香港科技大学：Advanced Topics in Next￾Generation Wireless Networks

Advanced topics in Next- Generation wireless Networks Introduction of wireless networks Qian Zhang Department of Computer Science HKUST

Advanced Topics in Next￾Generation Wireless Networks Qian Zhang Department of Computer Science HKUST Introduction of Wireless Networks

Why Wireless? Convenience and flexible anytime · Mobility Coverage anywhere · Easy to deploy Low cost any device New applications potential Improved quality of life(people with service disabilities) 4A: Anytime, Anywhere, Any device, and Any service

Why Wireless? • Convenience and flexible • Mobility • Coverage • Easy to deploy • Low cost • New applications potential • Improved quality of life (people with disabilities) anytime anywhere any device service 4A: Anytime, Anywhere, Any device, and Any service

Fast Growing devices Create New Connectivity Demands

Fast Growing Devices Create New Connectivity Demands

Wireless technologies coverage Bluetooth WWAN (3G, 4G?) UWB RFID WMAN Wi-Max) WLAN (Wi-Fi) WPAN

Wireless Technologies WWAN (3G,4G?) WLAN (Wi-Fi) WPAN WMAN (Wi-Max) Bluetooth UWB RFID coverage

Big picture- WPAN's Wpan technologies RFiD, bluetooth, UWB RFID used in tagging applications restricted environments(supermarkets institutions) 10 billion RFid tags been sold by the end of 2005 (source: Deloitte Touche) Bluetooth technology has matured 56 of mainstream devices commercialised will have bluetooth support by 2008(Source: IDC UWB: bandwidth larger than 500MHZ Two main camp: DS-UWB (Motolora)vs. MBOA OFDM UWB(Intel+TI)

Big Picture – WPAN’s • WPAN technologies – RFID, Bluetooth, UWB • RFID used in tagging applications, restricted environments (supermarkets, institutions) • 10 billion RFID tags been sold by the end of 2005 (source: Deloitte & Touche) • Bluetooth – technology has matured • 56% of mainstream devices commercialised will have Bluetooth support by 2008 (Source: IDC) • UWB: bandwidth larger than 500MHz • Two main camp: DS-UWB (Motolora) vs. MBOA￾OFDM UWB (Intel+TI)

Ultra Wide Band(uwb) PVRs STBS CE Mobile T Cluster Cluster Cordless Rs tablets Phones camcorders laptops 3G MP3 Handsets Games audio cameras pocketPC Projector systems PDA speakers, storage devices PC printers Cluster Scanners

laptops Mobile Cluster cameras pocketPC CE Cluster HDTV STBs VCRs PVRs audio systems tablets printers speakers MP3 PDA PC Cluster camcorders Console Games Cordless Phones 3G Handsets storage devices Scanners Projector Ultra WideBand (UWB)

WLAN (WiFi-802. 11x) chgaiuedrbents 802.11k 802.11a 802.11e Radio roule 5 GHz 54 Mbps Quality of Service 10eabpamebbve MAC) 1999 2001 2003 2005 2007 802.11b 80211802i 2.4 GHz 盘GH把 ed Security 11 Mbps 54 Mbps

WLAN (WiFi-802.11x) 802.11n 100 Mbps (above MAC) 802.11a 802.11b 802.11g 54 Mbps 5 GHz 11 Mbps 2.4 GHz 54 Mbps 2.4 GHz 802.11e Quality of Service 1999 2001 2003 2005 2007 802.11i Enhanced Security 802.11k Radio Resource Measurement ◼ Physical Layer Enhancements

Big picture-WMAN's WiMax Worldwide Interoperability for Microwave Access) Standard chipset availability 2004 2005 2006 2007 2008 Approved 07/04 IEEE 802. 16d Approval 05/05 Corrigenda(TGh WiMAX 1st certificate 07/05 Air/ F Fixed BWA O Chipset for Indoor-outdoor CPE EEE802,169 Approval 07/05 Approval 05/06 Corrigenda(TGh) AM∥Ped Possible delay Mobile BWA Chipset for PCMCIA No handover Chipset for Centrino Handset Intel is the main driver for WIMAX: Integration in Centrino is the disruptive goal 伞EEE WimAX

IEEE 802.16d Air I/F Fixed BWA Approved 07/04 Approval 05/05 Corrigenda (TGh) WiMAX 1st certificate 07/05 Chipset for Indoor-outdoor CPE • Intel is the main driver for WIMAX: Integration in Centrino is the disruptive goal IEEE 802.16e Air I/F Fixed & Mobile BWA Approval 07/05 Chipset for PCMCIA No handover Chipset for Centrino Handset Approval 05/06 Corrigenda (TGh) Possible delay 2004 2005 2006 2007 2008 Big Picture –WMAN’s WiMax (Worldwide Interoperability for Microwave Access) • Standard & Chipset Availability

WIMAX Applications in 2005 EEE802.162004 WIF Mobile PC/PAD WiMAX Business, SME SOHOAccess Base station Fixed Services omadicPC Residentiallfixed WOSLBBAcceSS NB or BTS Wifi-Hotspot Campu Feeding 2G/3G Feeding Airport Hotzones

Business, SME, SOHO Access Residential Fixed WDSL BB Access Nomadic PC WiFi WiFi-Hotspot Feeding Mobile PC/PAD NB or BTS 2G/3G Feeding Hot Zones Campus Airport WiMAX Base Station IEEE 802.16-2004 WiMAX Applications in 2005 Fixed Services

WiMAX Applications in 2006-2007 CIF (中) Mobile Pc/pad WiMAX Busines.Nomadicity, Solutions Base station for Laptops(PCMCIA) EEE80216-2004 EEE802.16e Nomadic Residentialfixed WOSLBBAcceSS NB or BTS ￥ WiFH-Hotspot Campus Feeding 2G/3G Feeding Airport Hot Zones

Business, SME, SOHO Access Residential Fixed WDSL BB Access WiFi WiFi-Hotspot Feeding Mobile PC/PAD Nomadic PC NB or BTS 2G/3G Feeding Hot Zones Campus Airport WiMAX Base Station IEEE 802.16-2004 & IEEE 802.16e WiMAX Applications in 2006-2007 Nomadicity, Solutions for Laptops (PCMCIA)