Luo Wu, Shen Chang, Liang Qing-lin. A Reduced Complexity Timing Tracking Scheme for Multi-Carrier CDMA Signals Based on Samples Selecting and Vector Rotation[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1238-1241.
Citation:
Luo Wu, Shen Chang, Liang Qing-lin. A Reduced Complexity Timing Tracking Scheme for Multi-Carrier CDMA
Signals Based on Samples Selecting and Vector Rotation[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1238-1241.
Luo Wu, Shen Chang, Liang Qing-lin. A Reduced Complexity Timing Tracking Scheme for Multi-Carrier CDMA Signals Based on Samples Selecting and Vector Rotation[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1238-1241.
Citation:
Luo Wu, Shen Chang, Liang Qing-lin. A Reduced Complexity Timing Tracking Scheme for Multi-Carrier CDMA
Signals Based on Samples Selecting and Vector Rotation[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1238-1241.
A reduced-complexity all-digital timing tracking scheme suited for multi-carrier CDMA signals is proposed and studied. Based on samples selecting and vector rotation of correlation output vector at only on time channel, timing error detection statistics are approximately acquired and timing adjustment are carried out. Theoretical and numerical results show that the new scheme has an improved performance and remarkable complexity simplicity as compared with the classical digital delay-locked loop.
Hara S, Prasad R. Overview of multicarrier CDMA. IEEE Communication Magazine, 1997, 35(12): 126-133.[2]Kondo S, Milstein L B. Performance of multicarrier DS CDMA systems[J].IEEE Trans. on Communications.1996, 44(2):238-246[3]Schmidl T M, Cox D C. Robust frequency and timing synchronization for OFDM[J].IEEE Trans. on Communications.1997, 45(12):1613-1621[4]Minn H, Zeng M, et al.. On timing offset estimation for OFDM systems[J].IEEE Communications Letters.2000, 4(7):242-244[5]曹叶文, 项海格. 多载波频率分集扩展频谱通信的同步原理分析. 通信学报, 1997, 18(1): 34-39.[6]汪晓阳, 张朝阳等. 利用采样点选择法实现DS-CDMA中频接收机的码片同步. 电路与系统学报, 2000, 5(1): 95-99.[7]Gaudenzi R D, Luise M. A digital chip timing recovery loop for band-limited direct sequence spread spectrum signals[J].IEEE Trans. on Communications.1993, 41(11):1760-1769