銆�銆�LTE- advanced 鏄熀浜嶭TE 婕旈�茬殑涓嬩竴浠ｇЩ鍕曢�氫俊鎶�琛�(sh霉)锛岃兘澶犳彁渚涘绋湇鍕�(w霉)鍜屾洿楂橀�熺殑鏁�(sh霉)鎿�(j霉)妤�(y猫)鍕�(w霉)銆侺TE-Advanced鎸囩殑鏄疞TE鍦≧elease 10浠ュ強涔嬪悗鐨勬妧琛�(sh霉)鐗堟湰銆�2004骞村簳锛屽湪3GPP涓枊濮嬮�茶LTE鐨勬(bi膩o)婧�(zh菙n)鍖栧伐浣滐紝鑸�3G浠�CDMA鎶�琛�(sh霉)鐐哄熀绀�(ch菙)涓嶅悓锛屾牴鎿�(j霉)鐒＄窔閫氫俊鍚�?q奴)鎷敌╊嚞杈冭櫖l(f膩)灞曠殑瓒ㄥ嫝锛孡TE閲囩敤浜�OFDM鎶�琛�(sh霉)鐐哄熀绀�(ch菙)锛岀祼(ji茅)鍚堝澶╃窔鍜屽揩閫熷垎绲勮(di脿o)搴︾瓑瑷�(sh猫)瑷堢悊蹇�锛屽舰鎴愪簡鏂扮殑闈㈠悜涓嬩竴浠ｇЩ鍕曢�氫俊绯荤当(t菕ng)鐨勭┖涓帴鍙ｆ妧琛�(sh霉)锛屽張绋辩偤3G婕旈�插瀷绯荤当(t菕ng)锛圠TE锛孡ong Term Evolation锛�銆�2008骞村垵锛屽畬鎴愪簡LTE鍊嬬増鏈殑绯荤当(t菕ng)鎶�琛�(sh霉)瑕�(gu墨)鑼�锛屽嵆Release 8銆傚湪姝や箣鍚庯紝3GPP涓辜绾�(x霉)閫茶鎶�琛�(sh霉)鐨勫畬鍠勮垏澧炲挤锛屽墰鍓涘畬鎴愪簡绗簩鍊嬫妧琛�(sh霉)鐗堟湰锛圧elease 9锛夛紝鐩墠姝ｈ檿浜嶳elease 10鐗堟湰鐨勭爺绌堕亷绋嬩腑銆�
銆�銆�1 澶氬潃鏂瑰紡鑸囪硣婧愬垎閰�
銆�銆�LTE閲囩敤OFDM鎶�琛�(sh霉)鐐哄熀绀�(ch菙)锛屾牴鎿�(j霉)涓婅鍜屼笅琛岄張璺悇鑷殑鐗归粸锛屽垎鍒ラ噰鐢ㄥ柈杓夋尝DFT-SOFDM鍜孫FDMA浣滅偤鍏╁�嬫柟鍚戜笂澶氬潃鏂瑰紡鐨勫叿楂斿鐝�(xi脿n)銆侽FDM鎶�琛�(sh霉)浠ュ瓙杓夋尝鐐哄柈浣嶉�茶闋荤巼璩囨簮鐨勫垎閰�锛孡TE绯荤当(t菕ng)閲囩敤15kHz鐨勫瓙杓夋尝甯跺锛屾寜鐓т笉鍚岀殑瀛愯級娉㈡暩(sh霉)鐩�锛屽彲浠ユ敮鎸�1.4锛�3锛�5锛�10锛�15鍜�20MHz鍚勭ó涓嶅悓鐨勭郴绲�(t菕ng)甯跺銆俁elease 10鐗堟湰涓皣瑕佸紩鍏ョ殑杓夋尝鑱氬悎鎶�琛�(sh霉)锛屽彲浠ラ�氶亷鑱氬悎5鍊�20MHz鐨勫柈鍏冭級娉㈠鐝�(xi脿n)100MHz鐨勫叏绯荤当(t菕ng)甯跺锛堣鍦�1锛�銆�
