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Abmwet-In 19U3 W. R. Bennett used a compandiug model for uommi-form quantlzation and proposed the formula for the mean-square quantizing error where N is the. number of level&p(x) is the probability density of the input, and E'(x) is the slope of the compressor curve. The formula, an approximation based on the assumption that the number of levels is large… (More)

This paper proposes a new bit allocation algorithm, capable of efficiently allocating a given quota of hits to an arbitrary set of different quantizers. This algorithm is useful in any coding scheme which employs hit allocation or, more generally, codebook allocation. It produces an optimal or very nearly optimal allocation, while allowing the set of… (More)

We consider the problem of supporting real-time traffic over packetized wireless ad hoc networks. Our specific emphasis is on speech, since this is a critical application in many scenarios such as emergency deployment of ad hoc networks. Standard retransmission-based Medium Access Control (MAC) strategies are poorly matched to speech applications, because… (More)