A Wireless Multimedia Network on a Time Division Duplex CDMA/TDMA

スポンサーリンク

概要

• 論文の詳細を見る

• A novel wireless multimedia network employing a time division duplex CDMA/TDMA scheme is proposed. The network connects mobile multimedia terminals to an ATM based LAN through a radio central unit, and provides both uplink and downlink with unbalanced data rates in the same frequency band. The uplink (from a mobile terminal to a radio central unit) employs a CDMA scheme to transmit low speed human interface signals (-2.4 kbit/s), and the downlink employs a TDMA scheme to transmit high speed video signals (-24 Mbit/s). The data rates of both links are independent from that of the LAN. The uplink also employs a RAKE receiver and a forward error correction (FEC) scheme using a BCH code in order to reduce bit errors caused by multipath fading. To mitigate channel degradation caused by the near-far problem and multipath fading, a transmission power control (TPC) method for both links and a channel equalizer (CEQ) for the downlink are proposed. The control signals for the TPC and the CEQ are estimated from the impulse response of the channel which is extracted as the output of the matched filters in the CDMA receiver. Theoretical analyses are performed to evaluate the bit error rate (BER) characteristics of the proposed network. The BER performance is derived for a general multipath fading condition modeled by the Nakagami-m distribution and a typical delay profile. Numerical calculation using recent propagation measurements shows the bit error rates of both uplink and downlink to be less than 10^lt-6gt when both of the TPC and the CEQ are employed if there are some specular components in the received signals. This excellent performance can cut a way to realize a mobile multimedia terminal for customer premises. Furthermore, the configuration of the mobile terminal is quite simple even if the high speed TDMA signals are received over a multipath fading channel.

• 社団法人電子情報通信学会の論文
• 1995-07-25

著者

• Kato Shuzo

  Pacific Communications Research Corp.

• Sanada Yukitoshi

  Department Of Electrical And Computer Engineering University Of Victoria

• Seki Kazuhiko

  NTT Wireless Systems Laboratories

• Kato Shuzo

  NTT Wireless Systems Laboratories

• Seki K

  Research Center For Materials Science Nagoya University

• Seki Kazuhiko

  Department Of Materials Science Faculty Of Science Hiroshima University

• WANG Qiang

  Department of Chemistry and Chemical Biology, Gunma University

• Wang Q

  Department Of Electrical And Computer Engineering University Of Victoria

• Wang Qiang

  Department Of Materials Processing Engineering Nagoya University

• Bhargava V

  Univ. British Columbia Can

• Bharhgava Vijay

  Department Of Electrical And Computer Engineering University Of Victoria

• Wang Qiang

  Department Of Chemistry And Chemical Biology Gunma University

• Wang Qiang

  北京気象学院

• Sanada Y

  Dept. Of Electronics And Electrical Engineering Keio University

• Sanada Y

  Faculty Of Engineering Tokyo Institute Of Technology

• Kohri Sachiko

  Materials And Electronic Devices Laboratory Mitsubishi Electric Corporation

• Wang Qiang

  Department Of Anesthesiology Plastic Surgery Hospital Chinese Academy Of Medical Sciences And Peking

