Results 31 to 40 of about 7,335,937 (186)
Blind Compressed Sensing Parameter Estimation of Non-cooperative Frequency Hopping Signal
Leida xuebao, 2016 To overcome the disadvantages of a non-cooperative frequency hopping communication system, such as a high sampling rate and inadequate prior information, parameter estimation based on Blind Compressed Sensing (BCS) is proposed.
Chen Ying, Zhong Fei, Guo Shuxu
doaj +1 more source
Sets of Wide-Gap Frequency-Hopping Sequence With Optimal Maximum Hamming Correlation
IEEE Access, 2022 In application, frequency-hopping (FH) communication system often suffers various interferences, such as single frequency narrow-band interference, partial band blocking interference and tracking interference, and so on.
Changyuan Wang +4 more
doaj +1 more source
Hybrid Precoding Aided Fast Frequency-Hopping for Millimeter-Wave Communication
IEEE Access, 2021 The deployment of the Millimeter-Wave (mm-Wave) band in 5G and beyond wireless communications networks is one of the emerging fields owing to its potential of providing extensive bandwidth.
Abbas Ahmed +4 more
doaj +1 more source
Slow Frequency-Hopping Multicarrier DS-CDMA for Transmission over Nakagami Multipath Fading Channels
, 2001 A novel multiple access scheme based on slow frequency hopping multicarrier direct-sequence code division multiple access (SFH/MC DS-CDMA) is proposed and investigated, which can be rendered compatible with the existing second-generation narrowband CDMA ...
Yang, L-L., Hanzo, L.
core +1 more source
Sensors, 2018 Industrial wireless applications often share the communication channel with other wireless technologies and communication protocols. This coexistence produces interferences and transmission errors which require appropriate mechanisms to manage ...
Erlantz Fernández de Gorostiza +3 more
doaj +1 more source
Applied Sciences, 2020 We consider the direction of arrival (DOA) estimation of the frequency hopping (FH) signal. The frequency hopping (FH) signal has been widely used for communication to control UAVs.
Chan-Bin Ko, Joon-Ho Lee
doaj +1 more source
Tongxin xuebao, 2021 In order to improve the anti-jamming ability and security of the wireless communication system， an index frequency-hopping anti-interference encryption method based on rotation scrambling was designed， which could be simply called encrypted index ...
Xinjin LU, Jing LEI, Yuxin SHI
doaj +2 more sources
, 2007 Iterative decoding (ID) aided fast frequency hopping (FFH), M-ary frequency shift keying (MFSK) using clipped combining in multiple access (MA) channels is investigated. All users’ data are convolutionally encoded and the encoded bits are interleaved and
Ng, S.X. +7 more
core +2 more sources
Frequency-Hopping Wave Engineering with Metasurfaces
, 2023 Wave phenomena can be artificially engineered by scattering from metasurfaces, which aids in the design of radio-frequency and optical devices for wireless communication, sensing, imaging, wireless power transfer and bio/medical applications.
Daisuke Nita (16541400) +4 more
core +1 more source
Multistage Frequency-Hopping Assisted Ultra-Wideband Multiple-Access Communications
, 2002 Ultra-WideBand (UWB) systems having a bandwidth on the order of a Gigahertz have recently received wide attention both in the USA and in Europe. In this contribution a novel UWB multiple access scheme based on the well-known family of Frequency-Hopping ...
Yang, L-L, Hanzo, L
core +1 more source