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7366247 |
Adaptive transmit antenna diversity apparatus and method in a mobile communication system
Apparatus and method are disclosed for selecting a transmit antenna diversity scheme according to a variation speed of a fading channel in a mobile communication system. A user equipment (UE)...
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7363049 |
Pathloss aided closed loop power control
A transmitting station receives a transmit power command and a reference signal. The transmit power command indicates an increase or decrease in transmission power for the transmitting station. A...
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7363046 |
Clear channel assessment
A clear channel assessment procedure is described. The procedure includes setting a threshold value of signal strength. When a message is ready to transmit, the received signal strength intensity...
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7363012 |
Transmission power control device and method thereof, computer program for transmission power control device, and radio transmitter
A transmission power control device which amplifies in a driver amplifier 2 , and in a power amplifier 4 to which the output from the driver amplifier is inputted, so that the power of a signal...
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7363010 |
Power control for intermittently active data channels in a wireless communication system
Techniques for controlling transmit power for a data transmission sent on multiple data channels, which may be intermittently active, are described. Each data channel is monitored for activity...
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7359730 |
Method and apparatus for reducing interference associated with wireless communication
The present invention provides for a method and apparatus for reducing interference associated with wireless communication in an area having sensitive electronic equipment. A wireless...
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7359705 |
Random access burst transmission scheme
The present invention relates to an apparatus for transmitting and receiving signals in a wireless telecommunication system and to a method for transmitting random access bursts in such an...
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7359363 |
Reduced power auto-configuration
An auto-configuration algorithm for establishing a wireless connection between an access point (AP) and a wireless station includes reducing the power that the AP transmits or broadcasts...
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7356355 |
Wireless base station for reducing interference from a control signal emitted by another wireless base station
A signal processing unit 50 in a wireless base station forms an omni-directional pattern to intermittently transmit a control signal, forms an antenna array pattern to receive a control signal from...
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7356311 |
Wireless audio signal and control signal device and method thereof
A signal transmission arrangement includes a signal transmitter and a signal receiver wirelessly communicating with the signal transmitter. The signal transmitter includes a hybrid signal device to...
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7356005 |
Apparatus and associated method, by which to facilitate scheduling of data communications in a radio communications system
Apparatus, and associated method, for facilitating reverse link scheduling in a CDMA 2000 communication system (FIG. 1, 10 ) that provides for high data rate communication services, such as...
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7353040 |
Closed-loop power controlled radio communication system
In a radio communication system ( 50 ) employing closed loop power control a primary station ( 100 ) adjusts its transmit power in response to control information including power control commands...
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7353039 |
Power control of plural packet data control channels
A method and apparatus for enabling more efficient use of plural packet data control channels (PDCCHs) that are associated with a common block of one or more packet data channels in a cellular...
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7349715 |
Mobile communication terminal for transmitting random access channel signal with various transmission power levels and method thereof
Disclosed is a mobile communication terminal that includes: a radio unit for receiving a broadcast control channel signal including cell information and transmitting a random access channel signal...
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7349713 |
Data communication apparatus and data communication method
A type-2 hybrid ARQ data communication device having an improved quality of transmitted data while an increase of power consumption is avoided. The communication device transmits the same...
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7349712 |
Communications system with transmitting power control and method for the same
One power control means 14 controls a transmitting power according to a control command to a mobile terminal which accesses one task when radio communication is performed with the mobile...
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7346364 |
Power and data rate control in a multi-rate wireless system
Transmit parameters are adjusted for a wireless device based on link margin. In at least one embodiment, link margin is calculated as a difference between a received power level and receiver...
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7346314 |
Forward link transmit power control based on observed command response
A method and apparatus to provide a deterministic power control mechanism for the transmission of mobile station power control commands based on transmitting non-power control commands for which...
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7346313 |
Calibration of I-Q balance in transceivers
Transceivers using direct conversion between baseband and RF have become popular for low-cost designs. Bandwidth-efficient modulations employ information on both phases of the carrier, and for...
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7343172 |
HSDPA CQI, ACK, NACK power offset known in node B and in SRNC
High speed data packet access (HSDPA) is facilitated by ensuring that power offsets are delivered to the base station (Node B) so that the new functions envisioned therefor having to do with...
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7343171 |
Method and system for interrupting a dispatch call
The invention concerns a method ( 300 ) and system ( 100 ) for interrupting a dispatch call. The method can be practiced in a dispatch communications system ( 100 ) having at least a first...
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7340279 |
Wireless communications with an adaptive antenna array
Systems and techniques for parallel demodulation and searching using an adaptive antenna array with a processor configured to control the adaptive antenna to search for a first signal with the...
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7340270 |
Method for RF output power control of a wireless communication device
The present invention discloses a method for RF output power control of a wireless communication device by switching the wireless communication device between different modes according to a state...
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7340268 |
Reliability determination and combining of power control commands received in a wireless communication system
The reliability of transmit power control (TPC) commands received from a transmitter is determined based on a TPC target value. The TPC target value is derived based on a TPC threshold and possibly...
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7340267 |
Uplink power control algorithm
In a system having a base station transmitter for transmitting data blocks to one or more mobile stations over a radio link, there is a method for determining an uplink transmit power level at...
