air interface for broadband wireless access

... platform for broadband wireless packet access Therefore, the design of a new air interface for broadband wireless packet access has to take into account the fact that the dominant load in the wireless ... evolution of multiple access technologies for next generation wireless applications Since the focus of this thesis is air interface suited for next generation broadband wireless packet access, a brief ... Interface for Broadband Wireless Packet Access Broadband wireless packet access should deliver much higher data transmission rates and provide more diverse services than current 2-3G systems All-IP wireless...

Ngày tải lên: 12/09/2015, 08:18

... Introduction to WiMAX 1 Introduction to Broadband Wireless Access 1.1 The Need for Wireless Data Transmission 1.2 Wireless Networks and Broadband Wireless Access (BWA) 1.2.1 Different Types of ... WiMAX WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 Introduction to Broadband Wireless Access 1.1 The Need for Wireless Data Transmission ... promising wireless communication systems WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 WiMAX: Technology for Broadband Wireless Access...

Ngày tải lên: 27/06/2014, 08:20

... Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 266 WiMAX: Technology for Broadband Wireless Access Start of Channel Encodings values for DIUC ... Standard for Local and Metropolitan Area Networks, Air Interface for Fixed Broadband Wireless Access Systems, October 2004 [2] IEEE 802.16e, IEEE Standard for Local and Metropolitan Area Networks, Air ... nature, fi xed WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 252 WiMAX: Technology for Broadband Wireless Access (e.g telemetering) On...

Ngày tải lên: 14/08/2014, 09:21

... used For example, QPSK considers two-bit modulation symbols WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 46 WiMAX: Technology for ... signals, giving the OFDMA (Orthogonal Frequency Division Multiple Access) multiple access 54 WiMAX: Technology for Broadband Wireless Access Data subcarriers Left guard subcarriers Right guard subcarriers ... WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 Digital Modulation, OFDM and OFDMA 5.1 Digital Modulations As for all recent communication...

Ngày tải lên: 14/08/2014, 09:22

... external WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 84 WiMAX: Technology for Broadband Wireless Access External Network Example: ... Mesh mode WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 96 WiMAX: Technology for Broadband Wireless Access MAC Header (6 bytes) ... downlink initialisation vector for burst 2,… ,N (From IEEE Std 802.162004 [1] Copyright IEEE 2004, IEEE All rights reserved.) 72 WiMAX: Technology for Broadband Wireless Access Data from randomiser...

Ngày tải lên: 14/08/2014, 09:22

... discussed WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 114 WiMAX: Technology for Broadband Wireless Access Downlink Freq: fd Uplink ... WiMAX: Technology for Broadband Wireless Access information is now given about each of these two subframes for OFDM PHY The structure of downlink and uplink subframes is the same for TDD and FDD ... Technology for Broadband Wireless Access Contention slots allowing bandwidth requests Via the Request IE, the BS specifies an uplink interval in which requests may be made for a bandwidth for uplink...

Ngày tải lên: 14/08/2014, 09:22

... channels WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 156 WiMAX: Technology for Broadband Wireless Access Table 11.1 RNG-REQ message ... Technology for Broadband Wireless Access After a contention transmission, the SS waits for a Data Grant Burst Type IE in a subsequent map (or for a Ranging Response (RNG-RSP), message for initial ... WiMAX: Technology for Broadband Wireless Access maintaining consistent interoperability The standard proposes, as an example, the use of contention instead of individual polling for SSs that have...

Ngày tải lên: 14/08/2014, 09:22

... WiMAX: Technology for Broadband Wireless Access of bandwidth required for each application This mechanism allows an efficient and adapted distribution of the existing resources Therefore, a real-time ... DL_MAP BE BS scheduler operation for the downlink [5] E-mail 170 WiMAX: Technology for Broadband Wireless Access Table 11.5 Scheduling service type (or QoS class) for some services Application Expected ... The BS does not have any unicast uplink request polling obligation for a BE SS 168 WiMAX: Technology for Broadband Wireless Access QoS Parameters Bandwidth requirements Determination of the burst...

Ngày tải lên: 14/08/2014, 09:22

... just for interworking scenarios) WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 208 Table 13.1 WiMAX: Technology for Broadband Wireless ... made by the WiMAX Forum) have different and complementary benefits 204 WiMAX: Technology for Broadband Wireless Access Beamforming (or AAS), since it provides link budget gains for both the uplink ... 190 WiMAX: Technology for Broadband Wireless Access Table 12.1 Normalised C/N values for power control procedures for OFDMA-based WiMAX terminals (From IEEE Std 802.16e2005...

Ngày tải lên: 14/08/2014, 09:22

... this book) WiMAX: Technology for Broadband Wireless Access Loutfi Nuaymi © 2007 John Wiley & Sons, Ltd ISBN: 0-470-02808-4 232 WiMAX: Technology for Broadband Wireless Access EAP method RSA-based ... of the serving base station air interface resources 228 WiMAX: Technology for Broadband Wireless Access In addition, the MS can scan other base stations to collect information to assist handover ... 220 WiMAX: Technology for Broadband Wireless Access Handover has challenging objectives (see Section 13.1 for handover requirements as a function of the WiMAX access type) First, it has...

