spread spectrum communication
Design and Implementation of Wireless Gas Meter Reading System Based on Spread Spectrum Communication
... GPRS communication module, and control the receiving and sending of the spread module through Bluetooth ...controller, spread spectrum communication module, storage module and lithium ...
5
Implementation of Direct Sequence Spread Spectrum Communication System Using FPGA
... The spread spectrum techniques for digital communication were originally developed for military applications because of their high security and their susceptibility to interference from other ...day ...
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Study on the Intelligent Monitoring System of Dry Type Water Meter Based on the Technology of Non Magnetic Pulse Acquisition and Spread Spectrum Communication
... and spread spectrum communication is introduced, and the composition of the system is described, including intelligent water meter and concentrator, community management and management ...
5
Non-Linear Chirp Spread Spectrum Communication Systems of Binary Orthogonal Keying Mode
... Despite these factors, many attempts have been made to explore the non-linear chirps. A method of suppressing narrowband interference in ultra wideband (UWB) systems is realized using sine chirp in [19]. Several attempts ...
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The Effect of Channel Coding Rate on the Resistance of Direct-Sequence Spread-Spectrum Communication Systems to Narrow-Band Interference
... many communication systems, one may confront various intentional or unintentional narrow-band interference ...electromagnetic spectrum scarcity, one may have to design a cellular communication system ...
15
Broadband Interference Excision in Spread Spectrum Communication Systems Based on Short-Time Fourier Transformation
... DS-SS communication system is proposed and the performance of the whole system is simulated by excising an estimate of the interference signal from the received ...
12
Effect of length on Correlation of PN sequence and Gold sequence
... Spread Spectrum is a method of transmission in which the data sequence occupies a bandwidth in excess of the minimum bandwidth necessary to send it ...[1]. Spread spectrum techniques are used ...
5
PLACEMENT AND SIZING OF DISTRIBUTED GENERATORS IN DISTRIBUTED NETWORK BASED ON LRIC AND LOAD GROWTH CONTROL
... establish spread spectrum communication system based on dual ...subscribers. Spread spectrum communication technology and channel coding technology are combined application, when ...
5
Effect of Length on Correlation of PN Sequence and Gold Sequence
... Spread spectrum communication has two characteristics first one is the bandwidth of the signal transmission is much larger than the bandwidth of the original information signal and the second is that ...
5
Comparative Simulation & Analysis of 2- PSK Spreading Transceiver
... Wireless communication technology has taken on a prominent position in indoor environment applications recently, therefore direct sequence spread spectrum (DSSS) is proposed in addition to binary ...
5
INFORMATION HIDING TECHNIQUE: DIGITAL WATERMARKING
... the spread spectrum communication technique. The spread spectrum watermarking schemes are the use of spread spectrum communication in digital ...in ...
8
FPGA Implimentation of DSSS Transmitter Using Pseudo Chaotic Sequence
... In spread spectrum communication systems, Pseudo noise sequence is used to spread the bandwidth of transmitting ...in spread spectrum ...can spread the bandwidth in larger ...
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DIFFERENT SPREADING SEQUENCES FOR PERFORMANCE COMPARISON OF DS-SS SYSTEM B Ch Kiran Patrudu*, D.Anil Prasad, B Ravi Kumar
... Spread spectrum techniques have been widely used in wired and wireless ...signal spectrum gives us many advantages such as robustness against interference and noise, low probability of intercept, ...
6
Radar Communication Integration Based on MSK LFM Spread Spectrum Signal
... use spread spectrum technol- ogy to achieve integrated waveform, it should have the same advantages and spread spectrum ...sequence spread spectrum, or the chirp pulse of LFM ...
10
SECURED COMMUNICATION USING SPREAD SPECTRUM TECHNIQUES
... Spread Spectrum communication system holds a promising future for heightened secured ...a spread spectrum ...band spread is accomplished by utilising a code which is independent ...
6
Modeling and Simulation of CDMA Codes in Scilab
... This paper presents a simple, effective and efficient method for analysis of LFSR, used for CDMA; with com- puter algebra tool Scilab and Xcos. Advanced models of PN-Generator for I and Q channels are designed. This ...
8
Spread Spectrum Sensing Techniques for Transformer Frequency Response Data
... channels, spread spectrum is proposed in the literature [3]. Spread spectrum can be defined as a modulation technique in which pseudo-random sequence is used in expanding the actual bandwidth ...
8
Novel Attacks on Spread-Spectrum Fingerprinting
... Gaussian, spread-spectrum fingerprinting, where each user is identified by a random, Gaussian signal which is added to the copyrighted file (host ...
15
A joint adaptive MMSE downlink receiver
... Channelisation codes 1 to 3 are applied to spread the spectrum of tbe data The spread spectrum signal is organised in data bursts of type 1 and transmitted through a baseband equivalent [r] ...
6
Detection of direct sequence spread spectrum signals
... Wireless communication has become an integral component of both military and non- military life [13], where non-military refers to the use of communication systems in sup- port of civilian, criminal and ...
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