Long Term Evolution (LTE)
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LTE is a mobile broadband technology specified in 3GPP release 8 that provides higher data rates of up to 300 Mbps downlink and 75 Mbps uplink. The high-level architecture of LTE includes user equipment (UE), the evolved-UTRAN radio access network, and the evolved packet core. LTE Advanced, specified in release 10, utilizes technologies like carrier aggregation to support peak rates of 1 Gbps downlink and 500 Mbps uplink. LTE Advanced in unlicensed spectrum as specified in release 13 aggregates unlicensed bands with licensed spectrum for a unified LTE network leveraging both types of spectrum.
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Long term evolution
The document summarizes Long Term Evolution (LTE) technology. It discusses the evolution of LTE from 3G networks and its key features like downlink speeds of 100Mbps. The technologies that LTE uses are described, including OFDMA for downlink and SC-FDMA for uplink. LTE architecture is explained as a flat all-IP architecture with E-UTRAN and EPC components. Future applications of LTE Advanced and 4G are also mentioned.
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LTE is a 4G wireless technology developed by 3GPP to provide high-speed data and media transport, as well as high-capacity voice support into the next decade. It combines OFDM and MIMO to significantly increase peak data rates while improving spectral efficiency and lowering costs. LTE aims to meet carrier needs through flexible scalable bandwidth, support for FDD and TDD spectrum, and simplified network architecture. It is designed to evolve GSM, WCDMA and CDMA networks towards an all-IP packet-switched system.
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The document provides an overview of 3GPP LTE (Long Term Evolution) technology. Key points include:
- LTE is designed to provide high-speed data and media transport with high-capacity voice support through the next decade.
- It enables high-performance mobile broadband services using high bitrates and system throughput in both uplink and downlink with low latency.
- The LTE infrastructure is designed to be simple to deploy and operate across flexible frequency bands from less than 5MHz to 20MHz.
- The LTE-SAE architecture reduces network nodes and supports flexible configurations for high service availability across multiple standards.
LTE (Long Term Evolution) Introduction
This slide for your understanding on LTE !
LTE, the wireless access protocol for 4G mobile network service, has evolved from GSM and WCDMA based on 3GPP!
The contents of this slide is below;
I. LTE Introduction
II. LTE Protocol Layer
III. SAE Architecture
IV. NAS(Non Access Stratum) Protocols
V. EPC Protocol Stacks
With my regards,
Guisun Han
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The first part of this presentation describes the LTE and later on it describes how LTE advanced different form LTE.
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LTE was developed to meet increasing demands for mobile data traffic by improving key metrics like latency, throughput, capacity and coverage compared to HSPA. It features flexible bandwidths up to 20MHz, simplified network architecture, advanced antenna techniques and OFDMA/SC-FDMA based access for downlink and uplink respectively. LTE supports peak rates of 300Mbps downlink and 75Mbps uplink depending on UE category and bandwidth. It adopts an all-IP flat architecture with simplified all-packet based transmission procedures.
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Long term evolution
The document summarizes Long Term Evolution (LTE) technology. It discusses the evolution of LTE from 3G networks and its key features like downlink speeds of 100Mbps. The technologies that LTE uses are described, including OFDMA for downlink and SC-FDMA for uplink. LTE architecture is explained as a flat all-IP architecture with E-UTRAN and EPC components. Future applications of LTE Advanced and 4G are also mentioned.
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LTE is a 4G wireless technology developed by 3GPP to provide high-speed data and media transport, as well as high-capacity voice support into the next decade. It combines OFDM and MIMO to significantly increase peak data rates while improving spectral efficiency and lowering costs. LTE aims to meet carrier needs through flexible scalable bandwidth, support for FDD and TDD spectrum, and simplified network architecture. It is designed to evolve GSM, WCDMA and CDMA networks towards an all-IP packet-switched system.
Lte basics
The document provides an overview of 3GPP LTE (Long Term Evolution) technology. Key points include:
- LTE is designed to provide high-speed data and media transport with high-capacity voice support through the next decade.
- It enables high-performance mobile broadband services using high bitrates and system throughput in both uplink and downlink with low latency.
- The LTE infrastructure is designed to be simple to deploy and operate across flexible frequency bands from less than 5MHz to 20MHz.
- The LTE-SAE architecture reduces network nodes and supports flexible configurations for high service availability across multiple standards.
LTE (Long Term Evolution) Introduction
This slide for your understanding on LTE !
LTE, the wireless access protocol for 4G mobile network service, has evolved from GSM and WCDMA based on 3GPP!
The contents of this slide is below;
I. LTE Introduction
II. LTE Protocol Layer
III. SAE Architecture
IV. NAS(Non Access Stratum) Protocols
V. EPC Protocol Stacks
With my regards,
Guisun Han
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The first part of this presentation describes the LTE and later on it describes how LTE advanced different form LTE.
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LTE was developed to meet increasing demands for mobile data traffic by improving key metrics like latency, throughput, capacity and coverage compared to HSPA. It features flexible bandwidths up to 20MHz, simplified network architecture, advanced antenna techniques and OFDMA/SC-FDMA based access for downlink and uplink respectively. LTE supports peak rates of 300Mbps downlink and 75Mbps uplink depending on UE category and bandwidth. It adopts an all-IP flat architecture with simplified all-packet based transmission procedures.
