鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫�(ch菐ng)缍�(w菐ng)
鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)
銆�銆�WiMAX鎶�琛�(sh霉)鏄互IEEE802.16绯诲垪妯�(bi膩o)婧�(zh菙n)鐐哄熀绀�(ch菙)鐨勫甯�鐒＄窔鎺ュ叆鎶�琛�(sh霉)锛岃繎鍏╁勾鐧�(f膩)灞曡繀閫燂紝骞堕�愭几鎴愮偤鍩庡煙?q奴)鎷殿潳o绶氭帴鍏ユ妧琛�(sh霉)鐨勭櫦(f膩)灞曠啽榛�(di菐n)銆俉iMAX绯荤当(t菕ng)涓昏鏈夊叐鍊�(g猫)鎶�琛�(sh霉)妯�(bi膩o)婧�(zh菙n)锛屼竴鍊�(g猫)鏄豢瓒冲浐瀹氬甯剁劇绶氭帴鍏ョ殑WiMAX802.16d妯�(bi膩o)婧�(zh菙n)锛屽彟涓�鍊�(g猫)鏄豢瓒冲浐瀹氬拰绉诲嫊(d貌ng)鐨勫甯剁劇绶氭帴鍏ユ妧琛�(sh霉)WiMAX802.16e妯�(bi膩o)婧�(zh菙n)銆�
銆�銆�(1)OFDM/OFDMA
銆�銆�姝ｄ氦闋诲垎寰�(f霉)鐢∣FDM鏄竴绋珮閫熷偝杓告妧琛�(sh霉)锛屾槸鏈締鐒＄窔瀵付鎺ュ叆绯荤当(t菕ng)/涓嬩竴浠ｈ渹绐╃Щ鍕�(d貌ng)绯荤当(t菕ng)鐨勯棞(gu膩n)閸垫妧琛�(sh霉)涔嬩竴銆傚湪WiMAX绯荤当(t菕ng)涓�锛孫FDM /OFDMA鎶�琛�(sh霉)鐐虹墿鐞嗗堡鎶�琛�(sh霉)銆侽FDMA绯荤当(t菕ng)鍙互鏀寔闀峰害鐐�2048锛�1024锛�512鍜�128鐨凢FT榛�(di菐n)鏁�(sh霉)銆傞�氬父鍚戜笅鏁�(sh霉)鎿�(j霉)娴佽鍒嗙偤閭忚集鏁�(sh霉)鎿�(j霉)娴�锛岄�欎簺鏁�(sh霉)鎿�(j霉)娴佸彲浠ラ噰鐢ㄤ笉鍚岀殑瑾�(di脿o)鍒跺強绶ㄧ⒓鏂瑰紡锛屼互鍙婁互涓嶅悓淇¤櫉(h脿o)鍔熺巼鎺ュ叆涓嶅悓淇￠亾鐗瑰緛鐨勭敤鎴剁;鍚戜笂鏁�(sh霉)鎿�(j霉)娴佸瓙淇￠亾閲囩敤澶氬潃鏂瑰紡鎺ュ叆锛岄�氶亷涓嬭鐧�(f膩)閫佺殑濯掕唱(zh矛)鎺ュ叆?y煤n)f(xi茅)璀癕AP 鍒嗛厤瀛愪俊閬撳偝杓镐笂琛屾暩(sh霉)鎿�(j霉)娴�銆�
銆�銆�(2)HARQ
銆�銆�HARQ鎶�琛�(sh霉)鍥�?y脿n)妯樺玻鍚＄l璀滄晥鐜�锛屾墍浠ュ彲浠ユ槑椤彁楂樼郴绲�(t菕ng)鍚炲悙閲�锛屽悓鏅�(sh铆)鍥�?y脿n)姗硅矋楠烘ⅱ瑭潌鐮楀枩鈷冮矄?锛岄枔鎺ユ摯(ku貌)澶т簡绯荤当(t菕ng)鐨勮钃嬭寖鍦嶃��16e涓彧鏀寔鍗风⿳纰�(CC)銆佸嵎绌峊urbo纰�(CTC)鐨凥ARQ鏂瑰紡銆�
