name: RV
full_form: Redundancy Version
context: radio bearers no delay of RTP packets is caused by RTCP transmission. Comparison of the Iu aspects with the "separate PDP contexts solution": There is no need of a binding between the RABs associated to each separate RTP and RTCP flows in the SRNC. Instead the CN needs to provide the RNC with the UDP port number to enable the separation of the different flows. There is no need for the application in the UE to map RTP and RTCP flows onto the relevant PDP contexts. In the "separate PDP contexts solution", when a dedicated PDP context is used for RTCP flows, the application in the UE must be capable of multiplexing the RTCP flows into this dedicated PDP context. Unlike "separate PDP contexts solution", there is no need for the UE, the SGSN and the GGSN to be able to support a higher number of PDP contexts. In the "separate PDP contexts solution" the number of PDP contexts is increased drastically. If we consider that a multimedia session comprises potentially multiple media components,
description: The Redundancy Version (RV) is a parameter used in the Hybrid Automatic Repeat Request (H-ARQ) process to select a specific sequence of redundancy versions for transmission. It is determined by the RV selection parameters Xrv and is influenced by the modulation scheme, such as QPSK or 16-QAM.
explanation: The text describes RV as a parameter within the H-ARQ process that influences transmission sequences based on other parameters and modulation schemes. This clearly defines it as a configurable element controlling system behavior, fitting the definition of a Parameter.
section_title: Redundancy Version Selection
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