R
RACE
Research in Advanced Communications in Europe
RACH
Random Access Channel; uplink only, allows the MS to request an SDCCH in response to a page or for a call
RAM
Random Access Memory
RFP
Radio Fixed Part; equivalent to a base station in a DECT system
RCC
Radio Common Carrier
RELP
Regular pulse Excitation Linear Prediction coding
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
RP
Radio Part
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
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
The Consumer Mobile Glossary
RCL
The function on a cellular phone which recalls a phone number from memory
Roaming
The ability to make and receive calls on the same mobile phone when travelling outside the area of the home network operator
