Traffic adaptive channel utilization based medium access control protocol for cognitive radio network

2018 ◽  
Author(s):  
Sumaya Kazary ◽  
Md. Tareq Mahmud ◽  
Md. Obaidur Rahman
Keyword(s):  
Cognitive Radio ◽  
Access Control ◽  
Medium Access Control ◽  
Cognitive Radio Network ◽  
Medium Access Control Protocol ◽  
Radio Network ◽  
Channel Utilization ◽  
Medium Access ◽  
Control Protocol

scholarly journals Adaptive Window Size-Based Medium Access Control Protocol for Cognitive Radio Wireless Sensor Networks

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Gyanendra Prasad Joshi ◽  
Seung Yeob Nam ◽  
Sung Won Kim ◽  
Byung-Seo Kim
Keyword(s):  
Wireless Sensor Networks ◽  
Cognitive Radio ◽  
Sensor Networks ◽  
Access Control ◽  
Medium Access Control ◽  
Window Size ◽  
Medium Access Control Protocol ◽  
Wireless Sensor ◽  
Medium Access ◽  
Control Protocol

Many existing medium access control protocols for cognitive radio wireless sensor networks waste bandwidth and suffer from delay because of the fixed channel negotiation period in the common control channel. In this paper, we propose a medium access control protocol for cognitive radio wireless sensor networks that adjusts the channel negotiation period based on network density. We simulate the proposed approach and compare it to the performance of the fixed channel negotiation period based approaches. The results show that the proposed approach efficiently utilizes white spaces and increases the aggregated goodput.

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