Multi-antenna downlink channels with limited feedback and user selection
We analyze the sum-rate performance of a multi-antenna downlink system carrying more
users than transmit antennas, with partial channel knowledge at the transmitter due to finite …
users than transmit antennas, with partial channel knowledge at the transmitter due to finite …
Finite-rate feedback MIMO broadcast channels with a large number of users
We analyze the sum-rate performance of a multi-antenna downlink system carrying more
users than transmit antennas, with partial channel knowledge at the transmitter due to finite …
users than transmit antennas, with partial channel knowledge at the transmitter due to finite …
Exploiting multiuser diversity with only 1-bit feedback
S Sanayei, A Nosratinia - IEEE Wireless Communications and …, 2005 - ieeexplore.ieee.org
In a system with n users, the sum-rate capacity of the downlink channel grows as log log n,
assuming optimal scheduling. However, optimal scheduling requires that the downlink …
assuming optimal scheduling. However, optimal scheduling requires that the downlink …
Antenna combining for the MIMO downlink channel
N Jindal - IEEE Transactions on Wireless Communications, 2008 - ieeexplore.ieee.org
A multiple antenna downlink channel where limited channel feedback is available to the
transmitter is considered. In a vector downlink channel (single antenna at each receiver), the …
transmitter is considered. In a vector downlink channel (single antenna at each receiver), the …
Feedback gain in multiple antenna systems
S Bhashyam, A Sabharwal… - IEEE Transactions on …, 2002 - ieeexplore.ieee.org
Multiple antenna transmission and reception have been shown to significantly increase the
achievable data rates of wireless systems. However, most of the existing analysis assumes …
achievable data rates of wireless systems. However, most of the existing analysis assumes …
The optimality of beamforming in uplink multiuser wireless systems
This paper considers the optimal uplink transmission strategy that achieves the sum-
capacity in a multiuser multi-antenna wireless system. Assuming an independent identically …
capacity in a multiuser multi-antenna wireless system. Assuming an independent identically …
Subchannel allocation in multiuser multiple-input–multiple-output systems
P Tejera, W Utschick, G Bauch… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
Assuming perfect channel state information at the transmitter of a Gaussian broadcast
channel, strategies are investigated on how to assign subchannels in frequency and space …
channel, strategies are investigated on how to assign subchannels in frequency and space …
On the capacity of multiuser wireless channels with multiple antennas
W Rhee, JM Cioffi - IEEE Transactions on Information Theory, 2003 - ieeexplore.ieee.org
The advantages of multiuser communication, where many users are allowed to
simultaneously transmit or receive in a common bandwidth, are considered for multiple …
simultaneously transmit or receive in a common bandwidth, are considered for multiple …
On transceiver design and channel quantization for downlink multiuser MIMO systems with limited feedback
M Trivellato, F Boccardi, H Huang - IEEE Journal on Selected …, 2008 - ieeexplore.ieee.org
We consider a MIMO broadcast channel where both the transmitter and receivers are
equipped with multiple antennas. Channel state information at the transmitter (CSIT) is …
equipped with multiple antennas. Channel state information at the transmitter (CSIT) is …
A vector-perturbation technique for near-capacity multiantenna multiuser communication-part I: channel inversion and regularization
CB Peel, BM Hochwald… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
Recent theoretical results describing the sum capacity when using multiple antennas to
communicate with multiple users in a known rich scattering environment have not yet been …
communicate with multiple users in a known rich scattering environment have not yet been …