NDLI: On Multicast Capacity and Delay in Cognitive Radio Mobile Ad Hoc Networks

Content Provider	IEEE Xplore Digital Library
Author	Jinbei Zhang Yixuan Li Zhuotao Liu Fan Wu Feng Yang Xinbing Wang
Copyright Year	2002
Abstract	In this paper, we focus on the capacity and delay tradeoff for multicast traffic pattern in cognitive radio mobile ad hoc networks (MANETs). In our system model, the primary network consisting of n primary nodes overlaps with the secondary network consisting of m secondary nodes in a unit square. Assume that all nodes move according to an independent and identically distributed mobility model, and each primary node serves as a source that multicasts its packets to kp primary destination nodes, whereas each secondary source node multicasts its packets to ks secondary destination nodes. Under the cell partitioned network model, we study the capacity and delay for the primary networks under two communication schemes, i.e., noncooperative scheme and cooperative scheme. The communication pattern considered for the secondary network is cooperative scheme. Given that m = n^β (β > 1), we show that per-node capacities O(1/k_p) and O(1/k_s) are achievable for the primary network and the secondary network, with average delays Θ(n log k_p) and Θ(m log k_s), respectively. Moreover, to reduce the average delay in the secondary network, we employ a redundancy scheme and prove that a per-node capacity O(1/k_s √m log k_s) is achievable with average delay Θ(√m log k_s). We find that the fundamental delay-capacity tradeoff in the secondary network is delay/capacity ≥ O(mk_s log k_s) under both cooperative and redundancy schemes.
Starting Page	5274
Ending Page	5286
Page Count	13
File Size	732492
File Format	PDF
ISSN	15361276
Volume Number	14
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delays Relays Interference Redundancy Throughput Mobile ad hoc networks Mobile communication Network Delay Cognitive Radio Capacity Scaling network delay Cognitive radio capacity scaling
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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