Inventor

SAWAHASHI MAMORU

JP305 patents

⚠️ This page may combine multiple inventors who share the name “SAWAHASHI MAMORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAWAHASHI MAMORU

NIPPON TELEGRAPH & TELEPHONE

Transmission power control method and a transmission power control apparatus

Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system

Method and instrument for measuring receiving SIR and transmission power controller

Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system

Coherent tracking apparatus and method for CDMA receiver

Correlation detector and communication apparatus

Transmission power control method of a spread-spectrum communication system, and a spread-spectrum communication system employing the control method

Transmission power control method and a communication system using the same

CDMA demodulating apparatus

Diversity receiver and its control method

DS-CDMA transmission method

Power controller for mobile communication system wherein a signal to interference threshold is dynamically moved based on an error rate measurement

DS-CDMA transmission method

Sliding correlator used in CDMA systems to establish initial synchronization

CDMA communications method and system

CDMA demodulator and demodulation method

Receiver and repeater for spread spectrum communications

Transmission power control method and apparatus for mobile communications using a CDMA (code division multiple access) system

CDMA communications method and system

CDMA multiuser receiver and method

Acquisition method and system of spreading code

Apparatus and method for establishing acquisition of spreading code in CDMA transmission system

Code division multiple access transmitter and receiver

Automatic gain control apparatus, communication system, and automatic gain control method

Coherent detector and a coherent detection method for a digital communication receiver

NTT DOCOMO INC

Channel constructing method and base station using the method

Base station, control device, communication system and communication method

Communication system and method employing automatic repeat request

Receiver, transmitter, communication system, and method of communication

Mobile station capable of and a method for generating chip patterns for transmission

Path search method, channel estimation method and communication device

Transmitter, receiver, mobile communication system and synchronization channel

User equipment, base station apparatus, and method

User apparatus, base station apparatus, and method in mobile communication system

Slot allocation apparatus and slot allocation method

Receiving process method and receiving apparatus in mobile communication system

Radio transmission system and method, and transmitter apparatus and receiver apparatus used in the radio transmission system

Mobile communication system, channel synchronization establishing method, and mobile station

Signal format in multi-carrier CDMA transmission system

Multi-carrier CDMA transmission system, transmitting apparatus and receiving apparatus used in this system, and multi-carrier CDMA transmission method

CDMA receiver and CDMA transmitter/receiver

Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit

Base station and mobile station

OFDM communication system and method

Mobile station, base station, communications system, and communication method

KISHIYAMA YOSHIHISA

Cell search method, mobile station, and base station

Transmission apparatus and transmission method

HIGUCHI KENICHI

Radio communication apparatus and a radio communication method

TAOKA HIDEKAZU

Base station, user equipment terminal and method

KAWAMURA TERUO

Transmission apparatus and reception apparatus