207 search results - page 5 / 42 » Digitizing of UWB signals based on frequency channelization |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In this paper we present an analytical approach to evaluate the symbol error rate (SER) of OFDM systems subject to carrier frequency offset (CFO) and channel estimation error i...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
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...
VTC
2010
IEEE
13 years 5 months ago
2010
IEEE
—Recently, broadband analog network coding (ANC) was introduced to utilize high-data rate transmission over the wireless – frequency selective fading – channel. However, ANC ...