YD/T 1582-2010 800MHz/2GHz cdma2000 digital cellular mobile communication network:signaling link access control (LAC) of air interface specification (English Version)
This standard replaces YD/T 1582-2007 and YDC 020-2003, and the following technical deviations have been made with respect to YD/T 1582-2007 and YDC 020-2003 (the previous edition):
— 2GHz, 800MHz in YD/T 1582-2007 and YDC 020-2003 is modified to 800MHz/2GHz;
— The identification for the degree of consistency to the International Standard is supplemented on cover page.
This standard is one of the series standards of 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network Air Interface, and the structure and names of this series standards are as follows:
— YD/T 1556-2007 Technical Specification of Base Station Subsystem (BSS) for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment
— YD/T 1558-2007 Technical Requirements of Mobile Station for 2GHz CDMA2000 Digital Cellular Mobile Communication Network
— YD/T 1580-2007 Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks: Physical Layer of Air Interface
— YD/T 1581-2010 Technical Specification for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network: Medium Access Control (MAC) of Air Interface
— YD/T 1582-2010 2GHz cdma2000 Digital Cellular Mobile Communication Networks: Signaling Link Access Control (LAC) of Air Interface Specification
— YD/T 1583-2010 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Networks: Upper Layer (Layer 3) Signaling of Air Interface Specification
— YD/T 1573-2007 Test Specification of Base Station Subsystem (BSS) for 2GHz cdma2000 Digital Cellular Mobile Communication Network
— YD/T 1576.1-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment: Mobile Station — Part I Minimum Standard Function and Performance
— YD/T 1576.2-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment: Mobile Station — Part II Protocol Conformance Test
— YD/T 1576.3-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment: Mobile Station — Part III Protocol Compatibility Test
This standard is identical with the International Standard 3GPP2 C.S0004-A v6.0 Signaling Link Access Control (LAC) Standard for cdma2000 Spread Spectrum Systems.
Annex A of this standard is normative.
This standard was proposed and prepared by China Communications Standards Association.
Drafting organization of this standard: China Academy of Telecommunication Research of MIIT.
Chief drafting staff of this standard: Guo Jinjun, Yan Di, Du Ying and Gong Daning.
This standard was issued in May, 2007 as first edition, and first revised in December, 2010.
Technical Specification for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network: Signaling Link Access Control (LAC) of Air Interface
1 Scope
This standard specifies the Layer 2 Link Access Control (LAC) signaling protocol architecture and functionality.
This standard is applicable to 800MHz/2GHz cdma2000 digital cellular mobile communication network system.
2 Normative References
The following normative document contains provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the normative document referred to applies.
CCITT Recommendation E.212, Identification Plan For Land Mobile Stations, 1988
3 Definitions
3.1 Definitions
3.1.1
Access Attempt
The entire process of sending one message and receiving (or failing to receive) an acknowledgment for that message, consisting of one or more access sub-attempts. See also Access Probe, Access Probe Sequence, and Access Sub-attempt.
3.1.2
Access Probe
One Access Channel transmission consisting of a preamble and a message. The transmission is an integer number of frames in length and transmits one Access Channel message. See also Access Probe Sequence, Access Sub-attempt, and Access Attempt.
3.1.3
Access Probe Sequence
A sequence of one or more access probes on the Access Channel. Other than the reported pilot information, the same Access Channel message content is transmitted in every access probe of an access sub-attempt. See also Access Probe, Access Sub-attempt, and Access Attempt.
3.1.4
Access Sub-attempt
A sequence of one or more access probe sequences on the Access Channel transmitted to one pilot, containing the same message content other than the reported pilot information. See also Access Probe, Access Probe Sequence, and Access Attempt.
3.1.5
ARQ
See Automatic Repeat Request.
3.1.6
Assured Mode
Mode of delivery that guarantees that a PDU will be delivered to the peer. A PDU sent in assured mode is retransmitted by the LAC Sublayer, up to a maximum number of retransmissions, until the LAC entity at the sender receives an acknowledgement for the PDU. See also Confirmation of Delivery.
3.1.7
Automatic Repeat Request (ARQ)
Technique for providing reliable delivery of signals between communicating stations which involves autonomous retransmission of the signals and transmission of acknowledgments until implicit or explicit confirmation of delivery is received.
