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WCNC
2010
IEEE
14 years 15 days ago
Scalable Mismatch Compensation for Time-Interleaved A/D Converters in OFDM Reception
Abstract—Realization of all-digital baseband receiver processing for multi-Gigabit communication requires analog-to-digital converters(ADCs) of sufficient rate and output resolu...
Sandeep Ponnuru, Upamanyu Madhow
SIGCOMM
2010
ACM
13 years 8 months ago
Contrabass: concurrent transmissions without coordination
A PHY and MAC protocol for MIMO concurrent transmissions, called Contrabass, is presented. Concurrent transmissions, also referred to as multi-user MIMO, are simultaneous transmis...
Sungro Yoon
IWCMC
2006
ACM
14 years 2 months ago
Performance evaluation of joint downlink scheduling in multi-cellular OFDMA systems based on IEEE 802.16a
The employment of the OFDMA transmission technique in broadband radio systems shows several benefits. Especially the exploitation of multi-user diversity with the help of sophisti...
Michael Einhaus, Ole Klein, Bernhard Walke, Daniel...
VTC
2008
IEEE
156views Communications» more  VTC 2008»
14 years 3 months ago
Channel Asymmetry and Random Time Slot Hopping in OFDMA-TDD Cellular Networks
Abstract—This paper studies the performance of orthogonal frequency division multiple access – time division duplex (OFDMA-TDD) cellular networks when jointly applying dynamic ...
Ellina Foutekova, Patrick Agyapong, Harald Haas
NETWORK
2007
187views more  NETWORK 2007»
13 years 8 months ago
Cooperative and opportunistic transmission for wireless ad hoc networks
Moving toward 4G, wireless ad hoc networks receive growing interest due to users’ provisioning of mobility, usability of services, and seamless communications. In ad hoc network...
Qian Zhang, Qing Chen, Fan Yang, Xuemin Shen, Zhis...