PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
This paper proposes the utilization of GSM logical channels (RACH, AGCH and TCH) and UMTS signaling (MIB and SIBs) of the Broadcast Channel to transmit a Cognitive Beacon Channel (...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
In this paper we show how game theory and Gibbs sampling techniques can be used to design a self-optimizing algorithm for minimizing end-to-end delays for all flows in a multi-clas...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
This paper tackles the problem of fast varying channel estimation in LTE systems. Particular attention is given to downlink transmission where OFDMA is used as the multiple access ...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
Despite all the encouraging reports on the benefit of Partially Overlapped Channels (POCs), the relative simple interference models and rather arbitrary network settings considered...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
In this paper, the generation of 16-QAM and 64-QAM space-time trellis codes (STTCs) for several transmit antennas is considered. The main problem with an exhaustive search is the i...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
Abstract-- Due to the limited energy supplies of nodes in wireless networks, achieving energy efficiency is crucial for extending the lifetime of these networks. Thus, we study eff...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
The first stage of the signal processing chain in a Global Positioning System (GPS) receiver is the acquisition, which provides for a desired satellite coarse code phase and Dopple...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
A two-way relay channel with independent parallel Gaussian channels between the relay and the two terminals is considered. Focusing on the decode-and-forward protocol, the second p...
PIMRC
2010
IEEE
13 years 10 months ago
2010
IEEE
In current cellular networks base stations (BSs) usually perform independent scheduling without coordinating the resource allocation among different cells. This, however, often lea...