銆�銆�(3)AMC
銆�銆�AMC鍦╓iMAX鐨勬噳(y墨ng)鐢ㄤ腑鏈夊叾鐗规湁鐨勬妧琛�(sh霉)瑕佹眰锛岀敱浜嶢MC鎶�琛�(sh霉)闇�瑕佹牴鎿�(j霉)淇￠亾姊濅欢渚嗗垽鏂峰皣瑕侀噰鐢ㄧ殑绶ㄧ⒓鏂规鍜岃(di脿o)鍒舵柟妗�锛屾墍浠MC鎶�琛�(sh霉)蹇呴爤鏍规摎(j霉) WiMAX鐨勬妧琛�(sh霉)鐗瑰緛渚嗗(sh铆)鐝�(xi脿n)AMC鍔熻兘銆傝垏CDMA鎶�琛�(sh霉)涓嶅悓鐨勬槸锛岀敱浜嶹iMAX鐗╃悊灞ら噰鐢ㄧ殑鏄疧FDM鎶�琛�(sh霉)锛屾墍浠ユ檪(sh铆)寤舵摯(ku貌)灞�銆佸鏅嫆闋荤Щ銆佸皬鍗�(q奴)鐨勫共鎿惧拰 PAPR鍊肩瓑灏�(du矛)浜嶰FDM瑙ｈ(di脿o)鎬ц兘鏈夐噸瑕佸奖闊跨殑淇￠亾鍥犵礌蹇呴爤琚�冩叜鍒癆MC绠楁硶涓�锛岀敤浜庤(di脿o)鏁寸郴绲�(t菕ng)绶ㄧ⒓瑾�(di脿o)鍒舵柟寮�锛岄仈(d谩)鍒扮郴绲�(t菕ng)鐬檪(sh铆)鎬ц兘銆�
銆�銆�(4)MIMO
銆�銆�灏�(du矛)浜庢湭渚嗙Щ鍕�(d貌ng)閫氫俊绯荤当(t菕ng)鑰岃█锛屽浣曡兘澶犲湪闈炶璺濆拰鎯″姡淇￠亾涓嬩繚璀夐珮鐨凲oS鏄竴鍊�(g猫)闂�(gu膩n)閸靛晱椤�锛屼篃鏄Щ鍕�(d貌ng)閫氫俊闋�(l菒ng)鍩熺殑鐮旂┒閲嶉粸(di菐n)銆傚皪(du矛)浜嶴ISO绯荤当(t菕ng)锛屽鏋滆婊胯冻涓婅堪瑕佹眰灏遍渶瑕佽純澶氱殑闋昏瓬璩囨簮鍜屽京(f霉)闆滅殑绶ㄧ⒓瑾�(di脿o)鍒舵妧琛�(sh霉)锛岃�岄牷璀滆硣婧愮殑鏈夐檺鍜岀Щ鍕�(d貌ng)绲傜鐨勭壒鎬ч兘鍒剁磩钁桽ISO绯荤当(t菕ng)鐨勭櫦(f膩)灞曪紝鎵�浠IMO鏄湭渚嗙Щ鍕�(d貌ng)閫氫俊鐨勯棞(gu膩n)閸垫妧琛�(sh霉)銆侻IMO鎶�琛�(sh霉)涓昏鏈夊叐绋〃鐝�(xi脿n)褰㈠紡锛屽嵆绌洪枔寰�(f霉)鐢ㄥ拰绌烘檪(sh铆)绶ㄧ⒓锛岄�欏叐绋舰寮忓湪WiMAX鍗�(xi茅)璀颁腑閮藉緱鍒颁簡鎳�(y墨ng)鐢�銆傚崝(xi茅)璀伴倓绲﹀嚭浜嗗悓鏅�(sh铆)浣跨敤绌洪枔寰�(f霉)鐢ㄥ拰绌烘檪(sh铆)绶ㄧ⒓鐨勫舰寮�銆侻IMO鎶�琛�(sh霉)鑳介’钁楀湴鎻愰珮绯荤当(t菕ng)鐨勫閲忓拰闋昏瓬鍒╃敤鐜囷紝鍙互澶уぇ鎻愰珮绯荤当(t菕ng)鐨勬�ц兘锛屾槸鏈締绉诲嫊(d貌ng)閫氫俊鐧�(f膩)灞曠殑涓�鍊�(g猫)閲嶈鏂瑰悜銆�
銆�銆�(1)鈥滅獊鐧�(f膩)鈥濊几鍑哄姛鐜囥��
