Delay-Optimal Channel Selection Method for Wireless Cognitive Networks

Wujian, Sun; Dai, Weiguo; Zhang, Lei; Liu, Yang; Ou, Li

doi:10.1109/imccc.2012.268

Cited by 1 publication

(3 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“… Delay: Refers to the total time that the data (or packets) have taken from when the data is transmitted till it is successfully received, as in [62,64,[74][75][76][77][78][79][80][81][82].…”

Section: Qos Objectivesmentioning

confidence: 99%

“…channel holding time, channel capacity, and channel SU location) [41]. In this category, two QoS provisioning approaches were proposed in the literature: (a) Optimizing Channel Selection, as in [105,106,[139][140][141][142]; and (b) Minimizing Channel Selection Overheads, such as [77,91,[143][144][145][146][147][148][149]. Indeed the spectrum prediction based on spectrum modelling plays a crucial role in the selection, as in [107,128,[150][151][152].…”

Section: Spectrum Decisionmentioning

confidence: 99%

“… There are six criteria used for channel selection: a) Interference: Defined as minimizing the interference among SUs and from SUs to PUs [140]; b) Throughput: Refers to selecting the channels that will maximize data rates at SUs [58]; c) Delay: Which attempts to reduce the delay in RT applications [77]; d) Energy efficiency: Indicates minimizing power consumption at SUs [141]; e) Cross Layer Decision (CLD): Which denotes escaping from normal waterfall of ISO model such as a joint route and channel selection approach (considered in CRAHNs only) [192]; and f) Cluster based selection: Defined as distributing channel selection among several clusters [193].…”

Section: Introduction To the Spectrum Decision Elementsmentioning

confidence: 99%

See 2 more Smart Citations

Comprehensive Survey on Quality of Service Provisioning Approaches in Cognitive Radio Networks: Part One

Fakhrudeen

Alani

2017

Int J Wireless Inf Networks

View full text Add to dashboard Cite

Much interest in Cognitive Radio Networks (CRNs) has been raised recently by enabling unlicensed (secondary) users to utilize the unused portions of the licensed spectrum. CRN utilization of residual spectrum bands of Primary (licensed) Networks (PNs) must avoid harmful interference to the users of PNs and other overlapping CRNs. The coexisting of CRNs depends on four components: Spectrum Sensing, Spectrum Decision, Spectrum Sharing, and Spectrum Mobility. Various approaches have been proposed to improve Quality of Service (QoS) provisioning in CRNs within fluctuating spectrum availability. However, CRN implementation poses many technical challenges due to sporadic usage of licensed spectrum bands, which will be increased after deploying CRNs. Unlike traditional surveys of CRNs, this paper addresses QoS provisioning approaches of CRN components and provides an up-to-date comprehensive survey of recent improvement in these approaches. Major features of the open research challenges of each approach are investigated. Due to the extensive nature of the topic, this paper is the first part of the survey which investigates QoS approaches on spectrum sensing and decision components respectively. The remaining approaches of spectrum sharing and mobility components will be investigated in the next part.

show abstract