Next generation wireless systems and networks phần 4 potx

... rate (kb/s) 38 .4 76.8 153.6 307.2 307.2 6 14. 4 6 14. 4 921.6 1228.8 1228.8 1 843 .2 245 7.6 Modem QPSK QPSK QPSK QPSK QPSK QPSK QPSK 8PSK QPSK 16QAM 8PSK 16QAM Encoded 10 24/ 10 24/ 10 24/ 10 24/ 2 048 / 10 24/ 2 048 / ... 3 and 11 influence the procedure. There are three types of handovers specified in UMTS. (1) Intrafrequency handovers; (2) Inter- frequency handovers; and (3) InterRAT...

Ngày tải lên: 09/08/2014, 19:22

... 1/5 2 .4 307K-2S 1/3 1/5 1.2 307K-4S 16 /49 16 /49 2 614K-1S 2/3 1/3 1 614K-2S 32 /49 16 /49 1 912K 48 /49 16 /49 1 1.2M-1S 4/ 3 2/3 1 1.2M-2S 64/ 49 16 /49 1 1.8M 2 2/3 1 2.4M 8/3 2/3 1 Table 3.11 CDMA2000 ... Rate (kbps) 9.6 19.2 38 .4 76.8 153.6 Encoder input block length 250 506 10 24 2 048 40 96 Turbo encoder code rate 1 /4 1 /4 1 /4 1 /4 1/2 Encoder output block length 10 24...

Ngày tải lên: 09/08/2014, 19:22

... 7p /4 3p /4 3p /4 3p /47 p /4 7p/4p /45 p /4 5p/4p /4 Figure 2.18 Signal waveforms in a generic QPSK DSSS transceiver. It is seen from Equation (2.39) that s(t) will yield four different phases: θ + π 4 , ... sequences and OVSF codes, and so on. One example for the application of the OCC can already be found in TD-LAS system [44 1 44 7], which has been approved by 3GPP2 as an enha...

Ngày tải lên: 09/08/2014, 19:22

... telecommunication services: PSTN and IP networks. Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen Guizani  2006 John Wiley & Sons, Ltd 2 34 WIRELESS DATA NETWORKS • Up to eight ... Mbps, and in the late 1990s the Gigabit Ethernet was standardized Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen Guizani ...

Ngày tải lên: 09/08/2014, 19:22

... need to be synchronized in time, and every active user is assigned a particular time slot in the Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen Guizani  2006 John Wiley ... infinite, and 262 ARCHITECTURE OF B3G WIRELESS SYSTEMS Reconfigurability and spectrum issues are changing the way wireless networks are planned. Planners are mindful of Q...

Ngày tải lên: 09/08/2014, 19:22

... channel, and g(τ) is the com- bined effect of the transmitter pulse-shaping and the receiver matched-filtering. Thus, the received Next Generation Wireless Systems and Networks Hsiao-Hwa Chen and Mohsen ... TECHNOLOGIES FOR B3G WIRELESS Figure 7.18 Various IEEE 802 standards, in which UWB technologies have been covered in IEEE 802.15.3a standard for WPAN applications. wire...

Ngày tải lên: 09/08/2014, 19:22

... various wireless applications, such as wireless regional area networks (WRANs), wireless metropolitan area networks (WMANs), wireless local area networks (WLANs), and wireless personal area networks ... in the same band (such as GPS, radar and satellite systems, and so on.), and the other being the mutual interference among unlicensed users (such as WLANs and Blue...

Ngày tải lên: 09/08/2014, 19:22

... (4. 69/9) ×6, (5.21/10) ×1 c (4. 69/18) ×5, (4. 95/19) ×2 (4. 69/36) ×3, (4. 82/37) 4 (4. 75/73) ×6, (4. 82/ 74) ×1 (4. 73/109) ×2, (4. 77/110) ×5 (4. 75/ 146 ) ×5, (4. 79/ 147 ) ×2 Long (16.67/32) (16.67/ 64) ... kHz Sampling frequency 1.92 MHz (1/2 × 3. 84 MHz) 3. 84 MHz 7.68 MHz (2 × 3. 84 MHz) 15.36 MHz (4 × 3. 84 MHz) 23. 04 MHz (6 × 3. 84 MHz) 30.72 MHz (8 × 3. 84 M...

Ngày tải lên: 09/08/2014, 19:22

... 2 24 protocol, 146 Autocorrelation Function (ACF), 11, 69–78, 81, 43 3, 44 0, 44 5, 44 6 B Back-off, 83 Bandpass filter, 44 , 45 , 46 , 48 , 56, 58 Bandwidth, 3, 33, 34, 40 , 58, 59 efficiency, 11, 13, 14, ... (SNR), 40 , 53, 98, 101, 139, 313, 3 24 330, 3 34 336, 340 , 348 , 352–357, 3 74 Signaling Link Protocol (SLP), 146 , 149 Network Protocol (SNP), 146 , 149 Signature code,...

Ngày tải lên: 09/08/2014, 19:22

... 59,889 ,40 7 59.8 3.8 South Korea 31,600,000 49 ,929,293 63.3 3 .4 Italy 28,610,000 58,608,565 48 .8 3.0 France 25,6 14, 899 60,619,718 42 .3 2.7 Brazil 22,320,000 181,823, 645 12.3 2 .4 Russia 22,300,000 144 ,003,901 ... design methodologies and concepts for wireless systems and networks. This book project was initiated to respond to the evolutional trend in the design of wir...

Ngày tải lên: 03/06/2014, 01:05