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Approaching eigenmode BLAST channel capacity using V-BLAST with rate and power feedback

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3 Author(s)
Seong Taek Chung ; STAR Labs, Stanford Univ., CA, USA ; Lozano, A. ; Huang, H.C.

Multiple antennas at the transmitter and receiver can achieve enormous capacities by transmitting on the channel's eigenmodes when the channel realization is known at the transmitter. If the transmitter has no knowledge of the channel, a significant fraction of the eigenmode capacity can be achieved in an open-loop mode, but multi-dimensional coding is required. We show how the open-loop capacity can be achieved with conventional single-dimensional coding using optimum successive decoding (OSD) and simple per-antenna rate control. Using power allocation, the capacity can be further increased, although only slightly

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Vehicular Technology Conference, 2001. VTC 2001 Fall. IEEE VTS 54th  (Volume:2 )

Date of Conference: