ON THE DESIGNOFCMFB TRANSCEIVERSFORUNKNOWN CHANNELS
Chih-Hao Liu, See-May Phoong, Yuan-Pei Lin · 2006
thecaseofCMFB transceivers. Inaddition, anewiterative algorithm that canincorporate thefrequency response criteria isproInthis paper, weconsider thecosine modulated filter bank(CMFB) posedfordsnincMFB treiverspwith highriR an goo transceiver forunknown channels. Although itisaCMFB trans- freduencydesignses. ceiver, theonlychannel dependent part ofthetransceiver isasetof frequency responses. , ~~~~~~~~~~~~~~~The propDosed CMFB transceivers differ fromother existing scalar multipliers atthereceiver, like theOFDM.Weshowhowto CMFB transceivers iifrs troposed esti optimize thetransmit andreceive prototype filters sothat thesignal Ma i transceiver is annel ideetlan thutreIsn tointerference ratio (SIR) ismaximized. Moreover anewobjecdesign anewC hchannel changes Seondly tivfuctin tat an ncoporte he reqenc repone citeia needtodesign anewCMFB whenthechannel changes. Secondly, tive function that canincorporate thefrequency response criteriaexcept forscalar multiplications nopostprocessing isneeded at isproposed. Simulation results showthat wecanobtain CMFB erceiver andhencth rnc respose oce iveft transceivers withhighSIRvalues andgoodfrequency responses. notbeafd byposproceng. will notbeaffected bypost processing. Notation: Theconjugate transpose ofamatrix A isdenoted by