銆�銆�(2)闋荤巼瑾ゅ樊銆傞牷鐜囪宸彲浠ョ敤鐩稿皪(du矛)浜庨牷璀滃剙涓績闋荤巼鐨勮級娉㈤牷鐜囪宸締鎻忚堪銆傛敹鐧�(f膩)淇℃(j墨)闁撶殑闋荤巼瑾ゅ樊灏囧紩璧峰悇鍊�(g猫)瀛愯級娉㈤牷璀滅浉灏�(du矛)浜庢帴鏀舵(j墨)FFT闋荤巼鐨勭Щ鍕�(d貌ng)锛岀敘(ch菐n)鐢熻級娉㈤枔骞叉摼(ICI)銆�
銆�銆�(3)绗﹁櫉(h脿o)鏅�(sh铆)閻樿宸�傛寚鐩稿皪(du矛)浜庣郴绲�(t菕ng)閲囨ǎ鏅�(sh铆)閻樼殑鍙冭�冪铏�(h脿o)鏅�(sh铆)閻樿垏瀵�(sh铆)闅涙脯(c猫)閲忕殑绗﹁櫉(h脿o)鏅�(sh铆)閻樹箣宸�銆傚鏋滅铏�(h脿o)鏅�(sh铆)閻樻瘮鍙冭�冩檪(sh铆)閻樹綆鏈�(hu矛)浣縊FDM淇¤櫉(h脿o)姣旀墍瑕佹眰鐨勯暦锛屽紩璧峰瓙杓夋尝闁撹窛娓涘皬;鍙嶄箣锛屽墖寮曡捣瀛愯級娉㈤枔璺濆鍔�銆傚叐绋儏娉侀兘鐢�(ch菐n)鐢熻級娉㈤枔骞叉摼锛屼娇淇¤櫉(h脿o)鐨凟VM鎬ц兘鎯″寲銆�
銆�銆�(4)EVM(瑾ゅ樊鐭㈤噺骞呭害)銆傞�欐槸鏈�閲嶈鐨勬脯(c猫)瑭﹀弮鏁�(sh霉)涔嬩竴锛屼互淇濊瓑鏀惧ぇ鍣ㄥ湪杓稿嚭瓒冲鍔熺巼鐨勫悓鏅�(sh铆)鐛插緱鑹ソ鐨勪俊铏�(h脿o)璩�(zh矛)閲�銆侲VM鐨勭祼(ji茅)鏋滃彲浠ュ皪(du矛)鎵�鏈夎級娉��佹暩(sh霉)鎿�(j霉)杓夋尝鍜屽皫(d菐o)闋昏級娉�銆�
銆�銆�(5)ACPR(閯颁俊閬撳姛鐜囨瘮)銆侫CPR鎸囩浉閯颁俊閬撴脯(c猫)寰楃殑鍔熺巼鑸囦富淇￠亾鍔熺巼涔嬫瘮锛屽弽鏄犳斁澶у櫒澶辩湡灏�(du矛)閯颁俊閬撶殑骞叉摼銆�
銆�銆�(6)闋昏瓬骞冲潶搴︺�傚弽鏄燱iMAX淇¤櫉(h脿o)瀛愯級娉㈢殑鍔熺巼璁婂寲锛屽畠娓�(c猫)閲忔瘡鍊�(g猫)瀛愯級娉㈢殑骞冲潎鍔熺巼灏�(du矛)鎵�鏈夊瓙杓夋尝骞冲潎鍔熺巼鐨勫亸闆���
銆�銆�(7)闋昏瓬宸�(Spectrum Difference)銆傛脯(c猫)閲忕獊鐧�(f膩)鍓嶅皫(d菐o)閮ㄥ垎鐩搁劙瀛愯級娉㈢殑鍔熺巼宸暟銆�
銆�銆�(8)闋昏瓬妯℃澘(Spectrum Mask)銆傛脯(c猫)閲忕櫦(f膩)淇℃(j墨)鐧�(f膩)灏勯牷璀滅殑鈥滆吉寤撯��锛屼互淇濊瓑涓讳俊閬撳娌掓湁閬庡鐨勫姛鐜囩櫦(f膩)灏�銆�
銆�銆�鈼忎俊铏�(h脿o)婧愶細浣跨敤R&S淇¤櫉(h脿o)婧怱MU200A鎴朣MJ100A骞跺姞涓婄浉鎳�(y墨ng)閬镐欢K49锛屽氨鍙互鏂逛究鍦扮敘(ch菐n)鐢�802.16 -2004-OFDM锛學IMAX 802.16e OFDMA鍜學IBRO淇¤櫉(h脿o)銆傚叾涓�锛孲MU200A闄ゅ叿鏈夌殑灏勯牷鍙婂熀甯舵�ц兘澶栵紝閭勫付鏈夊挤(qi谩ng)澶х殑琛拌惤妯℃摤鍔熻兘锛屾洿閬╁悎鐮旂櫦(f膩)浣跨敤銆�
