Opportunistic Spectrum Access via Periodic Channel Sensing
The problem of opportunistic access of parallel channels occupied by primary users is considered. Under a continuous-time Markov chain modeling of the channel occupancy by the primary users, a slotted transmission protocol for secondary users using a periodic sensing strategy with optimal dynamic ac...
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| Veröffentlicht in: | IEEE transactions on signal processing 2008-02, Vol.56 (2), p.785-796 |
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| container_end_page | 796 |
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| container_issue | 2 |
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| container_title | IEEE transactions on signal processing |
| container_volume | 56 |
| creator | Qianchuan Zhao Geirhofer, S. Lang Tong Sadler, B.M. |
| description | The problem of opportunistic access of parallel channels occupied by primary users is considered. Under a continuous-time Markov chain modeling of the channel occupancy by the primary users, a slotted transmission protocol for secondary users using a periodic sensing strategy with optimal dynamic access is proposed. To maximize channel utilization while limiting interference to primary users, a framework of constrained Markov decision processes is presented, and the optimal access policy is derived via a linear program. Simulations are used for performance evaluation. It is demonstrated that periodic sensing yields negligible loss of throughput when the constraint on interference is tight. |
| doi_str_mv | 10.1109/TSP.2007.907867 |
| format | Article |
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Under a continuous-time Markov chain modeling of the channel occupancy by the primary users, a slotted transmission protocol for secondary users using a periodic sensing strategy with optimal dynamic access is proposed. To maximize channel utilization while limiting interference to primary users, a framework of constrained Markov decision processes is presented, and the optimal access policy is derived via a linear program. Simulations are used for performance evaluation. It is demonstrated that periodic sensing yields negligible loss of throughput when the constraint on interference is tight.</description><identifier>ISSN: 1053-587X</identifier><identifier>EISSN: 1941-0476</identifier><identifier>DOI: 10.1109/TSP.2007.907867</identifier><identifier>CODEN: ITPRED</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Access protocols ; Applied sciences ; Channels ; Collaborative work ; Constrained Markov decision processes ; Constraining ; Design optimization ; Detection ; dynamic spectrum access ; Exact sciences and technology ; Frequency ; Government ; Interference ; Interference constraints ; Markov processes ; Optimization ; resource allocation ; Resource management ; Simulation ; Strategy ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Throughput ; Traffic control ; Transmission and modulation (techniques and equipments) ; Wireless LAN</subject><ispartof>IEEE transactions on signal processing, 2008-02, Vol.56 (2), p.785-796</ispartof><rights>2008 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2008</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c422t-c945153c227c4010e725e7e780efb6abba4139843bd92c2a079490e42d6dad7e3</citedby><cites>FETCH-LOGICAL-c422t-c945153c227c4010e725e7e780efb6abba4139843bd92c2a079490e42d6dad7e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4410464$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4410464$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20020840$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Qianchuan Zhao</creatorcontrib><creatorcontrib>Geirhofer, S.</creatorcontrib><creatorcontrib>Lang Tong</creatorcontrib><creatorcontrib>Sadler, B.M.</creatorcontrib><title>Opportunistic Spectrum Access via Periodic Channel Sensing</title><title>IEEE transactions on signal processing</title><addtitle>TSP</addtitle><description>The problem of opportunistic access of parallel channels occupied by primary users is considered. Under a continuous-time Markov chain modeling of the channel occupancy by the primary users, a slotted transmission protocol for secondary users using a periodic sensing strategy with optimal dynamic access is proposed. To maximize channel utilization while limiting interference to primary users, a framework of constrained Markov decision processes is presented, and the optimal access policy is derived via a linear program. Simulations are used for performance evaluation. It is demonstrated that periodic sensing yields negligible loss of throughput when the constraint on interference is tight.</description><subject>Access protocols</subject><subject>Applied sciences</subject><subject>Channels</subject><subject>Collaborative work</subject><subject>Constrained Markov decision processes</subject><subject>Constraining</subject><subject>Design optimization</subject><subject>Detection</subject><subject>dynamic spectrum access</subject><subject>Exact sciences and technology</subject><subject>Frequency</subject><subject>Government</subject><subject>Interference</subject><subject>Interference constraints</subject><subject>Markov processes</subject><subject>Optimization</subject><subject>resource allocation</subject><subject>Resource management</subject><subject>Simulation</subject><subject>Strategy</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Throughput</subject><subject>Traffic control</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Wireless LAN</subject><issn>1053-587X</issn><issn>1941-0476</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90E1LxDAQBuAiCn6ePXgpgnrqOkmmSeNtWfwCQWEVvIVsOquRbluTVvDfG1nx4MFTAvPMS_Jm2SGDCWOgzx_nDxMOoCYaVCXVRrbDNLICUMnNdIdSFGWlnrez3RjfABiiljvZxX3fd2EYWx8H7_J5T24I4yqfOkcx5h_e5g8UfFen4ezVti01-Zza6NuX_WxraZtIBz_nXvZ0dfk4uynu7q9vZ9O7wiHnQ-E0lqwUjnPlEBiQ4iUpUhXQciHtYmGRCV2hWNSaO25BadRAyGtZ21qR2MvO1rl96N5HioNZ-eioaWxL3RhNVYFEqTRL8vRfKVIwSo4JHv-Bb90Y2vQLU0nBQTCpEjpfIxe6GAMtTR_8yoZPw8B8V25S5ea7crOuPG2c_MTa6GyzDLZ1Pv6uJcqhQkjuaO08Ef2OEVl6HYovK_uHzw</recordid><startdate>20080201</startdate><enddate>20080201</enddate><creator>Qianchuan Zhao</creator><creator>Geirhofer, S.</creator><creator>Lang Tong</creator><creator>Sadler, B.M.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| identifier | ISSN: 1053-587X |
| ispartof | IEEE transactions on signal processing, 2008-02, Vol.56 (2), p.785-796 |
| issn | 1053-587X 1941-0476 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Access protocols Applied sciences Channels Collaborative work Constrained Markov decision processes Constraining Design optimization Detection dynamic spectrum access Exact sciences and technology Frequency Government Interference Interference constraints Markov processes Optimization resource allocation Resource management Simulation Strategy Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Throughput Traffic control Transmission and modulation (techniques and equipments) Wireless LAN |
| title | Opportunistic Spectrum Access via Periodic Channel Sensing |
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