'Cdma systems' diaporamas de présentation

980 views • 52 slides

Channel Assignment

Channel Assignment. Role of standardizing agency Deciding CH BW Numbering channels Designating channel types (traffic, access, paging, etc). Governing Factors in grouping the channels Co-channel Interference Adjacent channel intereference. Strategies Fixed channel assignment

1.98k views • 40 slides

Channel Assignment

Channel Assignment. Role of standardizing agency Deciding CH BW Numbering channels Designating channel types (traffic, access, paging, etc). Governing Factors in grouping the channels Co-channel Interference Adjacent channel intereference. Strategies Fixed channel assignment

526 views • 40 slides

Lecture 7: Spread Spectrum

918 views • 31 slides

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???? 93 ??? ?????????????. ??????????????????? ????? CHU 93 TR-003 ??????? ????? ?????????????????? ?????????. ????. ?????? ???? ???? ?????? ??. ???????????. ??????????? OFDM ????????????? ???????? ???????? ???????? ??????????????.

458 views • 28 slides

Outline of the talk

Call Admission Control in Mobile Cellular CDMA Systems using Fuzzy Associative Memory Rupenaguntla Naga Satish Dilip Sarkar Computer Science University of Miami. Outline of the talk. What is QoS? Review of CAC Algorithms Proposed CAC System Assumptions

257 views • 24 slides

APPLICATIONS OF SS SYSTEMS

APPLICATIONS OF SS SYSTEMS. THE FUTURE LIES WITHIN. QUICK LOOK BACK. The main concern of a signal The B.W and Energy being used effectively SS trades off between both but provides The secure communication The application of SS lies within its capabilities: Secure Anti jamming capability

342 views • 22 slides

Iterative Multi-user Detection for STBC DS-CDMA Systems in Rayleigh Fading Channels

Iterative Multi-user Detection for STBC DS-CDMA Systems in Rayleigh Fading Channels. Derrick B. Mashwama And Emmanuel O. Bejide. Summary. Investigate performance of Turbo Space-Time Multiuser Receivers Classify such receivers as either Partitioned Approach (PA) or Iterative Approach (IA)

367 views • 22 slides

Optimum Multiuser Detection in CDMA System

Optimum Multiuser Detection in CDMA System. Fatih Alagoz. Outline. Code Division Multiple Access (CDMA) System Model Problem statement and motivation Optimum multiuser detection. The proposed algorithm for CDMA System: complexity and performance measures in AWGN Channel.

312 views • 21 slides

Multiuser Detection for CDMA Systems

Multiuser Detection for CDMA Systems. Paper by A. Duel-Hallen, J. Holtzman, and Z. Zvonar, 1995. Presented by Peter Ang April 27, 2001. Outline. Overview of DS/CDMA systems Concept of multiuser detection (MUD) MUD algorithms Limitations of MUD Conclusion. DS/CDMA Systems.

524 views • 18 slides

Spread Spectrum Communications

323 views • 14 slides

Quick start in SEAMCAT

Quick start in SEAMCAT. European Communications Office Jean-Philippe Kermoal (ECO) December 2009. Creating - Opening - Saving a workspace (.sws). version. Date of release. new. open. save. Select the .sws file. Defining sharing study scenario. iRSS. dRSS. Interfering Transmitter

297 views • 13 slides