A new spreading matrix for Block Spread OFDM

Ibrahim S. Raad; Xiaojing Huang; Raad Raad

doi:10.1109/ICCS.2006.301471

A new spreading matrix for Block Spread OFDM

Ibrahim S. Raad, Xiaojing Huang, Raad Raad

School of Engineering

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

9 Citations (Scopus)

Abstract

This paper presents a new spreading matrix for Block Spread OFDM (BSOFDM) to improve the performance of the system by increasing the correlation between the symbols. This is achieved by rotating the modulation scheme used at the transmission, say QPSK, into a higher order modulation scheme, for example 16QAM. By this the correlation between the transmitted symbols is increased. The advantage of this new spreading matrix overmore traditional spreading matrices is its flexibility in achieving different higher order modulation schemes during transmission depending on the angle a. This is compared to other spreading matrices in frequency selective channel environment.

Original language	English
Title of host publication	2006 IEEE Singapore International Conference on Communication Systems, ICCS 2006
DOIs	https://doi.org/10.1109/ICCS.2006.301471
Publication status	Published - 2006
Event	10th IEEE Singapore International Conference on Communications Systems, ICCS 2006 - Singapore, Singapore Duration: 30 Oct 2006 → 1 Nov 2006

Other

Other	10th IEEE Singapore International Conference on Communications Systems, ICCS 2006
Country	Singapore
City	Singapore
Period	30/10/06 → 1/11/06

Keywords

BSOFDM
Frequency selective channel
Spreading matrix

Access to Document

10.1109/ICCS.2006.301471

Link to publication in Scopus

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abstract = "This paper presents a new spreading matrix for Block Spread OFDM (BSOFDM) to improve the performance of the system by increasing the correlation between the symbols. This is achieved by rotating the modulation scheme used at the transmission, say QPSK, into a higher order modulation scheme, for example 16QAM. By this the correlation between the transmitted symbols is increased. The advantage of this new spreading matrix overmore traditional spreading matrices is its flexibility in achieving different higher order modulation schemes during transmission depending on the angle a. This is compared to other spreading matrices in frequency selective channel environment.",

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AB - This paper presents a new spreading matrix for Block Spread OFDM (BSOFDM) to improve the performance of the system by increasing the correlation between the symbols. This is achieved by rotating the modulation scheme used at the transmission, say QPSK, into a higher order modulation scheme, for example 16QAM. By this the correlation between the transmitted symbols is increased. The advantage of this new spreading matrix overmore traditional spreading matrices is its flexibility in achieving different higher order modulation schemes during transmission depending on the angle a. This is compared to other spreading matrices in frequency selective channel environment.

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