3.1.8
Broadcast channel
When the channel name is written with lower case letters, it refers to the logical channel on which system overhead information is transmitted by the base station. The logical “broadcast channel” can be mapped to the physical Paging Channel or to the physical Broadcast Channel.
3.1.9
Call History Parameter (COUNT)
A modulo-1 64 event counter maintained by the mobile station and Authentication Center that is used for clone detection.
3.1.10
Confirmation of Delivery
A notification sent by the LAC Sublayer to Layer 3 at the sender, when the LAC entity at the sender receives the acknowledgment for a specific PDU sent in assured mode.
3.1.11
Full TMSI
The combination of TMSI_ZONE and TMSI_CODE. The full TMSI is a globally unique address for the mobile station.
3.1.12
IMSI_O
Operational value of IMSI (either IMSI_M or IMSI_T) used by the mobile station for operation with the base station.
3.1.13
IMSI_S
A 10-digit number derived from the IMSI that is encoded as a 34-bit valu. IMSI_S generally corresponds to the last 10 digits of the IMSI.
3.1.14
IMSI_S1
A 24-bit value that corresponds to the last 7 digits of IMSI_S.
3.1.15
IMSI_T
True IMSI not associated with MIN. Could be 15 digits or fewer.
3.1.16
LAC PDU
LAC protocol data unit transferred between peer Utility Sublayers on the mobile station and the base station.
3.1.17
Link Access Control (LAC) Sublayer
The LAC Sublayer is the upper sublayer of Layer 2. It implements a data link protocol that provides for the correct transport and delivery of signaling messages generated by Layer 3. The LAC Sublayer makes use of the services provided by the Lower Layers (Layer 1 and the MAC Sublayer).
3.1.18
Logical Channel
A communication path between stations, described in terms of the intended use of, and access to, the transferred data, and direction of transfer. A logical channel can be “mapped” to and from one or more physical channels. In this document, channel names beginning with lowercase letters specify logical channels.
3.1.19
Lower Layers
In this document, layers below the LAC Sublayer (e.g., Layer 1 and the MAC Sublayer).
3.1.20
Mapping
In this context, the technique for forming associations between logical and physical channels.
3.1.21
Mini PDU
A PDU that carries a Layer 3 mini message. The total length of a mini PDU is 48 bits. A mini PDU may not be fragmented, and is carried in a 5 ms physical frame. See also Regular PDU.
3.1.22
MCC (Mobile Country Code)
A part of the E.212 IMSI identifying the home country.
3.1.23
MNC (Mobile Network Code)
A part of the E.212 IMSI identifying the home network within the home country.
3.1.24
MSIN (National Mobile Station Identity)
A part of the E.212 MSIN identifying the mobile station within its home network
3.1.25
Multiplex Layer
Protocol Layer situated between Layer 2 and Layer 1 on dedicated channels that is responsible for multiplexing Layer 2 SDUs from multiple sources (user traffic, such as voice or data packets, and signaling traffic) onto the same physical channel, according to priority and QoS criteria.
3.1.26
NMSI
A part of the E.212 IMSI identifying the mobile station within its home country. The NMSI consists of the MNC and the MSIN.
3.1.27
Physical Channel
A communication path between stations, described in terms of the radio characteristics such as coding, power control policies, etc. In this document, channel names beginning with uppercase letters specify physical channels.
3.1.29
Primitive
An atomic, well-defined conceptual method of transferring data and control information between two adjacent layers and sublayers. It is conventionally represented as a function invocation, with the data and control information passed as parameters.
3.1.29
Protocol Data Unit (PDU)
Encapsulated data communicated between peer layers on the mobile station and the base station.
3.1.30
Protocol Stack
Conceptual model of the layered architecture for communication protocols (see Layering) in which layers within a station are represented in the order of their numeric designation and requiring that transferred data be processed sequentially by each layer, in the order of their representation. Graphically, the “stack” is drawn vertically, with the layer having the lowest numeric designation at the base.
3.1.31
SAR
Segmentation and Reassembly.
3.1.32
SDU
See Service Data Unit.
