3GPP技术报告：UMTS, LTE, GSM词汇规范

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"3GPP TR 121905 V10.3.0 (2011-03)" 是一份由欧洲电信标准化协会(ETSI)发布的技术报告，专注于移动通信系统，特别是关于3GPP(3rd Generation Partnership Project)规范的词汇。这份报告属于Release 10，涵盖了数字蜂窝通信系统(Phase 2+)、通用移动通信系统(UMTS)以及长期演进(LTE)的相关术语和定义。在移动通信领域，ETSI和3GPP是至关重要的标准化机构。ETSI是欧洲的一个非营利组织，负责制定电信行业的技术标准，而3GPP则是一个全球性的合作项目，致力于开发和维护第三代(3G)、第四代(4G)以及第五代(5G)移动通信系统的规范。此报告的关键词包括GSM（全球系统移动通信）、LTE和UMTS。GSM是一种广泛使用的2G移动通信标准，而UMTS是3G网络的标准，它为用户提供更高的数据传输速度和更丰富的服务。LTE，作为UMTS的演进，是4G网络的一种，提供了比3G更快的数据速率和更低的延迟，为用户带来了更流畅的互联网体验。 3GPP TR 21.905的主要目的是统一和清晰化3GPP规范中的专业术语，确保所有参与者——包括设备制造商、网络运营商和服务提供商——对术语有共同的理解，从而促进技术和市场的协调一致。这份报告可能包含了与无线接入网络(RAN)、核心网络(CN)、服务和应用、以及系统架构相关的术语定义。报告指出，用户可以通过ETSI的官方网站下载电子版或打印版。值得注意的是，可能存在多个版本的电子版，但若存在争议，将以ETSI秘书处特定网络驱动器上存储的PDF版本作为参考版本，且该版本应由ETSI的打印机打印。 3GPP TR 121905 V10.3.0是移动通信标准领域的关键技术文档，它提供了3GPP Release 10中使用的词汇和术语的权威定义，对于理解UMTS、LTE及其相关技术的细节至关重要。

ETSI

ETSI TR 121 905 V10.3.0 (2011

03)

3GPP TR 21.905 version 10.3.0 Release 10

Card session: A link between the card and the external world starting with the ATR and ending with a subsequent reset

or a deactivation of the card.

CBS DRX cycle: The time interval between successive readings of BMC messages.

Cell: Radio network object that can be uniquely identified by a User Equipment from a (cell) identification that is

broadcasted over a geographical area from one UTRAN Access Point. A Cell is either FDD or TDD mode.

Cell Radio Network Temporary Identifier (C-RNTI): The C-RNTI is a UE identifier allocated by a controlling

RNC and it is unique within one cell controlled by the allocating CRNC. C-RNTI can be reallocated when a UE

accesses a new cell with the cell update procedure.

Cellular Text telephone Modem (CTM): A modulation and coding method intended for transmission of text in voice

channels for the application of real time text conversation.

Channel bandwidth: The RF bandwidth supporting a single RF carrier with the transmission bandwidth configured in

the uplink or downlink of a cell. The channel bandwidth is measured in MHz and is used as a reference for transmitter

and receiver RF requirements.

Channel edge: The lowest and highest frequency of the carrier, separated by the channel bandwidth.

Chargeable Event: An activity utilising telecommunications network infrastructure and related services for user to user

communication (e.g. a single call, a data communication session or a short message), or for user to network

communication (e.g. service profile administration), or for inter-network communication (e.g. transferring calls,

signalling, or short messages), or for mobility (e.g. roaming or inter-system handover), which the network operator

wants to charge for. The cost of a chargeable event may cover the cost of sending, transporting, delivery and storage.

The cost of call related signalling may also be included.

Charged Party: A user involved in a chargeable event who has to pay parts or the whole charges of the chargeable

event, or a third party paying the charges caused by one or all users involved in the chargeable event, or a network

operator.

Charging: A function whereby information related to a chargeable event is formatted and transferred in order to make

it possible to determine usage for which the charged party may be billed.

Charging Data Record (CDR): A formatted collection of information about a chargeable event (e.g. time of call set-

up, duration of the call, amount of data transferred, etc) for use in billing and accounting. For each party to be charged

for parts of or all charges of a chargeable event a separate CDR shall be generated, i.e more than one CDR may be

generated for a single chargeable event, e.g. because of its long duration, or because more than one charged party is to

be charged.

Cipher key: A code used in conjunction with a security algorithm to encode and decode user and/or signalling data.

Closed group: A group with a pre-defined set of members. Only defined members may participate in a closed group.

Closed Subscriber Group (CSG): A Closed Subscriber Group identifies subscribers of an operator who are permitted

to access one or more cells of the PLMN but which have restricted access (CSG cells).

Coded Composite Transport Channel: A data stream resulting from encoding and multiplexing of one or several

transport channels.

Common Channel: A Channel not dedicated to a specific UE.

Confidentiality: The avoidance of disclosure of information without the permission of its owner.

Connected Mode: Connected mode is the state of User Equipment switched on and an RRC connection established.

Connection: A communication channel between two or more end-points (e.g. terminal, server etc.).

Connection mode: The type of association between two points as required by the bearer service for the transfer of

information. A bearer service is either connection-oriented or connectionless. In a connection oriented mode, a logical

association called connection needs to be established between the source and the destination entities before information

can be exchanged between them. Connection oriented bearer services lifetime is the period of time between the

establishment and the release of the connection. In a connectionless mode, no connection is established beforehand

between the source and the destination entities; the source and destination network addresses need to be specified in

ETSI

ETSI T

R 121 905 V10.3.0 (2011

03)

3GPP TR 21.905 version 10.3.0 Release 10

each message. Transferred information cannot be guaranteed of ordered delivery. Connectionless bearer services

lifetime is reduced to the transport of one message.

