Presentation Summary

2001/10/10


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目錄

PowerPoint 簡報

Presentation Summary

Wireless Technology Evolution

Wireless Communications

Cordless or Mobile? DECT and GSM - two Evolution(Developing Steps) of PCS

Major Wireless Standards in North America, Europe, and Japan

Worldwide Digital Cordless Telecommunication Standards

What is DECT and its Benefits?

DECT Technical Summary

DECT 10 Carrier Frequencies

DECT TDMA Frame Structure

How Does FP communicate with PP in DECT Radio Link

How Does DECT Work ? DECT Function Concept

DECT Protocol Layer Structure vs. the OSI Layer

Call Setup of the DECT

DECT Mobile Phone Architecture Model

Signal Flowchart for the Transmit Section of a DECT Transceiver

EXAMPLE : DECT Burst Mode Controller : PDC5040;PDC5041

Pulse Shaping Techniques : Raised Cosine Rolloff Filter and Gaussian Filter

DECT Modulation GFSK Modulation vs. Data Bits

Speech Coding used in Wireless Communications

MOS(Mean Opinion Score) Quality Rating

Performance of Some Popular Speech Coders on the MOS Scale

SIEMENS DECTlink Radio Access System Diagram

SIEMENS DECTlink Radio Access Sinle-line and Multi-line RNT

Main Components in ERICSSON Freeset

ERICSSON Freeset in Business Applications

DECT - The Ideal Solution for Many Applications

DECT Access to a Public Network

DECT Applications for Cordless Phone Applications

DECT Applications for Cordless Phone Applications

" Phones used to be attached by wires; why ? "

DECT Applications for Wireless Local Loop(WLL) Installations Copper Backbone

DECT Applications for Wireless Local Loop(WLL) Installations FTTC Backbone

DECT Applications for Wireless Local Loop(WLL) Installations Microwave Radio Backbone

DECT Applications for Wireless Local Loop(WLL) in Growing Cells

DECT Applications for Telepoint Applications

DECT Applications for Wireless LAN EXAMPLE: NET3(Olivetti) - a Wireless, Star Topology LAN

EXAMPLE: NET3(Olivetti) - A Wireless, Star Topology LAN (cont.)

DECT Applications for Future Applications such as DECT/GSM interworking

DECT Options for Dual Mode Use DECT/GSM Interworking

DECT Seamless Handover

DECT in Comparison DECT vs. CT2

DECT in Comparison DECT vs. PACS

DECT in Comparison DECT vs. PHS

Eavesdropping and Unauthorized Use are Impossible with DECT : Privacy and Authentication

PowerPoint 簡報

臺灣行動通訊頻譜規劃狀況

Position of DECT, PACS, PHS in Outdoors Telecommunications Market

DECT, PACS or PHS ? CT2

電通所與廠商共同開發之DECT產品

DECT, PACS or PHS ? DECT目前領先

IMT-2000 ---- DECT, PACS , PHS

References:

作者:c.n. Yang