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JCST
2008
140views more  JCST 2008»
10 years 4 months ago
ROPAS: Cross-Layer Cognitive Architecture for Mobile UWB Networks
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
Chittabrata Ghosh, Bin Xie, Dharma P. Agrawal
JCP
2008
115views more  JCP 2008»
10 years 4 months ago
Practical Chip-level Equalizers in HSDPA
High-speed downlink packet access (HSDPA) has been developed to upgrade the current WCDMA system in yerms of providing a higher data rate for mobile users. To ensure a downlink spe...
Minjae Park, Woonsik Lee, Minh-Viet Nguyen, Hwang ...
FPGA
2000
ACM
479views FPGA» more  FPGA 2000»
10 years 7 months ago
Implementing a RAKE receiver for wireless communications on an FPGA-based computer system
RAKE receivers are widely used in the wireless communications industry. Currently, custom VLSI is the most popular implementation. Programmable and reconfigurable logic implementa...
Ali M. Shankiti, Miriam Leeser
VTC
2007
IEEE
10 years 10 months ago
Rake Receiver Improvement for Residual Interference Cancellation in UWB Context
Abstract—In the context of PAM Time-Hopping/Direct Sequence Impulse Radio Ultra Wide Band (IR-UWB), a residual interference occurs at the output of the Rake Receiver when realist...
Anne-Laure Deleuze, Christophe Le Martret, Philipp...
ICC
2007
IEEE
105views Communications» more  ICC 2007»
10 years 10 months ago
Effects of Channel Models and Rake Receiving Process on UWB-IR System Performance
Abstract— In ultra-wideband impulse radio (UWB-IR) systems, multipath-delayed received pulses may overlap if two consecutive multipaths arrive within less than the pulse duration...
Serhat Erküçük, Dong In Kim, Kyun...
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