Implementing adaptive power control as a 30/20-GHz fade countermeasure
Satellite systems in the 30/20-GHz band are very susceptible to outages due to rain-induced fades. In order to reduce the impact of these fades, it has been proposed that the power of a transmitting ground station be adjusted during the fade to compensate for the additional attenuation. Real-time fr...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 1999-01, Vol.47 (1), p.40-46 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Sweeney, D.G. Bostian, C.W. |
| description | Satellite systems in the 30/20-GHz band are very susceptible to outages due to rain-induced fades. In order to reduce the impact of these fades, it has been proposed that the power of a transmitting ground station be adjusted during the fade to compensate for the additional attenuation. Real-time frequency scaling of attenuation from the downlink to the uplink shows promise for estimating the uplink attenuation for uplink power control (ULPC). A scaling-type ULPC algorithm using 20-GHz attenuation scaled to 30 GHz is presented. The limitations of such an algorithm and the effects of scintillation on ULPC are explored. The algorithm is tested using OLYMPUS fade data measured on the 14/spl deg/ elevation OLYMPUS to Blacksburg, VA path. An ULPC scheme employing a beacon at the uplink is also presented. It offers better performance than scaled downlink attenuation ULPC. |
| doi_str_mv | 10.1109/8.752985 |
| format | Article |
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In order to reduce the impact of these fades, it has been proposed that the power of a transmitting ground station be adjusted during the fade to compensate for the additional attenuation. Real-time frequency scaling of attenuation from the downlink to the uplink shows promise for estimating the uplink attenuation for uplink power control (ULPC). A scaling-type ULPC algorithm using 20-GHz attenuation scaled to 30 GHz is presented. The limitations of such an algorithm and the effects of scintillation on ULPC are explored. The algorithm is tested using OLYMPUS fade data measured on the 14/spl deg/ elevation OLYMPUS to Blacksburg, VA path. An ULPC scheme employing a beacon at the uplink is also presented. It offers better performance than scaled downlink attenuation ULPC.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/8.752985</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>IEEE</publisher><subject>Adaptive control ; Adaptive control systems ; Algorithms ; Antennas ; Attenuation ; Beacons ; Downlink ; Elevation ; Fading ; Frequency estimation ; Power control ; Programmable control ; Rain ; Satellite communication ; Satellite ground stations ; Transmission</subject><ispartof>IEEE transactions on antennas and propagation, 1999-01, Vol.47 (1), p.40-46</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-b9943218020c8997a41eca4ff28614303c91f42fef8556cb356e85d776ea4de83</citedby><cites>FETCH-LOGICAL-c398t-b9943218020c8997a41eca4ff28614303c91f42fef8556cb356e85d776ea4de83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/752985$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/752985$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Sweeney, D.G.</creatorcontrib><creatorcontrib>Bostian, C.W.</creatorcontrib><title>Implementing adaptive power control as a 30/20-GHz fade countermeasure</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>Satellite systems in the 30/20-GHz band are very susceptible to outages due to rain-induced fades. In order to reduce the impact of these fades, it has been proposed that the power of a transmitting ground station be adjusted during the fade to compensate for the additional attenuation. Real-time frequency scaling of attenuation from the downlink to the uplink shows promise for estimating the uplink attenuation for uplink power control (ULPC). A scaling-type ULPC algorithm using 20-GHz attenuation scaled to 30 GHz is presented. The limitations of such an algorithm and the effects of scintillation on ULPC are explored. The algorithm is tested using OLYMPUS fade data measured on the 14/spl deg/ elevation OLYMPUS to Blacksburg, VA path. An ULPC scheme employing a beacon at the uplink is also presented. It offers better performance than scaled downlink attenuation ULPC.</description><subject>Adaptive control</subject><subject>Adaptive control systems</subject><subject>Algorithms</subject><subject>Antennas</subject><subject>Attenuation</subject><subject>Beacons</subject><subject>Downlink</subject><subject>Elevation</subject><subject>Fading</subject><subject>Frequency estimation</subject><subject>Power control</subject><subject>Programmable control</subject><subject>Rain</subject><subject>Satellite communication</subject><subject>Satellite ground stations</subject><subject>Transmission</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqN0T1LA0EQBuBFFIxRsLa6Sm0u2e-bLSWYRAjYKNgdm71ZObkvd-8U_fWeJFiq1TC8D1PMS8g5ozPGqJnDLFPcgDogE6YUpJxzdkgmlDJIDddPx-QkxpdxlSDlhCzv6q7CGpu-bJ4TW9iuL98w6dp3DIlrmz60VWJjYhNB55ymq_Vn4m2BYzY0PYYabRwCnpIjb6uIZ_s5JY_L24fFOt3cr-4WN5vUCQN9ujVGCs6AcurAmMxKhs5K7zloJgUVzjAvuUcPSmm3FUojqCLLNFpZIIgpudrd7UL7OmDs87qMDqvKNtgOMTfMGKYNZKO8_FVyMBLGJ_wDCtBU079hRplgio3wegddaGMM6PMulLUNHzmj-XdJOeS7kkZ6saMlIv6wffgF2IeJtg</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>Sweeney, D.G.</creator><creator>Bostian, C.W.</creator><general>IEEE</general><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SP</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>199901</creationdate><title>Implementing adaptive power control as a 30/20-GHz fade countermeasure</title><author>Sweeney, D.G. ; Bostian, C.W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-b9943218020c8997a41eca4ff28614303c91f42fef8556cb356e85d776ea4de83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Adaptive control</topic><topic>Adaptive control systems</topic><topic>Algorithms</topic><topic>Antennas</topic><topic>Attenuation</topic><topic>Beacons</topic><topic>Downlink</topic><topic>Elevation</topic><topic>Fading</topic><topic>Frequency estimation</topic><topic>Power control</topic><topic>Programmable control</topic><topic>Rain</topic><topic>Satellite communication</topic><topic>Satellite ground stations</topic><topic>Transmission</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sweeney, D.G.</creatorcontrib><creatorcontrib>Bostian, C.W.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sweeney, D.G.</au><au>Bostian, C.W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Implementing adaptive power control as a 30/20-GHz fade countermeasure</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>1999-01</date><risdate>1999</risdate><volume>47</volume><issue>1</issue><spage>40</spage><epage>46</epage><pages>40-46</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>Satellite systems in the 30/20-GHz band are very susceptible to outages due to rain-induced fades. In order to reduce the impact of these fades, it has been proposed that the power of a transmitting ground station be adjusted during the fade to compensate for the additional attenuation. Real-time frequency scaling of attenuation from the downlink to the uplink shows promise for estimating the uplink attenuation for uplink power control (ULPC). A scaling-type ULPC algorithm using 20-GHz attenuation scaled to 30 GHz is presented. The limitations of such an algorithm and the effects of scintillation on ULPC are explored. The algorithm is tested using OLYMPUS fade data measured on the 14/spl deg/ elevation OLYMPUS to Blacksburg, VA path. An ULPC scheme employing a beacon at the uplink is also presented. It offers better performance than scaled downlink attenuation ULPC.</abstract><pub>IEEE</pub><doi>10.1109/8.752985</doi><tpages>7</tpages></addata></record> |
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| ispartof | IEEE transactions on antennas and propagation, 1999-01, Vol.47 (1), p.40-46 |
| issn | 0018-926X 1558-2221 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive control Adaptive control systems Algorithms Antennas Attenuation Beacons Downlink Elevation Fading Frequency estimation Power control Programmable control Rain Satellite communication Satellite ground stations Transmission |
| title | Implementing adaptive power control as a 30/20-GHz fade countermeasure |
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