銆�銆�鈼忛牷璀滃剙锛歊&S FSQ绯诲垪闋昏瓬鍎�鍙婇伕浠禦&S FSQ-K92鍙敮鎸� 802.16-2004-OFDM淇¤櫉(h脿o)鍒嗘瀽;鎴栬�呬娇鐢≧&S FSQ鍙婇伕浠禙SQ-K93锛屽彲浠ユ敮鎸乄iMAX 802.16e OFDMA鍜學IBRO淇¤櫉(h脿o)鐨勫垎鏋�;涔熷彲閬告搰R&S FSL绯诲垪闋昏瓬鍎�鍙婇伕浠禦&S FSL-K92锛屾敮鎸�802.16-2004-OFDM淇¤櫉(h脿o)鐨勫垎鏋�銆�
銆�銆�鈼忓厤璨�(f猫i)鐨勫閮≒C杌熶欢DemoMeas_WiMAX(鍙互寰濺&S缍�(w菐ng)闋亀ww.rohde-schwarz.com涓嬭級)锛氬畠閫氶亷GPIB鎴朙AN鎺у埗R&S淇¤櫉(h脿o)婧�(SMU200鎴朣MJ100)鍜岄牷璀滃剙(FSQ鎴朏SL)銆傜敤鎴跺彧闇�鍦ㄥ乏閭婃瑒鐩伕鎿囧緟娓�(c猫)鐨勫弮鏁�(sh霉)锛岃粺浠跺彲鑷嫊(d貌ng)瀹屾垚娓�(c猫)瑭︽墍闇�鐨勮ō(sh猫)缃�锛岃�屼笖鍙悓鏅�(sh铆)鐢熸垚娓�(c猫)瑭﹀牨(b脿o)鍛�銆�
銆�銆�WiMAX璜栧鐨勭洰妯�(bi膩o)鏄妸IEEE802.16妯�(bi膩o)婧�(zh菙n)杞�(zhu菐n)鍖栫偤瀵�(sh铆)闅涚殑鎳�(y墨ng)鐢�銆傚畠鏄敱鍒堕�犲晢鍜岀恫(w菐ng)绲�(lu貌)閬�(y霉n)鐕熷晢绲勬垚鐨勬キ(y猫)鐣屽崝(xi茅)鏈�(hu矛)锛岃檿鐞嗛櫎浜嗙磾鎶�琛�(sh霉)鐨処EEE妯�(bi膩o)婧�(zh菙n)浠ュ鐨刉iMAX鍏朵粬鎵�鏈夌浉闂�(gu膩n)鏂归潰銆傚皪(du矛)WiMAX鍩虹珯鍜岀祩绔殑鐢�(ch菐n)鍝佽獚(r猫n)璀夋槸璜栧鐨勪竴鍊�(g猫)閲嶈宸ヤ綔銆傚畠鐨勭洰妯�(bi膩o)鏄繚璀塛iMAX鏈嶅嫏(w霉)鍦ㄥ叏鐞冪殑鍙敤鎬у拰鍙潬鎬�銆備竴鍊�(g猫)鐩搁棞(gu膩n)鐨勮獚(r猫n)璀夊伐浣滅祫CWG璨�(f霉)璨�(z茅)濡備笅鐩搁棞(gu膩n)鐨勫伐浣滐細瀹氱京瑾�(r猫n)璀夊拰娓�(c猫)瑭﹂亷绋�;鍒楀嚭闇�瑕佺殑娓�(c猫)瑭︾敤渚嬫竻鍠�;閬告搰娓�(c猫)瑭︽(j墨)妲�(g貌u);閬告搰涓�鑷存�ф脯(c猫)瑭︾郴绲�(t菕ng)绛�銆�
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