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Multi-Radio cooperative ARQ in wireless cellular.pdfMulti-radio cooperative ARQ in wireless cellular networks: a MAC layer perspective318,41 kBAdobe PDFThumbnail

Citació: Alonso-Zarate, J. [et al.]. Multi-radio cooperative ARQ in wireless cellular networks: a MAC layer perspective. "Telecommunication systems", Maig 2011, p. 1-11.
Títol: Multi-radio cooperative ARQ in wireless cellular networks: a MAC layer perspective
Autor: Alonso Zárate, Jesús; Kartsakli, Elli Veure Producció científica UPC; Katz, Marcos; Alonso Zárate, Luis Gonzaga Veure Producció científica UPC; Verikoukis, Christos
Data: mai-2011
Tipus de document: Article
Resum: Multi-Radio Cooperative Automatic Retransmission Request (MCARQ) schemes are introduced in this paper within the context of hybrid networks which combine long-range and short-range communications. Since the number of wireless devices is incessantly increasing, it is frequently possible to establish a spontaneous cooperative cluster in the close proximity of any wireless device. These devices forming the cluster are connected to both a cellular-based network such as WiMAX, 3G, or LTE and a short-range network based on technologies such as WLAN, Zigbee, Bluetooh, or UWB, among other possibilities. The main idea behind the proposed MC-ARQ scheme is that, upon transmission error through the cellular interface, retransmission can be requested to the wireless grid surrounding the destination device using the short-range interface instead of the primary cellular link. Therefore, besides the cooperative diversity attained with CARQ schemes, the traffic load in the cellular interface is reduced benefiting thus a high number of users and reducing both energy consumption and interference. The Persistent Relay Carrier Sensing Medium Access (PRCSMA) protocol is presented as an example of solution for the MAC layer in this emerging new topic.
ISSN: 1018-4864
URI: http://hdl.handle.net/2117/12754
DOI: 10.1007/s11235-011-9449-9
Versió de l'editor: http://dx.doi.org/10.1007/s11235-011-9449-9
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