The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
본 논문에서는 실제 신호 대 간섭 전력비(SIR) 추정을 기반으로 OFCDM(Orthogonal Frequency and Code Division Multiplexing)에서 파일럿 채널 지원 최소 평균 제곱 오류(MMSE) 결합 방식을 제안하고 광대역 채널에서의 처리량 성능을 조사합니다. 거의 100MHz 대역폭을 갖습니다. 제안된 MMSE 결합 방식에서는 시간 다중화된 공통 신호를 이용하여 코드 다중화된 모든 채널에 대한 채널 이득, 잡음 전력 및 전송 전력 비율로부터 각 부반송파 구성 요소의 결합 가중치를 정확하게 추정합니다. 코딩된 데이터 채널 외에 파일럿 채널도 포함됩니다. 시뮬레이션 결과는 비트 대 잡음 스펙트럼 밀도 비율당 필요한 평균 수신 신호 에너지(Eb/N0) 평균 패킷 오류율(PER) = 10-2 격리된 셀 환경에서 0.6 경로 레일리 페이딩 채널(지수 감쇠 경로 모델, 최대 지연 시간은 약 1.2μsec)에서 기존 EGC(등이득 결합) 대신 제안된 MMSE 결합을 사용하여 24 및 1dB 향상되었습니다. , 다중화된 코드의 개수는 각각 8개와 32개이고, 확산 계수는 32일 때. 또한, 수신된 평균이 Eb/N0 = 10dB, 달성 가능한 처리량, 즉 평균 PER에 대해 동시에 다중화된 코드 수 = 10-2 제안된 MMSE 결합에서는 기존 EGC에 비해 약 1.3배 증가한다.
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부
Noriyuki MAEDA, Hiroyuki ATARASHI, Sadayuki ABETA, Mamoru SAWAHASHI, "Pilot Channel Assisted MMSE Combining in Forward Link for Broadband OFCDM Packet Wireless Access" in IEICE TRANSACTIONS on Fundamentals,
vol. E85-A, no. 7, pp. 1635-1646, July 2002, doi: .
Abstract: This paper proposes a pilot channel assisted minimum mean square error (MMSE) combining scheme in orthogonal frequency and code division multiplexing (OFCDM) based on actual signal-to-interference power ratio (SIR) estimation, and investigates the throughput performance in a broadband channel with a near 100-MHz bandwidth. In the proposed MMSE combining scheme, the combining weight of each sub-carrier component is accurately estimated from the channel gain, noise power, and transmission power ratio of all the code-multiplexed channels to the desired one, by exploiting the time-multiplexed common pilot channel in addition to the coded data channel. Simulation results elucidate that the required average received signal energy per bit-to-noise spectrum density ratio (Eb/N0) for the average packet error rate (PER) = 10-2 is improved by 0.6 and 1.2 dB by using the proposed MMSE combining instead of the conventional equal gain combining (EGC) in a 24-path Rayleigh fading channel (exponential decay path model, maximum delay time is approximately 1 µsec) in an isolated cell environment, when the number of multiplexed codes = 8 and 32, respectively, with the spreading factor of 32. Furthermore, when the average received Eb/N0 = 10 dB, the achievable throughput, i.e., the number of simultaneously multiplexed codes for the average PER = 10-2 in the proposed MMSE combining, is increased by approximately 1.3 fold that of the conventional EGC.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e85-a_7_1635/_p
부
@ARTICLE{e85-a_7_1635,
author={Noriyuki MAEDA, Hiroyuki ATARASHI, Sadayuki ABETA, Mamoru SAWAHASHI, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Pilot Channel Assisted MMSE Combining in Forward Link for Broadband OFCDM Packet Wireless Access},
year={2002},
volume={E85-A},
number={7},
pages={1635-1646},
abstract={This paper proposes a pilot channel assisted minimum mean square error (MMSE) combining scheme in orthogonal frequency and code division multiplexing (OFCDM) based on actual signal-to-interference power ratio (SIR) estimation, and investigates the throughput performance in a broadband channel with a near 100-MHz bandwidth. In the proposed MMSE combining scheme, the combining weight of each sub-carrier component is accurately estimated from the channel gain, noise power, and transmission power ratio of all the code-multiplexed channels to the desired one, by exploiting the time-multiplexed common pilot channel in addition to the coded data channel. Simulation results elucidate that the required average received signal energy per bit-to-noise spectrum density ratio (Eb/N0) for the average packet error rate (PER) = 10-2 is improved by 0.6 and 1.2 dB by using the proposed MMSE combining instead of the conventional equal gain combining (EGC) in a 24-path Rayleigh fading channel (exponential decay path model, maximum delay time is approximately 1 µsec) in an isolated cell environment, when the number of multiplexed codes = 8 and 32, respectively, with the spreading factor of 32. Furthermore, when the average received Eb/N0 = 10 dB, the achievable throughput, i.e., the number of simultaneously multiplexed codes for the average PER = 10-2 in the proposed MMSE combining, is increased by approximately 1.3 fold that of the conventional EGC.},
keywords={},
doi={},
ISSN={},
month={July},}
부
TY - JOUR
TI - Pilot Channel Assisted MMSE Combining in Forward Link for Broadband OFCDM Packet Wireless Access
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1635
EP - 1646
AU - Noriyuki MAEDA
AU - Hiroyuki ATARASHI
AU - Sadayuki ABETA
AU - Mamoru SAWAHASHI
PY - 2002
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E85-A
IS - 7
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - July 2002
AB - This paper proposes a pilot channel assisted minimum mean square error (MMSE) combining scheme in orthogonal frequency and code division multiplexing (OFCDM) based on actual signal-to-interference power ratio (SIR) estimation, and investigates the throughput performance in a broadband channel with a near 100-MHz bandwidth. In the proposed MMSE combining scheme, the combining weight of each sub-carrier component is accurately estimated from the channel gain, noise power, and transmission power ratio of all the code-multiplexed channels to the desired one, by exploiting the time-multiplexed common pilot channel in addition to the coded data channel. Simulation results elucidate that the required average received signal energy per bit-to-noise spectrum density ratio (Eb/N0) for the average packet error rate (PER) = 10-2 is improved by 0.6 and 1.2 dB by using the proposed MMSE combining instead of the conventional equal gain combining (EGC) in a 24-path Rayleigh fading channel (exponential decay path model, maximum delay time is approximately 1 µsec) in an isolated cell environment, when the number of multiplexed codes = 8 and 32, respectively, with the spreading factor of 32. Furthermore, when the average received Eb/N0 = 10 dB, the achievable throughput, i.e., the number of simultaneously multiplexed codes for the average PER = 10-2 in the proposed MMSE combining, is increased by approximately 1.3 fold that of the conventional EGC.
ER -