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Channels on Air Interface

Channels on Air Interface

Channels on Air Interface. The GSM radio interface. The radio interface is the interface between the mobile stations and the fixed infrastructure. It is one of the most important interfaces of the GSM system.

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733 views • 53 slides
Second Generation (2G) Cellular

Second Generation (2G) Cellular

Second Generation (2G) Cellular. Dr. A. Chockalingam Assistant Professor Indian Institute of Science, Bangalore-12 achockal@ece.ucsd.edu http://www.ece.iisc.ernet.in/~achockal. 2G Cellular Systems. GSM European Digital Cellular Standard TDMA Access Technology IS-54/IS-136

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654 views • 41 slides
3rd Generation Systems

3rd Generation Systems

3rd Generation Systems. Review of Cellular Wireless Networks UMTS. UMTS (Universal Mobile Transport Service). Requirements 384 Kbps for full area coverage 2 Mbps for local area coverage variable bit rate packet traffic support

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649 views • 39 slides
3rd Generation Systems

3rd Generation Systems

3rd Generation Systems. Review of Cellular Wireless Networks UMTS. Cellular Wireless Network Evolution. First Generation : Analog AMPS: Advance Mobile Phone Systems Residential cordless phones Second Generation : Digital IS-54: North American Standard - TDMA IS-95: CDMA (Qualcomm)

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407 views • 39 slides
CSMA Enhancement Suggestion

CSMA Enhancement Suggestion

CSMA Enhancement Suggestion. Date: 2014-05-12. Authors:. Abstract. CSMA/CA mechanism used in 802.11 is good for low density WLAN deployment. However the use cases that HEW is to address are for high density deployment.

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259 views • 14 slides

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