【正文】 全球領(lǐng)先的 HSDPA設(shè)備提供商，確保移動(dòng)運(yùn)營(yíng)商為用戶提供高速、穩(wěn)定的移動(dòng)數(shù)據(jù)業(yè)務(wù) – 全球第一個(gè) HSDPA商用網(wǎng)絡(luò)合同的設(shè)備供應(yīng)商 – 最先進(jìn)行 HSDPA的外場(chǎng)測(cè)試（ 4Mbps、 11Mbps） – HSDPA的上行增強(qiáng)功能（ ） Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt ? 靜夜四無(wú)鄰，荒居舊業(yè)貧。 – 在 UE不傳送數(shù)據(jù)時(shí)節(jié)省電池電量 信道類型轉(zhuǎn)換 信道轉(zhuǎn)換 Release dedicated channel RandomAccess Request RandomAccess Channel Packet Packet Packet Dedicated Channel TTimeout Switch to mon Switch to dedicated RandomAccess Request User 1 User 2 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt 信道速率轉(zhuǎn)換 ? 當(dāng) UE遠(yuǎn)離 RBS時(shí)改變速率 : – UL supported by UE – DL supported in RNC 優(yōu)勢(shì) : 更高的覆蓋和容量 ? 當(dāng)負(fù)荷較高時(shí)改變速率 – 降低交互式用戶的速率 優(yōu)勢(shì) : 降低阻塞率 ? Upswitch, . 64 128 384 – 當(dāng)有充足的無(wú)線資源或覆蓋時(shí)，根據(jù)吞吐量觸發(fā) Upswitch ? Downswitch, . 384 128 64 – 當(dāng) UE移動(dòng)到小區(qū)邊界或缺少無(wú)線資源時(shí)，觸發(fā) Downswitch Distance from RBS or Load in the cell Bit rate 信道轉(zhuǎn)換 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt 頻間負(fù)荷分擔(dān) ? 頻間負(fù)荷分擔(dān) – 呼叫建立時(shí)（ RRC Connection Establishment ）進(jìn)行：對(duì)所有 RABs – 從公共信道到專用信道轉(zhuǎn)換時(shí)進(jìn)行：對(duì)交互式 RAB f1 f1 f1 f1 f2 f2 頻間負(fù)荷分擔(dān) Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt ? 擁塞控制解決過(guò)載 : – 步驟 1: 將 PS用戶信道轉(zhuǎn)換到公共信道 – 步驟 2: 釋放一些 CS連接 ? 業(yè)務(wù)差異化的擁塞控制 – 擁塞發(fā)生時(shí)，多快、多少連接轉(zhuǎn)換 – PS和 CS業(yè)務(wù)分別設(shè)定 ? 為調(diào)整系統(tǒng)行為提供了靈活性 – 話音和視頻電話的用戶與 PS用戶區(qū)別對(duì)待 業(yè)務(wù)差異化擁塞處理 Bit rate for an interactive user Load in the cell 業(yè)務(wù)差異化擁塞處理 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt BLER = Block Error Rate SIR = Signal to Interference Ratio TPC = Transmit Power Control P(Startvalue) Open loop P(SIRTarget,UL) P(SIRTarget, DL) Closed loop DLTPC ULTPC SIRTarget,DL BLERMeasured,DL DLOuter loop RNC SIRTarget,UL SIRError,UL ULOuter loop 功率控制 功率控制 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt 主要內(nèi)容 ? 無(wú)線網(wǎng)絡(luò)功能 – 無(wú)線資源管理 （ Radio Resource Management） – 移動(dòng)性管理 （ Mobility Management） – 其它無(wú)線網(wǎng)絡(luò)功能 ? 后續(xù)推出的新功能 ? 總結(jié) Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt 移動(dòng)性管理 ? 連接建立 /釋放（ Connection setup/release） ? 無(wú)線連接的監(jiān)控（ Radio connection supervision） ? 尋呼（ Paging） ? 小區(qū)更新（ Cell Update） ? 軟 /更軟切換和小區(qū)重選（ Soft/Softer Handover and Cell reselection） ? 頻間切換（ Interfrequency handover） ? GSM切換和小區(qū)重選（ GSM Handover and Cell reselection） ? 直接重試到 GSM（ Directed Retry to GSM） 移動(dòng)性管理 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt 頻間切換 小區(qū)重選 f2 f2 f2 DCH DCH DCH Nonblind f2 f2 ? UE處于專用信道：頻間切換 ? UE處于公共信道和空閑模式：頻間小區(qū)重選 移動(dòng)性管理 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 25 20 pt GSM 切換和小區(qū)重選 ? UE在 UMTS和 GSM/GPRS之間的轉(zhuǎn)移 : – CS Handover in Connected mode (Cell_DCH state). – Cell Reselection in Idle mode. – PS Cell Change for Connected mode on dedicated channel (Cell_DCH state). – PS Cell Reselection in Connected mode on mon channel (Cell_FACH). WCDMA GSM WCDMA 移動(dòng)性管理 Top right corner for fieldmark, customer or partner logotypes. See Best practice for example. Slide title