ea000201 lte協(xié)議與流程學(xué)員用書 issue 1.00

1、LTE 協(xié)議與流程 學(xué)員用書 目 錄 文檔版本 01 (2010-05-01) 華為所有和機(jī)密 版權(quán)所有 © 華為技術(shù)有限公司 i 目 錄 1 EPS 構(gòu)架 構(gòu)架 ...............................................................................................................................

2、....... 1-1 1.1 EPS 網(wǎng)元 ....................................................................................................................................................... 1-2 1.1.1 用戶設(shè)備 ...........................

3、................................................................................................................. 1-2 1.2 eNodeB .........................................................................................

4、................................................................. 1-4 1.2.2 移動性管理實體 ................................................................................................................................. 1-5

5、 1.2.3 服務(wù)網(wǎng)關(guān) ............................................................................................................................................ 1-6 1.2.4 分組數(shù)據(jù)網(wǎng)網(wǎng)關(guān) ...............................................

6、.................................................................................. 1-7 1.3 EPS 接口 ........................................................................................................................

7、............................... 1-8 1.3.2 EPC ...................................................................................................................................................... 1-9 1.3.3 其它網(wǎng)元與接口 ..

8、............................................................................................................................. 1-10 2 EPS 協(xié)議 協(xié)議 ............................................................................

9、........................................................... 2-1 2.1 EPS 信令 ...............................................................................................................................................

10、........ 2-2 2.2 EPS 協(xié)議 ....................................................................................................................................................... 2-3 2.2.1 Uu 接口 ........................

11、........................................................................................................................ 2-3 2.2.2 EMM 和 ESM .............................................................................

12、......................................................... 2-4 2.2.3 RRC ...................................................................................................................................................

13、.. 2-5 2.2.4 PDCP ................................................................................................................................................... 2-6 2.2.5 RLC .....................................

14、................................................................................................................. 2-6 2.2.6 MAC ...........................................................................................

15、......................................................... 2-7 2.2.7 物理層 ................................................................................................................................................ 2

16、-8 2.2.8 X2 接口 ................................................................................................................................................ 2-8 2.2.9 X2 接口應(yīng)用協(xié)議 .....................................

17、........................................................................................... 2-9 2.2.10 流量控制傳輸協(xié)議 ..........................................................................................................

18、................. 2-9 2.2.11 GPRS 隧道協(xié)議-用戶面 ................................................................................................................... 2-9 2.2.12 S1 接口 ..........................................

19、.................................................................................................... 2-9 2.2.13 S1 接口應(yīng)用協(xié)議 .................................................................................................

20、........................... 2-10 2.2.14 S1 接口 SCTP 和 GTP-U ................................................................................................................ 2-10 2.2.15 S11 接口 ...........................

21、............................................................................................................... 2-10 2.2.16 GPRS 隧道協(xié)議 v2-控制面 ..............................................................................

22、.............................. 2-11 2.2.17 S5 與 S8 接口 .................................................................................................................................. 2-11 LTE 協(xié)議與流程 學(xué)員用書 目 錄 文檔版本 01

23、(2010-05-01) 華為所有和機(jī)密 版權(quán)所有 © 華為技術(shù)有限公司 iii 4.4.13 小區(qū)選擇 ........................................................................................................................................ 4-17 4.4.14 小區(qū)重選 ......

24、.................................................................................................................................. 4-18 5 分組數(shù)據(jù)匯聚協(xié)議 分組數(shù)據(jù)匯聚協(xié)議 ...............................................................

25、....................................................... 5-1 5.1 功能 PDCP 功能 .......................................................................................................................................... 5-2

26、 5.1.1 功能 .................................................................................................................................................... 5-2 5.1.2 PDCP 頭信息壓縮配置 ....................................

27、................................................................................... 5-2 5.1.3 PDCP 文件頭.....................................................................................................................

28、.................. 5-3 5.1.4 PDCP ROHC........................................................................................................................................ 5-5 5.1.5 PDCP 完整性.........................

29、.............................................................................................................. 5-6 5.1.6 PDCP 加密 ..........................................................................................

30、................................................ 5-7 6 無線鏈路控制和 無線鏈路控制和媒體 媒體接入控制 接入控制 .................................................................................................. 6-1 6.1 RLC 功能 ...................

31、................................................................................................................................... 6-2 6.1.1 向上層提供的服務(wù) ...................................................................

32、.......................................................... 6-2 6.1.2 從下層獲取的服務(wù) ............................................................................................................................. 6-2 6.1.3 功能

33、.................................................................................................................................................... 6-2 6.2 RLC 模式和格式化 ...................................................

34、................................................................................... 6-3 6.2.1 透明模式 ........................................................................................................................

35、.................... 6-3 6.2.2 非確認(rèn)模式 ........................................................................................................................................ 6-3 6.2.3 確認(rèn)模式 .............................

36、............................................................................................................... 6-4 6.2.4 TMD PDU ........................................................................................

37、.................................................... 6-5 6.2.5 UMD PDU ........................................................................................................................................... 6-6 6.2

38、.6 AMD PDU ........................................................................................................................................... 6-7 6.2.7 RLC 定時器 .................................................

39、...................................................................................... 6-10 6.2.8 可配置參數(shù) ...................................................................................................................

40、................... 6-10 6.3 MAC 功能 ................................................................................................................................................... 6-10 6.4 MAC 結(jié)構(gòu) ................

41、................................................................................................................................... 6-11 6.5 MAC 格式化 ......................................................................

42、......................................................................... 6-12 6.5.1 MAC 頭部 ...............................................................................................................................

43、.......... 6-12 6.5.2 MAC 子頭部 ..................................................................................................................................... 6-13 6.5.3 隨機(jī)接入過程.....................................

44、.............................................................................................. 6-16 7 X2/S1 接口和協(xié)議 接口和協(xié)議 ...................................................................................................

45、................... 7-18 7.1 X2AP 功能和過程 ...................................................................................................................................... 7-19 7.1.2 X2 應(yīng)用協(xié)議功能 ....................

46、.......................................................................................................... 7-19 7.1.3 X2 基本流程 ............................................................................................

47、.......................................... 7-20 7.1.4 消息的格式化................................................................................................................................... 7-21 7.1.5 X2 基本移動性過程：切換準(zhǔn)備

48、 ...................................................................................................... 7-22 7.1.6 X2 負(fù)載指示 ..............................................................................................