A design for OFDMA receiver

@inproceedings{citeulike:2709751, abstract = {In this paper, a design for OFDMA receiver is given. Timing synchronization is achieved by ML algorithm with Gold sequence and then multipath delay estimate is achieved by the correlation operation between the local training sequence and the sampled received signal. In order to decrease the overhead for channel estimation, multiple users are combined as a group to share the pilot subcarriers and Walsh codes are used as pilots for different users. For such user group, LS algorithm with the forward estimated delay is adopted to estimate the channels of users. The simulation results show that this receiver can achieve the timing synchronization, multipath delay estimate at low SNR and good BER performance with accurate channel estimation.}, author = {Zhang, Jianhua and He, Xueqi and Bai, Jie and Zhang, Ping }, booktitle = {Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st}, citeulike-article-id = {2709751}, doi = {10.1109/VETECS.2005.1543512}, journal = {Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st}, keywords = {design, ofdma, receiver}, pages = {1268--1272 Vol. 2}, posted-at = {2008-04-23 19:38:24}, priority = {2}, title = {A design for OFDMA receiver}, url = {http://dx.doi.org/10.1109/VETECS.2005.1543512}, volume = {2}, year = {2005} }

TY - CONF ID - citeulike:2709751 L3 - citeulike-article-id:2709751 TI - A design for OFDMA receiver T2 - Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st JF - Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st VL - 2 SP - 1268 EP - 1272 Vol. 2 N2 - In this paper, a design for OFDMA receiver is given. Timing synchronization is achieved by ML algorithm with Gold sequence and then multipath delay estimate is achieved by the correlation operation between the local training sequence and the sampled received signal. In order to decrease the overhead for channel estimation, multiple users are combined as a group to share the pilot subcarriers and Walsh codes are used as pilots for different users. For such user group, LS algorithm with the forward estimated delay is adopted to estimate the channels of users. The simulation results show that this receiver can achieve the timing synchronization, multipath delay estimate at low SNR and good BER performance with accurate channel estimation. KW - design KW - ofdma KW - receiver AU - Zhang, Jianhua AU - He, Xueqi AU - Bai, Jie AU - Zhang, Ping PY - 2005/// UR - http://dx.doi.org/10.1109/VETECS.2005.1543512 ER -