This document provides a matrix of sales collateral for Skyway Software in 2006. It lists 18 documents including case studies, fact sheets, presentations, white papers, and more. The matrix describes whether each piece is uploaded to Salesforce.com (SFC), the intended audience, key marketing objectives, format, owner, and version number. The goal is to post all collateral to the documents tab in Salesforce using a standardized naming convention for easy access by prospects, partners, salespeople and others.
What is Path loss?
Indoor Propogation Models?
Multi-floor model?
Partition attenuation model?
Empirical path loss model?
ITU Model for Indoor Attenuation/ Wall and floor factor model?
FRIIS MODEL?
Log-distance path loss model?
The document discusses Shannon-Fano encoding, which is an early method for data compression that constructs efficient binary codes for information sources without memory. It works by assigning shorter codes to more frequent messages and longer codes to less frequent messages. The encoding process involves recursively splitting the set of messages in half based on probability until each message has its own unique code. While Shannon-Fano codes are reasonably efficient, they are not always optimal and the codes generated can depend on how the initial splitting of messages is done.
This document provides training materials on calculating wireless link budgets to determine the feasibility and optimal configuration of radio links. It defines key concepts like free space loss, link budget, antenna gain and Fresnel zone. An example link budget calculation is shown for a 5km link. It also introduces the Radio Mobile software tool, which can automatically simulate radio links and calculate the required Fresnel zone clearance by considering terrain profiles. The document concludes with an example of using Radio Mobile to analyze a potential link in Chuuk and poses questions about configuring the masts, transmit power and antennas.
The document discusses various propagation mechanisms that affect radio signals, including reflection, diffraction, scattering, and their effects on signal strength over distance. It also covers propagation models like free space path loss, two-ray ground reflection model, and log-distance path loss for estimating average received signal power at a given distance. Fresnel zones and knife-edge diffraction are explained as factors in signal propagation around obstructions. Log-normal shadowing is described as a statistical model to account for variations from the average path loss.
The document provides an overview of microwave and satellite technologies. Some key points:
- Microwaves were originally used for long-haul telecommunications but have been displaced by fiber optics except in some cases.
- Microwave signals can experience impairments like equipment failures, fading, and absorption from the atmosphere.
- Satellite communications involve earth stations transmitting to satellites (uplink) and satellites transmitting back to earth stations (downlink). Satellites can be in low earth orbit, medium earth orbit, or geostationary orbit.
Link Power Budget Calculation and Propagation Factors for Satellite COmmunica...THANDAIAH PRABU
- Antenna Pointing Loss
- Free Space Loss
- Atmospheric Loss
(gaseous, clouds, rain)
- Rx Antenna Pointing Loss
Reception:
+ Antenna gain
- Reception Losses
(cables & connectors)
- Noise Temperature
Contribution
Rx
Pr
1) The document discusses various propagation factors that affect radio wave transmission in satellite systems including atmospheric absorption, attenuation, and traveling ionospheric disturbances.
2) It provides details on calculating a link power budget including defining equivalent isotropic radiated power (EIRP), transmitter power, antenna gains, losses from free space path, the atmosphere, and other sources.
This document provides a matrix of sales collateral for Skyway Software in 2006. It lists 18 documents including case studies, fact sheets, presentations, white papers, and more. The matrix describes whether each piece is uploaded to Salesforce.com (SFC), the intended audience, key marketing objectives, format, owner, and version number. The goal is to post all collateral to the documents tab in Salesforce using a standardized naming convention for easy access by prospects, partners, salespeople and others.
What is Path loss?
Indoor Propogation Models?
Multi-floor model?
Partition attenuation model?
Empirical path loss model?
ITU Model for Indoor Attenuation/ Wall and floor factor model?
FRIIS MODEL?
Log-distance path loss model?
The document discusses Shannon-Fano encoding, which is an early method for data compression that constructs efficient binary codes for information sources without memory. It works by assigning shorter codes to more frequent messages and longer codes to less frequent messages. The encoding process involves recursively splitting the set of messages in half based on probability until each message has its own unique code. While Shannon-Fano codes are reasonably efficient, they are not always optimal and the codes generated can depend on how the initial splitting of messages is done.
