Adaptive modulation and power allocation technique for LDPC-coded MIMO-OFDMA cellular systems

Kwang Soon Kim

doi:10.1093/ietcom/e88-b.11.4410

Adaptive modulation and power allocation technique for LDPC-coded MIMO-OFDMA cellular systems

Kwang Soon Kim

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

An adaptive transmission scheme, in which the work in [3] is extended to multiuser environment, is proposed for LDPC-coded MIMO-OFDMA cellular systems that employ FDD by considering active user selection and sub-channel power allocation. The performance of the proposed scheme is obtained from simulation and compared with that of the conventional scheme using mean SNR only. It is shown that the proposed scheme can provide up to 5.5 dB gain over the conventional scheme at the expense of only 6 more bits in feedback information.

Original language	English
Pages (from-to)	4410-4412
Number of pages	3
Journal	IEICE Transactions on Communications
Volume	E88-B
Issue number	11
DOIs	https://doi.org/10.1093/ietcom/e88-b.11.4410
Publication status	Published - 2005 Nov

All Science Journal Classification (ASJC) codes

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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AB - An adaptive transmission scheme, in which the work in [3] is extended to multiuser environment, is proposed for LDPC-coded MIMO-OFDMA cellular systems that employ FDD by considering active user selection and sub-channel power allocation. The performance of the proposed scheme is obtained from simulation and compared with that of the conventional scheme using mean SNR only. It is shown that the proposed scheme can provide up to 5.5 dB gain over the conventional scheme at the expense of only 6 more bits in feedback information.

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Adaptive modulation and power allocation technique for LDPC-coded MIMO-OFDMA cellular systems

Abstract

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