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GLOBECOM
2008
IEEE
14 years 1 months ago
Joint Power Loading of Data and Pilots in OFDM Using Imperfect Channel State Information at the Transmitter
— The search for optimality in the design of channel precoders and training symbols in block processing communication systems is one of paramount importance. Finding the best tra...
Chitaranjan P. Sukumar, Ricardo Merched, Ahmed M. ...
ICN
2009
Springer
14 years 2 months ago
Acquisition of Channel State Information for Routing Purposes in Relay-Based WiMAX Networks
— The paper focuses on multi-hop routing mechanism used in relay based WiMAX networks. The proposal how to acquire channel state information (CSI) on relay and access path for de...
Pavel Mach, Zdenek Becvar, Robert Bestak
GLOBECOM
2008
IEEE
14 years 1 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...
ICC
2007
IEEE
116views Communications» more  ICC 2007»
14 years 1 months ago
A New Cross Layer Approach to QoS-Aware Proportional Fairness Packet Scheduling in the Downlink of OFDM Wireless Systems
—OFDM systems are the major cellular platforms for supporting ubiquitous high performance mobile applications. However, there remain a number of research challenges to be tackled...
Zhen Kong, Jiangzhou Wang, Yu-Kwong Kwok
INFOCOM
2006
IEEE
14 years 1 months ago
Resource Allocation for Multicast Services in Multicarrier Wireless Communications
— We consider a multicast resource allocation problem for the downlink in OFDM-based wireless cellular network systems. In a conventional multicast system, to accommodate users w...
Changho Suh, Jeonghoon Mo