This document provides training materials on calculating wireless link budgets to determine the feasibility and optimal configuration of radio links. It defines key concepts like free space loss, link budget, antenna gain and Fresnel zone. An example link budget calculation is shown for a 5km link. It also introduces the Radio Mobile software tool, which can automatically simulate radio links and calculate the required Fresnel zone clearance by considering terrain profiles. The document concludes with an example of using Radio Mobile to analyze a potential link in Chuuk and poses questions about configuring the masts, transmit power and antennas.
The document discusses various propagation mechanisms that affect radio signals, including reflection, diffraction, scattering, and their effects on signal strength over distance. It also covers propagation models like free space path loss, two-ray ground reflection model, and log-distance path loss for estimating average received signal power at a given distance. Fresnel zones and knife-edge diffraction are explained as factors in signal propagation around obstructions. Log-normal shadowing is described as a statistical model to account for variations from the average path loss.
The document provides an overview of microwave and satellite technologies. Some key points:
- Microwaves were originally used for long-haul telecommunications but have been displaced by fiber optics except in some cases.
- Microwave signals can experience impairments like equipment failures, fading, and absorption from the atmosphere.
- Satellite communications involve earth stations transmitting to satellites (uplink) and satellites transmitting back to earth stations (downlink). Satellites can be in low earth orbit, medium earth orbit, or geostationary orbit.
Link Power Budget Calculation and Propagation Factors for Satellite COmmunica...THANDAIAH PRABU
- Antenna Pointing Loss
- Free Space Loss
- Atmospheric Loss
(gaseous, clouds, rain)
- Rx Antenna Pointing Loss
Reception:
+ Antenna gain
- Reception Losses
(cables & connectors)
- Noise Temperature
Contribution
Rx
Pr
1) The document discusses various propagation factors that affect radio wave transmission in satellite systems including atmospheric absorption, attenuation, and traveling ionospheric disturbances.
2) It provides details on calculating a link power budget including defining equivalent isotropic radiated power (EIRP), transmitter power, antenna gains, losses from free space path, the atmosphere, and other sources.
The document provides instructions for configuring three Ubiquiti EdgeRouter devices (R1, R2, R3) with OSPF routing. It describes setting the IP addresses and OSPF parameters for each router, including their router IDs, networks, and areas. It confirms the OSPF configuration is working by showing R1 has learned the route to network 10.0.60.0/24 through R2 and can ping and trace route to R3 on that network. It also lists some common OSPF commands for viewing routes, neighbors, and interface information.
MTCNA Training outline, Certified Network Associate (MTCNA)Tũi Wichets
This document outlines the training objectives, structure, and modules of a 4-day MikroTik Certified Network Associate (MTCNA) course. The course introduces students to RouterOS software and RouterBoard hardware, and teaches them how to configure a MikroTik router, provide basic network services, and perform basic troubleshooting. It is aimed at network engineers and technicians and assumes knowledge of TCP/IP and subnetting. The course consists of 8 modules covering topics like routing, bridging, wireless networking, firewalls, and VPN tunnels, with each module concluding with hands-on labs to reinforce the material.
MTCWE Training outline, Course prerequisites – MTCNA certificateTũi Wichets
This document outlines a training course on MikroTik wireless technologies. It covers topics such as wireless installations, standards, tools, troubleshooting, advanced settings, 802.11n, security, WDS, mesh, bridging, and the Nstreme and Nv2 protocols. Each topic includes objectives and hands-on labs for skills application. The course requires an MTCNA certificate as a prerequisite.
MTCRE Training outline, Course prerequisites – MTCNA certificateTũi Wichets
This document outlines a training course on MTCRE that covers topics such as static routing, point-to-point addressing, VPNs, VLANs, and OSPF. Static routing covers more specific routes, ECMP, forcing gateways, and route policies. VPN topics include the different types of VPNs and site-to-site connectivity using tunnels. VLAN sessions cover VLAN usage and QinQ implementation. The OSPF section delves into how the protocol works, its network structure, neighbor states, route distribution, interface configuration, SPT calculation, multicast, area types, virtual links and routing filters.
