Non spectrum handover link maintenance performance in cognitive radio
Cognitive radio (CR) is a promising wireless communications technology. When using NC (non contiguous)-OFDM to transmit data, CU (cognitive user) promptly evacuates the channel reused for communication once PU's (Primary User's) reappearance is detected, and needs to acquire new channel. O...
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| creator | Jin Tian Tianfield, H. Guangguo Bi |
| description | Cognitive radio (CR) is a promising wireless communications technology. When using NC (non contiguous)-OFDM to transmit data, CU (cognitive user) promptly evacuates the channel reused for communication once PU's (Primary User's) reappearance is detected, and needs to acquire new channel. One way is to increase modulation rate on remainder uninterfered channels, while the other is to acquire new channels. Acquiring new subcarriers takes a great portion of the link maintenance time. This paper proposes using increased modulation mode to keep the same transmission data rate so that CU can save the time of acquiring new channel. Numerical result shows that the goodput of increased modulation rate method is 14 Mb/s advantageous over that of acquiring new channel. |
| doi_str_mv | 10.1109/ICSMC.2009.5346138 |
| format | Conference Proceeding |
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When using NC (non contiguous)-OFDM to transmit data, CU (cognitive user) promptly evacuates the channel reused for communication once PU's (Primary User's) reappearance is detected, and needs to acquire new channel. One way is to increase modulation rate on remainder uninterfered channels, while the other is to acquire new channels. Acquiring new subcarriers takes a great portion of the link maintenance time. This paper proposes using increased modulation mode to keep the same transmission data rate so that CU can save the time of acquiring new channel. 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Numerical result shows that the goodput of increased modulation rate method is 14 Mb/s advantageous over that of acquiring new channel.</description><subject>Chromium</subject><subject>Cognitive radio</subject><subject>Cybernetics</subject><subject>Delay</subject><subject>Frequency</subject><subject>increased modulation</subject><subject>Interference</subject><subject>Laboratories</subject><subject>link maintenance</subject><subject>Media Access Protocol</subject><subject>Mobile communication</subject><subject>primary user reappearance</subject><subject>spectrum handover</subject><subject>USA Councils</subject><issn>1062-922X</issn><issn>2577-1655</issn><isbn>9781424427932</isbn><isbn>1424427932</isbn><isbn>9781424427949</isbn><isbn>1424427940</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2009</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpVkMtKAzEYRuOlYFv7ArrJC0zNn3uWMrRaqLpQwV1JZv7RaCdTMmPBt1e0G1ffgQNn8RFyAWwOwNzVqny8K-ecMTdXQmoQ9ojMnLEguZTcOOmOyZgrYwrQSp38c4KfkjEwzQvH-cuITH4y1jGtLTsjk75_Z4wzCXZMFvddov0OqyF_tvTNp7rbY6bbmD5o62MaMPlUId1hbrrc_nJMtOpeUxziHmn2dezOyajx2x5nh52S5-Xiqbwt1g83q_J6XUQwaiiAC4ECPHMIXsugUIcm8Nq6pja6AcakrWqoGoRQa2WCBDReWGZDJawJYkou_7oRETe7HFufvzaHe8Q3UhxTTg</recordid><startdate>200910</startdate><enddate>200910</enddate><creator>Jin Tian</creator><creator>Tianfield, H.</creator><creator>Guangguo Bi</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200910</creationdate><title>Non spectrum handover link maintenance performance in cognitive radio</title><author>Jin Tian ; Tianfield, H. ; Guangguo Bi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-1233e31a09e1a64b5e6bfb2d89fd76f10048cd1cfe1bd657b41e7a3808bc387b3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Chromium</topic><topic>Cognitive radio</topic><topic>Cybernetics</topic><topic>Delay</topic><topic>Frequency</topic><topic>increased modulation</topic><topic>Interference</topic><topic>Laboratories</topic><topic>link maintenance</topic><topic>Media Access Protocol</topic><topic>Mobile communication</topic><topic>primary user reappearance</topic><topic>spectrum handover</topic><topic>USA Councils</topic><toplevel>online_resources</toplevel><creatorcontrib>Jin Tian</creatorcontrib><creatorcontrib>Tianfield, H.</creatorcontrib><creatorcontrib>Guangguo Bi</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jin Tian</au><au>Tianfield, H.</au><au>Guangguo Bi</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Non spectrum handover link maintenance performance in cognitive radio</atitle><btitle>2009 IEEE International Conference on Systems, Man and Cybernetics</btitle><stitle>ICSMC</stitle><date>2009-10</date><risdate>2009</risdate><spage>2713</spage><epage>2717</epage><pages>2713-2717</pages><issn>1062-922X</issn><eissn>2577-1655</eissn><isbn>9781424427932</isbn><isbn>1424427932</isbn><eisbn>9781424427949</eisbn><eisbn>1424427940</eisbn><abstract>Cognitive radio (CR) is a promising wireless communications technology. When using NC (non contiguous)-OFDM to transmit data, CU (cognitive user) promptly evacuates the channel reused for communication once PU's (Primary User's) reappearance is detected, and needs to acquire new channel. One way is to increase modulation rate on remainder uninterfered channels, while the other is to acquire new channels. Acquiring new subcarriers takes a great portion of the link maintenance time. This paper proposes using increased modulation mode to keep the same transmission data rate so that CU can save the time of acquiring new channel. Numerical result shows that the goodput of increased modulation rate method is 14 Mb/s advantageous over that of acquiring new channel.</abstract><pub>IEEE</pub><doi>10.1109/ICSMC.2009.5346138</doi><tpages>5</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Chromium Cognitive radio Cybernetics Delay Frequency increased modulation Interference Laboratories link maintenance Media Access Protocol Mobile communication primary user reappearance spectrum handover USA Councils |
| title | Non spectrum handover link maintenance performance in cognitive radio |
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