Overview | Features | Aricent Deliverables | Related Products

Iub, Iur and Uu Interface Features

Salient Features

• Fully integrated standards compliant stack components
• Well-defined APIs for third party application development
• Tested and implemented over reference hardwares (physical interface).
• Extensive Layer Management features for initialization, provisioning, statistics collection, error reporting and tracing
• Modular and easy to customize
• Portable to a wide range of operating environments

Aricent Iur Interface

The salient features of component stacks of Iur interface are as follows:

• RNSAP
  • SCCP Connection Management transparent to the RNC (RNSAP) application
  • Parsing of incoming protocol messages and support for Error Indication procedure
  • User side message validation
  • Managing interface / protocol specific context, Identities etc
  • Procedure Guard timers to guard against inactivity context arising because of peer entity failure
  • ASN.1 Encoding of received API buffer into protocol message
  • ASN.1 Decoding of protocol messages into structure based API buffer for the User application.
    
    
• SCCP
  • Data transfer through connectionless service
  • Data transfer through connection-oriented service
  • Management services for Signaling Point and Subsystem status management
  • Extensive support to provide redundancy
  • In-built hooks support fault tolerant architectures.
    
    
• M3UA
  • IPSP to IPSP communication
  • Address Translation and Mapping
  • SCTP Stream Mapping and Congestion
  • Support for ordered and unordered delivery
  • Extensive support to provide redundancy
  • In-built hooks support fault tolerant architectures.
    
    
• SCTP
  • Support for multiple network paths
  • Congestion Avoidance and Control
  • Bundling
  • Segmentation and re-assembly.
    
    
• MTP3-b
  • Discrimination and distribution for point-to-point link
  • Load sharing
  • Reconfiguration of routing table in case of link or node failure.
  • Extensive support to provide redundancy
  • In-built hooks support fault tolerant architectures.
    
    
• SAAL-NNI
  • SSCF-NNI and SSCOP functionality.
  • SAAL connection management
  • Link status and remote processor status management.
  • Extensive support to provide redundancy
  • In-built hooks support fault tolerant architectures.
    

Aricent Iub Interface

The salient features of component stacks of Iur interface are as follows:

• NBAP
  • Iub interface for RNC side on reference hardware available for quick integration with RNC application
  • Parsing of incoming protocol messages and support for Error Indication procedure
  • User side message validation
  • Managing interface / protocol specific context, Identities etc
  • Procedure Guard timers to guard against inactivity context arising because of peer entity failure
  • ASN.1 Encoding of received API buffer into protocol message
  • ASN.1 Decoding of protocol messages into structure based API buffer for the User application.
    
    
• SAAL-UNI
  • SSCF-UNI and SSCOP functionality
  • SAAL connection management
  • Link status and remote processor status management
  • Extensive support to provide redundancy
  • In-built hooks support fault tolerant architectures.

Aricent Uu Interface

The salient features of component stacks of Iur interface are as follows:

• RRC
  • Configuration and reconfiguration of RLC/MAC with the information provided by the RNC (RRC) application
  • Handling of Radio Bearer Management, Security Management, Transaction Management, and Paging
  • Parsing of incoming protocol messages and support for Error Indication procedure
  • User side message validation
  • ASN.1 Encoding of received API buffer into protocol message
  • ASN.1 Decoding of protocol messages into structure based API buffer for the User application.
    
    
• RLC/MAC
  • Supports following modes of data transfer with higher layers:
    • Upper Layer Interface for Data Transfer
    • Unacknowledged Mode Data Transfer
    • Acknowledged Mode Data Transfer
    • Transparent Mode Data Transfer
  • Access for Dedicated Transport Channels
  • TFC selection
  • Priority Handling
  • Access for Common and Shared Transport Channels
  • Scheduling on Common Channels
  • Samples build environment and a port for UNIX-like systems
  • Integrated FP/RLC/MAC stack also available.
    
    
• Iub Framing Protocol
  • Provide synchronization function between higher-layer radio access protocols (for example RLC, MAC) and the timing requirements of the radio transmission system
  • Includes Sample build environment for Solaris and VxWorks like systems.

Aricent Deliverables

• Source Code for respective interface containing:
  • Core Stack Build
  • OS Wrappers
• Peer entity Simulators
• User and API documentation
• Protocol Implementation Conformance Statement documents (PICS)
• Release Notes
• Reference Acceptance Test Plan using Test Simulators
• Warranty and Optional Annual Support Plans
• Training and on-site consultancy
• Turnkey integration and porting services.

Aricent Related Products

• Iu (IuCS and IuPS) Interface
• GTP -C/U and GTP' Stacks
• ALCAP Stack
• MAP Stack
• Gb Interface Stack
• SS7 Stack including TCAP, SCCP, MTP2, MTP3 and ISUP
• GMM/SM Stack
• BSSAP+ Stack

Last updated : March 9, 2006