Due to the prosperity of ubiquitous computing and mobile communication technologies, the traditional commerce will start changing drastically. A shopping model
In unstructured peer-to-peer(P2P) systems such as Gnutella,a general routing search algorithm is used to blindly flood a query through network among peers. But
A 2-GHz radio frequency transceiver is presented and implemented for third generation mobile communications using wide-band code division multiple access (WCDMA
The influence of a rigid spherical baffle on the response of a uniform circular microphone array (UCA) is analyzed and two eigen-beam beamforming arrays are des