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With the recent development of Device-to-Device (D2D) communication technologies, mobile devices will no longer be treated as pure “terminals”, but they could become an integral part of the network in specific application scenarios. In this paper, we introduce a novel scheme of using D2D communications for enabling data relay services in partial Not-Spots, where a client without local network access...
An algorithm based on superframe mode has been proposed to jointly optimize the multi-parameter codebook sizes in research of 0.3 Kb/s speech coding algorithm based on MELP. Codebook sizes for pitch, line spectrum frequency (LSF) and short term energy in various superframe modes are optimized together depending on the bits to quantize them. Simulation results showed that the proposed algorithm greatly...
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