NDLI: Study on the comparison between MIMO and phased array antenna

Content Provider	IEEE Xplore Digital Library
Author	Haiyang Fu Hui Fang Shike Cao Min Lu
Copyright Year	2012
Description	Author affiliation: College of Telecommnication and Information Engineering, Nanjing University of Posts and Telecommunications, 210003, China (Haiyang Fu; Hui Fang; Shike Cao; Min Lu)
Abstract	By comparing the principle of phased array antenna (PAA) with that of MIMO (Multiple-Input Multiple-Output), it could be found that there are full of inter-contradictions between MIMO and PAA theories. According to Shannon formula, each independent Rayleigh fading channel (IRFC) is determined by the bandwidth and the carrier frequency, or spectrum. In the PAA systems, though all signals are transmitted with the same carrier frequency, some IRFCs still could be achieved by the space division multiplexing (SDM). However the IRFC constructed by each pair of the transmitting and receiving antennas in MIMO systems only could be defined as a virtual IRFC (VIRFC) since the PAA technique is not used in the systems. Moreover, these VIRFCs are almost impossible to be transformed to IRFCs in receiver. Due to the existing of VIRFCs and the non-using of PAA technique, the transmitting beam without required direction would be introduced in MIMO syutem. In consequence, many blind spots of radio coverage and an unreasonable wireless communication system would be formed. It would be pointed out in the paper that the definition of IRFC in MIMO theory is inappropriate, which makes the channel capacity derived by MIMO theory in mathematics is difficult to be achieved in implementations.
Starting Page	478
Ending Page	482
File Size	444894
Page Count	5
File Format	PDF
ISBN	9781467323635
e-ISBN	9781467323659
DOI	10.1109/EEESym.2012.6258697
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-24
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased Array Antenna Companies Channel Capacity Shannon Formula MIMO Antennas
Content Type	Text
Resource Type	Article

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