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direct-sequence spread-spectrum code-division multiple-access cordless phone

Modeling and Simulation of CDMA Codes in Scilab

Modeling and Simulation of CDMA Codes in Scilab

... as Direct Sequence Code Division Multiple Access ...Gold Code Generator for Global Positioning System ...by spread spectrum ...

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Influence of laser diode nonlinearities on fibre optic systems supporting direct-sequence code division multiple access signals

Influence of laser diode nonlinearities on fibre optic systems supporting direct-sequence code division multiple access signals

... of spectrum on each-way link, or 10% of the available cellular spectrum for a ...spreading sequence for each mobile. A pilot code is also transm itted simultaneously and at a higher power ...

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BER Calculation for CDMA System Using PN & Gold Sequence

BER Calculation for CDMA System Using PN & Gold Sequence

... many multiple access scheme available today, but spread spectrum modulation technique is different from the other conventional communication ...system. Spread spectrum modulation ...

5

Blind estimation of long and short Pseudo random codes in multi rate LSC DS CDMA signals

Blind estimation of long and short Pseudo random codes in multi rate LSC DS CDMA signals

... codes direct sequence code division multiple access signal, in this paper, a novel codes estimation method based on Fast-ICA algorithm and sequences properties is proposed in ...

7

Multiuser Detection Assisted Time  and Frequency Domain Spread Multicarrier Code Division Multiple Access

Multiuser Detection Assisted Time and Frequency Domain Spread Multicarrier Code Division Multiple Access

... multicarrier direct-sequence code-division multiple- access (MC DS-CDMA) scheme, which employs both time (T)-domain and frequency (F)-domain ...TF-domain spread MC DS-CDMA ...

9

Multi Functional Antenna Array Assisted MC DS CDMA Using Downlink Preprocessing Based on Singular Value Decomposition

Multi Functional Antenna Array Assisted MC DS CDMA Using Downlink Preprocessing Based on Singular Value Decomposition

... Multi-Carrier Direct Sequence Code Division Multiple Ac- cess (MC DS-CDMA) constitutes a high-flexibility multiple-access scheme, which is capable of providing a degree of ...

5

Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems

Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems

... Block Code (STBC), which was capa- ble of achieving a substantial diversity gain by simultaneously transmitting two symbols with the aid of two ...for Direct Sequence Code Division ...

5

Effect of length on Correlation of PN sequence and Gold sequence

Effect of length on Correlation of PN sequence and Gold sequence

... C/A Code” details of GPS signal structure, its application in satellite based navigation ...of code and carrier tracking loops in ...in Code Division Multiple Access (CDMA) ...

5

Effect of Length on Correlation of PN Sequence and Gold Sequence

Effect of Length on Correlation of PN Sequence and Gold Sequence

... ABSTRACT: Spread spectrum modulation technique is different from the conventional communication ...Pseudo-random sequence is the basis of spread spectrum communication systems intern ...

5

Time Hopping Multicarrier Code Division Multiple Access

Time Hopping Multicarrier Code Division Multiple Access

... of spread-spectrum (SS) scheme, which was initially proposed in the 1960s (see [1], [2] and the references in them) in parallel with the other two types of SS schemes, namely direct-sequence ...

11

Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications

Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications

... Hopping Spread Spectrum) technologies are not as popular as the other two spread spectrum techniques, ...(Direct Sequence Spread Spectrum) and FH-SS (Frequency ...

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Using chaotic sequence in direct sequence spread spectrum based on code 
		division multiple access (DS CDMA)

Using chaotic sequence in direct sequence spread spectrum based on code division multiple access (DS CDMA)

... significant feature of the chaotic system are it’s sensitively dependence on its initial condition. It is properly illustrated by the finding of professor Flikkema, teaching meteorology at MIT. In 1997, Flikkema ...

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Capacity Improvement Using Adaptive Sectorisation in WCDMA Cellular Systems with Non-Uniform and Packet Mode Traffic

Capacity Improvement Using Adaptive Sectorisation in WCDMA Cellular Systems with Non-Uniform and Packet Mode Traffic

... Mobile Phone Service (AMPS) developed in USA in ...This spectrum is divided into 832 frequency channels leaving 416 channels in the uplink and another 416 channels in the ...

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Spread Spectrum Sensing Techniques for Transformer Frequency Response Data

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 ...

8

Implementing Multiple Security for Audio Steganography

Implementing Multiple Security for Audio Steganography

... In spread spectrum technique [10][11], the original signal is first transformed to another domain using domain transformation techniques. The embedding technique can use any type of approach for example ...

5

WCDMA in Malaysia

WCDMA in Malaysia

... Jon Eddy, Chief Operating Officer at Maxis, says: "We are aiming to expand our broadband footprint through this high-quality network while also supporting the government's national broadband plan. Maxis broadband is ...

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Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels

Support Vector Machine Multiuser Receiver for DS CDMA Signals in Multipath Channels

... IRECT-sequence code-division multiple-access (DS-CDMA) [1] constitutes an attractive multiuser scheme that allows users to transmit at the same carrier fre- quency in an uncoordinated ...

8

Direct sequence spread spectrum ultrasonic testing device

Direct-sequence spread-spectrum ultrasonic testing device

... wide-band direct-sequence spread-spectrum signals continuously drives one or more transmitting transducers, thereby flooding a test object with coded ...object. Code division ...

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COPYRIGHT Danish Standards Foundation. NOT FOR COMMERCIAL USE OR REPRODUCTION. DS/ISO/IEC :2012

COPYRIGHT Danish Standards Foundation. NOT FOR COMMERCIAL USE OR REPRODUCTION. DS/ISO/IEC :2012

... the direct sequence spread spectrum (DSSS) 2,4 GHz air interface protocol, establishes a technical standard for real-time locating systems that operate at an internationally available 2,4 GHz ...

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