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CDMA Session 8 Nilesh Jha IS95 CDMA DIGITAL CELLULAR --- CDMA Same frequency allocations as TDMA (but different bandwidths per signal, so grouped differently) Started ...
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CDMA Motohiro Ichinose CDMA Code Division Multiple Access (CDMA) A digital wireless technology that uses a
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Title: Slide 1 Author: Joseph Foglietta Last modified by: Joseph Foglietta Created Date: 3/23/2004 8:22:49 PM Document presentation format: On-screen Show
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Title: PowerPoint Presentation Last modified by: Created Date: 1/1/1601 12:00:00 AM Document presentation format:
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Technical Introduction to CDMA Course Outline Basic CDMA Principles Coding Forward and Reverse Channels CDMA Operational Details Multiplexing, Forward and Reverse ...
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Some CDMA (Details) MODELLING of the SIGNAL ,b(t) PN: Pseudorandom Number a[n] In practice, not so random Five Properties of Good PN-sequences Properties 4&5 i.e.
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Only this and nothing more.' Edgar Allen Poe, The Raven. The Visitor Design Pattern ... Houses with distinct characteristics ...
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bpsk,cdma ( * ( * bpsk,cdma ...
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Title: PowerPoint Last modified by: lln Created Date: 12/23/2002 12:52:22 AM Document presentation format: Company: ...
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ZTE Corporation CDMA Division CDMA Key Technology Power Control Near-far problem If all mobiles transmitted at the same power level, the base station would ...
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Its all about CDMA & GSM, How the Cellular works, with Architecture Designs and Diagrams...............
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CDMA Technology Overview Lesson 5 Power Control, Registration, and Handoffs Power Control CDMA Power Control CDMA is an interference-limited system based on the ...
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LTE kontra CDMA k l n s tekintettel 450 MHz-es tartom nyra Dr. Pap L szl BME H l zati Rendszerek s Szolg ltat sok Tansz k HTE R di t vk zl si ...
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Title: No Slide Title Author: Jennifer Kanniard Last modified by: Jennifer Kanniard Created Date: 2/12/1999 6:50:00 PM Document presentation format
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CDMA, OFDM CDMA Code Division Multiplexing CDMA Used in 3G networks. Direct Sequence Spread Spectrum: spread a data bit into multiple chips. Each sender has a unique ...
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Dr. Kourosh Parsa VP Systems Engineering, Golden Bridge Technology, Inc. Chair: ... Hughes Network Systems (HNS) InterDigital Communications Corporation ...
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MIMO MC CDMA 19
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... when Nyquist filters are used within DS-CDMA, RAKE may wrongly combine paths) ... It may be difficult for DS-CDMA RAKE to employ all the received signal energy ...
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Multi-user CDMA Enhancing capacity of wireless cellular CDMA Topics Today Dealing without multi-user reception: asynchronous CDMA SNR power balance - near-far effect ...
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Barker Code. BPSK/QPSK. DS-SS. CCK. BPSK/QPSK. PBCC. BPSK/QPSK. PBCC. QPSK/8PSK. DS-SS. OFDM ... 11-chip Barker Code (BC) 33. WLAN. 5.5 & 11 Mbps CCK DS-SS [802.11 b] ...
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CDMA System Basis Features of Wireless Telecomm Individually Bad propagation environment Co-channel, Adjacent channel interference and near-far effect.
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Why Satellite Communications System. Multiple Access Schemes. CDMA ... Exploitation of multipath RAKE Receiver. Satellite path diversity exploitation for: ...
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Adaptive Lattice Filters for CDMA Overlay DSP 2 Project Presentation By Rajat Kapur & AdityaKiran Jagannatham
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Title: CDMA Mobile Communication Technology Author: Fei Last modified by: Fei Created Date: 6/22/1999 12:21:39 PM Document presentation format: On-screen Show (4:3)
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Smart Antennas in Cellular CDMA- Systems Adrian Boukalov adrian.boukalov@hut.fi Helsinki University of Technology Communications Laboratory Content
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Title: Training Author: nobody Last modified by: Prof.Vinod Sharma Created Date: 6/2/1995 10:15:24 PM Document presentation format: On-screen Show Other titles
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The Coding and Modulation process in CDMA ... This is possible since CDMA is a wide band ... Studies have shown that 50% of the time there is no speech signal ...
