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Physical Layer Aspects of LoRa and Full-Duplex Wireless Transceivers

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An Observation about Feedback from Cognitive Radio

Michael Christoph Gastpar

While it is well known that feedback does not increase the capacity of discrete memoryless channels, this note examines a discrete memoryless channel with a cost constraint at the output. When that cost constraint has memory, i.e., depends on several past ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2008

VANET Connectivity Analysis

Jean-Pierre Hubaux, Panagiotis Papadimitratos, Olivier Dousse, Mohamed Kafsi

Vehicular Ad Hoc Networks (VANETs) are a peculiar subclass of mobile ad hoc networks that raise a number of technical challenges, notably from the point of view of their mobility models. In this paper, we provide a thorough analysis of the connectivity of ...

2008

Arbitrarily dirty paper coding and applications

Michael Christoph Gastpar

A deterministic dirty-paper coding strategy for communication over an arbitrarily varying channel with an interference signal known to the transmitter is investigated. The presence of a known interference signal at the transmitter is shown to provide some ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2008

Streamlining asset maintenance throughout analysis of its usage data

Paul Xirouchakis, Maurice Ruibal

Recently, with the advent of emerging technologies such as radio frequency identification (RFID), various sensors, and wireless telecommunication, we can have the visibility of asset status information over the whole asset lifecycle. It gives us new challe ...

Springer, 233 Spring Street, New York, Ny 10013, United States2008

On capacity under receive and spatial spectrum-sharing constraints

Michael Christoph Gastpar

Capacity is often studied under constraints on the channel input signals. This paper investigates the behavior of capacity when constraints are placed on the! channel output signal (as well as generalizations thereof). While such a change in perspective le ...

2007

On Capacity Under Receive and Spatial Spectrum-Sharing Constraints

Michael Christoph Gastpar

Capacity is often studied under constraints on the channel input signals. This paper investigates the behavior of capacity when constraints are placed on the channel output signal (as well as generalizations thereof). While such a change in perspective lea ...

Institute of Electrical and Electronics Engineers2007

Spectrum Sharing Games of Network Operators and Cognitive Radios

Jean-Pierre Hubaux, Mark Felegyhazi, Julien Freudiger, Peter Marbach

Since the beginning of the 20th century, the wireless frequency spectrum has been carefully controlled by government regulators. In response to the recent advances in radio technology, the spectrum regulators have opened some parts of the available spectru ...

Springer2007

Similarity-Aware Query Allocation in Sensor Networks with Multiple Base Stations

In this paper, we consider a large scale sensor network comprising multiple, say K, base stations and a large number of wireless sensors. Such an infrastructure is expected to be more energy efficient and scale well with the size of the sensor nodes. To su ...

2007

Systems and methods for broadcasting information additive codes

Mohammad Amin Shokrollahi

A broadcasting system for communicating data to multiple receivers using information additive code includes one or more information additive code transmitters and one or more information additive code receivers. Each of the information additive code transm ...

2007

A 2.4-GHz Low-Power Superregenerative RF Front-End for High Data Rate Applications

Catherine Dehollain, Michel Declercq

This paper describes the design and implementation of a low-power superregencrative receiver front-end operating in the 2.4-GHz ISM band. Specifically, the design is conceived to support high quench frequencies and, consequently, high data rates. The front ...

2006