Overview | Skill-sets | Thrust Areas

Thrust Areas

has been offering services to leading mobile handset and software component developers and chip vendors. Because of strong relationships with clients, understands the issues involved in mobile terminal development and is, therefore, in a unique position to offer its comprehensive portfolio of services to mobile terminal developers that includes development, integration, and testing.

mobile terminal development and testing solutions encompass the following:

• Mobile Application Development & Porting
• Mobile Testing Solutions
• L1 / L2 / L3 Expertise
• Driver Development & DSP Expertise
• Integration Services
• Consultancy
• Key Partnerships

Mobile Application Development & Porting

has developed various modules and components for the Man-Machine Interface (MMI), such as the following:

• A low-level library of UI components consisting of Lists , Menus , Scroll bars , Text boxes
  
  
• An application manager responsible for launching and managing applications
  
  

In addition, has developed MMI applications, such as calendar, address book, and settings, and Java applications.

has significant expertise in developing new MMI components, applications using standard application frameworks, such as OpenWave, and UI applications. can also develop Java applications based on J2ME and MIDP. It has also customized audio and video camcorder applications to address requirements of large mobile handset manufacturers

The key projects undertaken and successfully executed by include the following:

• Development of a Wireless Village compliant IMPS client on the Apoxi operating system for a Japanese customer
  
  
• Development of an Integrated MMI for IXI Mobile
  
  
• Development of a comprehensive PoC solution including a SIP-based PoC client for a US-based leading NGN solution provider.
  
  
• Development of a PoC simulator client and server for testing PoC APIs
  
  
• Development of UI applications for a leading chip vendor
  
  
• Development of a UMA Terminal adaptor for Wi-Fi access points
  
  
• An intelligent answering machine on Series 60.
  
  
• A comprehensive PoC solution prototype on Nokia 6630 (Series 60 based device), tested on a live GPRS network
  
  
• Games and productivity applications on Windows Mobile Pocket PC 2003 SDK

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Mobile Terminal Testing Solutions

Testing, one of the most critical activities in handset development is a cost as well as manpower intensive activity. understands the importance of testing in product development and boasts of a dedicated testing team of 300+ testing engineers and sophisticated testing infrastructure, which can be leveraged for customers' benefit. Our mature and proven testing methodology ensures smooth execution of the testing cycle with quick ramp-up time, least overheads, and excellent project management. This ensures that meets customers' quality objectives while minimizing manpower and infrastructure costs.

has successfully executed several testing projects for various user-terminals/mobile phones in majority of wireless technologies ranging form GSM, GPRS, and 3G

has been actively involved in all activities related to testing of mobile handsets. Some of these activities are:

• Protocol testing
  
  
• Application and MMI testing
  
  
• Interoperability testing with live network elements
  
  
• GCF pre-certification testing
  
  
• Field testing

Protocol Testing

has significant expertise in protocol testing, gained through product validation of various in-house protocol stacks and systems for:

GSM

Protocols: MM, CC, RR, and MAP
Systems: Mobile Satellite Systems, SMS, MDS, and Simulators for User Terminals, BSS

GPRS

Protocols: NS, BSSGP, LLC, SNDP GMM, SM, GTP C/U/Prime, BSSAP, and MAP
Systems: GGSN, SGSN, MSC, HLR, and VLR

UMTS

3G Protocols: RLC/MAC, GMM, SM, RANAP, RNSAP, 3G MAP, NBAP, PDCP, BSSAP+, GTP, and C/U/Prime
3G systems: 3G GSN, RNC, Node B, HLR, VLR, and MSC

In addition to the preceding, has undertaken protocol-testing assignments for leading chipset vendors in the US and Europe.

The following table lists the various systems tested by , the protocols under those systems, and the number of test cases under each protocol:

Application & MMI Testing

has undertaken several handset-testing assignments owning complete responsibility of the projects. In addition, has expertise in MMI, feature and application testing for GSM and GPRS handsets. The following table lists the various systems tested by , the tools used in testing, number of tests in the test plan, the scripting language used in the testing process, and the types of testing carried out:

Interoperability Testing with Live Network Elements

is well experienced in executing InterOperability Testing (IOT) with all vendors and has a state-of-the-art IOT test lab in Nuremberg, Germany, which is equipped with sophisticated, world-class infrastructure, such as BSC, BTS, MSC, SGSN+GGSN, Test and Monitoring Equipment- Protocol Analyzers, Load Generators and RF Test Equipment. With a team committed to handset manufacturers, and with guaranteed cost and time advantages, OEMs can now be guaranteed of complete handset and applications interoperability.

renders IOT services to several telecom vendors, such as Siemens, TI, NEC, Motorola, and Sendo on a regular basis.

