Sciweavers

GLOBECOM
2008
IEEE
14 years 4 months ago
Capacity Analysis for OFDM Systems with Transceiver I/Q Imbalance
—OFDM systems have gained utmost importance for wireless communications requiring ever higher data rates. The maximum data rate that can be achieved is, however, limited by the w...
Stefan Krone, Gerhard Fettweis
GLOBECOM
2008
IEEE
14 years 4 months ago
Pricing of Differentiated-QoS Services WiMAX Networks
Abstract—WiMAX/IEEE 802.16 system is a very open Broadband Wireless Access (BWA) technology with different possible services. Pricing of WiMAX is an important topic with differen...
Aymen Belghith, Loutfi Nuaymi, Patrick Maill&eacut...
GLOBECOM
2008
IEEE
14 years 4 months ago
A Business Model Framework for Dynamic Spectrum Access in Cognitive Networks
Nikhil Kelkar, Yaling Yang, Dilip Shome, George Mo...
GLOBECOM
2008
IEEE
14 years 4 months ago
3G LTE Simulations Using Measured MIMO Channels
Abstract—In this article we present downlink simulation results for a realistic implementation of the LTE (Long Term Evolution) 3G standard. In contrast to previous studies, actu...
Yngve Selén, Henrik Asplund
GLOBECOM
2008
IEEE
14 years 4 months ago
Performance Metric Sensitivity Computation for Optimization and Trade-Off Analysis in Wireless Networks
Abstract—We develop and evaluate a new method for estimating and optimizing various performance metrics for multihop wireless networks, including MANETs. We introduce an approxim...
John S. Baras, Vahid Tabatabaee, George Papageorgi...
GLOBECOM
2008
IEEE
14 years 4 months ago
Asymptotic Throughput in Wireless Multicast OFDM Systems
Abstract—With the proliferation of wireless multimedia applications, multicast/broadcast has been recognized as an efficient technique to transmit a large volume of data to mult...
Juan Liu, Wei Chen, Zhigang Cao, Ying Jun Zhang, S...
GLOBECOM
2008
IEEE
14 years 4 months ago
Location-Aware Cooperative Communications Utilizing Linear Network Coding
— Cooperative communication can be used to reduce the transmit power of distant mobile units, compared to conventional direct transmission, given the same quality-of-service. How...
Hung-Quoc Lai, Ahmed S. Ibrahim, K. J. Ray Liu
GLOBECOM
2008
IEEE
14 years 4 months ago
Weighted Sum Rate Optimization of Multicell Cognitive Radio Networks
— In this paper, we study the weighted sum rate maximization of multicell cellular cognitive radio networks (CRNs) which are overlaid with multicell primary radio networks (PRNs)...
Yao Ma, Dong In Kim, Alex Leith
GLOBECOM
2008
IEEE
14 years 4 months ago
Jamming ACK Attack to Wireless Networks and a Mitigation Approach
— In many Medium Access Control (MAC) schemes for wireless networks, an Acknowledgment (ACK) packet is transmitted from the data receiver to the data sender to announce the succe...
Zhiguo Zhang, Jingqi Wu, Jing Deng, Meikang Qiu