Wimax
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The document discusses WiMax (Worldwide Interoperability for Microwave Access), which is a wireless broadband technology defined by the IEEE 802.16 standard. It can deliver broadband speeds up to 75 Mbps within a range of 50 kilometers. The standard supports point-to-multipoint and mesh networks. WiMax operates in several frequency bands between 2-66 GHz and provides non-line-of-sight connectivity. It is used for broadband internet access, VoIP, IPTV, and cellular networks.
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WDSL using WiMAX is the topic and WiMAX is the new upcoming wireless technology the file contains history of wireless systems dsl wifi and wimax
WI-FI and Wi Max
Wi-Fi and WiMAX are wireless networking technologies. Wi-Fi uses radio waves to connect devices in local areas like homes and offices, while WiMAX can connect devices over longer distances of up to 30 miles, making it suitable for connecting entire cities. Both technologies transmit data using radio signals in specific frequency ranges and support various transmission speeds and encryption standards. Wi-Fi devices connect directly to a local wireless router or access point, while WiMAX uses wireless towers similar to cellular networks to connect multiple users over wider areas.
Wireless home networks (11)
A home wireless network allows multiple digital devices in a home, like computers, laptops, tablets, phones, and printers, to connect and communicate with each other over Wi-Fi. A wireless router broadcasts the Wi-Fi signal, which devices can detect and connect to wirelessly using built-in Wi-Fi adapters or external USB adapters. Common wireless network standards are 802.11b providing speeds up to 11 Mbps and 802.11g providing speeds up to 54 Mbps. The router's firewall, network address translation, and ability to share a single internet connection allow multiple devices on the home network to securely access the internet simultaneously.
Wireless LAN Technoloy
The document discusses wireless local area networks (WLANs) and the IEEE 802.11 standard. It introduces various WLAN standards including 802.11b operating at 11 Mbps in the 2.4 GHz band, 802.11a operating at up to 54 Mbps in the 5 GHz band, and 802.11g which also operates at up to 54 Mbps in the 2.4 GHz band. It describes the differences between infrastructure-based WLAN networks that use an access point and ad-hoc networks without an access point. It provides details on the IEEE 802.11 standard including the use of carrier sense multiple access with collision avoidance for medium access. It also discusses some enhancements to
Very nice Wireless-lan-wlan-selected-topics-selected-topics-introduction-wlan...
The document discusses wireless local area networks (WLANs) and the IEEE 802.11 standard. It introduces various WLAN standards including 802.11b, 802.11a, and 802.11g. It describes key aspects of WLANs such as infrastructure-based networks with access points versus ad-hoc networks, and comparisons between infrared and radio transmission. It provides details on the IEEE 802.11 standard including the components, basic service set, extended service set, and protocol architecture with integration to the physical and higher layers.
Presentation of-wimax
WiMAX is a wireless technology that provides broadband internet access over long distances. It uses radio waves to transmit data and can provide connectivity up to 30 miles from a base station. WiMAX uses the IEEE 802.16 standard and consists of components like the base station, receiver, and antennas. It establishes connections like cellular networks but provides faster speeds than WiFi for connecting larger areas.
Eworld Wireless Broadband
eWorld is a nationwide wireless broadband provider that has been operating successfully since 2001. They provide reliable, secure connectivity through a digital network based on standardized technologies and redundant power sources. Their network supports various wireless standards including 802.11, 802.11a, 802.11b, and 802.11g to provide point-to-point and point-to-multipoint broadband solutions in licensed frequency bands. They plan future expansions including DSL, WiMax, and business messaging services.
Wireless%20networking%20technology(1)
Wireless networking technology uses wireless stations like computers or devices with radios to transmit and receive data without wires. There are two main types of wireless networks: infrastructure networks with an access point that devices connect to and ad-hoc peer-to-peer networks without an access point where devices connect directly. Wireless networks use radio frequencies and transmission methods like frequency hopping spread spectrum or direct sequence spread spectrum to transmit data over the air. Newer standards are developing technologies like MIMO that use multiple antennas to improve wireless network performance and speeds.
