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A 20-W Chireix Outphasing Transmitter for WCDMA Base Stations
A Chireix outphasing transmitter for Band I wideband code-division multiple-access base stations was implemented using a nonisolating power combiner and two high-efficiency saturated class-B power amplifiers for 20-W single-carrier power levels. Novel adaptive background calibration algorithms were...
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| Published in: | IEEE transactions on microwave theory and techniques 2007-12, Vol.55 (12), p.2709-2718 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c383t-3666656a103062e83fa5f1ab60468b27d4e778f52aec75bb778d619534cb0a113 |
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| cites | cdi_FETCH-LOGICAL-c383t-3666656a103062e83fa5f1ab60468b27d4e778f52aec75bb778d619534cb0a113 |
| container_end_page | 2718 |
| container_issue | 12 |
| container_start_page | 2709 |
| container_title | IEEE transactions on microwave theory and techniques |
| container_volume | 55 |
| creator | Huttunen, A. Kaunisto, R. |
| description | A Chireix outphasing transmitter for Band I wideband code-division multiple-access base stations was implemented using a nonisolating power combiner and two high-efficiency saturated class-B power amplifiers for 20-W single-carrier power levels. Novel adaptive background calibration algorithms were developed and demonstrated for the mismatch calibration and phase predistortion of the two transmitter chains. The complete demonstrator was able to achieve an average efficiency of 30% for a 3GPP TestModel64 signal, measured at a channel output power of 20 W and an adjacent channel power ratio of -45 dB. |
| doi_str_mv | 10.1109/TMTT.2007.907140 |
| format | article |
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Novel adaptive background calibration algorithms were developed and demonstrated for the mismatch calibration and phase predistortion of the two transmitter chains. The complete demonstrator was able to achieve an average efficiency of 30% for a 3GPP TestModel64 signal, measured at a channel output power of 20 W and an adjacent channel power ratio of -45 dB.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2007.907140</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Adaptive algorithms ; Algorithms ; Amplifiers ; Applied sciences ; Base stations ; Broadband amplifiers ; Calibration ; Channels ; Chireix outphasing ; Circuit properties ; Electric, optical and optoelectronic circuits ; Electronic circuits ; Electronics ; Equipments and installations ; Exact sciences and technology ; High power amplifiers ; linear amplification with nonlinear components (LINC) ; linear transmitters ; Microwaves ; Mobile radiocommunication systems ; Multiaccess communication ; Power combiners ; Power measurement ; Predistortion ; Radiocommunications ; RF power amplifiers (PAs) ; Stations ; Telecommunications ; Telecommunications and information theory ; Testing ; Transmitters ; Transmitters. 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Novel adaptive background calibration algorithms were developed and demonstrated for the mismatch calibration and phase predistortion of the two transmitter chains. The complete demonstrator was able to achieve an average efficiency of 30% for a 3GPP TestModel64 signal, measured at a channel output power of 20 W and an adjacent channel power ratio of -45 dB.</description><subject>Adaptive algorithms</subject><subject>Algorithms</subject><subject>Amplifiers</subject><subject>Applied sciences</subject><subject>Base stations</subject><subject>Broadband amplifiers</subject><subject>Calibration</subject><subject>Channels</subject><subject>Chireix outphasing</subject><subject>Circuit properties</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Equipments and installations</subject><subject>Exact sciences and technology</subject><subject>High power amplifiers</subject><subject>linear amplification with nonlinear components (LINC)</subject><subject>linear transmitters</subject><subject>Microwaves</subject><subject>Mobile radiocommunication systems</subject><subject>Multiaccess communication</subject><subject>Power combiners</subject><subject>Power measurement</subject><subject>Predistortion</subject><subject>Radiocommunications</subject><subject>RF power amplifiers (PAs)</subject><subject>Stations</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Testing</subject><subject>Transmitters</subject><subject>Transmitters. 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Receivers</topic><topic>Wideband</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huttunen, A.</creatorcontrib><creatorcontrib>Kaunisto, R.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998–Present</collection><collection>IEEE Xplore</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huttunen, A.</au><au>Kaunisto, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 20-W Chireix Outphasing Transmitter for WCDMA Base Stations</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2007-12-01</date><risdate>2007</risdate><volume>55</volume><issue>12</issue><spage>2709</spage><epage>2718</epage><pages>2709-2718</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><notes>ObjectType-Article-2</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-1</notes><notes>content type line 23</notes><abstract>A Chireix outphasing transmitter for Band I wideband code-division multiple-access base stations was implemented using a nonisolating power combiner and two high-efficiency saturated class-B power amplifiers for 20-W single-carrier power levels. Novel adaptive background calibration algorithms were developed and demonstrated for the mismatch calibration and phase predistortion of the two transmitter chains. The complete demonstrator was able to achieve an average efficiency of 30% for a 3GPP TestModel64 signal, measured at a channel output power of 20 W and an adjacent channel power ratio of -45 dB.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMTT.2007.907140</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0018-9480 |
| ispartof | IEEE transactions on microwave theory and techniques, 2007-12, Vol.55 (12), p.2709-2718 |
| issn | 0018-9480 1557-9670 |
| language | eng |
| recordid | cdi_proquest_journals_864140780 |
| source | IEEE Electronic Library (IEL) Journals |
| subjects | Adaptive algorithms Algorithms Amplifiers Applied sciences Base stations Broadband amplifiers Calibration Channels Chireix outphasing Circuit properties Electric, optical and optoelectronic circuits Electronic circuits Electronics Equipments and installations Exact sciences and technology High power amplifiers linear amplification with nonlinear components (LINC) linear transmitters Microwaves Mobile radiocommunication systems Multiaccess communication Power combiners Power measurement Predistortion Radiocommunications RF power amplifiers (PAs) Stations Telecommunications Telecommunications and information theory Testing Transmitters Transmitters. Receivers Wideband |
| title | A 20-W Chireix Outphasing Transmitter for WCDMA Base Stations |
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