234 citations · 581 across the 34 of their papers we have counts for
4 papers · 2 filters
Effect of Finite Rate Feedback on CDMA Signature Optimization and MIMO Beamforming Vector Selection
Wei Dai, Youjian Liu, Brian Rider
We analyze the effect of finite rate feedback on CDMA (code-division multiple access) signature optimization and MIMO (multi-input-multi-output) beamforming vector selection. In CD…
On the Information Rate of MIMO Systems with Finite Rate Channel State Feedback Using Beamforming and Power On/Off Strategy
Wei Dai, Youjian Liu, Vincent K. N. Lau +1
It is well known that Multiple-Input Multiple-Output (MIMO) systems have high spectral efficiency, especially when channel state information at the transmitter (CSIT) is available.…
Performance Analysis of CDMA Signature Optimization with Finite Rate Feedback
Wei Dai, Youjian Liu, Brian Rider
We analyze the performance of CDMA signature optimization with finite rate feedback. For a particular user, the receiver selects a signature vector from a signature codebook to avo…
Quantization Bounds on Grassmann Manifolds and Applications to MIMO Communications
Wei Dai, Youjian Liu, Brian Rider
This paper considers the quantization problem on the Grassmann manifold \mathcal{G}_{n,p}, the set of all p-dimensional planes (through the origin) in the n-dimensional Euclidean s…