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LTE (Long Term Evolution) is a 4G wireless technology designed to support higher data speeds and capacities. It uses OFDMA for the downlink and SC-FDMA for the uplink. LTE supports MIMO to increase data rates through multiple antennas. The LTE network architecture consists of the eNodeB base stations, Mobility Management Entity (MME) for control plane functions, Serving Gateway (SGW) for user plane functions, and Packet Data Network Gateway (PGW) connecting to external networks. Voice can be supported in LTE through Circuit Switched Fallback (CSFB) to legacy networks or using Voice over LTE (VoLTE) with IP Multimedia Subsystem (IMS
3GPP – Long Term Evolution
3GPP – Long Term Evolution
Introduction to LTE
LTE Network Architecture
LTE Physical Layer
SC-FDMA
Channel Dependent Scheduling
Cognitive Radio for LTE RRM
Multiple antenna schemes in LTE
LTE-Advanced
Conclusion
Please like and Comments
Mr.Vishal Pawar
MITSOT
www.mitsot.com
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The document provides an overview of LTE (Long Term Evolution) technology. It discusses that LTE was standardized by 3GPP in 2008 to improve the performance and efficiency of wireless networks. Key aspects of LTE include the use of OFDMA for downlink and SC-FDMA for uplink, support for flexible bandwidths, and an evolved packet core network architecture. LTE aims to provide higher speeds, lower latency, and more efficient use of spectrum compared to previous 3G technologies.
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The document outlines the course content for a training on LTE Network and Radio Planning Design. The course will cover:
1. An introduction and overview of the LTE architecture and its evolution from previous 3GPP standards like GSM, UMTS, and LTE.
2. Details of the LTE radio interface and channels.
3. LTE link budgets and capacity planning principles.
4. CPE testing procedures.
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This document provides an overview of Long-Term Evolution (LTE) cellular technology. It describes LTE's network architecture including the E-UTRAN, Mobility Management Entity, Serving Gateway and Packet Data Network Gateway. It also discusses key LTE technologies such as OFDMA, SC-FDMA, MIMO and the evolution to LTE-Advanced with carrier aggregation and enhanced multi-antenna transmission techniques. Finally, it summarizes two research papers on power saving mechanisms in LTE networks and the potential for using LTE in vehicular networking applications.
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LTE is an emerging mobile network technology that offers faster data speeds and increased network capacity compared to 3G. It is being widely adopted internationally, with over 80 commercial LTE networks expected by the end of 2012. Early country adopters include Sweden, Norway, and South Korea. Mobile operators are investing heavily in LTE networks to handle rapidly growing mobile data traffic and meet consumer demand for bandwidth-intensive applications. LTE is available in different spectrum bands depending on the country and is projected to accelerate the growth of mobile broadband subscribers and data usage worldwide.
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This document discusses Long Term Evolution (LTE) and LTE Advanced technologies. It provides information on key features of LTE Advanced such as improved peak data rates up to 1 Gbps, increased spectrum efficiency up to 30 bps/Hz, and enhanced capabilities to support advanced applications and services. The document also discusses technologies enabling LTE Advanced like OFDMA and MIMO as well as differences between wireless generations and advantages/disadvantages of LTE networks.
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The document provides an overview of 4G LTE-Advanced technologies including carrier aggregation, coordinated multipoint operation, self-organizing networks, and inter-cell interference coordination. It discusses how carrier aggregation allows combining of multiple component carriers to increase channel bandwidth up to 100MHz. Coordinated multipoint operation helps improve cell edge performance through coordination between base stations. Self-organizing networks allow dynamic configuration and optimization of heterogeneous networks. Inter-cell interference coordination further improves performance through techniques like almost blank subframes.
Lte key technologies
The document discusses LTE key technologies including those from Release 9 and Release 10 of the 3GPP specifications. It describes the organizations involved in developing LTE standards and trials. The basic LTE technologies covered include OFDMA for downlink and SC-FDMA for uplink, frame structure, and peak throughput calculation methods. Key technologies added in Release 9 include enhanced dual-layer beamforming transmission to improve cell capacity and coverage using multiple layers. Release 10 features further expanded the use of multiple antennas and introduced carrier aggregation.
Main Differences between LTE & LTE-Advanced
LTE stands for Long Term Evolution.
In Nov. 2004, 3GPP began a project to define the long-term evolution (LTE) of Universal Mobile Telecommunications System (UMTS) cellular technology.
LTE systems have:
Higher performance
Backwards compatible
Wide application
Data Rate:
Instantaneous downlink peak data rate of 100Mbit/s in a 20MHz downlink spectrum (i.e. 5 bit/s/Hz)
Instantaneous uplink peak data rate of 50Mbit/s in a 20MHz uplink spectrum (i.e. 2.5 bit/s/Hz)
Cell range:
5 km - optimal size
30km sizes with reasonable performance
up to 100 km cell sizes supported with acceptable performance
Cell capacity:
up to 200 active users per cell(5 MHz) (i.e., 200 active data clients)
Mobility
Optimized for low mobility(0-15km/h) but supports high speed
Latency (delay)
user plane < 5ms
control plane < 50 ms
Improved broadcasting
IP-optimized
Scalable bandwidth of 20MHz, 15MHz, 10MHz, 5MHz and <5MHz
Co-existence with legacy standards (users can transparently start a call or transfer of data in an area using an LTE standard, and, when there is no coverage, continue the operation without any action on their part using GSM/GPRS or W-CDMA-based UMTS)
LTE Advanced is a mobile communication 4G standard approved by International Telecommunications Union (ITU) in Jan 2012.
