Evolution of the Standards for Packet Network Synchronization

IEEE CTN Issue: March 2012
The evolution of telecom networks away from the traditional circuit switched structures towards the evolving next generation network with packet switching has changed the model from one of a carefully planned and engineered network towards one in which there is a greater expectation of automatic, self-configured operation a plug and play model. IEEE Communications Magazine

A General Framework for Performance Analysis of Space Shift Keying (SSK) Modulation in the Presence of Gaussian Imperfect Estimations

IEEE CTN Issue: March 2012
Spatial Modulation (SM) is a promising multiple-input-multiple-output (MIMO) transmission technique that utilizes the spatial information in a novel fashion. At each time instance, only a single transmit antenna is activated among the set of existing transmit antennas to transmit either a fixed power (no constellation symbol), as in Space Shift Keying (SSK), or a constellation data symbol from the activated transmit antenna, as in conventional SM. IEEE Communications Letters

Spectrum Monitoring during Reception in Dynamic Spectrum Access Cognitive Radio Networks

IEEE CTN Issue: March 2012
If a frequency band has primary and secondary users, then the cognitive radios of the secondary users must monitor the band and cease to transmit if a primary user's radio begins to transmit. Traditional methods require the secondary users to not transmit while they monitor for the emergence of primary user signals. This article proposes and analyzes techniques by which the secondary radios can continue transmitting during monitoring. IEEE Transactions on Communications

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