Content for TS 44.064 Word version: 16.0.0
4 Overview description of LLC functions and procedures
5 Frame structure
6 Elements of procedures and formats of fields
7 Elements for layer-to-layer communication
4 Overview description of LLC functions and procedures
4.0 General |R13|
4.1 Reference model Word‑p. 12
4.2 General description of the LLC protocol Word‑p. 13
4.3 Unacknowledged operation
4.4 Acknowledged operation Word‑p. 14
4.5 Establishment of information transfer modes
4.5.1 Data link connection identification
4.5.2 Logical link states
4.5.3 TLLI assignment
4.5.4 Establishment of ABM operation
4.6 Data confidentiality Word‑p. 15
4.6a Integrity protection |R13|
4.7 LLC layer structure Word‑p. 16
4.7.0 General |R13|
4.7.1 Logical Link Entity
4.7.2 Multiplex procedure Word‑p. 17
4.7.3 Logical Link Management
4.8 GPRS Mobility Management
4.9 Short Message Service
4.10 Tunnelling Of Messages
5 Frame structure
5.1 General
5.2 Address field Word‑p. 18
5.3 Control field
5.4 Information field
5.5 Frame Check Sequence (FCS) field Word‑p. 19
5.5a Message Authentication Code (MAC) field |R13|
5.6 Transparency
5.7 Format convention
5.8 Invalid frames Word‑p. 21
6 Elements of procedures and formats of fields
6.1 General
6.2 Address field format and variables
6.2.0 Address field format |R13|
6.2.1 Protocol Discriminator bit (PD) Word‑p. 22
6.2.2 Command/Response bit (C/R)
6.2.3 Service Access Point Identifier (SAPI)
6.3 Control field formats, parameters, and variables Word‑p. 23
6.3.0 Control field formats |R13|
6.3.1 Information transfer format - I Word‑p. 24
6.3.2 Supervisory format - S
6.3.3 Unconfirmed Information format - UI
6.3.4 Unnumbered format U Word‑p. 25
6.3.5 Control field parameters and associated state variables
6.3.5.1 Poll/Final bit (P/F)
6.3.5.2 Acknowledgement request bit (A)
6.3.5.2a Integrity Protection bit (IP) |R13|
6.3.5.3 Modulus
6.3.5.4 ABM variables and sequence numbers
6.3.5.4.1 Send state variable V(S)
6.3.5.4.2 Acknowledge state variable V(A)
6.3.5.4.3 Send sequence number N(S) Word‑p. 26
6.3.5.4.4 Receive state variable V(R)
6.3.5.4.5 Receive sequence number N(R)
6.3.5.4.6 SACK bitmap R(n)
6.3.5.4.7 I frame buffer variable B
6.3.5.4.8 Other parameters and variables
6.3.5.5 Unacknowledged operation variables and parameters Word‑p. 27
6.4 Commands and responses
6.4.0 General |R13|
6.4.1 Unnumbered (U) frames Word‑p. 28
6.4.1.1 Set Asynchronous Balanced Mode (SABM) command
6.4.1.2 Disconnect (DISC) command
6.4.1.3 Unnumbered Acknowledgement (UA) response
6.4.1.4 Disconnected Mode (DM) response Word‑p. 29
6.4.1.5 Frame Reject (FRMR) response
6.4.1.6 Exchange Identification (XID) command/response Word‑p. 30
6.4.1.7 NULL command Word‑p. 33
6.4.2 Unconfirmed Information (UI) frame
6.4.3 Combined Information (I) and Supervisory (S) frames Word‑p. 34
7 Elements for layer-to-layer communication
7.1 Definition of service primitives and parameters
7.2 Primitive procedures Word‑p. 37
7.2.1 GMM - LLME primitives
7.2.1.1 LLGMM-ASSIGN
7.2.1.2 LLGMM-RESET Word‑p. 38
7.2.1.3 LLGMM-TRIGGER
7.2.1.4 LLGMM-SUSPEND
7.2.1.5 LLGMM-RESUME Word‑p. 39
7.2.1.6 LLGMM-PAGE
7.2.1.7 LLGMM-IOV
7.2.1.8 LLGMM-STATUS
7.2.1.9 LLGMM-PSHO |R6|
7.2.1.10 LLGMM-ASSIGN-USERPLANE |R13|
7.2.2 Layer 3 - LLE primitives Word‑p. 40
7.2.2.1 LL-RESET
7.2.2.2 LL-ESTABLISH
7.2.2.3 LL-RELEASE
7.2.2.4 LL-XID
7.2.2.5 LL-DATA
7.2.2.6 LL-UNITDATA
7.2.2.7 LL-STATUS Word‑p. 41
7.2.3 LLE RLC/MAC primitives
7.2.4 LLE BSSGP primitives
7.2.5 LLME - LLE primitives