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銆�銆�澶氬ぉ绶氾紙MIMO锛夋妧琛�(sh霉)鏄疞TE绯荤当(t菕ng)鎻愰珮鍚炲悙閲忕殑涓�闋呴棞(gu膩n)閸垫妧琛�(sh霉)锛屾牴鎿�(j霉)澶╃窔閮ㄧ讲褰㈡厠(t脿i)鍜屽闅涙噳(y墨ng)鐢ㄦ儏娉佸彲浠ラ噰鐢ㄧ櫦(f膩)灏勫垎闆�銆佺┖闁撳京(f霉)鐢ㄥ拰娉㈡潫璩﹀舰3绋笉鍚岀殑MIMO瀵︾従(xi脿n)鏂规銆備緥濡傦紝灏嶄簬澶ч枔璺濋潪鐩搁棞(gu膩n)澶╃窔闄ｅ垪鍙互閲囩敤绌洪枔寰�(f霉)鐢ㄦ柟妗堝悓鏅傚偝杓稿鍊嬫暩(sh霉)鎿�(j霉)娴�锛屽鐝�(xi脿n)寰堥珮鐨勬暩(sh霉)鎿�(j霉)閫熺巼锛涘皪浜庡皬闁撹窛鐩搁棞(gu膩n)澶╃窔闄ｅ垪锛屽彲浠ラ噰鐢ㄦ尝鏉熻肠褰㈡妧琛�(sh霉)锛屽皣澶╃窔娉㈡潫鎸囧悜鐢ㄦ埗锛屾笡灏戠敤鎴堕枔骞叉摼銆傚皪浜庢帶鍒朵俊閬撶瓑闇�瑕佹洿濂界殑淇濊瓑鎺ユ敹姝ｇ⒑鎬х殑鍫存櫙锛岀櫦(f膩)灏勫垎闆嗘槸涓�绋悎鐞嗙殑閬告搰銆�
銆�銆�LTE Release 8鐗堟湰鏀寔涓嬭鏈�澶�4澶╃窔鐨勭櫦(f膩)閫�锛屽彲浠ョ┖闁撳京(f霉)鐢�4鍊嬫暩(sh霉)鎿�(j霉)娴佺殑骞惰鍌宠几锛屽湪20MHz甯跺鐨勬儏娉佷笅锛屽彲浠ュ鐝�(xi脿n)瓒呴亷300Mbit/s鐨勫嘲鍊奸�熺巼銆傚湪Release 10涓�锛屼笅琛屾敮鎸佺殑澶╃窔鏁�(sh霉)鐩皣鎿村睍鍒�8鍊�銆傜浉鎳�(y墨ng)鍦�锛屽彲浠ョ┖闁撳京(f霉)鐢�8鍊嬫暩(sh霉)鎿�(j霉)娴佺殑骞惰鍌宠几锛屽嘲鍊奸牷璀滄晥鐜囨彁楂樹竴鍊�锛岄仈鍒�30bit/s/Hz銆傚悓鏅�锛屽湪涓婅涔熷皣寮曞叆MIMO鐨勫姛鑳�锛屾敮鎸佹渶澶�4澶╃窔鐨勭櫦(f膩)閫�锛屽彲浠ョ┖闁撳京(f霉)鐢�4鍊嬫暩(sh霉)鎿�(j霉)娴侊紝閬斿埌16bit/s/Hz鐨勪笂琛屽嘲鍊奸牷璀滄晥鐜囷紙瑕嬪湒2锛�銆�
銆�銆�鍦�2 MIMO鎶�琛�(sh霉)澧炲挤
銆�銆�4 涓辜鎶�琛�(sh霉)
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銆�銆�5 鎬ц兘瑭曚及鎯呮硜
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銆�銆�鍦�4 LTE/LTE-Advanced鎬ц兘瑭曚及
