2010
DOI: 10.1007/978-3-642-11723-7_59
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Abstract: Abstract. A distributed joint routing and spectrum sharing algorithm for video streaming applications over cognitive radio ad hoc networks is proposed in this article. The proposed cross-layer control scheme dynamically allocates routes, spectrum and power to maximize the network throughput under the constraints posed by delay-sensitive video applications. The algorithm evaluates the expected delay of competing flows in single-hop and two-hop networks considering the time-varying spectrum condition and occupan… Show more

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Cited by 17 publications
(10 citation statements)
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References 19 publications
(8 reference statements)
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“…In [37], the impact of system parameters residing in different network layers is jointly considered to achieve the best possible video quality for CR users. Unlike the heuristic approaches in [35] and [36], the analytical and optimization approach taken in this paper yields algorithms with optimal or bounded performance. Ding and Xiao [38] investigated the problem of enabling multisource video on-demand applications in multiinterface cognitive wireless mesh networks.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…In [37], the impact of system parameters residing in different network layers is jointly considered to achieve the best possible video quality for CR users. Unlike the heuristic approaches in [35] and [36], the analytical and optimization approach taken in this paper yields algorithms with optimal or bounded performance. Ding and Xiao [38] investigated the problem of enabling multisource video on-demand applications in multiinterface cognitive wireless mesh networks.…”
Section: Related Workmentioning
confidence: 99%
“…In [35], a dynamic channel selection scheme was proposed for CR users to transmit videos over multiple channels. In [36], a distributed joint routing and spectrum sharing algorithm for video streaming over CR ad hoc networks was described and evaluated with simulations. In our prior work, we considered video multicast in an infrastructure-based CR network [15], unicast video streaming over multihop CR networks [23], and CR femtocell networks [16].…”
Section: Related Workmentioning
confidence: 99%
“…This contribution should take into account delay that is a very important constraint in real-time medical multimedia flow transmission. In [9], an algorithm is proposed for evaluating the expected delay of competing flows in single-hop and two-hop networks considering the time-varying spectrum condition and occupancy, traffic characteristics, and the condition of queues at intermediate nodes. Simulation results show that the proposed algorithm significantly reduces the packet loss rate and improves the average Peak Signal-to-Noise Ratio (PSNR) of the received video streams.…”
Section: Related Workmentioning
confidence: 99%
“…A distributed joint routing and spectrum sharing algorithm is proposed in [12] where the crosslayer control scheme aims to maximize the channel throughput under the constraints of delay sensitive video application using prioritized queuing model. In this model, each node maintains a separate queue for each waiting unicast session for which it is a source or intermediate node.…”
Section: Unicast Transmissionmentioning
confidence: 99%