MTCINE training outline, Course prerequisites – MTCNA and MTCRE certificatesTũi Wichets
This training outline covers BGP, MPLS, and Traffic Engineering topics. It includes labs for each section to provide hands-on experience. The BGP section will cover the path vector algorithm, different BGP configurations, route selection, and attributes. MPLS concepts like label distribution, VPLS tunnels, and fragmentation will be examined. Finally, traffic engineering principles like CSPF and bandwidth allocation will be demonstrated in labs.
The document provides instructions for setting up web blocking on an OpenWRT router using DNS redirection or host files. It involves:
1) Connecting via SSH and editing the /etc/persistent/rc.poststart file to add redirection commands
2) Editing the firewall and DNSmasq configuration files to redirect DNS requests to the local router for blocking at the DNS level
3) Rebooting the router to apply the changes and then testing blocked domains.
Windows Server 2012 R2 products & editions comparisonTũi Wichets
This document compares editions of Windows Server 2012 R2 and related products. It lists features such as maximum users, RAM, server roles, and features for editions including Windows Server 2012 R2 Datacenter, Standard, Essentials, Foundation, Hyper-V Server 2012 R2, and Windows Storage Server 2012 R2 Standard and Workgroup. Key differences between editions are related to licensing limits, supported server roles and features, and virtualization capabilities.
Settings MikroTik Router and Access Point to schedule AP radio on off via scriptTũi Wichets
ตัวอย่าง การใช้ MikroTik Script ปิด-เปิด สัญญาณ AP เป็นเวลา เปิดปิดเน็ตเป็นเวลา (Settings MikroTik Router or Access Point to schedule AP radio on off via script)
The document provides guidelines for optimizing the configuration of an airFiber AF24 wireless platform. It recommends using Frequency Division Duplexing (FDD) for maximum speed and lowest latency, as well as for line-of-sight installations free of reflections. Time Division Duplexing (TDD) is recommended for installations in environments with scattering, heavy rain, or foliage, as it provides higher robustness at the cost of reduced throughput and slightly higher latency. The document also provides tips on establishing an initial link and fine-tuning the alignment between the master and slave units.
How to link public addresses (real ip) to private ip or lan ipTũi Wichets
The document provides instructions for configuring Network Address Translation (NAT) on a router to link private IP addresses on a local area network to public IP addresses. It describes adding two public IP addresses and a private address to the router's interfaces, setting a default route specifying one public address, creating a destination NAT rule to access an internal server via a public address, and source NAT rules to translate the internal server's address and other hosts' addresses to the public addresses.
FAQ - Rogue AP - What is Rogue Access Point?Tũi Wichets
Rogue access points pose a security threat to enterprise networks by providing unauthorized wireless access to the wired network. Traditional defenses like firewalls and encryption are ineffective against rogue APs. A wireless intrusion prevention system uses sensors and wireless/wired connectivity testing to automatically detect, classify, locate, and block rogue APs on the network. Accurately testing an AP's connectivity to the enterprise network is key to reliable rogue AP protection.
เอกสาร แนวทาง การอินติเกรท Mac OS X เข้ากับ ระบบ Active Directory อย่างไร Bes...Tũi Wichets
เอกสาร แนวทาง การเชื่อมโยง Mac OS X เข้ากับระบบ Active Directory อย่างไร
Best Practices How to Integrating Mac OS X with Active Directory Technical White Paper
Windows server 2012 r2 Hyper-v Component architecture Tũi Wichets
Windows server 2012 r2 Hyper-V Component Architecture
แผนภาพโปสเตอร์ของส่วนประกอบทางสถาปัตยกรรมของระบบ
ใน Windows Server 2012 R2
แผนภาพ โปสเตอร์ ขนาดใหญ่ 48 X 24 นิ้ว
This document summarizes key aspects of 802.11ac including:
- 802.11ac aims to support wireless speeds over 1Gbps for multi-station throughput and 500Mbps for single links.