Ngày tải lên: 14/08/2014, 09:22

... of the wirelessMANTM air interface for broadband wireless access, ” IEEE Communications Magazine, vol 40, no 6, pp 98–107, 2002 [13] ANSI/IEEE std 802.11 1999 Edition, Wireless LAN medium access ... Wireless Philadelphia business plan: wireless broadband as the foundation for a digital city,” Wireless Philadelphia Executive Committee, February 2005, http://www.wirelessphiladelphia.org/organization.html ... relative market share for broadband access will be more in rural areas than in urban areas If unlicensed or nonexclusive licenses are used, then there will be lower barriers to entry for BWA competitors...

Ngày tải lên: 21/06/2014, 23:20

... and long-term fairness guarantee in the sense that it provides short-term Figure 10: Curve of v in the second experiment fairness for error-free sessions and long-term fairness for error-prone ... Wongthavarawat and A Ganz, “Packet scheduling for QoS support in IEEE 802.16 broadband wireless access systems,” 12 [17] [18] [19] [20] [21] [22] [23] EURASIP Journal on Wireless Communications and Networking ... to provide for these traffic flows Without consideration of fair service, multiple data traffic flows in a same system may receive fairly different amounts of service, due to the different wireless channel...

Ngày tải lên: 21/06/2014, 23:20

... May 2005, Seoul, Korea REFERENCES [1] IEEE Std 802.16a for Local and Metropolitan Area Networks, Air interface for fixed broadband wireless access systems, IEEE, April 2003 [2] H B¨ lcskei, A J ... Guest Editor for Wiley Journal on Wireless Communications & Mobile Computing; he was an Editor for IEEE Communications Surveys & Tutorials for 2002–2003 Currently he is serving as the Chair of the ... Communication and Information Technology Ontario (CITO) Graduate Award in 2000 His research interests include wireless access techniques, resource management in wireless networks, multihop wireless networks,...

Ngày tải lên: 22/06/2014, 22:20

... processing In 2000, he joined I2R (formerly Centre for Wireless Communications) His research interests include reconfigurable signal processing and architectures for broadband wireless communications and ... implementation for each system Adding the NCM for OFDM, which is N log2 (N) + 3N, and the NCM for SCCP, which is 2N log2 (N) + 3N, with those for CDMA systems, the required NCM per data block for the ... resources to perform high-level functions like system management, configuration/reconfiguration management of the platform, configuration storage, user interface, and so forth This module performs its...

Ngày tải lên: 23/06/2014, 00:20

... “WIMAX: BROADBAND WIRELESS ACCESS TECHNOLOGY" Table of Content WiMAX: .1 WiMAX: .1 Broadband Wireless Access Technology Broadband Wireless Access Technology “WiMAX: Broadband Wireless ... Wireless Broadband - The Communications Revolution82 Attraction of Wireless Broadband 84 Need for Wireless Broadband 85 Broadband Wireless Access 86 BWA makes business sense 88 Broadband ... Extend Wireless Range 45 Wireless – Radio Access 45 Fibre 47 Broadband Demand .49 Broadband Everywhere 51 Broadband the Development Catalyst 52 Economics of Broadband...

Ngày tải lên: 16/07/2014, 21:55

... iterations for BI-GDFE and EM for SCCP 82 5.6 The MSE performance of SCCP 83 ix LIST OF FIGURES 5.7 BER v.s SNR for different iterations of BI-GDFE and EM for MCCDMA ... number of iterations for BI-GDFE and EM for MC-CDMA 85 5.9 The MSE performance of MC-CDMA 85 5.10 BER v.s SNR for different iterations of BI-GDFE and EM for CPCDMA ... SNR for different iterations of BI-GDFE and EM for MIMOIFDMA 100 5.17 BER v.s number of iterations for BI-GDFE and EM for MIMO-IFDMA.101 5.18 The MSE performance...

Ngày tải lên: 12/09/2015, 08:19

... interoperability of broadband wireless access equipment that conforms to the IEEE 802.16 specifications The WiMAX Forum Network Working Group (NWG) develops the higher-level networking specifications for Mobile ... Multi-carrier air interface for robustness against frequency-selective fading and for increased spectral efficiency: OFDM/OFDMA and its variant forms are the basic modulation and multiple access schemes ... Engineers, IEEE 802.20 Mobile Broadband Wireless Access (MBWA), 2008, http://www.ieee802.org/20/ [13] Laroia, R., Uppala, S., and Li, J., “Designing a Mobile Broadband Wireless Access Network,” IEEE...

Ngày tải lên: 22/09/2016, 01:48

... mobile broadband wireless access This standard was introduced as an enhancement to an earlier IEEE 802.16 standard for fixed broadband wireless access The 802.16e standard employed a different access ... Std 802.16e-2005 ,Air Interface for Fixed and Mobile Broadband WirelessAccess Systems [5] 3GPP TSG RAN TR 25.912 v7.2.0, Feasibility Study for Evolved Universal Terrestrial Radio Access (UTRA) and ... established for uplink data forwarding and another one for downlink data forwarding for each EPS bearer for which data forwarding is applied During handover execution, user data can be forwarded...

Ngày tải lên: 06/05/2014, 10:20