Interface enhanced with call control scripts

Posted By : Alice Matthews
Interface enhanced with call control scripts

GL Communications has announced its enhanced MAPS LTE Emulator for X2 Interface. It has been enhanced with call control scripts to manage UE and Non-UE procedures. Jagdish Vadalia, a Senior Manager for product development of the company, said: “Mobile networks are in the process of transitioning to Long Term Evolution, a Fourth Generation (4G), all packet network architecture. It will permit vastly higher data rates to mobile smart phones, making voice, video, and data truly integrated for the first time - through a single access technology.

"In simple terms, LTE consists of a 'Packet Core' and a network of eNodeBs . eNodeBs have two interfaces, the X2 interface permits eNodeBs to talk to each other directly, and the S1 interface permits talking to the 'Packet Core'.

"GL’s enhanced LTE X2AP Interface Emulation tests and verifies eNodeB implementations through its MAPS architecture. Message Automation & Protocol Simulation (MAPS) is a multi-protocol, multi-technology platform used for the emulation of a variety of communication protocols over IP, TDM, and Wireless networks. MAPS can be used to test signaling over legacy networks (such as CAS, SS7, ISDN, PPP and more), IP networks (such as SIP, MGCP, MEGACO, SIGTRAN, Diameter...) and also wireless technologies including GSM, UMTS, and LTE networks.”

Vadalia further explained: “MAPS X2 Application Protocol (X2-AP) Interface Emulator is used to co-ordinate handovers and perform load management between eNodeB (Evolved Node B) network elements - Source eNodeB and Target eNodeB. The MAPS X2-AP test tool is designed with specific test cases, as per LTE 3GPP mobile standards. It supports powerful utilities like Message Editor, Script Editor, and Profile Editor which allow new scenarios to be created or existing scenarios to be modified using messages and parameters.

"The application can be integrated within GL’s End-to-End Communications Network Lab (EE-CNL) providing reliable solution to vendors and service providers for simulation, monitoring, and troubleshooting the network using ‘MAPS 4G Wireless Lab Suite’.

“MAPS X2 Application Protocol can be configured as Source eNodeB or Target eNodeB terminals in the LTE network over X2 interface to handle UE and Non-UE associated procedures. The Non-UE procedures (X2AP Setup, Reset request, ENB Configuration Update, and Resource Status request) are automatically handled once the application is started. The UE procedures (Mobility Management – Handover, Error Indication) are handled in the Call Generation.”


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