Nested Transmit Diversity Based on a Joint Network-Channel Coding
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概要
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In order to obtain higher diversity gain, the use of additional resources such as time, frequency, and/or antennas are necessary. The aim of this study is to achieve adequate temporal diversity gain without needing additional resources beyond decoding delay and decoding complexity. If the channel state information (CSI) is not available at the transmitter side, the transmitter sends information at a given constant transmission rate while the channel capacity varies according to the channel state. If the instantaneous channel capacity is greater than the given transmission rate, the system can successfully transmit information but it does not exploit the entire available channel capacity. We focus on this extra channel capacity to transmit other information based on a joint network-channel coding in order to obtain higher diversity and coding gains. This paper provides the basic concept of the transmit diversity with the joint network-channel coding and investigates its performances in terms of outage probability, additional decoding delay and complexity, and frame-error rate (FER).
著者
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Ishibashi Koji
Advanced Device Laboratory Riken:crest Japan Science And Technology(jst)
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Ishii Koji
Faculty Of Engineering Reliability-based Information Systems Engineering Kagawa University
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ISHII Koji
Faculty of Engineering, Kagawa University
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