Please use this identifier to cite or link to this item:
|Title:||Soft QRD-M decoding for coded IFDMA systems|
|Citation:||Png, K.-B., Peng, X., Chin, F., Ko, C.C. (2009). Soft QRD-M decoding for coded IFDMA systems. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC : -. ScholarBank@NUS Repository. https://doi.org/10.1109/PIMRC.2009.5449779|
|Abstract:||In this paper, a low complexity a posterior probability (APP) detector based on breadth-first tree search algorithm is purposed for coded interleaved frequency division multiple access (IFDMA) system. The proposed detector combines the principles of the M-algorithm with QR decomposition (QRD-M) to generate soft decision statistics in place of the full APP detector which has a high computational cost. We first demonstrate that an IFDMA system can be viewed as a MIMO system at the receiver and then derive the proposed detector. Simulated results show that the bit error rate (BER) performance of a system using the proposed QRD-M detector performs better than a system using frequency domain equalizer, especially for channels with greater diversity. Moreover, the simulated BER performance exhibits similar diversity order as the maximum channel diversity order. ©2009 IEEE.|
|Source Title:||IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Feb 13, 2019
checked on Jan 12, 2019
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.