Yan ZHANG, Min SHENG, Jian-dong LI, et al. Cooperative resource sharing for multi rate cognitive networks[J]. Journal on Communications, 2011, 32(11): 35-43.
DOI:
Yan ZHANG, Min SHENG, Jian-dong LI, et al. Cooperative resource sharing for multi rate cognitive networks[J]. Journal on Communications, 2011, 32(11): 35-43. DOI: 1000-436X(2011)11-0035-09.
Cooperative resource sharing for multi rate cognitive networks
The motivations and strategies of cooperation between heterogeneous networks were discussed for multi rate cognitive networks.Based on queuing theory
the delay analytical models for different cooperative strategies were proposed and the closed form analysis
which exactly shows the relationship among different users’ traffic arrival rate
packet length
transmission rate and service delay
was obtained to reveal the delay performance and appropriate application scenarios of different cooperative strategies.The simulation results confirm that the proposed analytical model is correct and effective.In addition
it shows that not only the QoS of primary user is better guaranteed
but also the access opportunity and QoS of secondary user are improved by cooperation dramatically.
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references
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