ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
—We provide a new outer bound on the capacity region of the two-user Gaussian multiple access channel (MAC) with AWGN-corrupted feedback. Our outer bound is based on the idea of ...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
—In a multi-access fading channel, dynamic allocation of bandwidth, transmission power and rates is an important aspect to counter the detrimental effect of time-varying nature o...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
Relays play an important role for increasing rate and reducing energy consumption of wireless networks. In this paper we consider a three-node network (source, relay, destination)...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
Abstract—Based on information theoretic tools, a new spectrum sensing method is proposed in this paper to detect vacant sub-bands in the radio spectrum1 . Specifically, based on...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
— By monitoring the exchanged IPsec traffic an adversary can usually easily discover the layout of virtual private networks (VPNs). Of even worse extend is the disclosure if com...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
Abstract—We study distributed algorithms for updating transmit precoding matrices for a two-user Multi-Input/Multi-Output (MIMO) interference channel. Our objective is to maximiz...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
— In this paper, we present an improved precoding technique which reduces a modulo loss in vector perturbation (VP) with low complexity for the downlink of a multiuser multiple-i...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
A wireless packet network is considered in which each user transmits a stream of packets to its destination. The transmit power of each user interferes with the transmission of al...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
Abstract—This paper studies the coexistence of several independent and dynamic wireless networks using the frequency hopping technique in the unlicensed radio band. We propose a ...
ICC
2009
IEEE
14 years 6 months ago
2009
IEEE
— In this paper we consider the low-complexity detection in hybrid direct-sequence time-hopping ultrawide bandwidth (DS-TH UWB) systems. A reduced-rank adaptive LBER detector is ...