LTE-Advanced (LTE-A) is an emerging and, as the name suggests, a more advanced set of standards and technologies that will be able to deliver bigger and speedier wireless-data payloads.
The most important thing to know is that LTE-A promises to deliver true 4G speeds, unlike current LTE networks. You can expect the real-world speed of LTE-A to be two to three times faster than today’s LTE.
To be considered true 4G (also known as “IMT-Advanced”), a mobile network must fulfill a number of benchmarks, including offering a peak data rate of at least 100 megabits per second (Mb/s) when a user moves through the network at high speeds, such as in a car or train, and 1 gigabit per second (Gb/s) when the user is in a fixed position.
The highest possible rates are never achieved in real world conditions. Actual rates will be variable, but we can expect LTE-A to be at least five times as fast as most LTE networks today, and that’s great news for video streaming.
LTE Advanced is supposed to provide higher capacity, an enhanced user experience, and greater fairness in terms of resource allocation.
It does this by combining a bunch of technologies, many of which have been around for some years, so we’re not really talking about the implementation of an entirely new system here.
LTE Advanced
Qualcomm is elevating its role as a market leader by bringing breakthrough concepts to LTE’s evolution. We believe that the next significant performance leap will come from heterogeneous networks, or HetNets, which bring the network closer to the user through low-power nodes such as pico and femto-cells. LTE Advanced uses adaptive interference management techniques to further improve the capacity and coverage of these HetNets. There by, ensuring fairness among users and an enhanced mobile experience, especially for those users at the cell edge. LTE Advanced also introduces multicarrier to leverage ultra wide bandwidths up to 100 MHz, supporting very high data rates.
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This document provides an overview of LTE and LTE-Advanced mobile communication standards. It discusses the history and development of LTE beginning in 2004. The benefits of LTE include higher bandwidth, data rates, and efficiency. The network architecture of LTE includes evolved Node Bs, serving gateways, packet data network gateways, and mobility management entities. Key technologies that enable LTE are OFDMA, MIMO, and SC-FDMA. LTE-Advanced was standardized in 2011 and first implemented commercially in 2012, providing further enhanced capabilities over LTE.
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The document provides an overview of 4G LTE and LTE-Advanced mobile communication technologies. It discusses key 4G enabling technologies like OFDM, OFDMA, SC-FDMA and MIMO that improve spectral efficiency and throughput. LTE aims to achieve peak rates of 100 Mbps downlink and 50 Mbps uplink within 20 MHz bandwidth. LTE-Advanced further enhances LTE by introducing carrier aggregation to support bandwidths up to 100 MHz, advanced MIMO techniques, and coordinated multipoint transmission. The evolution to 4G using these technologies has significantly improved wireless communication capabilities.
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This document provides an overview of 4G LTE technology. It discusses key LTE concepts such as OFDM and MIMO used in the downlink and uplink, as well as requirements for IMT-Advanced systems. It describes the 3GPP releases that specified LTE and LTE-Advanced standards and components of the LTE network architecture including the E-UTRAN, EPC, and interfaces between nodes. The document also provides explanations of OFDM, MIMO, SC-FDMA, and the LTE physical layer frame structure and resource grid. Special features introduced in LTE-Advanced like carrier aggregation and relaying are also summarized.
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The document discusses the evolution of 3G networks to LTE networks. It describes key technologies such as OFDMA, SC-FDMA, and MIMO that improve spectral efficiency and throughput. The LTE network architecture is presented, including elements such as the E-UTRAN, MME, serving gateway, PDN gateway, and HSS. The interfaces between these elements are also outlined.
LTE Advanced Overview
The document provides a summary of the history and evolution of internet and wireless broadband technology. It discusses the early concepts of computer networking starting in the 1960s, the development of ARPANET in the late 1960s, and the introduction of TCP/IP in the early 1970s which led to the modern internet. It then covers the emergence of dial-up internet access in the late 1970s and 1980s, and the evolution of cellular network technologies from 1G to 4G. Finally, it provides an overview of LTE and LTE-Advanced wireless broadband technologies and their capabilities.
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This document provides an overview of a documentary being created about World War 1 reenactments that take place in Huntingdon over two days each year. The documentary will include interviews with reenactors from different countries explaining their costumes and equipment, as well as shots of soldiers fighting in the arena and riding horses. The documentary aims to give audiences a sense of what the events and experiences of soldiers in World War 1 would have been like.