3.2 Conceptual Model for the LAC Sublayer
The layers, sublayers, SAPs, primitives and parameters are abstract modeling constructs, and thus should not be interpreted as implementation requirements. However, the observable behavior of base stations and mobile stations compliant with this specification should be consistent with the interactions described via the primitives and the other modeling constructs mentioned above.
LAC signaling for cdma2000 is modeled as follows:
• Protocol Layers. The LAC Sublayer provides services to Layer 3. SDUs are passed between Layer 3 and the LAC Sublayer. The LAC Sublayer provides the proper encapsulation of the SDUs into LAC PDUs, which are subject to segmentation and reassembly and are transferred as encapsulated PDU fragments to the MAC Sublayer.
• Sublayers. Processing within the LAC Sublayer is done sequentially, with processing entities passing the partially formed LAC PDU to each other in a well established order.
• Logical Channels. SDUs and PDUs are processed and transferred along functional paths, without the need for the Upper Layers to be aware of the radio characteristics of the physical channels.
3.2.1 General Architecture
The general architecture is presented in Figure 1.
Figure 1 cdma2000 Signaling – General Architecture
3.2.2 Protocol Sublayers
As a generated or received data unit traverses the protocol stack, it is processed by various protocol sublayers in sequence. Each sublayer processes only specific fields of the data unit that are associated with the sublayer-defined functionality. For example, the ARQ Sublayer operates only on the acknowledgment-related fields, and carries out duplicate detection and retransmission functions.
The general processing of data units by the LAC Sublayer and its sublayers is shown in Figure 2.
Foreword II
1 Scope
2 Normative References
3 Definitions
3.1 Definitions
3.2 Conceptual Model for the LAC Sublayer
4 Moble Station Requirements
4.1 Common Channel Operation
4.2 Dedicated Channel Operation
5 Base Station Requirements
5.1 Common Channel Operation
5.2 Dedicated Channel Operation
Annex A (Normative) Timers and Constants
YD/T 1582-2010 800MHz/2GHz cdma2000 digital cellular mobile communication network:signaling link access control (LAC) of air interface specification (English Version)
Standard No.
YD/T 1582-2010
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Detail of YD/T 1582-2010
Standard No.
YD/T 1582-2010
English Name
800MHz/2GHz cdma2000 digital cellular mobile communication network:signaling link access control (LAC) of air interface specification
This standard replaces YD/T 1582-2007 and YDC 020-2003, and the following technical deviations have been made with respect to YD/T 1582-2007 and YDC 020-2003 (the previous edition):
— 2GHz, 800MHz in YD/T 1582-2007 and YDC 020-2003 is modified to 800MHz/2GHz;
— The identification for the degree of consistency to the International Standard is supplemented on cover page.
This standard is one of the series standards of 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network Air Interface, and the structure and names of this series standards are as follows:
— YD/T 1556-2007 Technical Specification of Base Station Subsystem (BSS) for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment
— YD/T 1558-2007 Technical Requirements of Mobile Station for 2GHz CDMA2000 Digital Cellular Mobile Communication Network
— YD/T 1580-2007 Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks: Physical Layer of Air Interface
— YD/T 1581-2010 Technical Specification for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network: Medium Access Control (MAC) of Air Interface
— YD/T 1582-2010 2GHz cdma2000 Digital Cellular Mobile Communication Networks: Signaling Link Access Control (LAC) of Air Interface Specification
— YD/T 1583-2010 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Networks: Upper Layer (Layer 3) Signaling of Air Interface Specification
— YD/T 1573-2007 Test Specification of Base Station Subsystem (BSS) for 2GHz cdma2000 Digital Cellular Mobile Communication Network
— YD/T 1576.1-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment: Mobile Station — Part I Minimum Standard Function and Performance
— YD/T 1576.2-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment: Mobile Station — Part II Protocol Conformance Test
— YD/T 1576.3-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment: Mobile Station — Part III Protocol Compatibility Test
This standard is identical with the International Standard 3GPP2 C.S0004-A v6.0 Signaling Link Access Control (LAC) Standard for cdma2000 Spread Spectrum Systems.
Annex A of this standard is normative.