- It utilizes wider 80/160MHz channels, more spatial streams up to 8, 256-QAM, and downlink multi-user MIMO.
- These new features and techniques are aimed at supporting bandwidth-intensive applications like wireless display and distribution of high-definition video content.
ค่า Tx Power Mode ใน Ubiquiti และ Mikrotik (RF Tx Power Mode Settings)Tũi Wichets
1) The document investigates the power settings of Ubiquiti radio cards when used with Mikrotik software. It finds that using Mikrotik's power override setting can cause throughput degradation, compliance issues, and reliability problems.
2) Testing showed that the default power settings produced the best results in terms of throughput and output power. Increasing power above specifications slowed throughput and caused other issues.
3) The document concludes that the default power settings should always be used, and provides information on power offsets and Mikrotik's implementation for different Ubiquiti card models.
SwOS is an operating system designed specifically for administration of MikroTik Switch products that use Switch OS (SwOS) for RB250GS and now RB260GS with SFP Port for extend the network to up to 20KM ans support VLAN and VLAN Trunk on Gigabit Ethernet.
The document provides instructions for configuring three Ubiquiti EdgeRouter devices (R1, R2, R3) with OSPF routing. It describes setting the IP addresses and OSPF parameters for each router, including their router IDs, networks, and areas. It confirms the OSPF configuration is working by showing R1 has learned the route to network 10.0.60.0/24 through R2 and can ping and trace route to R3 on that network. It also lists some common OSPF commands for viewing routes, neighbors, and interface information.
MTCNA Training outline, Certified Network Associate (MTCNA)Tũi Wichets
This document outlines the training objectives, structure, and modules of a 4-day MikroTik Certified Network Associate (MTCNA) course. The course introduces students to RouterOS software and RouterBoard hardware, and teaches them how to configure a MikroTik router, provide basic network services, and perform basic troubleshooting. It is aimed at network engineers and technicians and assumes knowledge of TCP/IP and subnetting. The course consists of 8 modules covering topics like routing, bridging, wireless networking, firewalls, and VPN tunnels, with each module concluding with hands-on labs to reinforce the material.
MTCWE Training outline, Course prerequisites – MTCNA certificateTũi Wichets
This document outlines a training course on MikroTik wireless technologies. It covers topics such as wireless installations, standards, tools, troubleshooting, advanced settings, 802.11n, security, WDS, mesh, bridging, and the Nstreme and Nv2 protocols. Each topic includes objectives and hands-on labs for skills application. The course requires an MTCNA certificate as a prerequisite.
MTCRE Training outline, Course prerequisites – MTCNA certificateTũi Wichets
This document outlines a training course on MTCRE that covers topics such as static routing, point-to-point addressing, VPNs, VLANs, and OSPF. Static routing covers more specific routes, ECMP, forcing gateways, and route policies. VPN topics include the different types of VPNs and site-to-site connectivity using tunnels. VLAN sessions cover VLAN usage and QinQ implementation. The OSPF section delves into how the protocol works, its network structure, neighbor states, route distribution, interface configuration, SPT calculation, multicast, area types, virtual links and routing filters.
MTCINE training outline, Course prerequisites – MTCNA and MTCRE certificatesTũi Wichets
This training outline covers BGP, MPLS, and Traffic Engineering topics. It includes labs for each section to provide hands-on experience. The BGP section will cover the path vector algorithm, different BGP configurations, route selection, and attributes. MPLS concepts like label distribution, VPLS tunnels, and fragmentation will be examined. Finally, traffic engineering principles like CSPF and bandwidth allocation will be demonstrated in labs.
The document provides instructions for setting up web blocking on an OpenWRT router using DNS redirection or host files. It involves:
1) Connecting via SSH and editing the /etc/persistent/rc.poststart file to add redirection commands
2) Editing the firewall and DNSmasq configuration files to redirect DNS requests to the local router for blocking at the DNS level
3) Rebooting the router to apply the changes and then testing blocked domains.
