LTE Air Interface Signalling Training

Who Should Attend
The course is intended for experienced network engineers, network tuning staff, developers of the LTE-Uu interface protocol stack and anyone with network experience, who needs deep technical knowledge on LTE signalling.

Course Content

  1. Introduction - EPS/LTE network structure, identity numbers, interfaces and protocol stacks, geographical network structure, OFDMA and SC-FDMA, MIMO, EPS bearers and QoS.
  2. Traffic Cases - EMM, ECM and RRC states, attach procedure, TA update, UE/network triggered service request, S1 release procedure, dedicated bearer activation, UE requested bearer resource allocation, handover, intersystem handover, Idle mode Signalling Reduction – ISR, Circuit Switched Fallback – CSFB, SMSoSGs.
  3. Security - user identity confidentiality, entity authentication, ciphering & integrity protection, key-change-on-the-fly, periodic local authentication, E-UTRAN – UTRAN/GERAN interworking including SRVCC.
  4. NAS Signalling:
    • EPS Mobility Management (EMM) - coordination between EMM and GMM, coordination between EMM and MM, establishment of the NAS signalling connection, routing of initial NAS messages, release of the NAS signalling connection, GUTI reallocation, authentication, security mode control, identification, EMM information procedure, attach for EPS services, combined attach for EPS and non-EPS services, detach, normal and periodic TA updating, combined TA/LA updating, service request, extended service request, paging, transport of NAS messages, generic transport of NAS messages)
    • EPS Session Management (ESM) - coordination between ESM and SM, ESM and EMM coordination for ISR, IP address allocation, address handling for ESM procedures, default EPS bearer context activation, dedicated EPS bearer context activation, EPS bearer context modification, EPS bearer context deactivation, UE requested PDN connectivity, UE requested PDN disconnect, UE requested bearer resource allocation, UE requested bearer resource modification, ESM information request procedure, notification procedure.
  5. Radio Resource Control (RRC) - UE states and state transitions, signalling radio bearers, message format, system information, paging, connection establishment, reconfiguration, re-establishment and release, initial security activation, counter check, handover to E-UTRAN, mobility from E-UTRAN, Inter-RAT CCO to E-UTRAN, mobility from E-UTRA, measurements and event reporting, DL/UL information transfer.
  6. Packet Data Convergence Protocol (PDCP) - sequence control and duplicate detection, integrity protection, ciphering, data discard, status report, packet format.
  7. Radio Link Control (RLC) - transparent, unacknowledged and acknowledged mode, error correction, concatenation, segmentation and reassembly of RLC SDUs, re-segmentation and reordering of RLC data PDUs, duplicate detection.
  8. Medium Access Control (MAC) - transport and logical channel structure, channel mapping, contention based and non-contention based random access procedure, DL/UL-SCH data transfer, HARQ operation, mltiplexing and assembly, logical channel prioritisation, buffer status and power headroom reporting, DTX, semi-persistent scheduling, PDU formats and parameters.
  9. Physical Layer - synchronisation procedures, power control, random access procedure, PDSCH/PUSCH related procedures, multiplexing and channel coding, physical channels and modulation, modulation, MIMO.

Course Objectives
This course covers the LTE/E-UTRAN Air Interface Signalling as specified by 3GPP R9 (i.e. including CSFB and SMSoSGs). During the course all LTE-Uu interface protocols and signalling procedures are presented in details.

Pre-requisites
The participants should have attended LTE/EPS Technology course or should have the equivalent knowledge.

Training Structure
 3-day training.

Methodology
Instructor led training. Exercises.