THEORY OF SPREAD SPECTRUM COMMUNICATIONS

Hindawi Publishing CorporationEURASIP Journal on Wireless Communications and NetworkingVolume 2007, Article ID 14916, 9 pagesdoi:10.1155/2007/14916Research ArticleInterference Excision in Spread Spectrum CommunicationsUsing Adaptive Positive Time-Frequency AnalysisSridhar Krishn[r]

trial purposes. In the future, hardlyanyone will escape being involved, insome or the other way, with spread-spectrum communications.Commercial applications forspread spectrum range from wirelessPC-to-PC local area networks (LANs) D. PRABAKARANon spread spectru[r]

EURASIP Journal on Applied Signal Processing 2003:12, 1210–1218c 2003 Hindawi Publishing CorporationNonstationary Interference Excision in Time-FrequencyDomain Using Adaptive Hierarchical LappedOrthogonal Transform for Direct SequenceSpread Spectrum CommunicationsLi-ping ZhuDepartment of<[r]

The objective of this book is to provide the reader with a concise introduction to the useof spread spectrum waveforms in multiple user systems, often termed code division multipleaccess or CDMA. The book has been an outgrowth of course notes presented in a graduate-level[r]

Hindawi Publishing CorporationEURASIP Journal on Applied Signal ProcessingVolume 2006, Article ID 47245, Pages 1–15DOI 10.1155/ASP/2006/47245Optimal Training for Time-Selective WirelessFading Channels Using Cutoff RateSaswat Misra,1, 2Ananthram Swami,1and Lang Tong21The Army Research Laboratory, Ade[r]

in practical CR systems, resulting in a synchronization problem for data fusion. To enablecombination of both synchronous and asynchronous sensing information from different SUs,a probability-based combination method has been proposed in [75] by taking the time offsetsamong local sensing obse[r]

pntFHModulatorPNcodeRF (2.4 GHz)4-GFSKModulatorfhi2 Mbps 1 Msps 1 MspsDSSSThe DSSS physical layer uses an 11-bit Barker sequence to spread the data before it istransmitted. This sequence gives a processing gain of 10.4 dB, meeting the minimumrequirements of FCC 15.247 and ETS 30[r]

INFORMATION ON MASTER’THESIS1. Full name: Nguyen Duc Vinh2. Sex: Male3. Date of birth: 07.02.19784. Place of birth: Thai Nguyen5. Decision to recognize students of :2714QĐ-CTSV on May 18/12/20086. The changes in the training process: No7. Title of dissertation:"To the pai[r]

scheme is proposed where each of the multiple-relay nodesperforms QR decompositions of the backward and forwardchannelmatricesinconjunctionwithphasecontrol(QR-P-QR). A group nulling approach is used to decompose a mul-tiple source-destination (SD) MIMO relay channel into par-allel inde[r]

The article “ZAP: A Distributed Channel Assignment Algorithm for Cognitive Radio Networks” by Paulo Roberto Walenga Junior, Mauro Fonseca, Anelise Munaretto, Aline Carneiro Viana, and Artur Ziviani proposes an algorithm for the distributed channel assignment in cognitive radio networks, which, in co[r]

The alternative approach is to determine the autocorrelation of the signal,1Principles of Random Signal Analysis and Low Noise Design:The Power Spectral Density and Its Applications.Roy M. HowardCopyright¶2002 John Wiley &amp; Sons, Inc.ISBN: 0-471-22617-3defined asR(T, t, ) :x(t)[r]

Different techniques are proposed to provide reliable andhigh data rate communication access. One of these possibletechniques is power line communications (PLC) which ex-ploits the power supply grid for indoor and outdoor commu-nication purpose. Recently, orthogonal frequency divisionmu[r]

John Wiley, 1996. "  John A. Gubner, Probability and Random Processes for Electrical and Computer Engineering, Cambridge Uni. Press, 2006 "  Peter Vary, Digital Speech Transmission, Wiley, 2006. !  Course reference: "  Alle-Jan van der Veen and Geert Leus, ET4235: DIGITAL SIGNAL PROCESSING, 2011. Co[r]

9.1.3. Calculate the energies of the levels originating from the n = 2 level inthe presence of the crossed fields E0and B0. Show that one recovers (9.1)with ωe=(3/2)f(2)Ωe, and give the value of f(2).9.2 Pauli’s ResultThe first experimental verification of Pauli’s result was[r]

multipath Defines when portions of signals are reflected and then arrive out of order at thereceiver.Multiple Basic Service Set Identifier (MBSSID) Used when the AP has more than onenetwork.Multiple-Input Multiple-Output (MIMO) A technology that is used in the new 802.11nspecification.[r]

throughput can suffer significant loss with an inappropriatechoice of carrier sense threshold [9]. Zhu et al. reported thata tunable sensing threshold can effectively leverage the spa-tial reuse of WLAN [10]. Zhai and Fang found that the op-timal carrier sensing threshold of WLAN f[r]