Mitsubishi Electric Corporation has developed a low power baseband modem LSI for W-CDMA mobile phones. The LSI was installed in D900i, achieving approx. 170/90 minutes of continuous talk time for voice/video phones, and approx. 550/420 hours of continuous standby time in stationary/moving states respectively. The architecture of this LSI is similar to that of the baseband modem LSI chipset used...

Anlr. Lat'Hon is a researcher at the National Swedish Institute for Building Research In Lund, Sweden. She was trained as an architect/ town planner and has a Ph.D. in Architecture. After working"for about fifteen yeatS as a town planner for Swedish municipalities as well as for the government ofBotswana, she started her research on housing in Botswana, with a focus on the transition from tradi...

On this paper, the electronic system and oceanographic instruments of a moored buoy are presented. The system has been designed by the SARTI research team to meet a very specific objective, which is to expand the capabilities of the underwater observatory OBSEA as a research and test platform, providing an infrastructure for testing instruments either at the seafloor or at the surface. The syst...

Self-configuring wireless sensor networks are a fascinating emerging technology: the vision is to spread out hundreds or thousands of small, cheap, battery-driven, and self-configuring nodes bearing a wireless modem to accomplish a given task jointly. An important concern is the network lifetime: as nodes run out of power, the connectivity decreases and the network can finally be partitioned an...

We examine a policy for managing modem pools that disconnects users only if not enough modems are available for other users to connect. Managing the modem pool then becomes a replacement problem, similar to buffer cache management (e.g., in virtual memory systems). When a new connection request is received, the system needs to find a user to “replace”. In this paper we examine such demand-disco...

A technique to include virtual prototyping in the design cycle of complex digital modem ASICs is presented. It is innovating by using the same behavioral description for both the prototype as well as the final circuit implementation. Relating to verification of the design, this is a crucial benefit. The article discusses the prototyping mechanism by using the design of an upstream cable modem A...

This paper focuses on design of smart home control system based on powerline communication. Power line communication (PLC) technology is proved to be useful for control applications. It is most widely useful in home automation, automotive and internet access applications. The aim of the project is to design a power line communication modem Circuit to monitor and control the home appliances. Thi...

the purpose of this paper is to obtain necessary and suffcient conditionsfor existence approximate fixed point on geraghty-contraction. in this paper,denitions of approximate -pair fixed point for two maps tα , sα and theirdiameters are given in a metric space.

An object oriented programming approach for the design of complex systems in hardware is presented. The paper describes how the usage of object oriented techniques resolves some major obstacles for systemon-chip design. The design of a 10 Mbit/s upstream cable modem is used as a driving example.