Maximizing the sum rate in symmetric networks of interfering links under flat power constraints
We consider the power control problem of maximizing the sum rate of a symmetric network of interfering links in Gaussian noise. We consider a static network: there is no time-varying fading and the power allocation is also mandated to be time and frequency flat. All transmitters have a maximum allow...
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| creator | Badruddin, N. Bhaskaran, S.R. Evans, J. Hanly, S. |
| description | We consider the power control problem of maximizing the sum rate of a symmetric network of interfering links in Gaussian noise. We consider a static network: there is no time-varying fading and the power allocation is also mandated to be time and frequency flat. All transmitters have a maximum allowable average transmit power, the same for all transmitters. We solve this nonconvex problem by identifying some underlying convex structure, and show that the solution is either one link blasting at full power, or all links blasting at full power. We provide a characterization of the solution in terms of the level of cross-gain between the interfering links. There is a phase transition between these two states, as the cross-gain traverses a threshold. |
| doi_str_mv | 10.1109/ALLERTON.2008.4797534 |
| format | Conference Proceeding |
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We consider a static network: there is no time-varying fading and the power allocation is also mandated to be time and frequency flat. All transmitters have a maximum allowable average transmit power, the same for all transmitters. We solve this nonconvex problem by identifying some underlying convex structure, and show that the solution is either one link blasting at full power, or all links blasting at full power. We provide a characterization of the solution in terms of the level of cross-gain between the interfering links. There is a phase transition between these two states, as the cross-gain traverses a threshold.</description><subject>Constraint optimization</subject><subject>Energy management</subject><subject>Fading</subject><subject>Gaussian noise</subject><subject>Interference</subject><subject>Power control</subject><subject>Power engineering and energy</subject><subject>Radio spectrum management</subject><subject>Transmitters</subject><subject>Wireless networks</subject><isbn>1424429250</isbn><isbn>9781424429257</isbn><isbn>1424429269</isbn><isbn>9781424429264</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFUNtKAzEUjEhBW_sFIuQHuibZXB9LqVZYLUh9XrLdE43upSQptX69Wyw4L-fMmZnzMAjdUZJRSsz9vCiWr5v1S8YI0RlXRomcX6Ax5YxzZpg0l_9EkBEan4yGaMHkFZrG-EkGcJFro65R-Wy_fet_fPeO0wfguG9xsAmw73A8ti2k4Le4g3Tow1fEvRuEBMFBOCUa3w3HfVdDwK6xCe_6w7Bu-y6mYAdnvEEjZ5sI0_OcoLeH5WaxmhXrx6fFvJh5qkSaOWU5lcJo6oQUlagFqy3nzmlGqFDK1tJIYgivKgY1IzmjBpyWRDujrZX5BN3-_fUAUO6Cb204lud28l_mlFjn</recordid><startdate>200809</startdate><enddate>200809</enddate><creator>Badruddin, N.</creator><creator>Bhaskaran, S.R.</creator><creator>Evans, J.</creator><creator>Hanly, S.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200809</creationdate><title>Maximizing the sum rate in symmetric networks of interfering links under flat power constraints</title><author>Badruddin, N. ; Bhaskaran, S.R. ; Evans, J. ; Hanly, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-f7a4165981f565b5d52da44ff8201577ad6960904bb2ed203219ef8608f98aa63</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Constraint optimization</topic><topic>Energy management</topic><topic>Fading</topic><topic>Gaussian noise</topic><topic>Interference</topic><topic>Power control</topic><topic>Power engineering and energy</topic><topic>Radio spectrum management</topic><topic>Transmitters</topic><topic>Wireless networks</topic><toplevel>online_resources</toplevel><creatorcontrib>Badruddin, N.</creatorcontrib><creatorcontrib>Bhaskaran, S.R.</creatorcontrib><creatorcontrib>Evans, J.</creatorcontrib><creatorcontrib>Hanly, S.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Badruddin, N.</au><au>Bhaskaran, S.R.</au><au>Evans, J.</au><au>Hanly, S.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Maximizing the sum rate in symmetric networks of interfering links under flat power constraints</atitle><btitle>2008 46th Annual Allerton Conference on Communication, Control, and Computing</btitle><stitle>ALLERTON</stitle><date>2008-09</date><risdate>2008</risdate><spage>46</spage><epage>53</epage><pages>46-53</pages><isbn>1424429250</isbn><isbn>9781424429257</isbn><eisbn>1424429269</eisbn><eisbn>9781424429264</eisbn><abstract>We consider the power control problem of maximizing the sum rate of a symmetric network of interfering links in Gaussian noise. We consider a static network: there is no time-varying fading and the power allocation is also mandated to be time and frequency flat. All transmitters have a maximum allowable average transmit power, the same for all transmitters. We solve this nonconvex problem by identifying some underlying convex structure, and show that the solution is either one link blasting at full power, or all links blasting at full power. We provide a characterization of the solution in terms of the level of cross-gain between the interfering links. There is a phase transition between these two states, as the cross-gain traverses a threshold.</abstract><pub>IEEE</pub><doi>10.1109/ALLERTON.2008.4797534</doi><tpages>8</tpages></addata></record> |
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| ispartof | 2008 46th Annual Allerton Conference on Communication, Control, and Computing, 2008, p.46-53 |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Constraint optimization Energy management Fading Gaussian noise Interference Power control Power engineering and energy Radio spectrum management Transmitters Wireless networks |
| title | Maximizing the sum rate in symmetric networks of interfering links under flat power constraints |
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