【正文】 設(shè)備和建網(wǎng)成本分析 ...................................................................... 26 市場(chǎng)應(yīng)用和業(yè)務(wù)開(kāi)展情況 .............................................................. 27 專(zhuān)利情況 .......................................................................................... 28 韓國(guó) TDMB ................................................................................................ 28 網(wǎng)絡(luò)架構(gòu) .............................................................................................. 28 關(guān)鍵技術(shù) .............................................................................................. 31 業(yè)務(wù)能力 .............................................................................................. 34 設(shè)備成熟度和產(chǎn)業(yè)鏈 .......................................................................... 35 標(biāo)準(zhǔn)化情況 .......................................................................................... 36 設(shè)備和建網(wǎng)成本分析 .......................................................................... 37 市場(chǎng)應(yīng)用和業(yè)務(wù)開(kāi)展情況 .................................................................. 37 專(zhuān)利情況和收費(fèi)模式 .......................................................................... 38 日本 ISDBT................................................................................................ 38 第 3 頁(yè) 共 頁(yè) 網(wǎng)絡(luò)架構(gòu) .............................................................................................. 39 關(guān)鍵技術(shù) .............................................................................................. 40 業(yè)務(wù)能力 .............................................................................................. 42 設(shè)備成熟度和產(chǎn)業(yè)鏈 .......................................................................... 42 標(biāo)準(zhǔn)化情況 .......................................................................................... 43 設(shè)備和建網(wǎng)成本分析 .......................................................................... 44 市場(chǎng)應(yīng)用和業(yè)務(wù)開(kāi)展情況 .................................................................. 45 專(zhuān)利情況 .............................................................................................. 46 MEDIAFLO ................................................................................................. 46 網(wǎng)絡(luò)架構(gòu) .............................................................................................. 47 FLO 空中接口 ......................................................................................... 47 上層的主要功能 .............................................................................. 48 流子層的主要功能 .......................................................................... 48 媒體接入控制（ MAC）子層的主要功能 .................................... 48 物理層的主要功能 .......................................................................... 48 關(guān)鍵技術(shù) .............................................................................................. 49 OFDM .............................................................................................. 49 分層調(diào)制 .......................................................................................... 49 更強(qiáng)的信道編碼 .............................................................................. 49 功耗優(yōu)化 .......................................................................................... 49 快速頻道獲取 /切換 ........................................................................ 50 高效的傳送協(xié)議 .............................................................................. 50 靈活的帶寬要求 .............................................................................. 51 支持單頻組網(wǎng) .................................................................................. 51 業(yè)務(wù)能力 .............................................................................................. 52 廣域和局域內(nèi)容共存 ...................................................................... 52 實(shí)時(shí)、非實(shí)時(shí)節(jié)目與點(diǎn)播短片共存 .............................................. 52 面向各個(gè)節(jié)目流的 QoS 控制 ........................................................ 52 靈活的接收選擇 .............................................................................. 53 良好的用戶(hù)體驗(yàn) .............................................................................. 53 標(biāo)準(zhǔn)的節(jié)目源接口 .......................................................................... 53 設(shè)備成熟度和產(chǎn)業(yè)鏈 .......................................................................... 53 標(biāo)準(zhǔn)化情況 .......................................................................................... 54 設(shè)備和建網(wǎng)成本分析 .......................................................................... 54 市場(chǎng)應(yīng)用和業(yè)務(wù)開(kāi)展情況 .................................................................. 54 專(zhuān)利授權(quán) .............................................................................................. 55 BCAST......................................................................................................... 55 BCAST 概述 ............................................................................................. 55 BCAST 架構(gòu)體系和技術(shù)協(xié)議 ................................................................. 57 BCAST 關(guān)鍵技術(shù)點(diǎn)和獲益 ..................................................................... 58 音視頻編解碼技術(shù) .......................................................................... 58 業(yè)務(wù)導(dǎo)航 (Service Guide)技術(shù) ........................................................ 58 內(nèi)容保護(hù)技術(shù) .................................................................................. 58 業(yè)務(wù)鑒權(quán)、計(jì)費(fèi)實(shí)現(xiàn)方式 .............................................................. 58 第 4 頁(yè) 共 頁(yè) OMA BCAST 系列規(guī)范 ........................................................................... 59 移動(dòng)廣播業(yè)務(wù)需求文檔 (RD) ......................................................... 59 移動(dòng)廣播業(yè)務(wù)架構(gòu)文檔 (AD) ......................................................... 63 移動(dòng)廣播業(yè)務(wù)規(guī)范 .......................................................................... 66 移動(dòng)廣播業(yè)務(wù)指南 規(guī)范 .................................................................. 67 移動(dòng)廣播業(yè)務(wù)文件和流媒體分發(fā)規(guī)范 .......................................... 67