This standard was proposed and prepared by China Communications Standards Association.
Drafting organization of this standard: China Academy of Telecommunication Research of MIIT.
Chief drafting staff of this standard: Guo Jinjun, Yan Di, Du Ying and Gong Daning.
This standard was issued in May, 2007 as first edition, and first revised in December, 2010.
Technical Specification for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network: Signaling Link Access Control (LAC) of Air Interface
1 Scope
This standard specifies the Layer 2 Link Access Control (LAC) signaling protocol architecture and functionality.
This standard is applicable to 800MHz/2GHz cdma2000 digital cellular mobile communication network system.
2 Normative References
The following normative document contains provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the normative document referred to applies.
CCITT Recommendation E.212, Identification Plan For Land Mobile Stations, 1988
3 Definitions
3.1 Definitions
3.1.1
Access Attempt
The entire process of sending one message and receiving (or failing to receive) an acknowledgment for that message, consisting of one or more access sub-attempts. See also Access Probe, Access Probe Sequence, and Access Sub-attempt.
3.1.2
Access Probe
One Access Channel transmission consisting of a preamble and a message. The transmission is an integer number of frames in length and transmits one Access Channel message. See also Access Probe Sequence, Access Sub-attempt, and Access Attempt.
3.1.3
Access Probe Sequence
A sequence of one or more access probes on the Access Channel. Other than the reported pilot information, the same Access Channel message content is transmitted in every access probe of an access sub-attempt. See also Access Probe, Access Sub-attempt, and Access Attempt.
3.1.4
Access Sub-attempt
A sequence of one or more access probe sequences on the Access Channel transmitted to one pilot, containing the same message content other than the reported pilot information. See also Access Probe, Access Probe Sequence, and Access Attempt.
3.1.5
ARQ
See Automatic Repeat Request.
3.1.6
Assured Mode
Mode of delivery that guarantees that a PDU will be delivered to the peer. A PDU sent in assured mode is retransmitted by the LAC Sublayer, up to a maximum number of retransmissions, until the LAC entity at the sender receives an acknowledgement for the PDU. See also Confirmation of Delivery.
3.1.7
Automatic Repeat Request (ARQ)
Technique for providing reliable delivery of signals between communicating stations which involves autonomous retransmission of the signals and transmission of acknowledgments until implicit or explicit confirmation of delivery is received.
3.1.8
Broadcast channel
When the channel name is written with lower case letters, it refers to the logical channel on which system overhead information is transmitted by the base station. The logical “broadcast channel” can be mapped to the physical Paging Channel or to the physical Broadcast Channel.
3.1.9
Call History Parameter (COUNT)
A modulo-1 64 event counter maintained by the mobile station and Authentication Center that is used for clone detection.
3.1.10
Confirmation of Delivery
A notification sent by the LAC Sublayer to Layer 3 at the sender, when the LAC entity at the sender receives the acknowledgment for a specific PDU sent in assured mode.
3.1.11
Full TMSI
The combination of TMSI_ZONE and TMSI_CODE. The full TMSI is a globally unique address for the mobile station.
3.1.12
IMSI_O
Operational value of IMSI (either IMSI_M or IMSI_T) used by the mobile station for operation with the base station.
3.1.13
IMSI_S
A 10-digit number derived from the IMSI that is encoded as a 34-bit valu. IMSI_S generally corresponds to the last 10 digits of the IMSI.
3.1.14
IMSI_S1
A 24-bit value that corresponds to the last 7 digits of IMSI_S.
3.1.15
IMSI_T
True IMSI not associated with MIN. Could be 15 digits or fewer.
3.1.16
LAC PDU
LAC protocol data unit transferred between peer Utility Sublayers on the mobile station and the base station.
3.1.17
Link Access Control (LAC) Sublayer
The LAC Sublayer is the upper sublayer of Layer 2. It implements a data link protocol that provides for the correct transport and delivery of signaling messages generated by Layer 3. The LAC Sublayer makes use of the services provided by the Lower Layers (Layer 1 and the MAC Sublayer).
3.1.18
Logical Channel
A communication path between stations, described in terms of the intended use of, and access to, the transferred data, and direction of transfer. A logical channel can be “mapped” to and from one or more physical channels. In this document, channel names beginning with lowercase letters specify logical channels.
