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Spreading Codes Based Multicast Feedback Scheme for Reliable Multicast Services
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 Title & Authors
Spreading Codes Based Multicast Feedback Scheme for Reliable Multicast Services
Lee, Howon;
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 Abstract
In order to support reliable medium access control (MAC) layer multicast services in Broadband Wireless Access (BWA) networks, we here propose spreading codes (Cumulative ACK (CA) code and ARQ Feedback Request (AFR) code) based reliable multicast feedback scheme. The status indications based on the automatic repeat request (ARQ) mechanism are needed in some multicast services. In accordance with various wireless channel environments, we demonstrate the performance excellency of our proposed scheme with respect to required uplink resources compared with the original feedback scheme based on unicast ARQ feedback messages. In addition, we analyze packet error rate (PER) against the various wireless channel environments.
 Keywords
Spreading Code;Reliable Multicast Service;Feedback Scheme;automatic repeat request (ARQ);
 Language
Korean
 Cited by
 References
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