| Patent application number | Description | Published |
|---|
| 20090253387 | System and Method for Wireless Communications - A system and method for wirelessly communicating using beamswitching is provided. A communications system includes a high-power signal cable coupled to a signal amplifier, a radio frequency circuit coupled to the high-power signal cable, and a control unit coupled to the radio frequency circuit. The high-power signal cable conveys a transmission signal produced by the signal amplifier. The radio frequency circuit includes a plurality of antennas, a passive network having a plurality of output ports and a plurality of input ports, each output port coupled to an antenna of the plurality of antennas, and a plurality of switches coupled to the high-power signal cable, each switch coupled to an input port in the plurality of input ports. The control unit produces the control signal based on a specified coupling of the high-power signal cable to the passive network. | 10-08-2009 |
| 20100033374 | System and Method for Synchronized and Coordinated Beam Switching and Scheduling in a Wireless Communications System - A system and method for synchronized and coordinated beam switching and scheduling in a wireless communications system is provided. A method for controller operation includes determining a beam cycle pattern, sharing the beam cycle pattern with neighboring controllers, receiving beam information from a communications device, generating scheduling information from the beam cycle pattern and beam cycle patterns from other controllers, receiving a transmission intended for the communications device, and causing the transmission to be transmitted to the communications device. The beam cycle pattern includes a list of beam patterns transmitted by the controller, and the transmission is transmitted using the scheduling information and the received beam information. | 02-11-2010 |
| 20100075705 | System and Method for Enabling Coordinated Beam Switching and Scheduling - A system and method for enabling coordinated beam switching and scheduling in a wireless communications system. A method for controller operation includes indicating that the controller is operating in a cooperative beam switching mode, transmitting a beam formed reference signal (BFRS), from each communications device being served by the controller, receiving a measurement of a communications channel between the controller and the communications device and an indicator indicating a transmission unit corresponding to the measurement of the communications channel, receiving a transmission intended for a communications device, and causing the transmission to be transmitted to the communications device. The BFRS is beam formed using a plurality of beam patterns, the beam pattern used in beam forming the BFRS changes once per transmission unit, and the transmission is transmitted using measurement of the communications channel and the indicator from the communications device. | 03-25-2010 |
| 20100127931 | System and Method for Enabling Coordinated Beam Switching and Scheduling - A system and method for enabling coordinated beam switching scheduling and switching is provided. A method for controller operation includes selecting beams for transmission in a beam cycle pattern, transmitting the selected beams in the beam cycle pattern, scheduling a subset of the plurality of communications nodes based on received transmissions for the subset of communications nodes and channel information reports from the plurality of communications nodes, and transmitting the received transmissions to the scheduled subset of the plurality of communications nodes. The selecting is based on measurements of received signal power to noise made by a plurality of communications nodes, and the channel information reports are based on measurements of received signal power plus received interference power to noise made by each of the plurality of communications nodes. | 05-27-2010 |
| 20100128687 | Systems and Methods for Scheduling and MU-MIMO in Uplink Vo-IP for OFDMA/SCFDMA Networks - A system and method for increasing the capacity of VoIP transmissions is disclosed. A preferred embodiment comprises fixing original transmissions into a frequency band and changing the retransmissions into separate frequency bands. Alternatively, the original transmissions may be changed into separate bands while the retransmissions may be fixed into a single frequency band. Additionally, an early termination procedure may be utilized and a combination of multi-input multi-output scheduling may be performed to further increase the capacity of the system. Another embodiment comprises reducing the overhead of a feedback signal for semi-persistent scheduling. | 05-27-2010 |
| 20100177725 | System and Method for Enabling Wireless Communications with Cell Coordination - A system and method for enabling wireless communications with cell coordination is provided. A method for communications controller operation includes transmitting a reference signal, and receiving a report from at least one communication device. The communications device is served by the communications controller, and the report includes an indicator of a preferred precoding matrix. The method also includes receiving a downlink (DL) transmission intended for the communications device, scheduling a transmission opportunity for the communications device, and transmitting the DL transmission to the communications device. The scheduling is based on the received report, and the received transmission is transmitted at an occurrence of the transmission opportunity. | 07-15-2010 |