Windows Server 2012 R2 products & editions comparisonTũi Wichets
This document compares editions of Windows Server 2012 R2 and related products. It lists features such as maximum users, RAM, server roles, and features for editions including Windows Server 2012 R2 Datacenter, Standard, Essentials, Foundation, Hyper-V Server 2012 R2, and Windows Storage Server 2012 R2 Standard and Workgroup. Key differences between editions are related to licensing limits, supported server roles and features, and virtualization capabilities.
Settings MikroTik Router and Access Point to schedule AP radio on off via scriptTũi Wichets
ตัวอย่าง การใช้ MikroTik Script ปิด-เปิด สัญญาณ AP เป็นเวลา เปิดปิดเน็ตเป็นเวลา (Settings MikroTik Router or Access Point to schedule AP radio on off via script)
The document provides guidelines for optimizing the configuration of an airFiber AF24 wireless platform. It recommends using Frequency Division Duplexing (FDD) for maximum speed and lowest latency, as well as for line-of-sight installations free of reflections. Time Division Duplexing (TDD) is recommended for installations in environments with scattering, heavy rain, or foliage, as it provides higher robustness at the cost of reduced throughput and slightly higher latency. The document also provides tips on establishing an initial link and fine-tuning the alignment between the master and slave units.
How to link public addresses (real ip) to private ip or lan ipTũi Wichets
The document provides instructions for configuring Network Address Translation (NAT) on a router to link private IP addresses on a local area network to public IP addresses. It describes adding two public IP addresses and a private address to the router's interfaces, setting a default route specifying one public address, creating a destination NAT rule to access an internal server via a public address, and source NAT rules to translate the internal server's address and other hosts' addresses to the public addresses.
FAQ - Rogue AP - What is Rogue Access Point?Tũi Wichets
Rogue access points pose a security threat to enterprise networks by providing unauthorized wireless access to the wired network. Traditional defenses like firewalls and encryption are ineffective against rogue APs. A wireless intrusion prevention system uses sensors and wireless/wired connectivity testing to automatically detect, classify, locate, and block rogue APs on the network. Accurately testing an AP's connectivity to the enterprise network is key to reliable rogue AP protection.
เอกสาร แนวทาง การอินติเกรท Mac OS X เข้ากับ ระบบ Active Directory อย่างไร Bes...Tũi Wichets
เอกสาร แนวทาง การเชื่อมโยง Mac OS X เข้ากับระบบ Active Directory อย่างไร
Best Practices How to Integrating Mac OS X with Active Directory Technical White Paper
Windows server 2012 r2 Hyper-v Component architecture Tũi Wichets
Windows server 2012 r2 Hyper-V Component Architecture
แผนภาพโปสเตอร์ของส่วนประกอบทางสถาปัตยกรรมของระบบ
ใน Windows Server 2012 R2
แผนภาพ โปสเตอร์ ขนาดใหญ่ 48 X 24 นิ้ว
This document summarizes key aspects of 802.11ac including:
- 802.11ac aims to support wireless speeds over 1Gbps for multi-station throughput and 500Mbps for single links.
- It utilizes wider 80/160MHz channels, more spatial streams up to 8, 256-QAM, and downlink multi-user MIMO.
- These new features and techniques are aimed at supporting bandwidth-intensive applications like wireless display and distribution of high-definition video content.
ค่า Tx Power Mode ใน Ubiquiti และ Mikrotik (RF Tx Power Mode Settings)Tũi Wichets
1) The document investigates the power settings of Ubiquiti radio cards when used with Mikrotik software. It finds that using Mikrotik's power override setting can cause throughput degradation, compliance issues, and reliability problems.
2) Testing showed that the default power settings produced the best results in terms of throughput and output power. Increasing power above specifications slowed throughput and caused other issues.
3) The document concludes that the default power settings should always be used, and provides information on power offsets and Mikrotik's implementation for different Ubiquiti card models.
SwOS is an operating system designed specifically for administration of MikroTik Switch products that use Switch OS (SwOS) for RB250GS and now RB260GS with SFP Port for extend the network to up to 20KM ans support VLAN and VLAN Trunk on Gigabit Ethernet.