Title :
A Compressed HARQ Feedback for Device-to-Device Multicast Communications
Author :
Du, Jinling ; Zhu, Wensheng ; Xu, Jing ; Li, Zhenhong ; Wang, Haifeng
Author_Institution :
Shanghai Res. Center for Wireless Commun., Shanghai, China
Abstract :
An efficient receiving status feedback in multicast communications can improve the system performance considerably. In this paper, we propose a novel compressed hybrid automatic repeat request (HARQ) mechanism for the reliable multicast services in the cellular network controlled Device-to-Device (D2D) communications. Closely located D2D cluster devices transmit the acknowledgement and negative acknowledgement (ACK/NACK) message to a cluster head through D2D links directly, after that the cluster head feeds back the whole D2D cluster receiving status using 2-bit ACK/NACK to the cellular network. Performance analysis and numerical simulation results reveal that the proposed HARQ feedback mechanism is better than the conventional D2D multicast mechanisms in terms of the error probability and signaling overhead.
Keywords :
cellular radio; error statistics; multicast communication; D2D cluster receiving status; D2D communications; D2D links; NACK message; cellular network controlled device-to-device communications; compressed HARQ feedback; device-to-device multicast communications; error probability; hybrid automatic repeat request; negative acknowledgement; reliable multicast services; signaling overhead; Buffer storage; Error probability; Monitoring; Multicast communication; Proposals; Reliability;
Conference_Titel :
Vehicular Technology Conference (VTC Fall), 2012 IEEE
Conference_Location :
Quebec City, QC
Print_ISBN :
978-1-4673-1880-8
Electronic_ISBN :
1090-3038
DOI :
10.1109/VTCFall.2012.6399309
