Adjacent channel interference cancelation in fractional sampling OFDM receiver

Hiroyuki Osada; Haruki Nishimura; Mamiko Inamori; Yukitoshi Sanada

doi:10.1109/VETECF.2011.6093063

Adjacent channel interference cancelation in fractional sampling OFDM receiver

Hiroyuki Osada, Haruki Nishimura, Mamiko Inamori, Yukitoshi Sanada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

13 Citations (Scopus)

Abstract

A diversity scheme with Fractional Sampling (FS) in OFDM receivers has been investigated recently. In the previous literature it has been shown that performance improvement with path diversity through FS depends on the bandwidth of the total channel response including transmit and receive baseband filters. However, if the signal on the adjacent channel exists, that signal causes interference to the desired signal with FS. In this paper, an adjacent channel interference cancellation scheme has been proposed for the FS OFDM receiver. The proposed scheme demodulates the signal on the adjacent channel and regenerates it to be subtracted from the received signal. Numerical results through computer simulation show that the proposed scheme achieves BER improvement under low signal-to-interference-ratio (SIR) conditions.

Original language	English
Title of host publication	2011 IEEE Vehicular Technology Conference Fall, VTC Fall 2011 - Proceedings
DOIs	https://doi.org/10.1109/VETECF.2011.6093063
Publication status	Published - 2011 Dec 23
Event	IEEE 74th Vehicular Technology Conference, VTC Fall 2011 - San Francisco, CA, United States Duration: 2011 Sep 5 → 2011 Sep 8

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	IEEE 74th Vehicular Technology Conference, VTC Fall 2011
Country	United States
City	San Francisco, CA
Period	11/9/5 → 11/9/8

Keywords

Fractional Sampling
Interference Cancellation
OFDM
Path Diversity

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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Adjacent channel interference cancelation in fractional sampling OFDM receiver. / Osada, Hiroyuki; Nishimura, Haruki; Inamori, Mamiko; Sanada, Yukitoshi.

2011 IEEE Vehicular Technology Conference Fall, VTC Fall 2011 - Proceedings. 2011. 6093063 (IEEE Vehicular Technology Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Osada, H, Nishimura, H, Inamori, M & Sanada, Y 2011, Adjacent channel interference cancelation in fractional sampling OFDM receiver. in 2011 IEEE Vehicular Technology Conference Fall, VTC Fall 2011 - Proceedings., 6093063, IEEE Vehicular Technology Conference, IEEE 74th Vehicular Technology Conference, VTC Fall 2011, San Francisco, CA, United States, 11/9/5. https://doi.org/10.1109/VETECF.2011.6093063

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abstract = "A diversity scheme with Fractional Sampling (FS) in OFDM receivers has been investigated recently. In the previous literature it has been shown that performance improvement with path diversity through FS depends on the bandwidth of the total channel response including transmit and receive baseband filters. However, if the signal on the adjacent channel exists, that signal causes interference to the desired signal with FS. In this paper, an adjacent channel interference cancellation scheme has been proposed for the FS OFDM receiver. The proposed scheme demodulates the signal on the adjacent channel and regenerates it to be subtracted from the received signal. Numerical results through computer simulation show that the proposed scheme achieves BER improvement under low signal-to-interference-ratio (SIR) conditions.",

keywords = "Fractional Sampling, Interference Cancellation, OFDM, Path Diversity",

author = "Hiroyuki Osada and Haruki Nishimura and Mamiko Inamori and Yukitoshi Sanada",

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AU - Osada, Hiroyuki

AU - Nishimura, Haruki

AU - Inamori, Mamiko

AU - Sanada, Yukitoshi

PY - 2011/12/23

Y1 - 2011/12/23

N2 - A diversity scheme with Fractional Sampling (FS) in OFDM receivers has been investigated recently. In the previous literature it has been shown that performance improvement with path diversity through FS depends on the bandwidth of the total channel response including transmit and receive baseband filters. However, if the signal on the adjacent channel exists, that signal causes interference to the desired signal with FS. In this paper, an adjacent channel interference cancellation scheme has been proposed for the FS OFDM receiver. The proposed scheme demodulates the signal on the adjacent channel and regenerates it to be subtracted from the received signal. Numerical results through computer simulation show that the proposed scheme achieves BER improvement under low signal-to-interference-ratio (SIR) conditions.

AB - A diversity scheme with Fractional Sampling (FS) in OFDM receivers has been investigated recently. In the previous literature it has been shown that performance improvement with path diversity through FS depends on the bandwidth of the total channel response including transmit and receive baseband filters. However, if the signal on the adjacent channel exists, that signal causes interference to the desired signal with FS. In this paper, an adjacent channel interference cancellation scheme has been proposed for the FS OFDM receiver. The proposed scheme demodulates the signal on the adjacent channel and regenerates it to be subtracted from the received signal. Numerical results through computer simulation show that the proposed scheme achieves BER improvement under low signal-to-interference-ratio (SIR) conditions.

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KW - Interference Cancellation

KW - OFDM

KW - Path Diversity

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Adjacent channel interference cancelation in fractional sampling OFDM receiver

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Keywords

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