TDLTE和LTEFDD同步发展的可行性

1、td-lte和lte fdd同步发展的可行性 爱立信（中国）通信有限公司爱立信（中国）通信有限公司 中国移动全国业务部中国移动全国业务部 首席技术官首席技术官 侯新利侯新利 博士博士 ericsson china2 gsm edge cdma1x ev-do wcdma hspa td-scdma lte - fdd - tdd 3gpp 3gpp2 移动技术的演进路线 ericsson china3 lte的频谱灵活性 spectrum flexibility to enable operation in differently-sized spectrum allocations 20 m

2、hz3 mhz1.4 mhz duplex flexibility to enable operation in paired and unpaired spectrum fdl ful fdd fdl/ul tdd paired spectrumunpaired spectrum both fdd and tdd avoid fragmentation ericsson china4 td lte对 td-scdma的继承 efficient co-existence with td-scdma evolved, compatible frame structure enables co-s

3、iting lte is the natural evolution path of td-scdma td-scdma 4dl:3ul lte tdd 2dl+dwpts:2ul uppts dwpts gp guard period gp guard period upptsdwpts ericsson china5 td lte: 唯一的lte tdd技术 harmonized lte tdd/fdd benefit from economy of scale l23 sae l2 & 3 l1 tdd common upper l1 parts (coding, etc) fdd si

4、mple dual mode terminals one physcial layer - two frame formats for fdd and tdd maximum commonality high performance optimized for fdd and tdd fdd and tdd have similar high spectral efficiency standardized in 3gpp global open standardization with focus on interoperability smooth evolution ericsson c

5、hina6 lte fdd与td lte的比较 harmonized lte tdd/fdd benefit from economy of scale ericsson china7 lte fdd与td lte的比较 harmonized lte tdd/fdd benefit from economy of scale ericsson china8 td lte/lte fdd: 同步的标准化进程 td lte 获得各方广泛关注， 标准化工作取得显著成效 3gpp2008三月深圳会议之 后，td lte 3gpp标准化进 程与lte fdd完全同步 目标：在下次3gpp全会上 解决所有

6、td lte主要遗留问 题 ericsson china9 运营商对lte的支持 july 2006: ntt docomo invited suppliers to submit proposals for development of lte equipment nov. 2007： verizon announced plans to develop and deploy its fourth generation mobile broadband network using lte long term evolution the technology developed within

7、the third generation partnership project (3gpp) standards organization. feb. 2008: china mobile, vodafone and verizon jointly announced initiative to drive td lte development ericsson china10 爱立信演示基于同一平台的 lte fdd/tdd ftp client lte rbs lte ue bs-pc/server ue-pc/server ftp client video conferencing v

8、ideo conferencing lte rbs subsystem fdd / tdd support 20 mhz 2.6 ghz 2 tx, 2 rx dl: 144 mbps (fdd) dl: 80mbps (tdd, 3:2 assym.) application server support lte ue subsystem fdd / tdd support 20 mhz 2.6 ghz 1 tx, 2 rx ul: 40 mbps (fdd) ul: 15 mbps (tdd, 3:2 assym) sae ericsson china11 爱立信lte发展的大事记 eri

9、csson is one of the key companies who took the initiative in the lte standardization work since 2004 ericsson started the lte system development since year 2005 ericsson made a number of worlds first on lte demonstration since year 2007 ericsson selected as super 3g/lte vendor by nttdocomo on feb 20

10、08 the first ericsson lte commercial product is expected to be available within 2009. ericsson china12 爱立信 lte移动平台 建立在3g领导地位上的m700 powerful mobile broadband experience uplink 50 mbps, downlink 100 mbps mimo radio solution designed for embedded modules pc cards phones flexible configurations stand-alone lte integrated lte, hspa, gsm platform i/f to other chipsets vendors meeting market expectation samples of asics in 2008 commercial release in 2009 products based on the platform in 2010 ericsson china13 小结 协调的td lte和lte fdd标准化进程为td lte与 lte fdd的同步发