Gsm Standards

RAHUL AGRAWAL 09CO71 rahulagr2000@gmail.com COMPUTER NETWORKS (CO303) Course Instructor: Mr B R Chandavarkar bear 2 (CNAS2071_rahul_agrawal) Problem Statement: Study and write in front long notes on the features and services provided by visible class in 1G, 2G, 3G and 4G networks. 1. Brief Description of the PHYSICAL LAYER of the transmission control protocol/IP architecture The corporal stratum consists of the basic hardware transmittal technologies of a network. It is a fundamental layer underlying the logical entropy structures of the higher level functions in a network. Due to the overplus of visible(prenominal) hardware technologies with widely varying characteristics, this is perhaps the just about complex layer in the OSI architecture. The Physical Layer defines the core of transmitting information molybdenums quite an than packets over a material link connecting network nodes. The bit stream may be grouped into code speech communication or symbols a nd converted to a physical signal that is catching over a hardware transmission medium. The Physical Layer provides an electrical, mechanical, and procedural interface to the transmission medium. In a nutshell, the Physical Layer translates logical communication theory requests from the Data involvement Layer into hardware-specific operations to affect transmission or reply of electronic signals. 2. Physical Layer Technologies/ Features in Wireless Networks The Physical layer takes care of the following issues in wireless data transmission ? Spectrum The part of the electromagnetic spectrum is used, what is the overall bandwidth available, how is this part into channel? Ensures that mechanisms are available to underwrite utilised bandwidth to pick up coexistence with other users of the same spectrum. ? Propagation - Power levels that are permitted by regulatory authorities in the spectrum in question. The mechanisms are available to control the transmitted po wer or propagation form to inform co-chann! el interference for other users, maximise effective veer or utilise...If you want to get a full essay, sight it on our website: OrderCustomPaper.com

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