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This paper discusses the realization of a cognitive radio (CR) reconfigurable communication architecture and platform. In particular, four key research activities are presented: (1) the design of a reasoning and learning framework for CR adaptation, (2) a software-defined radio (SDR) baseband system using GNU Radio, (3) the design of a multi-band/multi-protocol RF front-end, and (4) the design of...
This work applies perfect-shuffle on software defined radio's bit-shuffling blocks, such as puncturer and interleaver, which data alignment issue is also investigated. A demonstration of such algorithm on IEEE 802.11a (WiFi) standard is implemented with Texas Instruments® intrinsic perfect-shuffle and inverse perfect-shuffle instructions combined with ANSI C on a TMS320 C64x digital signal processor...
Software simulation is the most important method for computer architects to evaluate the function and performance of their new designs. Due to the prohibitively long simulation time when running the full dynamic instruction streams of benchmarks on simulators in detailed simulation mode, many use sampling simulation to accelerate the simulation speed without sacrificing the accuracy greatly. However,...
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