2009
DOI: 10.1109/twc.2009.071126
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Code-modulated path-sharing multi-antenna receivers: theory and analysis

Abstract: Conventional multi-antenna receiver front-ends require multiple RF/baseband chains and analog-to-digital converters (ADC). This increases power consumption and chip area substantially. In this letter, we introduce a new Code-Modulated Path-Sharing Multi-Antenna (CPMA) receiver architecture suitable for any multi-antenna scheme including spatial multiplexing, spatial diversity, and beamforming. The receiver uses code modulation to distinguish the antenna signals before combining them in the analog domain. The c… Show more

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Cited by 23 publications
(12 citation statements)
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References 28 publications
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“…For mm-wave MIMO systems, the antennas need to be integrated with the RF front ends. The planar discrete lens array has found applications in generating narrow beams for MIMO [179]. The parasitic antenna arrays are also used to achieve high beam forming gain by controlling the mutual coupling between the elements [180].…”
Section: Massive Mimo Applicationsmentioning
confidence: 99%
“…For mm-wave MIMO systems, the antennas need to be integrated with the RF front ends. The planar discrete lens array has found applications in generating narrow beams for MIMO [179]. The parasitic antenna arrays are also used to achieve high beam forming gain by controlling the mutual coupling between the elements [180].…”
Section: Massive Mimo Applicationsmentioning
confidence: 99%
“…In previous research, the base-band signal has typically been assumed to be time-invariant. This assumption is acceptable for most communication scenarios in which the sampling cycle is equal to the period of each data symbol [20,21]. However, when the target has a relative radial velocity, the echo signal will contain a Doppler frequency, which causes the received signal to be time-varying.…”
Section: Introductionmentioning
confidence: 99%
“…However, the multiple-antenna front-end architecture design traditionally results in greater complexity and higher hardware costs in the radio frequency (RF) section [4,5]. One simplifying and cost-reducing solution may be the utilization of a single RF front-end, where a single RF path is used instead of multiple parallel RF chains [4,5]. In addition, the antenna selection (AS) technique is a common method for dealing with this issue [6][7][8][9][10].…”
Section: Introductionmentioning
confidence: 99%