Electronics and Telecommunications Research Institute

Samsung Electronics Co., Ltd.

Chan-Bok Jeong

Il-Gyu Kim

Young-Hoon Kim

Seung-Chan Bang

Sang-Woo Nam

Tae-Joong Kim

Hyeong-Jun Park

Gi-Yoon Park

Soo-Bum Kim

The present invention relates to a common channel generating method and device in a downlink. Receiving performance by the mobile station is improved by efficiently allocating the resource and generating the common channel in the downlink. Also, transmission diversity applied to the number of transmit antennas of the base station and the common channel can be easily detected, thereby acquiring the mobile station's initial process.

Method and apparatus for creating common physical channel

A space code block coding and spreading apparatus for transmission diversity, a Code Division Multiple Access (CDMA) diversity transmitter using it, and a CDMA mobile station receiver for receiving a transmission diversity signal, which are capable of improving the performance of system in wireless channel environments by allowing a transmission diversity to be made within one symbol interval in a CDMA communication system. The apparatus includes an encoder for generating a predetermined number of different transmission data with respect to a plurality of modulation symbols inputted during one modulation symbol interval, an orthogonal code generator for producing orthogonal codes, a spreader for spreading each of the transmission data generated from the encoder using the orthogonal codes generated from the orthogonal code generator, and a combining unit for combining the transmission data spread at the spreader to provide combined data for each transmission antenna path.

Space code block coding and spreading apparatus and method for transmission diversity and CDMA diversity transmitter and CDMA mobile station receiver using the same

The present invention relates to a terminal board applied to a multi-band and multi-carrier wireless system and an apparatus thereof. The terminal platform apparatus according to an exemplary embodiment of the present invention includes a multi-band multi-carrier terminal platform board, a monitoring device, an RF unit for a multi-band multi-carrier system, and a GPS/power source supply. The multi-band multi-carrier terminal platform board achieves high speed data processing and high quality data transmission by using a plurality of high performance FPGAs, an ARM processor, a DPRAM, and a CardBus interface. The monitoring device performs real-time debugging operations, and the GPS/power source supply supplies a power source to the multi-band multi-carrier terminal platform board.

Terminal platform board for multi-band and multi-carrier and apparatus thereof

Growing community of inventors

Daejeon, South Korea

Chan-Bok Jeong