CQI mismatch analysis for multiuser orthogonal random beamforming systems

Author

Kim, Chanhong ; Jung, Sungkyu ; Ko, Kyeongjun ; Lee, Jungwoo

Author_Institution

Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., Seoul, South Korea

fYear

2010

Firstpage

304

Lastpage

308

Abstract

In this paper, we analyze channel quality indicator (CQI) mismatch probabilities of multiuser orthogonal random beamforming (ORBF) systems. First, we derive the CQI mismatch probability of the ORBF system with M transmit antennas and K users equipped with one receive antenna. Using that result, we also derive the upper and lower bounds of the per user unitary and rate control (PU2RC) system with 2 transmit antennas and K users equipped with one receive antenna, which is being adopted in the IEEE 802.16m standard. Finally, we compare theoretical results with numerical results from simulation.

Keywords

MIMO communication; WiMax; receiving antennas; transmitting antennas; CQI mismatch analysis; IEEE 802.16 standard; M transmit antennas; ORBF system; PU2RC; channel quality indicator; multiple-input multiple-output; multiuser orthogonal random beamforming systems; per user unitary and rate control system; receive antenna; Array signal processing; Indexes; Interference; MIMO; Receiving antennas; Signal to noise ratio; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal Indoor and Mobile Radio Communications (PIMRC), 2010 IEEE 21st International Symposium on

Conference_Location

Instanbul

Print_ISBN

978-1-4244-8017-3

Type

conf

DOI

10.1109/PIMRC.2010.5671844

Filename

5671844