【資料名稱】：RRM:負載控制參數(shù)描述

【資料作者】：華為

【資料日期】：2008

【資料語言】：中文

【資料格式】：DOC

【資料目錄和簡介】：

1 變更說明.......................................................................................................................................1-1
2 負載控制簡介...............................................................................................................................2-1
3 負載控制算法簡介.......................................................................................................................3-1
3.1 負載控制算法工作流程..............................................................................................................................3-1
3.2 算法簡介......................................................................................................................................................3-2
3.3 負載控制相關(guān)優(yōu)先級..................................................................................................................................3-4
3.3.1 用戶優(yōu)先級.........................................................................................................................................3-4
3.3.2 RAB 綜合優(yōu)先級................................................................................................................................3-5
3.3.3 用戶綜合優(yōu)先級.................................................................................................................................3-5
4 負載測量算法...............................................................................................................................4-1
4.1 測量量和測量流程......................................................................................................................................4-1
4.1.1 測量量................................................................................................................................................4-1
4.1.2 LDM 流程............................................................................................................................................4-1
4.2 負載測量的濾波..........................................................................................................................................4-2
4.2.1 NodeB 側(cè)的濾波.................................................................................................................................4-2
4.2.2 RNC 側(cè)平滑窗濾波............................................................................................................................4-3
4.2.3 測量上報周期.....................................................................................................................................4-4
4.2.4 PBR......................................................................................................................................................4-4
4.3 底噪自動更新算法......................................................................................................................................4-4
5 潛在用戶控制算法.......................................................................................................................5-1
6 智能接入控制...............................................................................................................................6-1
6.1 IAC 簡介.......................................................................................................................................................6-1
6.2 RRC 連接建立時的IAC..............................................................................................................................6-3
6.2.1 基于業(yè)務(wù)分層的RRC 重定向...........................................................................................................6-5
6.2.2 RRC DRD............................................................................................................................................6-5
6.2.3 DRD 失敗后的RRC 重定向..............................................................................................................6-6
6.3 速率協(xié)商......................................................................................................................................................6-6
6.3.1 PS MBR 協(xié)商......................................................................................................................................6-6
6.3.2 PS GBR 協(xié)商.......................................................................................................................................6-7
目 錄
RAN
負載控制參數(shù)描述
ii 華為所有和機密
版權(quán)所有 © 華為技術(shù)有限公司
文檔版本Draft (2008-12-30)
6.3.3 初始速率協(xié)商.....................................................................................................................................6-7
6.3.4 目標(biāo)速率協(xié)商.....................................................................................................................................6-8
6.4 RAB DRD.....................................................................................................................................................6-8
6.4.1 RAB DRD 簡介...................................................................................................................................6-9
6.4.2 業(yè)務(wù)分層DRD...................................................................................................................................6-9
6.4.3 負載平衡DRD.................................................................................................................................6-12
6.4.4 異頻DRD.........................................................................................................................................6-18
6.4.5 異系統(tǒng)DRD.....................................................................................................................................6-20
6.5 搶占............................................................................................................................................................6-21
6.6 排隊............................................................................................................................................................6-24
6.7 PS BE 業(yè)務(wù)的低速接入.............................................................................................................................6-25
6.8 緊急呼叫的IAC........................................................................................................................................6-26
6.8.1 緊急呼叫的RRC 連接建立流程.....................................................................................................6-26
6.8.2 緊急呼叫的RAB 建立流程............................................................................................................6-26
7 呼叫準入控制...............................................................................................................................7-1
7.1 CAC 簡介.....................................................................................................................................................7-1
7.2 基于碼資源的CAC.....................................................................................................................................7-3
7.3 基于功率資源的CAC.................................................................................................................................7-3
7.3.1 簡介....................................................................................................................................................7-3
7.3.2 RRC 連接建立請求準入判決.............................................................................................................7-5
7.3.3 功率準入判決算法1..........................................................................................................................7-5
7.3.4 功率準入判決算法2........................................................................................................................7-13
7.3.5 功率準入判決算法3........................................................................................................................7-15
7.4 基于NodeB 信用度資源的CAC .............................................................................................................7-15
7.4.1 NodeB 信用度資源...........................................................................................................................7-15
7.4.2 基于NodeB 信用度資源的準入判決流程......................................................................................7-17
7.5 基于Iub 接口資源的CAC .......................................................................................................................7-17
7.6 基于HSPA 用戶數(shù)的CAC.......................................................................................................................7-18
7.6.1 HSDPA 用戶CAC.............................................................................................................................7-18
7.6.2 HSUPA 用戶CAC.............................................................................................................................7-18
8 同頻負載平衡算法.......................................................................................................................8-1
9 負載重整算法...............................................................................................................................9-1
9.1 初級擁塞觸發(fā)機制......................................................................................................................................9-1
9.1.1 功率資源............................................................................................................................................9-1
9.1.2 碼資源................................................................................................................................................9-2
9.1.3 Iub 資源...............................................................................................................................................9-3
9.1.4 NodeB 信用度資源.............................................................................................................................9-3
9.2 LDR 流程......................................................................................................................................................9-4
RAN
負載控制參數(shù)描述目 錄
文檔版本Draft (2008-12-30) 華為所有和機密
版權(quán)所有 © 華為技術(shù)有限公司
iii
9.3 LDR 動作......................................................................................................................................................9-8
9.3.1 異頻負載切換.....................................................................................................................................9-8
9.3.2 BE 業(yè)務(wù)降速率...................................................................................................................................9-9
9.3.3 不可控實時業(yè)務(wù)QoS 重協(xié)商..........................................................................................................9-10
9.3.4 CS 域異系統(tǒng)切換..............................................................................................................................9-10
9.3.5 PS 域異系統(tǒng)切換..............................................................................................................................9-11
9.3.6 AMR 業(yè)務(wù)降速率..............................................................................................................................9-11
9.3.7 碼樹重整..........................................................................................................................................9-12
9.3.8 MBMS 業(yè)務(wù)降功率...........................................................................................................................9-12
9.3.9 同UE 上/下行LDR 動作組合........................................................................................................9-13
10 過載控制算法...........................................................................................................................10-1
10.1 OLC 測量..................................................................................................................................................10-1
10.2 OLC 常規(guī)流程..........................................................................................................................................10-2
10.3 OLC 動作..................................................................................................................................................10-4
10.3.1 BE 業(yè)務(wù)的TF 控制.........................................................................................................................10-4
10.3.2 BE 業(yè)務(wù)遷移到公共信道................................................................................................................10-6
10.3.3 FACH 信道最大發(fā)射功率重配置..................................................................................................10-7
10.3.4 釋放部分RAB ...............................................................................................................................10-7
11 多載波動態(tài)功率共享...............................................................................................................11-1
11.1 簡介..........................................................................................................................................................11-1
11.2 功率共享方式..........................................................................................................................................11-1
12 負載控制參數(shù)...........................................................................................................................12-1
13 參考文檔...................................................................................................................................13-1