In this paper, we propose cooperative communication scheme using multiple relays to improve the throughput of IEEE 802.11x wireless LAN. The proposed scheme performs cooperative communication with a terminal supporting a high data rate in order to solve the problem that a total network throughput is greatly reduced when a terminal supporting a low data rate occupies a channel. Also, the multi-h...

In distributed-memory message-passing architectures reducing communication cost is extremely important. In this paper, we present a technique to optimize communication globally. Our approach is based on a combination of linear algebra framework and dataflow analysis, and can take arbitrary control flow into account. The distinctive features of the algorithm are its accuracy in keeping communica...

Compiled communication has recently been proposed to improve communication performance for clusters of workstations. The idea of compiled communication is to apply more aggressive optimizations to communications whose information is known at compile time. Existing MPI libraries do not support compiled communication. In this paper, we present an MPI prototype, CC–MPI, that supports compiled comm...

Visible Light Communication has been intriguing both the industry and the academia for over a decade. However, most of the research efforts in this area only consider scenarios where the light emitted from the transmitters is constant. This is not true when Smart Lighting, a technology designed for more comfortable and energy efficient buildings by adjusting the illumination of fixtures based o...

As the number of cores and functionalities integrated in embedded devices increases, the amount of memory used on these devices also increases, justifying the development of memory architectures presenting scalability, low energy consumption and low latency. To implement memory solutions, most works adopting NoC-based MPSoCs only employ basic communication services, such as send/receive, withou...

The simulation of brain areas (e.g. the visual cortex), comprising huge networks of integrate & fire neurons is very time consuming even on high performance computers. The use of parallel computers can speed up the simulation process. However, the different parallelization strategies investigated here, show that the network's communication structure has to be analyzed thoroughly, in order to op...

The REDE model is a conceptual framework for teaching relationship-centered healthcare communication. Based on the premise that genuine relationships are a vital therapeutic agent, use of the framework has the potential to positively influence both patient and provider. The REDE model applies effective communication skills to optimize personal connections in three primary phases of Relationship...

We present a real-time feedback control strategy to optimize the dynamic performance of a computer communication network. In previous studies closely related to this topic, feedback delay, arising from communication delay, was shown to degrade system performance. Considering this negative impact of delay, we propose a new control law which predicts the traffic in advance and exercises control b...