First Android Rugged Device in US market with Multimode Modem Support

Customer:Premier American rugged device manufacturer

Scope

  • Multi-mode supported Ruggedized device for enterprise market
  • Enable Multi RAT (3GPP & 3GPP2) Modem & Telephony FW extensions for CDMA and GSM/UMTS on Android device

Solution

  • SDR (Software Defined Radio) Support
    • Enable Multi Radio support for 3GPP (GSM/UMTS) & 3GPP2 (CDMA 1x/EVDO)
    • Modified Telephony layer and Android framework to introduce support for dynamically switching different technology (GSM/UMTS vs. CDMA)
    • Operator network switching via UI Application for seamless coverage
  • Enabling Telephony & RIL features
    • Data Call and Multiple PDN support over PPP and support for Multiple Operators including World wide UMTS
    • Enable support for Voice, SMS and supplementary use cases
    • Phone App, Telephony FW and RIL extensions for Carrier Switching Applications
  • Vendor (HW) RIL modifications suit the operator and customer requirements
    • Implemented In-Call Volume-modification through Vendor RIL interfaces
    • Provided Android RIL extension to provide bypass route to communicate with the Modem for Control, Data & Log path
    • Android Vendor RIL extensions to route GPS commands to Enable GPS functionality with Modem
  • Validation
    • AT Commands validation
    • Supported PTCRB and Operator(AT&T, Verizon and Sprint) Certification

Impact

  • Enabled customer to launch first Android ruggedized device in US Market with multi-mode modem support

Customer:Premier American rugged device manufacturer

Customer:Leading North American Enterprise Device Maker

Customer:Tier-1 Rugged Device OEM