| Patent Number |
Title Of Patent |
Date Issued |
| 7609775 |
Radio communication apparatus and communication method |
October 27, 2009 |
| In a radio communication apparatus for forming a frame with a plurality of slots, and inserting a guard interval into each slot along with data for a mobile station to perform communication, a receive state acquisition section acquires a receive state of each mobile station, a frame form |
| 7583968 |
Radio communication apparatus for feeding back radio link quality information |
September 1, 2009 |
| A base station has a time correlation calculating unit for estimating a variation-with-time characteristic of radio link quality using radio downlink quality information reported by a mobile station, a target error rate setting unit for changing over a target error rate adaptively using |
| 7548595 |
Apparatus and method for fading frequency estimation |
June 16, 2009 |
| The invention relates to an apparatus and a method for estimating a fading frequency of incoming received waves in a receiving station of a radio communication system or radio transmission system. An object of the invention is to estimate a fading frequency efficiently and accurately |
| 7366228 |
Synchronization detecting apparatus |
April 29, 2008 |
| In a channel estimating circuit, a Sync Word is demodulated by using a channel estimation value not with a symbol or a slot including the Sync Word to be demodulated, but with its preceding and succeeding symbols or slots. Furthermore, in a channel estimation process, if a Synch Word to |
| 7170925 |
CDMA receiver |
January 30, 2007 |
| In a CDMA receiver for applying despread processing to direct wave or delayed waves that arrive via each path of multiple paths, applying synchronous detection processing to the despread signals obtained, combining the detection signals of respective paths and discriminating the rece |
| 7133475 |
Radio receiver |
November 7, 2006 |
| The invention relates to a radio receiver which receives reception waves modulated with a frame being a sequence of slots and reproduces transmission information that is distributed to the slots. An object of the invention is to increase the reliability of channel inference and impro |
| 7062287 |
Transmission power control apparatus |
June 13, 2006 |
| In a transmission power control apparatus for measuring SIR, which is a ratio of a receive signal to an interference signal, and controlling transmission power of a mobile station in such a manner that the measured SIR will agree with a target SIR, a fading detector detects the rate of |
| 6909902 |
Radio base station equipment and mobile station equipment determining location of mobile station |
June 21, 2005 |
| This invention relates to a radio base station equipment and a mobile station equipment in a mobile communication system that operate as determination stations adapted for a predetermined navigation or associate with other radio base station(s) or mobile station(s) to radio-determine |
