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The everyday contact with customers of the Bell System is carried out in approximately 2100 business offices.

Sharing wireless channel resources among cellular network operators saves costs by efficiently utilizing hardware and spectrum.

The demand for high-rate wireless services grows unabated as new mobile devices and data-hungry applications continue to emerge.

While voice over Internet protocol (VoIP) on wireline network is maturing, VoIP on wireless mobile network is still in its infancy.

A recent approach, COPE, for improving the throughput of unicast traffic in wireless multi-hop networks exploits the broadcast nature of the wireless medium through opportunistic network coding.

With increasing corporate dependence upon teleprocessing, high availability performance has become one of the most important attributes of communications network for data applications.

Random phase error due to fabrication process causes the filter response of arrayed-waveguide grating (AWG) to degrade, especially in terms of crosstalk.

This paper describes a math model of wire distribution on printed wiring boards. In this model wire distribution are broken down into two components 1. net distribution and 2.

OTDOA (Observed Time Difference of Arrival) is a positioning method available in LTE. User Equipment (UE) that supports OTDOA requires assistance data from a location server.

In this paper we provide some analytical insights for dimensioning a multi-layer network and in particular the virtual optical transport network topology exported to the packet client layer accordi