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LTE (Long Term Evolution) is a 4G wireless technology designed to support higher data speeds and capacities. It uses OFDMA for the downlink and SC-FDMA for the uplink. LTE supports MIMO to increase data rates through multiple antennas. The LTE network architecture consists of the eNodeB base stations, Mobility Management Entity (MME) for control plane functions, Serving Gateway (SGW) for user plane functions, and Packet Data Network Gateway (PGW) connecting to external networks. Voice can be supported in LTE through Circuit Switched Fallback (CSFB) to legacy networks or using Voice over LTE (VoLTE) with IP Multimedia Subsystem (IMS
3GPP – Long Term Evolution
3GPP – Long Term Evolution
Introduction to LTE
LTE Network Architecture
LTE Physical Layer
SC-FDMA
Channel Dependent Scheduling
Cognitive Radio for LTE RRM
Multiple antenna schemes in LTE
LTE-Advanced
Conclusion
Please like and Comments
Mr.Vishal Pawar
MITSOT
www.mitsot.com
www.kmallonline.com
http://telecommunicationsdemystified.blogspot.in/
http://marketingmythsdemystified.blogspot.in/
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The document provides an overview of LTE (Long Term Evolution) technology. It discusses that LTE was standardized by 3GPP in 2008 to improve the performance and efficiency of wireless networks. Key aspects of LTE include the use of OFDMA for downlink and SC-FDMA for uplink, support for flexible bandwidths, and an evolved packet core network architecture. LTE aims to provide higher speeds, lower latency, and more efficient use of spectrum compared to previous 3G technologies.
Lte
The document outlines the course content for a training on LTE Network and Radio Planning Design. The course will cover:
1. An introduction and overview of the LTE architecture and its evolution from previous 3GPP standards like GSM, UMTS, and LTE.
2. Details of the LTE radio interface and channels.
3. LTE link budgets and capacity planning principles.
4. CPE testing procedures.
Long Term Evolution (LTE)
This document provides an overview of Long-Term Evolution (LTE) cellular technology. It describes LTE's network architecture including the E-UTRAN, Mobility Management Entity, Serving Gateway and Packet Data Network Gateway. It also discusses key LTE technologies such as OFDMA, SC-FDMA, MIMO and the evolution to LTE-Advanced with carrier aggregation and enhanced multi-antenna transmission techniques. Finally, it summarizes two research papers on power saving mechanisms in LTE networks and the potential for using LTE in vehicular networking applications.
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4G LTE uses technologies like OFDMA, SC-FDMA and MIMO to provide peak download rates of 100 Mbps and upload rates of 50 Mbps, with low latency. It employs an all-IP packet switched network with scalable channel bandwidth between 5-20 MHz. The LTE network architecture consists solely of evolved NodeBs which simplify the design.
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LTE is an emerging mobile network technology that offers faster data speeds and increased network capacity compared to 3G. It is being widely adopted internationally, with over 80 commercial LTE networks expected by the end of 2012. Early country adopters include Sweden, Norway, and South Korea. Mobile operators are investing heavily in LTE networks to handle rapidly growing mobile data traffic and meet consumer demand for bandwidth-intensive applications. LTE is available in different spectrum bands depending on the country and is projected to accelerate the growth of mobile broadband subscribers and data usage worldwide.
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This document discusses Long Term Evolution (LTE) and LTE Advanced technologies. It provides information on key features of LTE Advanced such as improved peak data rates up to 1 Gbps, increased spectrum efficiency up to 30 bps/Hz, and enhanced capabilities to support advanced applications and services. The document also discusses technologies enabling LTE Advanced like OFDMA and MIMO as well as differences between wireless generations and advantages/disadvantages of LTE networks.
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The document provides an overview of 4G LTE-Advanced technologies including carrier aggregation, coordinated multipoint operation, self-organizing networks, and inter-cell interference coordination. It discusses how carrier aggregation allows combining of multiple component carriers to increase channel bandwidth up to 100MHz. Coordinated multipoint operation helps improve cell edge performance through coordination between base stations. Self-organizing networks allow dynamic configuration and optimization of heterogeneous networks. Inter-cell interference coordination further improves performance through techniques like almost blank subframes.
Lte key technologies
The document discusses LTE key technologies including those from Release 9 and Release 10 of the 3GPP specifications. It describes the organizations involved in developing LTE standards and trials. The basic LTE technologies covered include OFDMA for downlink and SC-FDMA for uplink, frame structure, and peak throughput calculation methods. Key technologies added in Release 9 include enhanced dual-layer beamforming transmission to improve cell capacity and coverage using multiple layers. Release 10 features further expanded the use of multiple antennas and introduced carrier aggregation.
Main Differences between LTE & LTE-Advanced
LTE stands for Long Term Evolution.
In Nov. 2004, 3GPP began a project to define the long-term evolution (LTE) of Universal Mobile Telecommunications System (UMTS) cellular technology.
LTE systems have:
Higher performance
Backwards compatible
Wide application
Data Rate:
Instantaneous downlink peak data rate of 100Mbit/s in a 20MHz downlink spectrum (i.e. 5 bit/s/Hz)
Instantaneous uplink peak data rate of 50Mbit/s in a 20MHz uplink spectrum (i.e. 2.5 bit/s/Hz)
Cell range:
5 km - optimal size
30km sizes with reasonable performance
up to 100 km cell sizes supported with acceptable performance
Cell capacity:
up to 200 active users per cell(5 MHz) (i.e., 200 active data clients)
Mobility
Optimized for low mobility(0-15km/h) but supports high speed
Latency (delay)
user plane < 5ms
control plane < 50 ms
Improved broadcasting
IP-optimized
Scalable bandwidth of 20MHz, 15MHz, 10MHz, 5MHz and <5MHz
Co-existence with legacy standards (users can transparently start a call or transfer of data in an area using an LTE standard, and, when there is no coverage, continue the operation without any action on their part using GSM/GPRS or W-CDMA-based UMTS)
LTE Advanced is a mobile communication 4G standard approved by International Telecommunications Union (ITU) in Jan 2012.
