CDMA and cdma2000 for 3G Mobile Networks 1 doc

... possible. Chapter 1 16 19 45 AB MHz Downlink - from Base Station to Mobiles Uplink - from Mobiles to Base Station 19 30 19 50 19 65 19 70 19 75 19 90 CDEF 18 65 AB MHz 18 50 18 70 18 85 18 90 18 95 19 10 CDEF Figure 1- 7 The ... Control 13 0 Handoff in IS-95 13 3 cdma2 000 13 7 System Features 13 7 The Protocol Stack 14 0 Physical Channels 14 3 Forward Channel Transm...

Ngày tải lên: 23/12/2013, 01:17

... Mb/s with a bandwidth of 1. 6 MHz. The spectrum allocation for UWC -13 6 is the same as for cdma2 000. The system features of UMTS and cdma2 000 are summarized in Table 1- 5. Chapter 1 22 11 Or, if necessary, ... Control 13 0 Handoff in IS-95 13 3 cdma2 000 13 7 System Features 13 7 The Protocol Stack 14 0 Physical Channels 14 3 Forward Channel Transmit Functions 14 6 Re...

Ngày tải lên: 02/03/2013, 16:58

... sig- P r ϭ P r 0 Ϫ 10 n log1r2 P r ϭ P r 0 Ϫ 10 n log1r>r 0 2 P r 1dB2ϭ a ϩ P t 1dB2ϩ G t ϩ G r Ϫ 10 n log1r2 P r ϭ 10 log1k2ϩ 10 log P t ϩ 10 log A t ϩ 10 log A r Ϫ 10 n log1r2 37 Propagation ... Mb/s with a bandwidth of 1. 6 MHz. The spectrum allocation for UWC -13 6 is the same as for cdma2 000. The system features of UMTS and cdma2 000 are summarized in Table 1- 5. C...

Ngày tải lên: 18/06/2014, 10:05

... clock pulses are 1 1 1 1 0 1 1 1 1 0 1 1 0 1 0 1 1 0 1 0 1 1 0 1 0 1 1 0 0 0 1 1 1 0 0 1 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 1 1 1 0 1 1 1 1 Chapter 3 84 + 3 210 Output Figure 3 -16 A 4-stage shift register ... sequences. Reference [15 ] provides some relevant mathematical background. H 2 2 ϭ H 4 ϭ ≥ 11 11 1 010 11 00 10 01 ¥ H 2 1 ϭ H...

Ngày tải lên: 18/06/2014, 10:05

... 845 846.5 849 869 870 880 890 8 91. 5 894 MHz (a) 18 50 18 65 18 70 18 85 18 90 18 95 MHz (b) 19 30 19 45 19 50 19 65 19 70 19 75 19 10 19 90 Base Stations MobilesBase StationsMobiles A" A B A' B' ... user 1. Also, the interference due to distant symbols such as s 2 (j Ϯ 2), s 2 (j Ϯ 3), and so on, are ignored because it r o1 1jT2ϭ s 1 1j2ϩ s 2 1j Ϫ 12 R 12...

Ngày tải lên: 18/06/2014, 10:05

... ms frame. Supplementary channel 1 and 2, which are similar to the forward supplementary channels, provide higher data rates: (1) 9.6, 19 .2, 14 5 cdmaOne and cdma2 000 Rate Set 1 Rate Set 2 Single-carrier cdma2 000 M ... M ϭ 1, 2, M ϫ 14 .4 kb/s, M ϭ 1, 2, with a bandwidth of 4, 8, 16 , and 32. Uses 4, 8, and 16 . Uses 1. 25 MHz channel encoder of channel encoder of rat...

Ngày tải lên: 18/06/2014, 10:05

... Downlink (a) Downlink Synchronized Time Slots (b) 19 20 19 80 211 0 217 0 19 60 215 0 5 Paired Bands Figure 6 -1 The two modes of UMTS: (a) The FDD mode and (b) The TDD mode 1 This is called channel raster. random access channel). ... location and routing information of the mobile. In the STANDBY state, the mobile station is still GPRS-attached and sends the SGSN its location...

Ngày tải lên: 18/06/2014, 10:05

... emanating from nodes C1 and C2, rows 1 and 3 representing codes at C1, and rows 2 and 4 at C2. a N 1 kϭ0 h ik h jk ϭ 0 for i  j H N ϭ 3h ij 4,i,j ϭ 0 ,1, 2, p , N Ϫ 1 227 Universal Mobile Telecommunications ... x 18 ϩ x 7 ϩ 1 and f 2 (x) ϭ x 18 ϩ x 10 ϩ x 7 ϩ x 5 ϩ 1 over GF(2 m ). There are a total of 2 18 Ϫ 1 of these codes. How- ever, only 8 ,19 2 are used...

Ngày tải lên: 18/06/2014, 10:05

... Multiplexing and Channel Coding. [11 ] 3GPP TS 25. 213 , Spreading and Modulation (FDD). [12 ] 3GPP TS 25. 214 , Physical Layer Procedures. [13 ] 3GPP TS 25. 215 , Physical Layer — Measurements. [14 ] 3GPP TS ... (IMT-2000),” 19 97. [3] IMT-2000: Recommendations ITU-R M .10 34 -1, “Require- ments for the Radio Interface(s) for International Mobile Telecommunications-2000 (IMT-2...

Ngày tải lên: 18/06/2014, 10:05

... capacity is not exceeded. Chapter 9 324 000 10 0 010 0 01 Delay (D), Throughput(T) and Reliability ( R) Bits Precedence Bits 000 0 01 010 011 10 0 10 1 11 0 11 1 Routine Priority Immediate Flash Flash ... IntServ-capable routers [11 ], [16 ]. RSVP for Mobile Systems Problems arise when standard RSVP is used in a mobile communi- cations network. Reference [11 ] has studie...

Ngày tải lên: 18/06/2014, 10:05