NDLI: An MAC protocol enabling fast rendezvous for secondary users in cognitive networks based on two-stage sensing

Content Provider	IEEE Xplore Digital Library
Author	Zhifeng He Jianyan He Yinghe Wang
Copyright Year	2011
Description	Author affiliation: Real Estate College, Beijing Normal University, Zhuhai (Jianyan He) \|\| School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing (Zhifeng He; Yinghe Wang)
Abstract	Here we proposed a periodical two-stage sensing MAC protocol for the cognitive network which enables the sender sense the same channel with its intended receiver through sensing only two channels at most, thus the sender and receiver don't need to sense a large number of channels to find a channel that is idle to both of them for data transmission. Each secondary user (SU) randomly chooses a channel to sense in the 1st sensing phase and report its sensing result, then each SU can know the channel its intended receiver had sensed in the 1st sensing phase, then it decides whether to sense the channel in the 2nd sensing phase. On some conditions satisfied, it conducts the 2nd stage sensing and negotiates with its receiver to reserve the channel. We design two negotiation schemes, the negotiation is conducted on the control channel in the 1st scheme and on the data channels in the 2nd scheme. Finally, we used NS-2 to analysis the performance of the protocol using the two negotiation schemes.
Starting Page	717
Ending Page	721
File Size	140602
Page Count	5
File Format	PDF
ISBN	9781424482658
e-ISBN	9781424482689
DOI	10.1109/MAPE.2011.6156222
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-01
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Transmitters cognitive radio two-stage spectrum sensing Receivers Throughput Transceivers Sensors Data communication MAC
Content Type	Text
Resource Type	Article

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