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Multiuser Detection in CDMA
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Multi User Detection for CDMA Group Members:-Bhushan G. Jagyasi-Himanshu Soni Multiple Access Interference(MAI) Conventional Detector Actual Problem y(t) = b1. f1 ...
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high data rates : (minimum) 144 kb/s in all radio environments and 2 Mb/s in low ... terminals & SIMs will cooperate in requesting, storing and executing ...
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GSM vs. CDMA Comparing the two most prevalent mobile communication technologies What is ? GSM (Global System for Mobile Communication) Based on TDMA technology ...
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Fashion item. Small! Even babies in Korea have mobile phones! The Demands ' ... Emerging. High-speed internet (ADSL, cable, satellite, fixed wireless) ...
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Introduction Basic multiple access techniques Evolution of MC-CDMA Technologies in MC-CDMA Applications of MC-CDMA Advantages and problems of MC-CDMA Key challenges ...
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MM4 Addressing Scheme for CDMA Community-Discussion Richard Xu Chief Architect Aicent, Inc richard.xu@aicent.com Background Identifying the MM4 interface at ...
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Supported in part by Office of Naval Research Award N00014-96-1-0315. 2 ... Relax integrality constraints on x, y, and s variables. ...
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Title: Technical Introduction to CDMA Author: Scott Baxter Last modified by: Scott Baxter Created Date: 10/25/1996 4:20:47 PM Document presentation format
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Overview of Radiolocation in CDMA Cellular Systems James J. Caffery, Jr. Gordon L. Stuber Georgia Institute of Technology Radiolocation Measures parameters of radio ...
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Digital modulation has several advantages over analog modulation: Digital signals can be more ... rates but at some penalty in speech quality Hybrid Coders ...
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CDMA Control Channel Traffic Analyzer. Tune Radio. Listen to Pilot ... Network ID, System ID, Incoming Caller IDs, Outgoing Call Information, GPS Atomic Time...
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Instead, this approach allocates all resources to ... Rake Receiver ... (RAKE fingers) isolate the multipath components and the RAKE receiver combines them. ...
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CDMA Technologies for Cellular Phone System
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3G CDMA - WCDMA and cdma2000 Rodger E. Ziemer IEEE Communications Society Distinguished Lecturer Program Rules for Efficient Multiple Access Three laws Know the ...
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Implementation Issues of the Multiuser Detection in CDMA Communication Systems Gang Xu April 28, 1999 Electrical and Computer Engineering Department,
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Signaler, Sensorer & System. 31/05/01 ... Implementation of a real-time digital acoustic. communication system using CDMA. The system should work reliably in a ...
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Multimedia Support for Wireless W-CDMA with Dynamic Spreading By Ju Wang Mehmet Ali Elicin And Jonathan C.L. Liu Lecture by Seth Caplan Key Words CDMA (Code Division ...
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Loran as an Independent Source of UTC. in Telecommunication ... Detour, MI - August 17, 2002. Bay City, MI - August 17, 2002. Zanesville, OH - August 17, 2002 ...
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Quality degrades as the number of users in a given cell increases ... multimedia support (real time audio, high speed data, HDTV video content, mobile ...
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ComNets FFV Multihop MAC Protocol for MC-CDMA based WLANs confidential Georgios Orfanos RWTH Aachen University, Chair of Communication Networks 31.03.2006
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Dr. Kourosh Parsa VP Systems Engineering, Golden Bridge Technology, Inc. Chair: Baseband CAI WGII TR46.1 Voice: 732 728-9627 Email: kpgbt@aol.com 3GPP-TSG RAN WG2 ...
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... (for the two data bits shown) if the sender's CDMA code was (1, -1, 1, -1, 1, -1, 1, -1) ... 2's data from the aggregate channel signal by using sender 2's ...
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Traffic Engineering Typical Traffic Distribution on a Cellular System 80% Efficiency % 100% 90% SUN 41 80% MON 70% TUE 60% 50% WED Capacity, Erlangs 40% THU 30% FRI
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Title: PowerPoint Presentation Last modified by: Mustafa Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show (4:3) Other titles
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US PCS. 815 - 849. 860 - 894. 0 (800 MHz) USCellular. US Cellular. Reverse Link Frequency Range (MHz) Forward Link Frequency Range (MHz) ...
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Examples are packet data roaming, direct routing roamer-to-roamer (DRRR) ... approve roaming project ... 9 carriers now offering 1X PD roaming service. ...
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