Integrated dual-channel X-band offset-transmitter for phase steering and DDMA arrays

J.C.J.G. Withagen; Anne J. Annema; Bram Nauta; Frank Edward van Vliet

doi:10.1109/CSICS.2016.7751048

Integrated dual-channel X-band offset-transmitter for phase steering and DDMA arrays

J.C.J.G. Withagen, Anne J. Annema, Bram Nauta, Frank Edward van Vliet

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

Multiple-Input and Multiple-Output (MIMO) arrays provide more degrees of freedom than conventional phased arrays. They require that every transmitting element of the array can be identified when received. One way to achieve this is to give every element its own unique frequency. Offset-Transmitters may be used to introduce MIMO or Doppler Division Multiple Access (DDMA) into phased-arrays without an excessive increase in waveform-generating hardware. Our dual-channel demonstrator IC can obtain a phase accuracy better than 1 degree and an spurious level of better than -65dBc for a single on-chip channel. This work investigates at X-band the effects of the limited on-chip isolation of 35dB, when multiple offset outputs are generated on a single chip for both beam steering and DDMA. In case of beam steering, the requirements on channel-to-channel isolation are less strict, making it well within reach. In the case of DDMA, we recommend increasing the channel-to-channel isolation by implementing multiple chips, in which case independent signals can be generated.

Original language	English
Title of host publication	IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2016
Place of Publication	USA
Publisher	IEEE
Pages	1-4
Number of pages	4
ISBN (Print)	978-1-5090-1609-9
DOIs	https://doi.org/10.1109/CSICS.2016.7751048
Publication status	Published - 24 Oct 2016
Event	IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2016 - DoubleTree by Hilton Hotel Austin, Austin, United States Duration: 23 Oct 2016 → 26 Oct 2016 https://eventegg.com/csics-2016/

Publication series

Name
Publisher	IEEE

Conference

Conference	IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2016
Abbreviated title	CSICS 2016
Country/Territory	United States
City	Austin
Period	23/10/16 → 26/10/16
Internet address	https://eventegg.com/csics-2016/

Keywords

EWI-27434
IR-102617
METIS-319487

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10.1109/CSICS.2016.7751048

Withagen_CSICS2016Accepted author version, 272 KB

Cite this

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title = "Integrated dual-channel X-band offset-transmitter for phase steering and DDMA arrays",

abstract = "Multiple-Input and Multiple-Output (MIMO) arrays provide more degrees of freedom than conventional phased arrays. They require that every transmitting element of the array can be identified when received. One way to achieve this is to give every element its own unique frequency. Offset-Transmitters may be used to introduce MIMO or Doppler Division Multiple Access (DDMA) into phased-arrays without an excessive increase in waveform-generating hardware. Our dual-channel demonstrator IC can obtain a phase accuracy better than 1 degree and an spurious level of better than -65dBc for a single on-chip channel. This work investigates at X-band the effects of the limited on-chip isolation of 35dB, when multiple offset outputs are generated on a single chip for both beam steering and DDMA. In case of beam steering, the requirements on channel-to-channel isolation are less strict, making it well within reach. In the case of DDMA, we recommend increasing the channel-to-channel isolation by implementing multiple chips, in which case independent signals can be generated.",

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Withagen, JCJG, Annema, AJ , Nauta, B & van Vliet, FE 2016, Integrated dual-channel X-band offset-transmitter for phase steering and DDMA arrays. in IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2016. IEEE, USA, pp. 1-4, IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2016, Austin, Texas, United States, 23/10/16. https://doi.org/10.1109/CSICS.2016.7751048

Integrated dual-channel X-band offset-transmitter for phase steering and DDMA arrays. / Withagen, J.C.J.G.; Annema, Anne J.; Nauta, Bram ; van Vliet, Frank Edward.

IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2016. USA : IEEE, 2016. p. 1-4.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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N2 - Multiple-Input and Multiple-Output (MIMO) arrays provide more degrees of freedom than conventional phased arrays. They require that every transmitting element of the array can be identified when received. One way to achieve this is to give every element its own unique frequency. Offset-Transmitters may be used to introduce MIMO or Doppler Division Multiple Access (DDMA) into phased-arrays without an excessive increase in waveform-generating hardware. Our dual-channel demonstrator IC can obtain a phase accuracy better than 1 degree and an spurious level of better than -65dBc for a single on-chip channel. This work investigates at X-band the effects of the limited on-chip isolation of 35dB, when multiple offset outputs are generated on a single chip for both beam steering and DDMA. In case of beam steering, the requirements on channel-to-channel isolation are less strict, making it well within reach. In the case of DDMA, we recommend increasing the channel-to-channel isolation by implementing multiple chips, in which case independent signals can be generated.

AB - Multiple-Input and Multiple-Output (MIMO) arrays provide more degrees of freedom than conventional phased arrays. They require that every transmitting element of the array can be identified when received. One way to achieve this is to give every element its own unique frequency. Offset-Transmitters may be used to introduce MIMO or Doppler Division Multiple Access (DDMA) into phased-arrays without an excessive increase in waveform-generating hardware. Our dual-channel demonstrator IC can obtain a phase accuracy better than 1 degree and an spurious level of better than -65dBc for a single on-chip channel. This work investigates at X-band the effects of the limited on-chip isolation of 35dB, when multiple offset outputs are generated on a single chip for both beam steering and DDMA. In case of beam steering, the requirements on channel-to-channel isolation are less strict, making it well within reach. In the case of DDMA, we recommend increasing the channel-to-channel isolation by implementing multiple chips, in which case independent signals can be generated.

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Integrated dual-channel X-band offset-transmitter for phase steering and DDMA arrays

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