This paper develops a stochastic geometry-based approach for the modeling and analysis of singleand multi-cluster wireless networks. We first define finite homogeneous Poisson point processes to model the number and locations of the transmitters in a confined region as a single-cluster wireless network. We study the coverage probability for a reference receiver for two strategies; closest-selec...

The ultimate goal of future generation wireless communications is to provide ubiquitous seamless connections between mobile terminals such as mobile phones and computers so that users can enjoy high-quality services at anytime anywhere without wires. The feature to provide a wide range of delay constrained applications with diverse quality of service (QoS) requirements, such as delay and data r...

To enhance the reliability of long wireless link, a relay is placed between transmitter and receiver which break the link into two parts: transmitter to relay called 1st hop and relay to receiver called 2nd hop; such arrangement is called two hop wireless links. In two-hop wireless communication sometimes 1st and 2nd hops are affected by different types of fading called asymmetric fading enviro...

Cooperative protocols are a new and promising research field that can lead to a better understanding of wireless ad-hoc networking. In this paper we focus on cooperative hopby-hop ARQ (automatic repeat request) protocols. The main objective of a hop-by-hop ARQ is to prevent, by means of frame retransmission, the loss of frames due to transmission errors. Classically, when the receiver node dete...

Systems that employ multiple antennas in both the transmitter and the receiver of a wireless system have been shown to promise extraordinary spectral efficiency. With full channel knowledge at the transmitter and receiver, Raleigh and Cioffi proposed a spatio-temporal coding scheme, discrete matrix multitone (DMMT), to achieve asymptotically optimum multiple-input–multiple-output (MIMO) channel...

The current paper presents low-power analog integrated circuits (ICs) for wireless electrocardiogram (ECG) detection in personal health monitoring. Considering the power-efficient communication in the body sensor network (BSN), the required low-power analog ICs are developed for a healthcare system through miniaturization and system integration. The proposed system comprises the design and impl...

-This paper describes a wireless data acquisition system for monitoring electrical substations. The proposed system consists of a Wireless Local Area Network (WLAN – IEEE 802.11b/g) transmitter module equipped with a data acquisition system, having current and voltage sensors, a solar power supply with battery energy storage, and a receiver module connected to a remote controller for data proce...

Deployment of wireless systems in nuclear power plants has attracted a lot of attention recently. However, before wireless systems can be installed in a nuclear power plant, it is necessary to evaluate the effect of radiation environment on electromagnetic wave which is the communication media for all radio wave based wireless systems. This is particular important if the wireless systems are ex...

Development of novel signal processing and communication techniques for 3G wireless systems is motivated by high data rate service requirements. These techniques include adaptive modulation and transmitter antenna diversity. In rapidly time variant channels, these methods need the knowledge of future fading conditions. Thus, they require accurate long range fading prediction. We investigate thr...

Super-orthogonal and super-quasi-orthogonal space-time trellis coding is seamlessly combined with orthogonal frequency division multiplexing (OFDM) to improve the performance of broadband wireless mobile communication systems. Quadrature amplitude modulation (QAM) is used on all OFDM subchannels. The transmitter is equipped with two antennas when using super-orthogonal space-time trellis codes ...