3.1.19
Lower Layers
In this document, layers below the LAC Sublayer (e.g., Layer 1 and the MAC Sublayer).
3.1.20
Mapping
In this context, the technique for forming associations between logical and physical channels.
3.1.21
Mini PDU
A PDU that carries a Layer 3 mini message. The total length of a mini PDU is 48 bits. A mini PDU may not be fragmented, and is carried in a 5 ms physical frame. See also Regular PDU.
3.1.22
MCC (Mobile Country Code)
A part of the E.212 IMSI identifying the home country.
3.1.23
MNC (Mobile Network Code)
A part of the E.212 IMSI identifying the home network within the home country.
3.1.24
MSIN (National Mobile Station Identity)
A part of the E.212 MSIN identifying the mobile station within its home network
3.1.25
Multiplex Layer
Protocol Layer situated between Layer 2 and Layer 1 on dedicated channels that is responsible for multiplexing Layer 2 SDUs from multiple sources (user traffic, such as voice or data packets, and signaling traffic) onto the same physical channel, according to priority and QoS criteria.
3.1.26
NMSI
A part of the E.212 IMSI identifying the mobile station within its home country. The NMSI consists of the MNC and the MSIN.
3.1.27
Physical Channel
A communication path between stations, described in terms of the radio characteristics such as coding, power control policies, etc. In this document, channel names beginning with uppercase letters specify physical channels.
3.1.29
Primitive
An atomic, well-defined conceptual method of transferring data and control information between two adjacent layers and sublayers. It is conventionally represented as a function invocation, with the data and control information passed as parameters.
3.1.29
Protocol Data Unit (PDU)
Encapsulated data communicated between peer layers on the mobile station and the base station.
3.1.30
Protocol Stack
Conceptual model of the layered architecture for communication protocols (see Layering) in which layers within a station are represented in the order of their numeric designation and requiring that transferred data be processed sequentially by each layer, in the order of their representation. Graphically, the “stack” is drawn vertically, with the layer having the lowest numeric designation at the base.
3.1.31
SAR
Segmentation and Reassembly.
3.1.32
SDU
See Service Data Unit.
3.2 Conceptual Model for the LAC Sublayer
The layers, sublayers, SAPs, primitives and parameters are abstract modeling constructs, and thus should not be interpreted as implementation requirements. However, the observable behavior of base stations and mobile stations compliant with this specification should be consistent with the interactions described via the primitives and the other modeling constructs mentioned above.
LAC signaling for cdma2000 is modeled as follows:
• Protocol Layers. The LAC Sublayer provides services to Layer 3. SDUs are passed between Layer 3 and the LAC Sublayer. The LAC Sublayer provides the proper encapsulation of the SDUs into LAC PDUs, which are subject to segmentation and reassembly and are transferred as encapsulated PDU fragments to the MAC Sublayer.
• Sublayers. Processing within the LAC Sublayer is done sequentially, with processing entities passing the partially formed LAC PDU to each other in a well established order.
• Logical Channels. SDUs and PDUs are processed and transferred along functional paths, without the need for the Upper Layers to be aware of the radio characteristics of the physical channels.
3.2.1 General Architecture
The general architecture is presented in Figure 1.
Figure 1 cdma2000 Signaling – General Architecture
3.2.2 Protocol Sublayers
As a generated or received data unit traverses the protocol stack, it is processed by various protocol sublayers in sequence. Each sublayer processes only specific fields of the data unit that are associated with the sublayer-defined functionality. For example, the ARQ Sublayer operates only on the acknowledgment-related fields, and carries out duplicate detection and retransmission functions.
The general processing of data units by the LAC Sublayer and its sublayers is shown in Figure 2.
Contents of YD/T 1582-2010
Foreword II
1 Scope
2 Normative References
3 Definitions
3.1 Definitions
3.2 Conceptual Model for the LAC Sublayer
4 Moble Station Requirements
4.1 Common Channel Operation
4.2 Dedicated Channel Operation
5 Base Station Requirements
5.1 Common Channel Operation
5.2 Dedicated Channel Operation
Annex A (Normative) Timers and Constants