【正文】 :59:5910:59Feb2325Feb23 ? 1越是無能的人，越喜歡挑剔別人的錯兒。 。 high utilization HSDSCH ?Dynamic power allocation Pnom – (DCH + CCH) on 2 ms basis ?“Reservation” of HSDPA power with operator parameters Pcong Padm Maximize HSDPA throughput 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 HSDPA mobility 服務的 HSDSCH小區(qū)改變（ HS Cell Change） – 指示 UE至選擇的目標小區(qū)的調度隊列 – 停止原小區(qū)的發(fā)送 好處： – 保持使用 HSDPA的 UE的移動性 – 減少由于 HSDPA移動性而導致的用戶數(shù)據(jù)中斷，從而提高用戶感受的質量 – 支持 HSDPA只實施在單獨載頻的網絡（ HS Cell Selection） 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 HSDPA mobility With HSDSCH Cell Change HS SRB DCH Idle Common R99 HSDPA/R99 HSDPA/R99 R99 HSDPA/R99 UE movement Animated slide 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 HSDPA 商用產品計劃 : HSDPA Phase 1 ? 5 codes, QPSK and 16QAM =~ 2 / Mbps in Downlink ? Uplink: 64 / 384 kbps ? Mobility: ? Cell reselection support / HSDSCH cell change ? Soft Handover for ADCH ? Fallback to R99 due to Coverage ? Advanced Traffic Radio Resource mgmt ? Iub Flow control Tentative HSDPA Phase 2 ? Downlink: up to 14 Mbps peak rate ? RAB binations including HSDSCH ? Fallback to R99 due to Coverage Service ? Radio resource management enhancements ? Improved Transport Efficiency with UBR+ Enhanced Uplink: ? Peak Rate: Mbps ? 10 ms TTI Q3 2023 4Q 2023 1Q 2023 2Q 2023 3Q 2023 4Q 2023 所有產品不需任何硬件升級 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 主動排隊管理 1 Tmin Tmax RLC buffer 最優(yōu)化的緩存處理 – 將緩存延遲降到最小 – 與 TCP協(xié)議良好地互動 好處 – 改善無線鏈路的吞吐量 – 減少緩存延遲 – 并行操作時顯著減小延遲（例如：下載文件的同時瀏覽網頁） – 提高終端用戶體驗的數(shù)據(jù)服務質量 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 主動排隊管理 2 Lowest File Download Times Low Request/Response Delay File Download Times and Packet Transfer Delays measured for a 250kbyte File over a 64kbps WCDMA Bearer ~50% better than Other AQM ~30% better than Passive E/// AQM Other AQM Passive E/// AQM Other AQM Passive Operating Point 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 自適應多速率控制 ? 根據(jù)覆蓋和容量的原因動態(tài)改變 AMR模式 – 呼叫建立時 – 通話過程中 ? 通過配合覆蓋和容量的情況優(yōu)化空中接口的利用 Bit rate for a user [kbps] Distance from RBS or Load in the cell beyond 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 寬帶 AMR ? 改善手機間通話的話音質量 ? 支持多種速率 : , and kbps ? 呼叫建立時選擇速率 100 Hz 300 Hz 3400 Hz 7000 Hz 1 0 Narrowband AMR Wideband AMR Frequency beyond 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 開環(huán)發(fā)射分集 SpaceTime Transmit Diversity (STTD) ? 來自 兩個天線的信號使用同樣的擴頻碼和擾碼，同時發(fā)射 ? 兩個 信號經歷的衰落路徑不同， RAKE接收機處理兩路疊加的信號 ? 最終 的信號比每一路信號更加平滑 ? 可用于所有下行信道（除 SCH） A B b 0 b 1 b 2 b 3b 0 b 1 b 2 b 3b 2 b 3 b 0 b 1A n te n n a AA n te n n a BCh a n n e l b i tsS T T D e n c o d e d c h a n n e l b i tsf o r a n te n n a A a n d a n te n n a B . beyond 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 開環(huán)發(fā)射分集