LTE-Advanced (LTE-A) is an emerging and, as the name suggests, a more advanced set of standards and technologies that will be able to deliver bigger and speedier wireless-data payloads.
The most important thing to know is that LTE-A promises to deliver true 4G speeds, unlike current LTE networks. You can expect the real-world speed of LTE-A to be two to three times faster than today’s LTE.
To be considered true 4G (also known as “IMT-Advanced”), a mobile network must fulfill a number of benchmarks, including offering a peak data rate of at least 100 megabits per second (Mb/s) when a user moves through the network at high speeds, such as in a car or train, and 1 gigabit per second (Gb/s) when the user is in a fixed position.
The highest possible rates are never achieved in real world conditions. Actual rates will be variable, but we can expect LTE-A to be at least five times as fast as most LTE networks today, and that’s great news for video streaming.
LTE Advanced is supposed to provide higher capacity, an enhanced user experience, and greater fairness in terms of resource allocation.
It does this by combining a bunch of technologies, many of which have been around for some years, so we’re not really talking about the implementation of an entirely new system here.
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Qualcomm is elevating its role as a market leader by bringing breakthrough concepts to LTE’s evolution. We believe that the next significant performance leap will come from heterogeneous networks, or HetNets, which bring the network closer to the user through low-power nodes such as pico and femto-cells. LTE Advanced uses adaptive interference management techniques to further improve the capacity and coverage of these HetNets. There by, ensuring fairness among users and an enhanced mobile experience, especially for those users at the cell edge. LTE Advanced also introduces multicarrier to leverage ultra wide bandwidths up to 100 MHz, supporting very high data rates.
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This tutorial has been designed for audiences with a need to understand the LTE technology basics in very simple terms. This tutorial will give you enough understanding on LTE technology from where you can take yourself at higher level of expertise.
Lte seminar- sudhir kumar
This document provides an overview of LTE and LTE-Advanced mobile communication standards. It discusses the history and development of LTE beginning in 2004. The benefits of LTE include higher bandwidth, data rates, and efficiency. The network architecture of LTE includes evolved Node Bs, serving gateways, packet data network gateways, and mobility management entities. Key technologies that enable LTE are OFDMA, MIMO, and SC-FDMA. LTE-Advanced was standardized in 2011 and first implemented commercially in 2012, providing further enhanced capabilities over LTE.
Lte presentation at und
The document provides an overview of 4G LTE and LTE-Advanced mobile communication technologies. It discusses key 4G enabling technologies like OFDM, OFDMA, SC-FDMA and MIMO that improve spectral efficiency and throughput. LTE aims to achieve peak rates of 100 Mbps downlink and 50 Mbps uplink within 20 MHz bandwidth. LTE-Advanced further enhances LTE by introducing carrier aggregation to support bandwidths up to 100 MHz, advanced MIMO techniques, and coordinated multipoint transmission. The evolution to 4G using these technologies has significantly improved wireless communication capabilities.
Introduction to LTE
This document provides an overview of 4G LTE technology. It discusses key LTE concepts such as OFDM and MIMO used in the downlink and uplink, as well as requirements for IMT-Advanced systems. It describes the 3GPP releases that specified LTE and LTE-Advanced standards and components of the LTE network architecture including the E-UTRAN, EPC, and interfaces between nodes. The document also provides explanations of OFDM, MIMO, SC-FDMA, and the LTE physical layer frame structure and resource grid. Special features introduced in LTE-Advanced like carrier aggregation and relaying are also summarized.
Lte basic
The document discusses the evolution of 3G networks to LTE networks. It describes key technologies such as OFDMA, SC-FDMA, and MIMO that improve spectral efficiency and throughput. The LTE network architecture is presented, including elements such as the E-UTRAN, MME, serving gateway, PDN gateway, and HSS. The interfaces between these elements are also outlined.
LTE Advanced Overview
The document provides a summary of the history and evolution of internet and wireless broadband technology. It discusses the early concepts of computer networking starting in the 1960s, the development of ARPANET in the late 1960s, and the introduction of TCP/IP in the early 1970s which led to the modern internet. It then covers the emergence of dial-up internet access in the late 1970s and 1980s, and the evolution of cellular network technologies from 1G to 4G. Finally, it provides an overview of LTE and LTE-Advanced wireless broadband technologies and their capabilities.
LTE - Long Term Evolution
The document provides an overview of LTE (Long Term Evolution) network architecture and transmission schemes. It describes the simplified LTE network elements including eNB, MME, S-GW and P-GW. It explains the downlink transmission scheme using OFDMA and reference signal structure. It also covers uplink transmission using SC-FDMA, control and data channels as well as frame structure in both FDD and TDD modes.
