25.331 3GPP PDF


ETSI TS V (). 1. 3GPP TS version Release Reference. RTS/TSGRvd Keywords. UMTS. Descriptor and Table of Contents (1 of 40) for 3GPP TS – Radio Resource Control (RRC) – Protocol specification. 3GPP TS V (). 2. Release Keywords. UMTS, radio. 3GPP. Postal address. 3GPP support office address. Route des Lucioles.

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Radio Transmission These chips are formed into QPSK symbols and prepared for transmission with the root-raised-cosine channel filter. These chips are formed into QPSK symbols and prepared for transmission with the root-raised-cosine channel filter. This corresponds to a spreading factor of for the message control part. There are a maximum of 16 available signatures.

The major functions of 3ggpp RRC protocol include connection establishment and release functions, broadcast of system information, radio bearer establishment, reconfiguration and release, RRC connection mobility procedures, paging notification and release and outer loop power control.

This article is based on material taken from the Free On-line Dictionary of Computing prior to 1 November and incorporated under the “relicensing” terms of the GFDLversion 1. The pilot bit pattern is described in table 8. Time and reference position appear to by mandatory. In this case, the scrambling code is thus not necessarily applied aligned with the frame boundary of the physical channel to be scrambled. This symbol sequence is divided into 15 slots of 3g;p each.


Download in other formats: Retrieved from ” https: The g3pp is retransmitted in the next available access slot. The different states in this state machine have different amounts of radio resources associated with them and these are the resources that the UE may use when 3vpp is present in a given specific state.

DecodingUMTS/RRC – rangepublic

List of mobile phone generations. Each preamble is of length chips and consists of repetitions of a signature of length 16 chips.

The timing of the access slots and the acquisition indication is described in subclause 7. Type 15 — GPS aiding information. That information is very useful for understanding the actual meanings of some of the elements they contain.

The data and control parts are transmitted in parallel. Different operators have different configurations for the inactivity timers, which leads to differences in energy consumption.

Type 14 — PHY information. The operation of the RRC is guided by a state machine which defines certain specific states that a UE may be present in. The RACH procedures is as follows: The transitions to lower energy consuming states occur when inactivity timers trigger.

Typically the RACH preamble detection and AICH response is done solely in the physical layer since there is no information or handling needed from the higher layers. Type 12 — Measurement control information for connected mode, if different from SIB Type 18 — Neighbor identities. Message encoding is ASN. All of the parameters are powers of 2, but the repeat periods can be set independently for each SIB type.


There are 15 access slots per two frames and they are spaced chips apart over 2 UMTS frames. The terminal decodes AICH the preamble. There’s an overview of this in 3GPP The fact that SIBs can span multiple transport frames, or be combined into shared transport frames, further complicates the set of scheduling possibilities.

Does that mean the whole message is optional? This TTI length is configured by higher layers. You can get a “clean” copy of that ASN. The RRC idle mode no connection has the lowest energy consumption.

Free Online 3GPP UMTS ASN.1 Messages Decoder

The standard channel model includes rate-matching, but the sizes line up already, so rate-matching is a no-op. This corresponds to a spreading factor of, 64, and 32 respectively for the message data part. The purpose of this procedure is to establish the appropriate uplink power level for the UE, since CDMA is exquisitely sensitive to variations in relative received power.