W
Wiroonsak Santipach
Researcher at Kasetsart University
Publications - 47
Citations - 1522
Wiroonsak Santipach is an academic researcher from Kasetsart University. The author has contributed to research in topics: Communication channel & MIMO. The author has an hindex of 12, co-authored 44 publications receiving 1489 citations. Previous affiliations of Wiroonsak Santipach include Northwestern University & King Mongkut's University of Technology North Bangkok.
Papers
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Journal ArticleDOI
What is the value of limited feedback for MIMO channels
TL;DR: Performance results show that even a few bits of feedback can provide performance close to that with full channel knowledge at the transmitter.
Journal ArticleDOI
Capacity of a Multiple-Antenna Fading Channel With a Quantized Precoding Matrix
TL;DR: The performance of random vector quantization (RVQ), in which the precoding matrix is selected from a random codebook containing independent, isotropically distributed entries, is analyzed.
Proceedings ArticleDOI
Asymptotic capacity of beamforming with limited feedback
TL;DR: It is shown that a random vector quantization scheme is asymptotically optimal, and a simple expression for the associated capacity is given.
Proceedings ArticleDOI
Asymptotic performance of MIMO wireless channels with limited feedback
TL;DR: This work considers a single-user, point-to-point communication system with M transmit and N receive antennas with independent flat Rayleigh fading between antenna pairs, and shows how much feedback is needed to achieve a rate, which is close to the capacity with perfect channel knowledge at the transmitter.
Journal ArticleDOI
Signature optimization for CDMA with limited feedback
TL;DR: The performance of joint signature-receiver optimization for direct-sequence code-division multiple access (DS-CDMA) with limited feedback and a less complex and suboptimal reduced-rank signature optimization scheme in which the user's signature is constrained to lie in a lower dimensional subspace.