関連論文

• Phase Ambiguity Resolver for PCM Sound Broadcasting Satellite Service with Low Power Consumption Viterbi Decoder Employing SST Scheme
• VLSI Implemented 60 Mb/s QPSK/OQPSK Burst Digital Demodulator for Radio Application (Special Issue on Multimedia, Analog and Processing LSIs)
• A New Burst Coherent Demodulator for Microcellular TDMA/TDD Systems (Special Issue on Personal, Indoor and Mobile Radio Communications)
• A New Fully-Digitalized π/4-Shift QPSK Modulator for Personal Communication Terminals (Special Issue on Personal, Indoor and Mobile Radio Communications)
• A Digitalized Quadrature Modulator for Fast Frequency Hopping
• Identification of Aluminum Species in an Aluminum-accumulating Plant, Hydrangea (Hydrangea macrophylla), by Electrospray Ionization Mass Spectrometry
• FOXP3 is a homo-oligomer and a component of a supramolecular regulatory complex disabled in the human XLAAD/IPEX autoimmune disease
• Localization of Heat Shock Proteins in Human Tonsils with Special Reference to Follicular Dendritic Cells, Interdigitating Cells and Fibroblastic Reticulum Cells
• Performance of Adaptive Array Antennas with Multicarrier DS/CDMA in a Mobile Fading Environment(Special Issue on Third Generation Land Mobile Communication Systems)
• Performance of Adaptive Array Antennas with Multicarrier DS/CDMA in a Mobile Fading Environment
• Reverse Modulation Carrier Recovery for Offset QPSK Burst Signals
• A Channel Equalization Technique on a Time Division Duplex CDMA/TDMA System for Wireless Multimedia Networks
• A Transmission Power Control Technique on a TDD-CDMA/TDMA System for Wireless Multimedia Networks
• A Wireless Multimedia Network on a Time Division Duplex CDMA/TDMA
• Application of the VLC Parallel Transmission Technique to Motion Vector Transmission (Special Section on Spread Spectrum Techniques and Applications)
• Local Structures of Carbon Thin Films Synthesized by the Hot Filament Chemical Vapor Deposition Method X-Ray-Absorption Near-Edge Structure and Raman Spectroscopic Studies
• Temperature-Dependent Br K-Edge EXAFS Study on AgBr_xCl_ Solid Solutions
• XANES and Raman Spectroscopic Studies of Diamond Films Synthesized by Hot Filament CVD
• 東中国湖北省南東部 Tongshankou および Yinzu のアダカイト質貫入岩並びに随伴斑岩銅モリブデン鉱化作用の地球化学的岩石成因学的研究
• Molecular Orientation in the Organized Molecular Films of Fluorinated Comb Polymers with Various Chain Lengths Studied by Soft X-ray Absorption Spectroscopy
• Energy Level Alignment and Band Bending at TPD / Metal Interfaces Studied by Kelvin Probe Method (Special Issue on Organic Molecular Electronics for the 21st Century)
• Study of α-Sexithienyl Thin Film by Polarized Near Edge X-ray Absorption Fine Structure
• Molecular Oriented Thin Film of Biphenyl-4,4'-dithiol Fabricated by Molecular Beam Deposition Method
• nergy Level Alignment at Alq3/LiF/Al Interfaces Studied by Electron Spectroscopies: Island Growth of LiF and Size-Dependence of the Electronic Structures
• Phase Determination of Second-Order Surface Susceptibility Tensor of Liquid Crystal Monolayer Using Ultra-Thin Film Local Oscillator
• X-Ray Photoelectron Spectroscopy Study of a Self-Assembled Monolayer of Thiophene Thiol
• Fabrication and Characterization of 3-DOF Soft-Contact Tactile Sensor Utilizing 3-DOF Micro Force Moment Sensor
• Experimental Investigation of Undersampling for Adjacent Channel Interference Cancellation Scheme(Wireless Communication Technologies)
• Novel CSMA Scheme for DS-UWB Ad-hoc Network with Variable Spreading Factor(Wide Band Systems)
• Laparoscopic Management of Recurrent Adhesive Small-Bowel Obstruction : Long-Term Follow-Up
• Formation of Merocyanine Self-Assembled Monolayer and Its Nonlinear optical Properties Probed by Second-Harmonic Generation and Surface Plasmon Resonance
• 20-P2-CJK15 Evaluation and Analysis of the amendment of prescribing information for ceftriaxone base on the interaction with calcium-containing products
• Ultrathin-film Local Oscillator for Determination of Complex Components of Second-Order Nonlinear Susceptibility
• Copper Distribution in Fe-Cu and Fe-C-Cu Alloys under Imposition of an Intense Magnetic Field
• Determination of scopoletin in rat plasma by high performance liquid chromatographic method with UV detection and its application to a pharmacokinetic study
• UPS Study of Poly(phenylenevinylene)s Substituted with Hexyloxy,Phenoxy, and Nitroxy Residues
• Cretaceous high-potassium, intrusive rocks in the Yueshan-Hongzhen area of east China : Adakites in an extensional tectonic regime within a continent
• Ultraviolet Photoelectron Spectroscopy of Alkaline-Metal Doped Polyacetylene
• Analysis on Interference Rejection of DS/SS Systems Using a Complex FIR Filter(Wide Band Systems)
• Electrical Transport Properties of Perchlorate-Doped Oriented Polyacetylene
• Increased Expression of Annexin A1 Is Correlated with K-Ras Mutation in Colorectal Cancer
• Outage Probability Analysis for Cellular Mobile Radio Systems Subject to Nakagami Fading and Shadowing
• Comments on use of a Parker Flex-Tip tube^【○!R】 to facilitate intubation with the Pentax-AWS^【○!R】
• SYSTOLIC TIME INTERVALS AND IMPEDANCE CARDIOGRAM IN PREGNANT AND TOXEMIC WOMEN
• B-5-6 A New Method for CAS Detection
• Can 8% lidocaine spray 10min prior to endotracheal intubation reduce the incidence of postoperative sore throat?
• Microstructure of Martensite/Bainite Dual-phase Grey Cast Iron and Its Strengthening Mechanism
• Digital Compensation Scheme for Coefficient Errors of Complex Filter Bank Parallel A/D Converter in Low-IF Receivers(Special Issue on Software Defined Radio Technology and Its Applications)
• Generation of Compression Waves by Simultaneously Imposing a Static Magnetic Field and an Alternating Current and Its Use for Refinement of Solidified Structure
• Non-Contact Generation of Intense Compression Waves in a Molten Metal by Using a High Magnetic Field
• HEIFE領域で観測された夜間下降流
• Cellular prion protein promotes glucose uptake through the Fyn-HIF-2α-Glut1 pathway to support colorectal cancer cell survival
• Decision Directed Scheme for IQ Imbalance Compensation on OFCDM Direct Conversion Receiver(Wireless Communication Technologies)
• Dual-Stage Detection Scheme for Ultra-Wideband Detect and Avoid
• Alignment of Fe-rich Primary Phase in Cu-Fe Alloy Solidified under a High Magnetic Field
• Quantitative Analysis of Saponins in the Chinese Drug, Qiyeyizhihua, by High Performance Liquid Chromatography
• Randomized, multicenter, double-blind, and placebo-controlled trial using topical recombinant human acidic fibroblast growth factor for deep partial-thickness burns and skin graft donor site

もっと見る 閉じる

スポンサーリンク