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銆�銆�1 杓夋尝鑱氬悎
銆�銆�LTE 鐩墠鏀寔20MHz 鐨勭郴绲�(t菕ng)甯跺锛屽彲瀵︾従(xi脿n) 涓嬭300Mbit/s銆佷笂琛�80Mbit/s 鐨勫嘲鍊奸�熺巼銆傚湪ITU 闂�(gu膩n) 浜嶪MT- Advanced 鐨勮(gu墨)鍔冧腑锛屾彁鍑轰簡涓嬭宄板�奸�熺巼 1Gbit/s銆佷笂琛�500Mbit/s 鐨勭洰妯�(bi膩o)锛屽苟灏囩郴绲�(t菕ng)鏀寔 甯跺涓嶅皬浜�40MHz 浣滅偤IMT- Advanced 绯荤当(t菕ng)鐨勬妧琛�(sh霉) 瑕佹眰涔嬩竴锛屽洜姝ら渶瑕佸皪LTE 鐨勭郴绲�(t菕ng)甯跺浣滈�蹭竴姝ョ殑 鎿村睍銆侺TE- Advanced 灏囬噰鐢ㄨ級娉㈣仛鍚堢殑鏂瑰紡瀵︾従(xi脿n)绯� 绲�(t菕ng)甯跺鐨勬摯灞�銆� 涓嬮潰鍏╁箙鍦栫郸鍑轰簡灏嶅鍊嬭級娉㈤�茶鑱氬悎鐨勫叐绋� 鍩烘湰褰㈠紡銆傚湒1 灏嶅湪闋绘涓婇�ｇ簩(x霉)鐨勫鍊嬭級娉㈤�茶鑱� 鍚�锛屽湪鍚勫�嬭級娉繚鎸丩TE 鍚庡悜鍏煎鐨勫悓鏅傦紝瀵︾従(xi脿n)浜� LTE- Advanced 鍏ㄧ郴绲�(t菕ng)甯跺鐨勬摯灞�銆傚湒2 鏄皪闋绘涓� 闈為�ｇ簩(x霉)鐨勫鍊嬭級娉㈤�茶鑱氬悎鐨勬儏娉�銆�
銆�銆�鐢变簬闋昏瓬瑕�(gu墨)鍔� 鍜屽垎閰嶇殑绲�(ji茅)鏋�锛屼竴鍊嬮亱鐕熷晢鎿佹湁鐨勯牷鐜囪硣婧愬彲鑳藉垎 鏁ｅ湪鍚勫�嬮潪閫ｇ簩(x霉)鐨勯牷娈点�傞潪閫ｇ簩(x霉)杓夋尝鐨勮仛鍚堟彁渚涗簡 涓�鍊嬬郴绲�(t菕ng)灏嶅垎鏁ｇ殑闋荤巼璩囨簮閫茶鏁村悎鍒╃敤鐨勮В姹烘柟 妗�銆傚彟澶栧�煎緱涓�鎻愮殑鏄�锛屽悓妯ｆ槸鍑轰簬灏嶉亱鐕熷晢鎵�鎿佹湁 鐨勯牷鐜囪硣婧愭儏娉佺殑鑰冩叜锛屽湪杓夋尝鑱氬悎涓悇鍊嬪柈浣嶈級 娉㈢殑甯跺骞朵笉闄愬畾鐐�20MHz锛屽彲浠ユ敮鎸佹洿灏忕殑閬搁爡 浠ユ彁渚涘厖鍒嗙殑闈堟椿鎬�銆�
銆�銆�杓夋尝鑱氬悎鐨勫熀鏈舰寮忎笉鍚屽皪绯荤当(t菕ng)瑷�(sh猫)瑷堟湁寰堝ぇ鐨� 褰遍熆锛屼緥濡傚皪杓夋尝鑱氬悎鍦ㄥ崝(xi茅)璀板姛鑳戒笂鐨勮ō(sh猫)瑷堝氨瀛樺湪涓�浜涘崁(q奴)鍒�銆�
銆�銆�鍦�3 瑾槑鍦∕AC 灞ら�茶鑱氬悎鏅�锛屽悇鍊嬪柈 鍏冭級娉㈤噰鐢ㄧ浉浜掔崹绔嬬殑HARQ 閫茬▼銆傝�屽湒4 瑾槑鐗� 鐞嗗堡閫茶鑱氬悎鏅�锛屾墍鏈夎級娉㈠皣閲囩敤鍚屼竴鍊婬ARQ 閫� 绋�銆傞�欎簺绯荤当(t菕ng)瑷�(sh猫)瑷堟柟闈㈢殑鍟忛閮芥槸鐩墠LTE- Advanced 鐨勭爺绌跺収(n猫i)瀹逛箣涓�銆�
銆�銆�1.2 澧炲挤鍨嬬殑MIMO
銆�銆�2.2.1 涓婅MIMO
銆�銆�鍦↙TE 涓�锛屼笂琛屽儏鏀寔鍠ぉ绶氱殑鐧�(f膩)閫�锛屼篃灏辨槸瑾� 涓嶆敮鎸丼U-MIMO銆傜偤浜嗘彁楂樹笂琛屽偝杓搁�熺巼锛屽悓鏅備篃 鐐轰簡婊胯冻IMT- Advanced 灏嶄笂琛屽嘲鍊奸牷璀滄晥鐜囩殑瑕� 姹傦紝LTE- Advanced 灏囧湪LTE 鐨勫熀绀�(ch菙)涓婂紩浜轰笂琛� SU-MIMO锛屽皣鏀寔鏈�澶�4 鍊嬬櫦(f膩)閫佸ぉ绶�銆�
銆�銆�2.2.2 涓嬭MIMO
銆�銆�LTE 涓嬭鍙互鏀寔鏈�澶�4 鍊嬬櫦(f膩)閫佸ぉ绶氾紝鑰� LTE- Advanced 灏囨渻鍦ㄦ鍩虹(ch菙)涓婇�蹭竴姝ュ寮蜂互鎻愰珮 涓嬭鍚炲悙閲�銆傜洰鍓嶇⒑瀹氬皣鎿村睍鍒版敮鎸佹渶澶�8 鍊嬬櫦(f膩)閫� 澶╃窔銆�
銆�銆�2.3 CoMP
銆�銆�LTE- Advanced 涓彁鍑虹殑鍗�(xi茅)浣滃紡澶氶粸鍌宠几鎶�琛�(sh霉) 锛堝嵆涓�鑸墍瑾殑CoMP锛孋oordinated MultiPoint transmission锛� reception锛� 鍙垎鐐哄垎甯冨紡澶╃窔绯荤当(t菕ng)锛圖isfributed Antenna System锛孌AS锛� 鍜屽崝(xi茅)浣滃紡MIMO 鍏╁ぇ椤炪��
銆�銆�DAS 鏀硅畩浜嗗偝绲�(t菕ng)铚傜绯荤当(t菕ng)涓泦涓紡澶╃窔绯荤当(t菕ng)鐨� 棰�(f膿ng)鏍�锛屽皣澶╃窔鍒嗘暎瀹夎锛屽啀鐢ㄥ厜绾栨垨鏄浕绾滃皣瀹冨�戦�ｆ帴鍒颁竴鍊嬩腑澶檿鐞嗗柈鍏冮�茶绲�(t菕ng)涓�鐨勬敹鐧�(f膩)淇¤櫉铏曠悊銆傞�欎娇寰楃櫦(f膩)閫佸姛鐜囧緱浠ラ檷浣�锛屾彁楂樻暣鍊嬬郴绲�(t菕ng)鐨勫姛鐜囦娇鐢ㄦ晥鐜�锛岄檷浣庡皬鍗�(q奴)闁撶殑骞叉摼绛�銆傚崝(xi茅)浣淢lMO 鏄皪鍌崇当(t菕ng)鐨勫熀浜庡柈鍩虹珯鐨凪IMO 鎶�琛�(sh霉)鐨勮鍏�锛屽畠閫氶亷鍩虹珯闁撳崝(xi茅)浣滅殑MIMO 