Sciweavers

2392 search results - page 309 / 479
» Channel-Hopping Multiple Access
Sort
View
GLOBECOM
2007
IEEE
16 years 26 days ago
On High Spatial Reuse Link Scheduling in STDMA Wireless Ad Hoc Networks
— Graph-based algorithms for point-to-point link scheduling in Spatial reuse Time Division Multiple Access (STDMA) wireless ad hoc networks often result in a significant number ...
Ashutosh Deepak Gore, Abhay Karandikar, Srikanth J...
ICC
2007
IEEE
173views Communications» more  ICC 2007»
16 years 25 days ago
The Effect of Imperfect Carrier Frequency Offset Estimation on OFDMA Uplink Transmission
Abstract— Since carrier frequency offset destroys user’s signal orthogonality in Orthogonal Frequency-Division Multiplexing Access (OFDMA) uplink transmission, resulting in an ...
Zhongshan Zhang, Chintha Tellambura
ICC
2007
IEEE
16 years 25 days ago
Digital Code Tracking Loops Over Frequency-Selective Fading Channels
Abstract— The performance of a noncoherent digital delaylock loop (DDLL) with a RAKE scheme for direct-sequence spread-spectrum code division multiple access (DS/SS-CDMA) signals...
Tsan-Ming Wu, Tsung-Hua Tsai
ICC
2007
IEEE
229views Communications» more  ICC 2007»
16 years 25 days ago
Uplink-Downlink Duality of ICI Cancellation in OFDMA Systems with Carrier-Frequency Offset
— In orthogonal frequency-division multiplex access (OFDMA) systems, including uplink and downlink, the carrierfrequency offset (CFO) between the multiple transceivers introduces...
Min Huang, Ming Zhao 0001, Shidong Zhou, Jing Wang...
ICC
2007
IEEE
136views Communications» more  ICC 2007»
16 years 25 days ago
Sphere Decoder for a MIMO Multi-User MC-CDMA Uplink in Time-Varying Channels
— We focus on iterative detection for the uplink of a multi-carrier (MC) code division multiple access (CDMA) system based on orthogonal frequency division multiplexing (OFDM). T...
Charlotte Dumard, Thomas Zemen