Connectionless (for a bearer service): In a connectionless bearer, no connection is established beforehand between the

source and the destination entities ; the source and destination network addresses need to be specified in each message.

Transferred information cannot be guaranteed of ordered delivery. Connectionless bearer services lifetime is reduced to

the transport of one message.

Connectionless service: A service which allows the transfer of information among service users without the need for

end-to-end call establishment procedures (source: ITU-T I.113).

Continuous phenomena (continuous disturbance): Electromagnetic disturbance, the effects of which on a particular

device or equipment cannot be resolved into a succession of distinct effects (IEC 60050-161 [6]).

Control channel: A logical channel that carries system control information.

Controlling RNC: A role an RNC can take with respect to a specific set of UTRAN access points. There is only one

Controlling RNC for any UTRAN access point. The Controlling RNC has the overall control of the logical resources of

its UTRAN access point's.

Conversational service: An interactive service which provides for bi-directional communication by means of real-time

(no store-and-forward) end-to-end information transfer from user to user (source: ITU-T I.113).

Core network: An architectural term relating to the part of 3GPP System which is independent of the connection

technology of the terminal (eg radio, wired).

Core Network Operator: Operator that offers core network services.

Corporate code: Code which when combined with the network and SP codes refers to a unique Corporate. The code is

provided in the GID2 file on the (U)SIM (see Annex A.1.) and is correspondingly stored on the ME.

Corporate code group combination of the Corporate code and the associated SP and network codes.

Corporate personalisation: Allows a corporate customer to personalise MEs that he provides for his employees or

customers use so that they can only be used with the company's own (U)SIMs.

Coverage area (of a mobile cellular system): An area where mobile cellular services are provided by that mobile

cellular system to the level required of that system.

Coverage area: Area over which a 3GPP System service is provided with the service probability above a certain

threshold.

CSG cell: A cell, part of the PLMN, broadcasting a specific CSG Identity. A CSG cell is accessible by the members of

the closed subscribers group for that CSG Identity. All the CSG cells sharing the same identity are identifiable as a

single group.

CSG Identity (CSGID): An identity broadcast by a CSG cell or cells and used by the UE to facilitate access for

authorised members of the associated Closed Subscriber Group.

CSG Indicator: An indication transmitted on the broadcast channel of the CSG cell that allows the UE to identify such

as CSG cell.

CSG manager: A CSG manager can, under the operator's supervision, add, remove and view the list of CSG members.

Current directory: The latest MF or DF selected on the UICC.

Current EF: The latest EF selected.

Current serving cell: This is the cell on which the MS is camped.

Data field: Obsolete term for Elementary File.

ETSI

ETSI TR 121 905 V10.3.0 (2011

03)

3GPP TR 21.905 version 10.3.0 Release 10

Data Object: Information coded as TLV objects, i.e. consisting of a Tag, a Length and a Value part.

Dedicated Channel: A channel dedicated to a specific UE.

De-personalisation: Is the process of deactivating the personalisation so that the ME ceases to carry out the verification

checks.

Dedicated File (DF): A file containing access conditions and, optionally, Elementary Files (EFs) or other Dedicated

Files (DFs).

Delivered QoS: Actual QoS parameter values with which the content was delivered over the lifetime of a QoS session.

Demand service: A type of telecommunication service in which the communication path is established almost

immediately, in response to a user request effected by means of user-network signalling (source: ITU-T I.112).

Dependability: A performance criterion that describes the degree of certainty (or surety) with which a function is

performed regardless of speed or accuracy, but within a given observational interval (source: ITU-T I.350).

Destination user: Entity to which calls to the General Packet Radio Service (GPRS) are directed.

Directory: General term for the MF or a DF on the UICC.

Directory Number: A string consisting of one or more of the characters from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, *, #, a,

b, c} associated with a nature of address indicator and number plan indicator. When using the public MMI for the

control of supplementary services however, * and # cannot be part of any SC or SI field.

NOTE 1: No such restriction on the SC and SI fields exists when using other (e.g. menu-driven) MMI for the

control of supplementary services.

NOTE 2: When using the public MMI, certain limitations on the use of one and two digit directory numbers may

apply. The use of other MMI can remove these restrictions.

NOTE 3: This definition is not intended to require the support of all these characters in the MMI itself.

Distribution service: Service characterised by the unidirectional flow of information from a given point in the network

to other (multiple) locations (source: ITU-T I.113).

DL RS power: The resource element power of Downlink Reference Symbol.

Domain: The highest-level group of physical entities. Reference points are defined between domains.

Domain Specific Access Control: Access control functionality for access barring in either domain (i.e. CS domain or

PS domain).

Donor coupling loss: the coupling loss between the repeater and the donor base station.

Donor network: The subscription network from which a number is ported in the porting process. This may or may not

be the number range owner network.

Downlink: Unidirectional radio link for the transmission of signals from a UTRAN access point to a UE. Also in

general the direction from Network to UE.

Downlink operating band: The part of the operating band designated for downlink.

Downlink Pilot Timeslot: Downlink part of the special subframe (for TDD operation)

Drift RNS: The role an RNS can take with respect to a specific connection between a UE and UTRAN. An RNS that

supports the Serving RNS with radio resources when the connection between the UTRAN and the User Equipment need

to use cell(s) controlled by this RNS is referred to as Drift RNS.

Element Manager: Provides a package of end-user functions for management of a set of closely related types of

network elements. These functions can be divided into two main categories.

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