R

RACH - Random Access Channel
RACE - Research in Advanced Communications in Europe


RAM - Random Access Memory

RAP3G- Radio Application Processor 3rd Generations
RCC - Radio Common Carrier


Reuse:
The assignment of frequencies or channels to cells so that adjoining cells do not use the same frequencies and cause interference whereas more distant cells can use the same frequencies. Reuse expands the capacity of a cellular network by enabling the use of the same channels throughout the network

RELP - Regular pulse Excitation Linear Prediction coding


RF AMP = Radio Frequency Amplifier

RFP - Radio Fixed Part
(equivalent to a base station in a DECT system)

RNC
Radio Network Controller; the element which controls the Node Bs within a UMTS network. It is roughly analogous to a BSC in a GSM network
RP - Radio Part

Roaming:
A service unique to GSM which enables a subscriber to make and receive calls when outside the service area of his home network e.g. when travelling abroad

Router:
A device which forwards information in a network on a connectionless basis

RRM - Radio Resource Management, part of the UMTS infrastructure

RT - Remote Terminal

RX :- signal received
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