LTE Basic Principle
Follow us on
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https://www.youtube.com/channel/UCvtuWqRxx13ELILiQ5uInAQ
Telegram :Taiz Telecom
https://t.me/Taiz_TelecomDevelopment
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Mobile computing – module 6
LTE and LTE-Advanced are cellular communication standards that provide higher data speeds and improved network performance over previous standards. Key points:
- LTE was developed as an upgrade to 3G UMTS networks by 3GPP to support higher data rates and lower latency.
- The LTE architecture uses E-UTRAN base stations (eNodeBs) connected to an Evolved Packet Core (EPC) via an S1 interface.
- LTE-Advanced further improves LTE capabilities through carrier aggregation, advanced MIMO techniques, and support for relay nodes to enhance coverage.
LTE Basic Guide _ Structure_Layers_Protocol stacks_LTE control channels
LTE is a standard for wireless broadband communication that aims to provide faster data speeds and improved system capacity. It evolved from 3G UMTS standards developed by 3GPP. The main goals of LTE are to increase data rates, improve spectral efficiency, and reduce latency. LTE introduced new network architectures using IP-based backhaul between network nodes and evolved packet core (EPC) to support packet-switched traffic with seamless mobility and quality of service. Key aspects of LTE include support for flexible bandwidths up to 20 MHz, MIMO transmission, and both Frequency Division Duplex (FDD) and Time Division Duplex (TDD) modes.
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2. The LTE network architecture consists of the radio access network (E-UTRAN) and core network (EPC). E-UTRAN includes eNodeBs while EPC includes MME, SGW, PGW, and PCRF.
3. The radio interface protocol stack separates into control and user planes. It consists of layers like RRC, PDCP, RLC, MAC
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LTE describes standardization work by 3GPP to define a new high-speed radio access method for mobile communications systems. Key features of LTE include significantly higher data rates of up to 300 Mbps downlink and 75 Mbps uplink, lower latency, flexible spectrum usage, and an evolution to an all-IP core network. LTE will enable rich new mobile broadband services like high-quality video streaming and sharing, as well as applications in areas like machine-to-machine communication.
Launch a Successful LTE Footprints in Bangladesh
BIEL has successfully launched an LTE network in Bangladesh, becoming one of the first to deploy a large-scale WiMAX network in 2007. It now covers major areas of Dhaka with LTE. LTE uses improved radio interfaces and core networks compared to previous technologies to increase network capacity and speed. LTE can provide download speeds up to 100Mbps and upload speeds up to 50Mbps. BIEL complied with all requirements to obtain a license allowing them to provide LTE services in Bangladesh.
Introduction to 3GPP and LTE standardization
3GPP is an organization that develops protocols for mobile telecommunications standards. It established specifications for 3G based on 2G GSM and later developed 4G LTE standards. LTE uses OFDMA for downlink and SC-FDMA for uplink. The LTE network architecture aims to improve scalability by reducing network elements and locating radio protocols in base stations called eNodeBs. 3GPP continues to release new specifications to evolve LTE capabilities towards 5G standards.
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3rd Generation Partnership Project (3GPP)
The 3GPP unites seven telecommunications standard development organizations (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC), which is an umbrella for these standards organizations, that develop protocols for mobile telecommunication. The 3GPP organizes its work into three different streams: Radio Access Networks, Services and Systems Aspects, and Core Network and Terminals, which provide a complete system description for mobile telecommunications. It was established in December 1998 with the goal of developing a specification for a 3G mobile phone system based on the 2G GSM system, within the scope of the International Telecommunication Union's.LTE and LTE-A
The Long-Term Evolution (LTE) is an emerging technology, which is standardized by the 3GPP and evolving to meet the International Mobile Telecommunication Advanced (IMT-Advanced) requirements named as LTE-Advanced. The main goal of LTE is to provide a high data rate, low latency and packet optimized radio access technology supporting flexible bandwidth deployments. The network architecture of LTE has been designed with the goal to support packet-switched traffic with seamless mobility and great quality of service.
LTE is a standard for wireless broadband communication for mobile devices and data terminals. LTE is based on the GSM/EDGE and UMTS/HSPA technologies. LTE increases the capacity and speed of wireless mobile communication by using a different radio interface and other core network improvements. LTE uses different frequencies and bands in different countries. LTE is commonly marketed as 4G LTE & Advance 4G. LTE is also commonly known as 3.95G. LTE-Advanced or LTE-A is a major enhancement of the LTE standard. LTE-A uses several techniques and technologies (hardware and software) to meet higher network-performance standards. The technique of this standard which we are using in our work is following.
· Increased peak data rate for DL/UL
· Improved performance at cell edges.
· Carrier Aggregation (CA), the enhanced use of multi-antenna techniques.
· Support for Relay Nodes, LTE Femtocell and macro cell.
Based on the requirements and observations, the 3GPP has identified carrier aggregation (CA) as major feature for achieving improved data rate. It is a worth noting that BW aggregation basic concept has been used in 3G. Similarly, there are options in High Speed Packet Access (HSPA) evaluation to aggregate up to four carriers for downlinks, up to two carriers for uplink and have consider both the carriers contiguous. In release 8/9 of 3GPP LTE different carrier BW of 1.4, 3, 5, 10, 15 and 20 MHz being used that provide support for several deployment plus spectrum plans. Succeeding the desires of 100 MHz BW of system, Release 10 of 3GPP LTE has presented CA one of the foremost important structure of LTE-Advanced to balance the bandwidth a far 20 MHz. CA Release 10 described up to 100 MHz system bandwidth can.
