Results 11 to 20 of about 1,030,149 (344)
A direct-sequence spread-spectrum communication system for integrated sensor microsystems [PDF]
, 2005 Some of the most important challenges in health-care technologies have been identified to be development of noninvasive systems and miniaturization.
Arslan, T., Aydin, N., Cumming, D.R.S.
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Optimum Watermark Detection and Embedding in Digital Images [PDF]
, 1998 This work concentrates on the problem of watermarking of still images using the luminance component, through the use of spread spectrum techniques, both in space (direct sequence spread spectrum or DSSS) and frequency (frequency hopping or FH), following
Sayrol Clols, Elisa +1 more
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Novel direct sequence spread spectrum communication method
Tongxin xuebao, 2023 In response to the problem of limited performance and low spectral efficiency in complex multipath environments of traditional direct sequence spread spectrum communication, a cyclic prefix (CP) block transmission structure spread spectrum system with a ...
Fanglin GU +5 more
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PERFORMANCE ANALYSIS OF CHAOS BASED INTERLEAVER IN IDMA SYSTEM
ICTACT Journal on Communication Technology, 2016 Chaos are wide spread in nature, furthermore its use in the field of communication drew attention in early 90’s and recently chaos based spread spectrum (SS) communication become an interesting area of research. Based on the research; this paper presents
Aasheesh Shukla, Vinay Kumar Deolia
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Linearity considerations in adaptive antenna array applications [PDF]
, 1995 The use of adaptive antenna in mobile communications base stations is self-explanatory. It offers the potential of increased spectrum efficiency, extended range of coverage and reduced delay spread.
Beach, MA +3 more
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Research on PDMA communication system based on complete complementary sequence
EURASIP Journal on Wireless Communications and Networking, 2020 Pattern division multiple access (PDMA) is a new non-orthogonal multiple access (NOMA) technology. It is proposed to meet the challenge of 5G large-scale connectivity and high-frequency spectral efficiency.
Shufeng Li, Baoxin Su, Libiao Jin
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Portable high-end instrument for in-vivo infrared spectroscopy using spread spectrum modulation [PDF]
, 2004 Near infrared spectroscopy (NIRS) can be employed to monitor noninvasively and continuously local changes in hemodynamics and oxygenation of human tissues.
Giardini, M.E., Trevisan, S.
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Analysis and comparison of code index modulation and multi-ary spread spectrum
Dianzi Jishu Yingyong, 2018 In the current anti-jamming communication, the spread spectrum communication has been studied deeply with the advantages of strong anti-jamming ability and good security performance.
Feng Sheng +4 more
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Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA [PDF]
, 2017 This paper presents the designed and implementation of spread spectrum technology for data transfer to overcome the interference problems associated with narrow band, very high frequency and ultra high frequency data transfer systems. The spread spectrum
Karthick, N. (N) +3 more
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A Spread Spectrum Sequence for MC-CDMA System
Dianxin kexue, 2015 The MC-CDMA system takes the advantages of the OFDM system and the CDMA system.The MC-CDMA system is a kind of wireless communication aroused an ongoing and growing research interests,which has the characteristics of high bit transmission rate,high ...
Zhicheng Zhang, Xiaona Huang, Li Xiong
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