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7336647 |
System and method for ranging
A system operable for ranging synchronization is provided. The system includes a first component that is operable to analyze a set of signals. The first component is operable to determine a subset...
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7333835 |
Method and apparatus for providing user specific downlink beamforming in a fixed beam network
The disclosed embodiments relate to a system and method for providing user specific beams in a fixed beam network. In one embodiment, there is provided a mobile transceiver comprising a first...
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7333828 |
Method for compensating output power of mobile terminal
Provided is a paging system where a paging transmitter that outputs frequencies of wide bandwidth by using a table for storing power values corresponding to the detected voltages of the output...
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7333813 |
Methods and devices for assigning mobile devices to base stations in the presence of interference
Mobile devices are assigned to their correct base stations after taking into consideration interference from all other mobile devices. The resulting assignments are more efficient than previous...
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7333812 |
Transmission power control method, receiving method, mobile communications system and mobile terminal
During soft handover, base station selector 22 selects the base station that is transmitting the downlink signal with the best downlink reception quality, and notifies the base stations of the ID...
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7333775 |
Method for detection of radio communication terminals
A method detects which radio communication terminals use interference suppression procedures, in a radio communication system. Here radio communication terminals periodically return measurement...
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RE40056 |
Methods of controlling communication parameters of wireless systems
The present invention provides a method for controlling a communication parameter in a channel through which data is transmitted between a transmit unit with M transmit antennas and a receive unit...
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7330723 |
Communication performance calculation method and communication performance calculation apparatus in mobile communication system, and blocking probability calculation method and blocking probability calculation apparatus in communication system, and recording medium
A subdivision data holding unit holds data of transmission power Pi and traffic intensity Ai of each subdivision. A propagation associated data holding unit holds data used for calculating received...
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7330701 |
Low complexity beamformers for multiple transmit and receive antennas
Beamforming systems having a few bits of channel state information fed back to the transmitter benefit from low complexity decoding structures and performances gains compared with systems that do...
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7330457 |
Cooperative wireless communications
When it is advantageous to do so, a wireless LAN station sends data packets to a destination station via an intermediate station, instead of to the destination station directly. That is, the...
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7328038 |
Power control in mobile communication systems
In a radio communication system in a mobile to mobile call with one good (AMR 102 ) and bad (AMR 515 ) radio link, the good radio (AMR 102 ) link is forced by the poor (AMR 515 ) link to use a more...
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7328037 |
Method and apparatus to control transmitter
Briefly, a method to control data transmission rate and transmission power level of a mobile unit is provided. The method may include varying a data transmission rate value based on a difference...
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7328019 |
Communication environment measurement method for mobile station and the mobile station
In a communication system for respectively transmitting pilot signals from a plurality of base stations to a mobile station via a first channel and also for transmitting data from one base station...
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7327987 |
Base station control equipment, radio base station equipment, radio terminal equipment, and mobile communication system
This invention relates to base station control equipment, radio base station equipment and radio terminal equipment that together constitute a mobile communication system. These base station...
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7327801 |
Communication device with smart antenna using a quality-indication signal
Communication is performed for a first communication device having a set of antenna elements. A quality-indication signal is received from a second communication device (e.g., a basestation). A...
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7324828 |
Transmission power control method and device
Disclosed is a method and an apparatus for controlling transmission electric power capable of minimizing a decrease in the amount of maximum transmission electric power without degrading an...
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7324787 |
Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system
In a radio communication system having a phase control loop for phase modulation and an amplitude control loop for amplitude modulation and being capable of time divisional transmission and...
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7324786 |
Method and apparatus for increasing the number of strong eigenmodes in a multiple-input multiple-output (MIMO) radio channel
The invention provides a system for implementing a high capacity MIMO system with high throughput which will ensure an eigenmode rich channel largely irrespective of the environment. In...
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7324785 |
Transmit power control of wireless communication devices
A method and apparatus for controlling transmit power of a wireless communication device includes processing that begins when a transmitting wireless communication device transmits a packet to a...
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7321636 |
Communication device with smart antenna using a quality-indication signal
Communication is performed for a first communication device having a set of antenna elements. A quality-indication signal is received from a second communication device. A complex weighting is...
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7319884 |
FM radio device and transmission power control method
A transmission power control method includes a step (a) of receiving by a receiver a radio wave signal, a step (b) of judging whether a first identification signal is included in the received radio...
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7319883 |
Method and apparatus for determining a transmit power
The invention relates to determining a transmit power in a cellular communication system comprising a cell including an inner zone served by a first carrier and an outer zone. A base station ( 201...
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7319718 |
CQI coding method for HS-DPCCH
In the channel quality information (CQI) coding method of the present invention, first basis sequences for generating sub-codes of 32 bits are created, and second basis sequences for generating...
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7319716 |
Transmitter image suppression in TDD transceivers
In a transceiver comprising a time-division-duplex (TDD) of transmit and receive functions, the characteristics of unwanted image signal energy being transmitted from the transceiver are...
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7317711 |
Method of controlling reverse transmission in a mobile communication system
A reverse transmission controlling method in a mobile communication system, after receiving forward information, commanding the increase or decrease of the reverse data rate received on a forward...
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