Interference estimation with applications to blind multiple-access communication over fading channels

Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels

We study the effect of interference on the performance of coded FHSS systems. This is achieved by modeling the physical channel in these systems as a block fading channel. In the derivation of the bit error probability over Nakagami fading channels, we use the exact statistics of the multiple access interference (MAI) in FHSS systems. Due to the mathematically intractable expression of the Rici...

Blind Maximum Likelihood Sequence Detection Over Fast Fading Communication Channels

Communication over fading channels with delay constraints

We consider a user communicating over a fading channel with perfect channel state information. Data is assumed to arrive from some higher layer application and is stored in a buffer until it is transmitted. We study adapting the user’s transmission rate and power based on the channel state information as well as the buffer occupancy; the objectives are to regulate both the long-term average tra...

Decentralized Estimation over Orthogonal Multiple-access Fading Channels in Wireless Sensor Networks - Optimal and Suboptimal Estimators

We study optimal and suboptimal decentralized estimators in wireless sensor networks over orthogonal multipleaccess fading channels in this paper. Considering multiple-bit quantization for digital transmission, we develop maximum likelihood estimators (MLEs) with both known and unknown channel state information (CSI). When training symbols are available, we derive a MLE that is a special case o...

Beamforming, diversity, and interference rejection for multiuser communication over fading channels with a receive antenna array

We consider -ary communication with users over a space diversity channel, consisting of a single transmit antenna for each user and multiple receive antennas. We examine two different flat fading models, namely, phase coherent wavefront fading and noncoherent element-to-element fading. In the case of wavefront fading, the fade is constant across the face of the receive antenna and we can associ...