鍌宠几渚嗛仈鍒版笡灏忓皬鍗�(q奴)闁撳共鎿�銆佹彁楂樼郴绲�(t菕ng)瀹归噺銆佹敼鍠勫皬鍗�(q奴)閭婄罚鐨勮钃嬪拰鐢ㄦ埗鏁�(sh霉)鎿�(j霉)閫熺巼鐨勭洰鐨勩�傝嫢骞插皬鍗�(q奴)鐨勫熀绔欎娇鐢ㄥ厜绾栨垨闆荤簻閫ｆ帴锛岄�氶亷鍗�(xi茅)浣滈�氫俊鑸囩敤鎴跺舰鎴愯櫅鎿琈IMO 绯荤当(t菕ng)銆傚悇鍩虹珯鐢变腑澶檿鐞嗗柈鍏冮�茶绲�(t菕ng)涓�鐨勮(di脿o)搴︽垨鑱�(li谩n)鍚堢殑淇¤櫉铏曠悊銆�
銆�銆�2.4 涓辜鎶�琛�(sh霉)
銆�銆�鎵�璎備腑绻兼妧琛�(sh霉)锛屽氨鏄皣涓�姊濆熀绔欒垏绉诲嫊鑷虹殑閺� 璺垎鍓茬偤鍩虹珯鑸囦腑绻肩珯鍜屼腑绻肩珯鑸囩Щ鍕曡嚭鍏╂閺� 璺紝寰炶�屾湁姗熸渻灏囦竴姊濊唱(zh矛)閲忚純宸殑閺堣矾鏇挎彌鐐哄叐姊� 璩�(zh矛)閲忚純濂界殑閺堣矾锛屼互鐛插緱鏇撮珮鐨勯張璺閲忓拰鏇村ソ鐨� 鍌宠几鏁堢巼銆傚湪LTE 涓殑灞�1 涓辜鍜屽堡2 涓辜鐨勫熀绀�(ch菙) 涓�锛孡TE- Advanced 鍙堝紩鍏ヤ簡涓�绋柊鐨勪腑绻兼柟寮忥細灞�3 涓辜銆�
銆�銆�灞�1 涓辜锛氫腑绻肩瘈(ji茅)榛炲彧鏄湪鐗╃悊灞や笂绨″柈鐨勬斁 澶ц綁(zhu菐n)鐧�(f膩)鎵�鎺ユ敹鐨勬瘮鐗规祦銆傚寘鎷櫔鑱诧紝灞�1 涓辜闆栫劧灏� 浜嶴INR 娌掓湁鏀瑰杽锛屼絾鏄檪寤跺緢灏�锛岃ō(sh猫)鍌欑啊鍠�锛屾垚鏈純 浣�銆� 灞�2 涓辜锛氫腑绻肩瘈(ji茅)榛炲湪MAC 灞ゅ皪鎺ユ敹鐨勬暩(sh霉)鎿�(j霉)濉� 瑙ｇ⒓锛岀劧鍚庡啀绶ㄧ⒓锛岃綁(zhu菐n)鐧�(f膩)銆傞�欐ǎ鏈夊埄浜庢敼鍠凷INR锛屼絾 鏄渻鏈夋槑椤殑鏅傚欢锛岃�屼笖閭勬渻澧炲姞瑷�(sh猫)鍌欑殑寰�(f霉)闆滃害銆�
銆�銆�灞�3 涓辜锛氫富瑕佹槸灏嶆帴鏀跺埌鐨処P 鏁�(sh霉)鎿�(j霉)鍖呴�茶杞�(zhu菐n) 鐧�(f膩)銆傝┎绋腑绻兼柟寮忓拰灞�2 涓辜寰堢浉鍍�锛屽悓妯ｆ渻寮曞叆鏅� 寤�锛屼笉鏈冩斁澶у櫔鑱诧紝鍏朵笉鍚屼箣铏曟槸鍦ㄦ(bi膩o)婧�(zh菙n)涓婁笉鏈冨紩鍏� 浠讳綍鏂扮殑绡�(ji茅)榛炴垨鏄帴鍙�锛屽洜鐐哄畠涓昏鏄緷闈燬1 鍜� X2 淇′护銆傚堡2 涓辜鍜屽堡3 涓辜鐨勬噳(y墨ng)鐢ㄥ牬鍚堜笉涓�妯ｏ紝 鍏╄�呭彲浠ョ浉浜掕鍏�銆�
銆�銆�2.5 瀹跺涵鍩虹珯
