Performance and throughput evaluation of a multi-Gbps millimeter-wave WPAN system in the presence of adjacent and co-channel interference (無線通信システム)
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概要
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This paper presents the performance evaluation of a multi-Gbps millimeter-wave wireless personal area network (WPAN) system in the presence of adjacent channel interference (ACI) and co-channel interference (CCI). The resistance of the system against ACI and CCI is investigated corresponding to different modulation schemes. In the presence of ACI, the amount of ACI that causes 0.5dB degradation in the required signal to noise ratio to achieve bit error rate of 10^<-6> for π/2-binary phase shift keying (π/2-BPSK), quadrature phase shift keying (QPSK), 8-phase shift keying (8-PSK) and 16-quadrature amplitude modulation (16-QAM) are 18, 12, 5.5 and 1.5dB respectively. As ACI increases, the system performance will saturate to BER of higher than 0.01. The ACI that saturates the BER to 0.01 for π/2-BPSK, QPSK, 8-PSK and 16-QAM are 27, 22, 17 and 12.5dB. On the other hand, CCI displays a more significant impact on the system performance. In the presence of CCI, the amount of CCI that causes 0.5dB degradation in the required signal to noise ratio to achieve bit error rate of 10-6 for π/2-BPSK, QPSK, 8-phase shift keying 8-PSK and 16-QAM are -17, -18, -24 and -26dB respectively. The CCI that saturates the BER to 0.01 are found to be -7, -10, -14 and -17dB. Besides performance evaluation, this paper also investigates the impact of ACI and CCI on system throughput. System throughput generally decreases as ACI and CCI increases. However, systems with higher modulation level display a more rapidly decreasing throughput compared to that with lower modulation level. In the presence of ACI, the throughput of 16-QAM decreases to that similar with 8-PSK at ACI=3dB, the throughput of 8-PSK to that similar with QPSK at ACI=7dB, and the throughput of QPSK to that similar with π/2-BPSK at ACI=13dB. Similarly, in the presence of CCI, the throughput of 16-QAM decreases to that similar with 8-PSK at CCI=-27dB, the throughput of 8-PSK to that similar with QPSK at CCI=-23dB, and the throughput of QPSK to that similar with π/2-BPSK at CCI=-17dB.
- 社団法人電子情報通信学会の論文
- 2008-08-20
著者
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SUM Chin-Sean
National Institute of Information and Communications Technology (NICT)
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RAHMAN Mohammad
National Institute of Information and Communications Technology (NICT)
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BAYKAS Tuncer
National Institute of Information and Communications Technology (NICT)
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WANG Junyi
National Institute of Information and Communications Technology (NICT)
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FUNADA Ryuhei
National Institute of Information and Communications Technology (NICT)
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HARADA Hiroshi
National Institute of Information and Communications Technology (NICT)
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KATO Shuzo
National Institute of Information and Communications Technology (NICT)
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Sum Chin
National Institute of Information and Communications Technology (NICT)
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Sum Chin‐sean
National Institute Of Information And Communications Technology (nict)
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ベイカス トンジュール
National Institute Of Information And Communications Technology (nict)
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Baykas Tuncer
Nict
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Wang Junyi
Nict
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Funada Ryuhei
National Inst. Information And Communications Technol. (nict) Kanagawa Jpn
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Funada Ryuhei
Graduate School Of Science And Engineering Chuo University
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Rahman M.
Ubiquitous Mobile Communications Group (UMCG) National Institute of Information and Communications T
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船田 龍平
情報通信研究機構
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Rahman M.
National Institute Of Information And Communications Technology(nict)
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Rahman Mohammad
National Inst. Information And Communications Technol. (nict) Yokosuka Jpn
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Kato Shuzo
Tohoku Univ. Sendai Jpn
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Wang Junyi
National Institute Of Information And Communications Technology
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Baykas Tuncer
National Institute Of Information And Communications Technology(nict) New Generation Wireless Commun
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Sun Chen
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Kato Shuzo
National Institute Of Information And Communications Technology
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Baykas Tuncer
National Inst. Of Information And Communications Technol. (nict) Yokosuka Jpn
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Harada Hiroshi
National Inst. Of Information And Communications Technol. (nict) Kanagawa Jpn
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Sum Chin‐sean
独立行政法人情報通信研究機構
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Rahman M.
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Rahman Azizur
National Institute Of Information And Communications Technology(nict)
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Kato Shuzo
Tohoku Univ. Sendai‐shi Jpn
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Harada Hiroshi
National Insitute Of Information And Communication Technology
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