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High-rate codes with bounded PMEPR for BPSK and other symmetric constellations

Sharif, Masoud and Hassibi, Babak (2006) High-rate codes with bounded PMEPR for BPSK and other symmetric constellations. IEEE Transactions on Communications, 54 (7). pp. 1160-1163. ISSN 0090-6778. doi:10.1109/TCOMM.2006.877964.

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In this letter, we consider the problem of constructing high-rate codes with low peak-to-mean-envelope power ratio (PMEPR) for multicarrier signals. Assuming coefficients of the multicarrier signal are chosen from a symmetric q-ary constellation, we construct codes with rate 1-(1/r)log/sub q/2 and PMEPR of less than crlogn for any r and n, where n is the number of subcarriers and c is a constant independent of n and r. The construction is based on dividing n subcarriers into n/r groups of r subcarriers and choosing a sign for each group to minimize the PMEPR. The signs are chosen using a variation of the algorithm proposed by the authors in previous papers. For large n, we can, in fact, construct a code with a rate of 1-O(1/logn) and PMEPR of less than clog/sup 2/n. For binary phase-shift-keying-modulated signals, this partially solves the problem posed by Litsyn and implies a construction of 2/sup n/2/ codewords with PMEPR less than 2clogn.

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Additional Information:© Copyright 2006 IEEE. Reprinted with permission. Paper approved by Y. Li, the Editor for Wireless Communications Theory of the IEEE Communications Society. Manuscript received May 5, 2004; revised January 5, 2005. [Posted online: 2006-07-17] This work was supported in part by the National Science Foundation under Grant CCR-0133818, in part by the Office of Naval Research under Grant N00014-02-1-0578, and in part by Caltech’s Lee Center for Advanced Networking.
Subject Keywords:BPSK; binary phase-shift-keying-modulated signals; high-rate codes; multicarrier signals; peak-to-mean-envelope power ratio; symmetric constellations
Issue or Number:7
Record Number:CaltechAUTHORS:SHAieeetc06
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4430
Deposited By: Archive Administrator
Deposited On:22 Aug 2006
Last Modified:08 Nov 2021 20:17

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