銆�銆�瀹跺涵鍩虹珯鐨勬噳(y墨ng)鐢ㄥ彲鑳藉皪LTE- Advanced 鐨勭浉闂�(gu膩n) 宸ヤ綔甯朵締鎸戞埌(zh脿n)銆備竴鏂归潰锛屽搴熀绔欑殑瀵嗛泦閮ㄧ讲銆侀噸鐤� 瑕嗚搵鏈冮�犳垚寰堝京(f霉)闆滅殑骞叉摼绲�(ji茅)妲�(g貌u)锛涘彟涓�鏂归潰锛岀敱浜庡搴� 鍩虹珯鐨勬墍鏈夋瑠(qu谩n)璁婂寲锛岄亱鐕熷晢鍙兘閮ㄥ垎鐨勫柂澶辩恫(w菐ng)瑕�(gu墨)銆佺恫(w菐ng) 鍎�(y艒u)鐨勬帶鍒舵瑠(qu谩n)锛屾洿鍔犲妵浜嗗共鎿炬帶鍒跺拰鎺ュ叆绠＄悊鐨勯洠搴�銆� 鍙﹀锛岀敱浜庡搴熀绔欑殑榫愬ぇ鏁�(sh霉)閲忥紝瑕佽�冩叜鐝�(xi脿n)鏈夌恫(w菐ng)绲�(lu貌)鏋� 妲�(g貌u)鏄惁鑳芥敮鎸佹捣閲忕殑鎺ュ彛?锛涱媱璋禓榛烇紝鐢氳嚦鏈夎榛炲缓 璀板皪瀹跺涵鍩虹珯閲囩敤鐩稿皪鐛ㄧ珛鐨勭恫(w菐ng)绲�(lu貌)绲�(ji茅)妲�(g貌u)銆�
銆�銆�2.6 鐗╃悊灞ゅ偝杓告妧琛�(sh霉)
銆�銆�鐢变簬鏄湪LTE 绯荤当(t菕ng)涓婄殑婕旈�诧紝LTE- Advanced 鍙兘鐒℃硶鎵惧埌鍏ㄦ柊鐨勫厛閫插偝杓告妧琛�(sh霉)锛屼絾浠嶅彲鑳藉湪鐝�(xi脿n)鏈夊偝杓告妧琛�(sh霉)鐨勫熀绀�(ch菙)涓婇�茶閫蹭竴姝ュ劒(y艒u)鍖朳7]銆傚皪浜庝笂琛屽鍧�鎶�琛�(sh霉)锛孡TE 涓昏鍑轰簬闄嶄綆PAPR鐨勮�冩叜閬哥敤浜哠C- FDMA锛岃�岄潪OFDM鎶�琛�(sh霉)浣滅偤涓婅澶氬潃鏂规銆備絾瀵﹂殯涓�锛屽湪浣嶴INR 鍫存櫙锛孫FDM鐨勯牷璀滄晥鐜囦粛鐒剁暐楂樹簬SC- FDMA锛孡TE- Advanced 绯荤当(t菕ng)鎵�鍋�(c猫)閲嶇殑瀹ゅ収(n猫i)銆佺啽榛炶钃嬶紝灏忓崁(q奴)閭婄罚鍟忛涓嶆槸鍗佸垎鍤�(y谩n)閲�锛屽彲浠ヨ�冩叜鍦ㄦ煇浜涘牬鏅噰鐢∣FDM浣滅偤涓婅澶氬潃鎶�琛�(sh霉)锛屾洿鏈夋晥鐨勬敮鎸佷笂琛岄珮闅嶮IMO 鍜孨ode B 鍏堥�叉帴鏀舵銆傚闅涗笂OFDM鑸嘢C- FDMA 鏄彲浠ュ湪涓�鍊嬬櫦(f膩)灏勬绲�(ji茅)妲�(g貌u)涓鐝�(xi脿n)鐨勶紝閫氶亷DFT 妯″鐨勫娓�锛屽湪鍏╃ó鎶�琛�(sh霉)涔嬮枔瀵︾従(xi脿n)鍒囨彌銆�
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