Results 81 to 90 of about 3,508 (187)

Noncoherent CSK communication system and its performance analysis

open access: yesTongxin xuebao, 2007
A noncoherent CSK communication system with adjustable weights was proposed.Both theoretical analysis and simulation for its BER performance under the environment of multipath channels were studied.The results show that the BER performance of the system ...
CHEN Hong-bin, FENG Jiu-chao
doaj   +2 more sources

Decoding of polar-coded OFDM systems over multipath fading channels with interleaving and channel state information

open access: yesScientific Reports
In this paper, we investigate the decoding performance and corresponding decoding strategies for polar-coded orthogonal frequency division multiplexing (OFDM) system operating under multipath fading channels.
Mingbao Wu   +5 more
doaj   +1 more source

A Robust Time-Frequency Synchronization Method for Underwater Acoustic OFDM Communication Systems

open access: yesIEEE Access
The strong multipath and long delay extensions can lead to large errors in the timing offset estimation and carrier frequency offset estimation of the Orthogonal Frequency Division Multiplexing (OFDM) underwater communication system, resulting in ...
Chi Yang   +5 more
doaj   +1 more source

Accuracy Bounds for Array-Based Positioning in Dense Multipath Channels. [PDF]

open access: yesSensors (Basel), 2018
Wilding T   +3 more
europepmc   +1 more source

Measuring GALILEO's Multipath Channel [PDF]

open access: yes, 2003
One leading point in the choice of the signal format for the Galileo System is the multipath transmission channel. Studies concerning the signal structure (e.g. ESA Signal Design Study) [1] had clearly shown that the synchronisation performance of a specific signal strongly depends on the reflections in the environment.
Steingass, Alexander, Lehner, Andreas
openaire   +1 more source

Channel estimation of UFMC system in multipath channel

open access: yesDianxin kexue, 2018
As a candidate waveform of 5G,universal filter multi-carrier (UFMC) technology could inhibit out-of-band radiation,achieve loose synchronization and well support the short bursts of things in the transmission.However,in the UFMC transmission without cyclic prefix (CP),inter-symbol interference (ISI) and subcarrier interference (ICI) are generated in ...
Xiang YU, Yanni GAO, Sirui DUAN
openaire   +2 more sources

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