8. Wireless (1).ppt
The document discusses various wireless networking technologies and standards. It provides details on:
- Types of wireless technologies including Wi-Fi, Bluetooth, RFID, WiMax.
- Wireless networking standards set by IEEE including 802.11, 802.11a, 802.11b, 802.11g, 802.11n and 802.11ac.
- Components of wireless networks such as routers, gateways, antennas, and security methods like WEP, WPA, WPA2.
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Very nice Wireless-lan-wlan-selected-topics-selected-topics-introduction-wlan...
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Wimax
- 2. IEEE 802.15 - Bluetooth WAN MAN LAN PAN ETSI HiperPAN IEEE 802.11 - WirelessLAN ETSI HiperLAN IEEE 802.16 - WirelessMAN ETSI HiperMAN & HIPERACCESS IEEE 802.20 (proposed) 3GPP, EDGE (GSM) IEEE 802.15 - Bluetooth WAN MAN LAN PAN ETSI HiperPAN IEEE 802.11 - WirelessLAN ETSI HiperLAN IEEE 802.16 - WirelessMAN ETSI HiperMAN & HIPERACCESS IEEE 802.20 (proposed) 3GPP, EDGE (GSM)
- 3. Wireless PANs (Bluetooth – IEEE 802.15) very low range. wireless connection to printers etc… Wireless LANs (Wi-Fi – IEEE 802.11) Infrastructure as well as ad-hoc networks possible home/office networking. Wireless MANs (WiMAX-802.16) Similar to cellular networks traditional base station infrastructure system.
- 5. wi-Max wi-Max Architecture wi-Max Range IEEE 802.16 standards Wi-Max spectrum Bands Some Wireless Standards Usage Areas Conclusion
- 6. Wi-Max (Worldwide Interoperability for Microwave Access) is a wireless broadband technology. Which supports point to multi-point (PMP) broadband wireless access. Wi-Max is basically a new shorthand term for IEEE Standard 802.16 .
- 8. The IEEE wireless standard has a range of up to 50 kilometers. Can deliver broadband at around 75 megabits per second.
- 9. 802.16.1 (10-66 GHz, line-of-sight, up to 134Mbit/s) 802.16.2(minimizing interference between coexisting WMANs) 802.16a (2-11 Ghz, Mesh, non-line-of-sight) 802.16b (5-6 Ghz) 802.16c (detailed system profiles) P802.16e (Mobile Wireless MAN)
- 10. The 802.16, Wi-Max standard was published in March 2002 and provided updated information on the Metropolitan Area Network (MAN) technology. The extension given in the March publication, extended the line-of-sight fixed wireless MAN standard, focused solely on a spectrum from 10 GHz to 60+ GHz.
- 11. This extension provides for non-line of sight access in low frequency bands like 2 - 11 GHz. These bands are sometimes unlicensed. This also boosts the maximum distance from 31 to 50 miles and supports PMP (point to multipoint) and mesh technologies
- 12. Bluetooth DECT (Digital Enhanced Cordless Telecommunications) DSRC (Dedicated Short Range Communications) HIPERLAN HIPERMAN IEEE 802.11 IrDA RFID (Radio Frequency Identification) WiFi WiMAX xMax ZigBee
- 13. Connection oriented Connection ID (CID), Service Flows Channel access: decided by BS UL-MAP Defines uplink channel access Defines uplink data burst profiles DL-MAP Defines downlink data burst profiles UL-MAP and DL-MAP are both transmitted in the beginning of each downlink subframe.
- 14. A Regular Wi-fi Uses Contention access Which means competing for AP. Wi-max uses scheduling MAC Much Better for QOS required services EX: VOIP , IPTV. Mesh Networking Subscriber station and Base station at same time. OFDMA
- 15. Originally Working 10 to 66 GHz FDD or TDD. Now supporting 2 to 11 GHz with 802.11a OFDMA with TDMA access.
- 16. Broadband Internet Access. VoIP , IPTV services. Cellular Phones.
- 17. Framework for the evolution of wireless broadband. Everything will be coordinated with Wi-Max. Standard for Wi-MAX mobile solution not finalized yet. Test network in Skelleftea shows promising results. According to analysts Wi-MAX will take significant market shares.