396458128-LTE-Advanced.pdf
LTE was developed to overcome limitations in 3G networks like UMTS. It uses OFDM which divides the carrier bandwidth into multiple narrowband subcarriers to reduce multipath fading effects. LTE-Advanced was then created to meet 4G requirements like peak download rates of 1 Gbps by using wider bandwidths up to 20 MHz and carrier aggregation. It fulfills 3GPP and ITU requirements to be considered a true 4G mobile network technology.
A Novel Approach for Cell Selection and Synchronization in LTE-Advanced
Long Term Evolution (LTE) is the result of the standardization work done by the 3rd Generation Partnership Project (3GPP) to achieve a new high speed radio access in the mobile communications frame. Cell selection by a mobile UE is another issue in LTE. In particularly, an interesting challenge in the physical layer of LTE is how the mobile unit immediately after powering on, select a radio cell and locks on to it. More specifically, to understand how the mobile unit establishes the connection with the strongest cell station in surrounding region. To do this, the mobile unit has to overcome the challenges of estimating the channel to communicate with the cell site and frequency synchronization. To appropriately synchronize the mobile unit with the base station when multiple mobile unit are communicating with same receiver from various distances.
Lte advanced
LTE Advanced is an enhancement of the LTE mobile communication standard that aims to improve spectrum efficiency, flexibility, and throughput. Key features of LTE Advanced include support for wider bandwidths up to 100MHz, advanced MIMO technologies with up to 8 antenna ports, improved cell edge performance using Coordinated Multi-Point transmission, and integration of relay nodes to enhance coverage. LTE Advanced is designed to meet the ITU requirements for 4G networks by providing peak data rates of at least 1 Gbps for high mobility communication.
Long Term Evolution
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some slides are copied from other ppt presentation available on internet, all rights reserved to respective owners of slides and information.
From LTE to LTE-A
The document discusses eXplanoTech's technical training services for telecommunications technologies. It offers standard, customized, and bespoke courses. The standard courses cover topics such as LTE, LTE-A, 5G, and other wireless technologies. Customized courses allow clients to modify standard courses. Bespoke courses are entirely tailored to a client's specific needs and requirements.
C010341216
This document summarizes the physical layer frame structure used in 4G LTE and LTE-Advanced downlink transmissions. It describes how the LTE system toolbox in MATLAB can be used to generate physical signals and channels, and map them to resource elements in the time-frequency grid. Key aspects covered include the use of OFDM, resource block structure, and how synchronization signals, broadcast channels, control channels, and shared data channels are allocated in the frame. The document provides technical details on frame configurations and illustrates example resource grids for a subframe and radio frame.
Radio Link Analysis for 4G TD- LTE Technology at 2.3 GHz Frequency
The Long Term Evolution (LTE) is the latest step in an advancing series of mobile telecommunications systems.
In this paper, authors show interest on the link budgeting the information presented here will help readers understand how the budgeting will be done in LTE. This paper provides
dimensioning of LTE for particular city.
This will provides the number of cell count. Here we tell about a GUI MATLAB System for calculation of no. of resources required to provide services in particular area with optimum cost and better quality.
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LTE and Beyond discusses the evolution of mobile technology and the motivation, birth, and key aspects of LTE and LTE-Advanced. The document outlines the system architecture of LTE including E-UTRAN and EPC components. It describes LTE protocol stack and key aspects such as duplexing, access techniques, and link adaptation. The document also discusses NFV and SDN in LTE networks and the evolution of LTE-Advanced through technologies like carrier aggregation, MIMO, CoMP, and heterogeneous networks. It provides a comparison of LTE and LTE-A and looks ahead to the challenges of 5G networks.
LTE @ Yogyakarta, 19 December 2001
The document provides an overview of LTE (Long Term Evolution) network architecture and technology. It discusses the drivers for LTE including higher data rates and lower latency. It describes the evolution from 3G networks to LTE, which features a simplified all-IP architecture without circuit-switched elements. Key aspects of LTE include OFDMA modulation, support for bandwidths up to 20 MHz, and peak data rates of 100 Mbps downstream and 50 Mbps upstream.
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Long Term Evolution (LTE) is a new cellular technology that provides significantly faster data speeds of up to 150 Mbps downstream and 50 Mbps upstream. LTE uses an all-IP network and aims to support new applications requiring high data rates like video calling. The document provides an overview of the LTE protocol stack and how data packets move through it. It describes the different layers including the MAC, RLC, and PDCP layers and how packets are scheduled, transmitted, acknowledged and retransmitted in the downlink and uplink directions. Key aspects like quality of service, mobility management, power saving modes are also summarized.
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Long Term Evolution (LTE) is a cellular technology that provides significantly faster data speeds of up to 150 Mbps downstream and 50 Mbps upstream. This document provides an overview of the LTE protocol stack, tracing the path of a data packet through the layers from physical to medium access control to radio link control and packet data convergence protocol. Key aspects of LTE operation discussed include hybrid automatic repeat request for error correction, scheduling, quality of service controls, handovers between base stations, and power saving modes.
