Wireless Design

D3 Engineering can provide DSP expertise for your next wireless design. We offer full project management & design services (hardware, software, and algorithms) for wireless solutions, including Rapid Prototyping of wireless systems.

Wireless Experience

D3 has extensive experience in all types of wireless communications:

• Cellular Base stations (GSM, EDGE, CDMA)
• VHF Digital Radio
• Wireless VHF/UHF (MSK) Modems
• Bluetooth, 802.11b, 802.11g and other protocols
• Encrypted Transmission
• Multi-node communication systems
• Spread Spectrum Transceivers
• Trunked Radio System Designs
• GPS system integration
• Low power encrypted systems
• Video / Audio Transmission
• Environmental & Temperature testing

We also design proprietary wireless protocols and networks.

Wireless Hardware

D3 can deliver targeted hardware solutions, from high-end multiple-DSP systems to small consumer devices. We can provide:

• Analog, Digital, & RF circuit design
• Schematic PCB ® Prototypes
• In-house circuit board router for rapid prototyping
• Baseband, IF & RF experience
• VHF/UHF, 802.11b, 802 .11g, CDMA, Bluetooth experience
• DSP-based wireless OEM Systems
• Numerous DSP Reference designs

Wireless Software

D3 utilizes state of the art software tools and test equipment for wireless design and development. We offer support and reference designs for numerous communication standards. Our system design projects often involve data compression, channel coding, encrypted voice, and a 256-node WAN.

• Software Documentation (SRS, SDD, CMM)
• High-level source code for wireless standards
• Optimization of existing DSP code
• Peripheral Drivers (MCBSP, DMA, cache, A/D, D/A, etc.)
• DSP/BIOS, expressDSP, RTDX

Wireless Algorithms

Our software engineering staff develops solutions across the entire range of available Texas Instruments processors and peripherals. We develop frameworks, BSP and express-DSP compliant algorithms.

• Modulation / Demodulation Code
• Error Detection and Correction
• Trellis / Viterbi
• Reed - Solomon
• Turbo Codes
• CDMA-2000, GSM, QAM, PSK
• Video and Audio over wireless
• Simulation of channel and fading
• Converting Matlab to Real-Time DSPs

Wireless Projects

D3 has worked on projects involving:

• Video/Audio over Wireless IP
• Convolutional Encoding
• Viterbi Decoding
• Cyclic Codes
• Filters
• Frequency Hopping
• Spread Spectrum
• Software Defined Radio
• Wireless PDA – Embedded 802.11g
• Rugged Environment Transceivers
• VHF/UHF Multi-node systems
• Key chain sized Transceivers

Contact D3 Engineering to provide you with the DSP expertise your company needs.