GCF Pre-Certification Testing

provides qualified pre-conformance testing, type approvals, certification, and consultancy services for mobile development projects. Unlike the standard certification labs, we give customers both the reports and the analysis of the tests. We have the following test equipments:

• L1 test equipment - Rohde&Schwarz
  
  
• L2/L3 test equipment - Anite
  
  
• L2/L3 test equipment - Rohde&Schwarz CRTU-G
  
  
• SIM test equipment - Orga SIM Simulator

Field Testing

has been working with several handset developers and suppliers in filed testing their handsets in Europe, India, and the ASEAN countries. It has evolved a complete package for field-testing GSM/GPRS mobile handsets.

has been involved in extensive testing of MMI, MMS, WAP, and other live network features. While the focus of field tests is handling of voice calls, the performance of the handset near the seashore, while driving at different speeds, and handing over between MSCs of the same operator are also being tested apart from the roaming features.

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L1 / L2 / L3 Expertise

expertise spans all aspects of project lifecycle starting from the system architecture to integrating the physical layer with the higher layers and testing with RF. It includes the following:

• Writing system specifications, including systems engineering. It involves a deep understanding of 2/2.5/3G physical layer standards, such as ETSI, TIA, and proprietary standards, and simulations of the core modules.
  
  
• Simulation/development of physical layer components, such as channel coding, speech coding, modems, and equalizer, which includes:
  
  
  • Simulation/porting/optimization of the complete physical layer functionality on DSP/FPGA
    
    
  • Developing DSP modules and libraries in the C language as well as MATLAB models that serve as reference for implementation on different platforms.
    
    
  • Building a generic channel-coding library that can be easily ported onto any 2.5G/3G-based mobile satellite communications system or wireless communication system.

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Driver Development & DSP Expertise

has more than 120 people working on terminal DSP and multimedia experience and provides the following solutions:

• DTMF/Tone generator and detector
  
  
• Line and acoustic echo canceller
  
  
• Audio and video synchronization
  
  
• Audio mixing, Comfort Noise Generator (CNG)
  
  
• Video Stitching, Switching, NORM, and AGC
  
  
• Video capturing / rendering
  
  
• Audio and video packet loss concealment
  
  
• Channel coding, modulation, and de-modulation
  
  
• OS enhancements and customization - BSP, memory management, timers, and TCP/IP
  

has expertise in the following platforms and tools used for the development of DSP software for user terminals:

• MATLAB integrated environment with simulink, communication, signal processing, control, and DSP block set toolboxes)
  
  
• Texas Instruments/Analog Devices/Motorola/Lucent Tools (Emulators & Evaluation Boards)
  
  
• Simulators/IDE (Code Composer Studio)
  
  
• Microsoft Developer Studio
  
  
• Cross-compilers
  
  
• Logic Analyser, Signal Generator, Spectrum Analyser, CRO, and Dat-Link Player
  
  
• Telegra-D Fax Analyser, FaxLab.
  
  
• Floating Point Processors
  
  
  • TMS320C3x
    
    
  • ADSP21062
    
    
  • Pentium MMX
    
    
• Fixed Point Processors
  
  
  • Lucent/Motorola DSPs
    
    
  • TMS320C51,TMS320C54x, and TMS320c55x
    
    
  • TMS320C62x
    
    
  • OAK DSP
    
    
  • Carmel/Tricore

Key Projects undertaken include:

• Development of the SAIC equalizer algorithm on the DSP16K platform for a global
  producer of mobile chipsets
  
  
• Codecs development, optimization, and testing
  
  
• Echo Cancellation algorithm development, optimization, and testing
  
  
• Generic Channel Coding Library
  
  
• AAC and AEC/Noise Canceller for a leading Japanese chipset vendor

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Integration Services

Development of a mobile handset involves customizing and integrating software from different vendors. has experience to work with third party application vendors to integrate their software on the handset

is well experienced in porting & integrating the several software components, such as application frameworks, browsers, and JVM etc. from different vendors with a specific platform and operating system.

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Consultancy

works closely with potential customers in the early phases of the project. Based on the customers' requirements, a specific approach is worked out. Leveraging technical and business skills, the team analyzes requirements and identifies the most effective techniques for delivering a solution. Some of the consultancy assignments undertaken by are:

• Series 60 v8.0a-based Nokia 6630 technical consultancy to a leading Japanese Tier I OEM. It involved resolving technical issues faced by the client's R&D team.
  
  
• Consistent user experience and application portability consultancy to a leading UK-based operator. It involved practical solutions for making operator's applications more portable across different mobile operating systems and devices.

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Key Partnerships

Symbian Platinum Partner
Strategic partnership with Texas Instruments for the OMAP platform
Member of the BREW Developer Network

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Last updated : March 10, 2006