| 20100272077 | System and Method for Communications using Time-Frequency Space Enabled Coordinated Beam Switching - A system and method for communications using time-frequency space enabled coordinated beam switching are provided. A method for transmitting information includes selecting a beam from a set of beams, determining a set of users out of a plurality of users, the set of users preferring the selected beam and for each user in the set of users, selecting a first available subframe-subband pair that maximizes the user's channel quality. The method also includes scheduling the selected subframe-subband pairs, and transmitting information related to the scheduled subframe-subband pairs to the users in the set of users. | 10-28-2010 |
| 20100273499 | System and Method for Coordinating Electronic Devices in a Wireless Communications System - A system and method for coordinating electronic devices in a wireless communications system are provided. A method for transmitting information by a controller includes computing a beam cycle based on transmissions from a plurality of mobile devices, receiving resource-specific channel quality indicators from the plurality of mobile devices, scheduling a transmission opportunity for a mobile device in the plurality of mobile devices, and transmitting information to the mobile device based on the scheduled transmission opportunity. The mobile devices are being served by the controller, and the scheduling is based on the beam cycle and the channel quality indicators. | 10-28-2010 |
| 20100284454 | System and Method for Outer Loop Link Adaptation for a Wireless Communications System - A system and method for outer loop link adaptation for a wireless communications system are provided. A method for transmitting information includes receiving information to be transmitted, the information includes at least one codeword, encoding the at least one codeword, and transmitting the encoded at least one codeword. The encoding is based on a measurement of a channel being used to transmit the information and performance measurements for the channel. | 11-11-2010 |
| 20110039547 | Coordinated Beam Forming and Multi-User MIMO - In one embodiment, a method for wireless communication includes receiving cell information for a cluster of cells to be coordinated. A first cluster scheduling order used for the cluster of cells is retrieved. The first cluster scheduling order represents a sequence in which the cluster of cells were scheduled in a previous schedule. A second cluster scheduling order is generated. The second cluster scheduling order determines a sequence in which the cluster of cells are scheduled in an upcoming schedule. The second cluster scheduling order is decided based on the first cluster scheduling order and/or the cell information. The second cluster scheduling order is transmitted to the cluster of cells. | 02-17-2011 |
| 20110064167 | System and Method for Transmitter and Receiver Operation for Multiple-Input, Multiple-Output Communications Based on Prior Channel Knowledge - A system and method for transmitter and receiver operation for multiple-input, multiple-output (MIMO) communications based on prior channel knowledge are provided. A method for receiver operations includes receiving a data block, determining if there is confidence in information related to a channel, detecting data in the data block with a first detector in response to determining that there is confidence in the information, and detecting the data in the data block with a second detector in response to determining that there is no confidence in the information. The data block is received over the channel. | 03-17-2011 |
| 20110081865 | System and Method for Inter-Cell Interference Coordination - A system and method for inter-cell interference coordination is provided. A method for controller operation includes receiving interferer information from a device served by the controller, scheduling a cell edge device based on the received interferer information, and reporting usage information of the subset of resources to neighboring controllers. The cell edge device operates in a periphery of a coverage area of the controller, and the cell edge device is scheduled to a subset of resources. The method also includes from each neighboring controller, receiving neighboring usage information of a neighboring subset of resources reserved for cell edge devices served by the neighboring controller. The method further includes scheduling a cell center device based on the received usage information from the neighboring controllers, and transmitting to scheduled devices over their respective scheduled resources. Cell center device is scheduled to resources not in the subset of resources. | 04-07-2011 |
| 20110126067 | System and Method for Multiple Input, Multiple Output (MIMO) Communications - A system and method for MIMO communications is provided. A method includes receiving a data block of P matrices from a transmitter, and determining if operating conditions are met. The method also includes if operating conditions are not met, computing a test position, selecting a codeword based on the test position, and computing a metric. The metric may then be compared with an error radius to determine a validity of the codeword. If the codeword is invalid, another codeword is selected. If the codeword is valid, then the codeword is stored if all matrices have been evaluated, else another matrix is selected for evaluation. If matrices earlier in the data block have untested codewords while all codewords for a matrix being evaluated have been tested, backtracking may be performed. After the codewords for the data block have been found, the stored data may be outputted and processed. | 05-26-2011 |