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TIME DIVISION MULTIPLEXING TECHNIQUE FOR COMMUNICATION SYSTEM
Time Division Multiplexing (TDM) is a method of transmitting multiple signals over a single communication channel by dividing the signal into many segments, each having a very short duration of time. These time slots are then allocated to different data streams, allowing multiple signals to share the same transmission medium efficiently. TDM is widely used in telecommunications and data communication systems.
### How TDM Works
1. **Time Slots Allocation**: The core principle of TDM is to assign distinct time slots to each signal. During each time slot, the respective signal is transmitted, and then the process repeats cyclically. For example, if there are four signals to be transmitted, the TDM cycle will divide time into four slots, each assigned to one signal.
2. **Synchronization**: Synchronization is crucial in TDM systems to ensure that the signals are correctly aligned with their respective time slots. Both the transmitter and receiver must be synchronized to avoid any overlap or loss of data. This synchronization is typically maintained by a clock signal that ensures time slots are accurately aligned.
3. **Frame Structure**: TDM data is organized into frames, where each frame consists of a set of time slots. Each frame is repeated at regular intervals, ensuring continuous transmission of data streams. The frame structure helps in managing the data streams and maintaining the synchronization between the transmitter and receiver.
4. **Multiplexer and Demultiplexer**: At the transmitting end, a multiplexer combines multiple input signals into a single composite signal by assigning each signal to a specific time slot. At the receiving end, a demultiplexer separates the composite signal back into individual signals based on their respective time slots.
### Types of TDM
1. **Synchronous TDM**: In synchronous TDM, time slots are pre-assigned to each signal, regardless of whether the signal has data to transmit or not. This can lead to inefficiencies if some time slots remain empty due to the absence of data.
2. **Asynchronous TDM (or Statistical TDM)**: Asynchronous TDM addresses the inefficiencies of synchronous TDM by allocating time slots dynamically based on the presence of data. Time slots are assigned only when there is data to transmit, which optimizes the use of the communication channel.
### Applications of TDM
- **Telecommunications**: TDM is extensively used in telecommunication systems, such as in T1 and E1 lines, where multiple telephone calls are transmitted over a single line by assigning each call to a specific time slot.
- **Digital Audio and Video Broadcasting**: TDM is used in broadcasting systems to transmit multiple audio or video streams over a single channel, ensuring efficient use of bandwidth.
- **Computer Networks**: TDM is used in network protocols and systems to manage the transmission of data from multiple sources over a single network medium.
### Advantages of TDM
- **Efficient Use of Bandwidth**: TDM all
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Long Term Evolution (LTE)
- 1. Submitted by Gautam Prakash
- 2. Next generation of mobile broadband technology. LTE was started as a project by telecommunication body as 3GPP in 2004. LTE is specified in release 8 of 3GPP. Next level after UMTS 3G technology. Data rates of 300 Mbps downlink and 75 Mbps Uplink. Introduction
- 3. Evolution of Mobile Cellular Network
- 4. Architecture The high level architecture of LTE comprises of three main Components: • UE ( User Equipment ) • E-UTRAN ( Evolved – UTMS Terrestrial Radio Access Network ) • EPC ( Evolved Packet Core ) continued…
- 5. UE (User Equipment) : Internal architecture is identical to that of UMTS (3G) and GSM (2G, 2.5G) Consists of Mobile Equipment (ME) Three main components of ME are: o Mobile Termination (MT) for handling all communication function. o Termination Equipment (TE) for terminating all data streams. o Universal Integrated Circuit Card (UICC) also known as U-SIM. Architecture (continued) continued…
- 6. E-UTRAN (Evolved – UTMS Terrestrial Radio Access Network) Architecture (continued) continued…
- 7. EPC (Evolved Packet Core) Architecture (continued)
- 8. • LTE-A is upgraded version of LTE technology • LTE-A is specified in release 10 of 3GPP. • Supports peak data rate of 1Gbps in downlink and 500 Mbps in uplink. • LTE-A utilizes higher number of antennas and added carrier aggregation. LTE Advanced
- 9. It is specified in Release 13 of 3GPP. Bringing LTE Advanced to unlicensed spectrum involves leveraging the large number of small cells that operators are planning to deploy and aggregating unlicensed spectrum with the licensed spectrum for LTE Advanced. Existing core network is used as it is. The whole system works as a unified LTE network to efficiently leverage both licensed and unlicensed spectrum bands. LTE Advanced – Unlicensed Spectrum
- 10. Benefits of LTE-A’s Unlicensed Spectrum • Unified LTE Network for licensed and Unlicensed spectrum. • Enhanced user experience : o Wider data pipe for better data rates through carrier aggregation. o Seamless user experience. • Better coverage and increased capacity
- 11. Conclusion Bringing LTE Advanced to unlicensed spectrum has profound benefits for both operators and end users. For operators, it provides a cost-effective, unified network for both licensed and unlicensed spectrum using the same For end users (customers or enterprise) it means an enhanced user experience—higher data rates through a wider data pipe. - Core network - Small cells will use both the spectrum bands - Authentication operations - Management systems
- 12. THANK YOU !!