TIT
2008
13 years 4 months ago
2008
Since the standard union bound for space-time codes may diverge in quasi-static fading channels, the limit-before-average technique has been exploited to derive tight performance b...
TIT
2008
13 years 4 months ago
2008
A certain modular representation of multilinear polynomials is considered. The modulo 6 representation of polynomial f is just any polynomial f + 6g. The 1-a-strong representation ...
TIT
2008
13 years 4 months ago
2008
In a multiple-antenna system with two transmitters and two receivers, a scenario of data communication, known as the X channel, is studied in which each receiver receives data from...
TIT
2008
13 years 4 months ago
2008
The problem of predicting a sequence x ; x ; . . . generated by a discrete source with unknown statistics is considered. Each letter x is predicted using the information on the wor...
TIT
2008
13 years 4 months ago
2008
We consider the problem of several users transmitting packets to a base station, and study an optimal scheduling formulation involving three communication layers, namely, the mediu...
TIT
2008
13 years 4 months ago
2008
The minimum distance is one of the most important combinatorial characterizations of a code. The maximum likelihood decoding problem is one of the most important algorithmic proble...
TIT
2008
13 years 4 months ago
2008
This article describes new theoretical results concerning the general behavior of a Feedback with Carry Shift Register (FCSR) automaton. They help to better understand how the init...
TIT
2008
13 years 4 months ago
2008
A new wavelet-based methodology for representing data on regular grids is introduced and studied. The main attraction of this new L-CAMP methodology is in the way it scales with th...
TIT
2008
13 years 4 months ago
2008
In this paper, we analyze optimal (in space and time) adaptive power transmission policies for fading channels when the channel-state information (CSI) at the transmitter (CSIT) an...
TIT
2008
13 years 4 months ago
2008
Rate and diversity impose a fundamental tradeoff in wireless communication. High-rate space