Class / Patent application number | Description | Number of patent applications / Date published |
455504000 | Fading compensation | 8 |
20100069107 | MULTIPLE OTHER SECTOR INFORMATION COMBINING FOR POWER CONTROL IN A WIRELESS COMMUNICATION SYSTEM - Techniques for adjusting transmit power to mitigate both intra-sector interference to a serving base station and inter-sector interference to neighbor base stations are described. This may be done by combining interference information from multiple base stations. | 03-18-2010 |
20120064929 | Information Sharing In a Private Access Point Network - This description relates to information sharing in a private access point network. | 03-15-2012 |
20140031072 | SYSTEMS, METHODS AND DEVICES FOR REDUCING IMPACT OF FADING DIPS ON RADIO CHANNELS - The impact of a fading dip in a radio channel on the communication between a first and a second antenna may be reduced by receiving a sounding signal at the first antenna or the second antenna over the radio channel and measuring the frequency response of the radio channel using this sound signal that was received. The radio frequency signal that is used to communicate between the first antenna and the second antenna is adjusted in response to the frequency response that was measured in order to reduce an impact of the fading dip in the radio channel on the radio frequency signal during operation. Related systems, methods, and devices are disclosed. | 01-30-2014 |
455505000 | Due to weather | 1 |
20140370925 | Systems and methods for improving the quality of millimeter-wave communication - Various embodiments of a millimeter-wave wireless point-to-point or point-to-multipoint communication network in which the different atmospheric absorption rates of different millimeter-wave frequencies are utilized to improve communication performance of the entire system. The network comprises one or more communication systems operating at a millimeter-wave frequency, in which each system is comprised of at least one or more point-to-point or point-to-multipoint radio transceivers. In various embodiments, the different atmospheric absorption rates of different millimeter-wave frequencies are used to reduce electromagnetic interference, to compensate for changing path-loss conditions, and/or to optimize inter-link interferences to enhance communication performance. | 12-18-2014 |
455506000 | Rayleigh or multipath fading | 4 |
20100178950 | METHOD AND SYSTEM FOR DIVERSITY PROCESSING INCLUDING USING DEDICATED PILOT METHOD FOR OPEN LOOP - Diversity processing for closed loops may include combining a plurality of received multipath signals to estimate at least one processed diversity signal based on information from at one or more common channels. The common channels may include a dedicated pilot channel transmitted by each diversity antenna. The received multipath signals may originate from diversity transmit antennas at a base station, which may be transmitting information via a closed loop diversity transmission mode. The closed loop diversity transmission mode may be WCDMA/HSDPA closed loop | 07-15-2010 |
20110081927 | Methods and Arrangements in a Mobile Telecommunication Network - The present invention relates to methods and arrangements for assisting a User Equipment (UE) to determine transmit power to be used on a first uplink component carrier y, wherein the base station is configured to communicate with the UE over a plurality of uplink and downlink component carriers x,y. The UE is aware of path loss parameters associated with a second downlink component carrier x. The method in a base station comprises determining cell specific path loss parameters associated with the component carriers of the base station. The cell specific path loss parameters at least comprises path loss parameters associated with the first uplink component carrier y and a second uplink component carrier x which is paired to the second downlink component carrier x, wherein the second uplink component carrier and second downlink component carrier are within one frequency band. The method comprises the further steps of calculating a pathloss offset, deltaPL(y,x), for the first uplink component carrier y, wherein the pathloss offset deltaPL(y,x) is the pathloss power offset for the first uplink component carrier y with respect to the second uplink component carrier x, and sending the calculated pathloss offset, deltaPL(y,x) to the UE. | 04-07-2011 |
20110092233 | Interference management for concurrent transmission in downlink wireless communications - A wireless base station having K antennas communicates with M mobile devices using multiuser diversity scheme with opportunistic interference management. The base station transmits K distinct pilot signals from K corresponding antennas and receives feedback from mobile devices. The feedback from each device indicates a strong pilot signal and a weak pilot signal received from the K distinct pilot signals. Using these indications, the base station assigns each of the K antennas to a mobile device. The base station then transmits distinct data streams to the mobile devices using the corresponding antennas assigned to the corresponding mobile devices. The transmission may include multiplying the transmitted distinct data streams by a vector V orthogonal to a vector U, thereby allowing mobile devices not assigned to an antenna to cancel the transmitted distinct data streams. | 04-21-2011 |
20160128075 | COOPERATIVE SPECTRUM SENSING METHOD AND IN-VEHICLE WIRELESS COMMUNICATION DEVICE - Efficient spectrum sensing is implemented taking into account the fading caused by multipath fading and shadow fading in a mobile environment. A cooperative spectrum sensing method performed by a plurality of in-vehicle wireless communication devices, includes: a decorrelation time acquisition step for acquiring a first decorrelation time, which is a time interval in which channel fluctuations resulting from multipath fading are decorrelated, and a second decorrelation time, which is a time interval in which channel fluctuations resulting from shadow fading are decorrelated; a sensing step for repeatedly performing sensing at a time interval equal to or longer than the first decorrelation time; a notification step for wireless transmitting a plurality of most recent sensing results at a time interval equal to or longer than the second decorrelation time; and a determination step for determining a state of a channel on the basis of the plurality of sensing results transmitted from the plurality of in-vehicle wireless communication devices. | 05-05-2016 |