Multicarrier multiple access is sum-rate optimal for block transmissions over circulant ISI channels

Shuichi Ohno; Georgios B. Giannakis; Zhi Quan Luo

doi:10.1109/JSAC.2005.864006

Multicarrier multiple access is sum-rate optimal for block transmissions over circulant ISI channels

Shuichi Ohno, Georgios B. Giannakis, Zhi Quan Luo

Electrical and Computer Engineering

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

4 Scopus citations

Abstract

Multicarrier multiple access with channel knowledge and prescribed power at the transmitters is shown to maximize the sum-rate for circulant intersymbol-interference (ISI) channels. A low-complexity iterative algorithm is derived for optimal subcarrier allocation to multiple users, while power is loaded per user by specializing an existing iterative algorithm to circulant ISI channels. It is analytically shown that each subcarrier should be allocated to the user having relatively better subcarrier gain and that different users may share certain subcarriers.

Original language	English (US)
Article number	1637730
Pages (from-to)	1256-1260
Number of pages	5
Journal	IEEE Journal on Selected Areas in Communications
Volume	24
Issue number	6
DOIs	https://doi.org/10.1109/JSAC.2005.864006
State	Published - Jun 2006

Bibliographical note

Funding Information:
Manuscript received April 1, 2005; revised October 1, 2005. This work was supported in part by the National Science Foundation under Grant 0105612. This paper was presented in part at the International Conference on Communications, New York, April 28–May 2, 2002.

Keywords

Channel capacity
Intersymbol interference
Multicarrier transmission
Multiple access

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10.1109/JSAC.2005.864006

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abstract = "Multicarrier multiple access with channel knowledge and prescribed power at the transmitters is shown to maximize the sum-rate for circulant intersymbol-interference (ISI) channels. A low-complexity iterative algorithm is derived for optimal subcarrier allocation to multiple users, while power is loaded per user by specializing an existing iterative algorithm to circulant ISI channels. It is analytically shown that each subcarrier should be allocated to the user having relatively better subcarrier gain and that different users may share certain subcarriers.",

keywords = "Channel capacity, Intersymbol interference, Multicarrier transmission, Multiple access",

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note = "Funding Information: Manuscript received April 1, 2005; revised October 1, 2005. This work was supported in part by the National Science Foundation under Grant 0105612. This paper was presented in part at the International Conference on Communications, New York, April 28–May 2, 2002.",

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AU - Giannakis, Georgios B.

AU - Luo, Zhi Quan

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AB - Multicarrier multiple access with channel knowledge and prescribed power at the transmitters is shown to maximize the sum-rate for circulant intersymbol-interference (ISI) channels. A low-complexity iterative algorithm is derived for optimal subcarrier allocation to multiple users, while power is loaded per user by specializing an existing iterative algorithm to circulant ISI channels. It is analytically shown that each subcarrier should be allocated to the user having relatively better subcarrier gain and that different users may share certain subcarriers.

KW - Channel capacity

KW - Intersymbol interference

KW - Multicarrier transmission

KW - Multiple access

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Multicarrier multiple access is sum-rate optimal for block transmissions over circulant ISI channels

Abstract

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Keywords

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