GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
— In this paper, we study the optimal transceiver structure for achieving sum-rate capacity of a parallel Gaussian symmetric interference channel. Specifically, we derive a set ...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
In this paper, we derive an optimal resource allocation algorithm for ergodic weighted-sum capacity maximization in OFDMA systems assuming the availability of only partial (imperfe...
INFOCOM
2002
IEEE
14 years 5 months ago
2002
IEEE
Abstract—In this paper we consider the downlink power allocation problem for multi-class CDMA wireless networks. We use a utility based power allocation framework to treat multi-...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
— In this paper, we study how to appropriately match users for two-user cooperative diversity systems that deploy optimal power allocation for an amplify and forward or a regener...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract— This paper proposes the opportunistic power allocation (OPA) scheme for random beamforming with a limited feedback rate. Without the channel state information, the prop...
GLOBECOM
2007
IEEE
14 years 6 months ago
2007
IEEE
— In this paper, we study a wireless multiple-input multiple-output system in a Rayleigh flat-fading environment with correlation among the transmit antennas. We assume that the...
MOBIHOC
2005
ACM
14 years 11 months ago
2005
ACM
We consider a wireless sensor network in which sensors are grouped into clusters, each with its own cluster head (CH). Each CH collects data from sensors in its cluster and relays...