Patent application number | Description | Published |
20090075586 | SYSTEM AND METHOD FOR TRANSMITTING DATA IN A COMMUNICATION NETWORK - Disclosed is a system and method for transmitting data from a first base station to a first destination subscriber station (DSS). The first base station is capable of transmitting data directly to the first DSS through a direct route. Co-channel interference is present at neighboring cells during the transmission of the data through the direct route. The method includes selecting a relay station from a plurality of relay stations for transmitting data to the first DSS via a relay route. The relay route includes a route from the first base station to the relay station and further from the relay station to the first DSS. A height of the relay station is lower than a height of the first base station. Further, the method includes transmitting the data through the relay route when a throughput of the relay route is greater than a throughput of the direct route by a predetermined threshold. | 03-19-2009 |
20090082064 | DEVICE, SYSTEM, AND METHOD OF WIRELESS COMMUNICATION OF BASE STATIONS - Device, system and method of wireless communication of base stations. In some demonstrative embodiments a method may include, for example, transmitting a downlink transmission over a frequency band from a first base station during a first time period; and receiving at a second base station an uplink transmission over the frequency band during a second time period at least partially overlapping the first time period. Other embodiments are described and claimed. | 03-26-2009 |
20090086842 | Unified closed loop SU/MU-MIMO signaling and codebook design - A multi-resolution codebook is used to provide quantization for channel related information in a wireless network that supports both single-user MIMO and multi-user MIMO. The multi-resolution codebook may include a higher resolution “fine” codebook for use with MU-MIMO subscriber stations and a lower resolution “coarse” codebook for use with SU-MIMO subscriber stations. A tracking codebook may also be used to provide quantization for updates to channel related information. In at least one embodiment, the tracking codebook includes a number of unit vectors (or orthogonal matrices) disposed upon a sphere cap. | 04-02-2009 |
20090147881 | CLOSED LOOP FEEDBACK IN MIMO SYSTEMS - Feedback bandwidth may be reduced in a closed loop MIMO system by factoring non essential information out of a beamforming matrix. | 06-11-2009 |
20090161646 | Recursive reduction of channel state feedback - Feedback bandwidth may be reduced in a closed loop MIMO system by Householder transformations and vector quantization using codebooks. | 06-25-2009 |
20090185521 | INTERFERENCE MITIGATION BY OVERHEARING - Briefly, in accordance with one or more embodiments in a wireless network, a station may overhear one or more packets that are not necessarily destined for those stations. The overhearing station may decode the data of the packet, and may utilizes the decoded packet to remove a retransmission of that packet in a subsequent time slot and occurring at the same time as the transmission of a packet destined for that station in the same time slot. Such a retransmission of packets may occur for example in relay systems and/or in hybrid automatic repeat request (HARQ) systems. The retransmitted packet may be treated as an interference signal in the total received signal, so that the previously received and decoded packet may be subtracted from the total signal, allowing the desired packet to be decoded from the intended signal. | 07-23-2009 |
20090196214 | DEVICE, SYSTEM, AND METHOD OF BIDIRECTIONAL WIRELESS COMMUNICATION - Device, system and method of bidirectional wireless communication. In some demonstrative embodiments a method may include, for example, receiving by a wireless communication relay node a superimposed transmission corresponding to first and second transmissions from first and second wireless communication nodes, respectively, wherein the first transmission includes a first packet intended at least for a third wireless communication node; and broadcasting a broadcast transmission including the superimposed transmission from the relay node to a set of two or more wireless communication nodes including the third wireless communication node. Other embodiments are described and claimed. | 08-06-2009 |
20090207928 | Training symbol format for adaptively power loaded MIMO - Training symbol formats are provided for use in a MIMO based wireless communication system that uses adaptive power loading. In at least one embodiment, a training symbol format is used that is capable of enhancing training symbol signal to noise ratio (SNR). | 08-20-2009 |
20090257393 | TECHNIQUES TO MANAGE CHANNEL PREDICTION - A system, apparatus, method and article to manage channel prediction for a wireless communication system are described. The apparatus may include a media access control processor to perform channel prediction, and a transceiver to communicate information using the channel prediction. Other embodiments are described and claimed. | 10-15-2009 |
20090323844 | Codebook generation system and associated methods - A codebook generation system and associated methods are generally described herein. | 12-31-2009 |
20090326933 | Codebook generation system and associated methods - A codebook generation system and associated methods are generally described herein. | 12-31-2009 |
20090327393 | NETWORK AGGREGATION - Disclosed are example embodiments of methods and systems for increasing the bandwidth available to transmit content or data from a source, for example located at a central office or head end, to one or more computing platforms, such as notebook computers, located, for example, but not by way of limitation, on or near subscriber premises. Content is segmented and transmitted to a plurality of computing platforms, each platform receiving at least one different segment, using, for example, a first distribution network such as a digital subscriber loop (DSL) network. Using a second network, such as peer-to-peer wireless connections between the platforms, the platforms exchange the segmented content and reassemble the content to its un-segmented form, so that the distribution capacity of the first network can be aggregated. | 12-31-2009 |
20100008331 | BANDWIDTH ALLOCATION BASE STATION AND METHOD FOR ALLOCATING UPLINK BANDWIDTH USING SDMA - Embodiments of a base station and methods for allocating uplink bandwidth using SDMA are generally described herein. In some embodiments, uplink bandwidth request messages are received on a bandwidth request contention channel from one or more subscriber stations. The uplink bandwidth request messages are generated by the subscriber stations by modulating pilot subcarriers of a randomly selected disjoint pilot pattern with a randomly selected orthogonal sequence. The base station allocates uplink bandwidth to the subscriber stations when the uplink bandwidth request messages are successfully detected and decoded. The base station uses an SDMA technique to determine channel responses based on the orthogonal sequences to detect and decode the uplink bandwidth request messages. | 01-14-2010 |
20100039947 | RELAYS IN WIRELESS COMMUNICATION NETWORKS - Methods and apparatus for transmitting packets in wireless communication networks are disclosed. The methods include a relay mobile station measuring channel quality between the relay mobile station and a destination mobile station in response to a request for relay mobile stations from a base station The relay mobile station reports a channel quality indicator to the base station if the channel quality for a link between the base station and the destination mobile station via the relay mobile station is greater than a predetermined channel quality. The base station determines the relay mobile station that provides an optimal route for transmitting the packets from the base station to the destination mobile station. | 02-18-2010 |
20100067594 | Codebook generation system and associated methods - A codebook generation system and associated methods are generally described herein. | 03-18-2010 |
20100098037 | Apparatus,systems and methods adapted for opportunistic forwarding of uplink short messages in wireless metropolitan area networks - An embodiment of the present invention provides an apparatus, comprising a subscriber station (SS) operable to communicate with a base station (BS) and at least one additional subscriber station (SS) in a wireless metropolitan area network, wherein the at least one additional SS attempts to overhear a first message from the SS and piggy back a second message for the overheard message from the SS's uplink data to the BS with its uplink data. | 04-22-2010 |
20100157921 | Codebook generation system and associated methods - A codebook generation system and associated methods are generally described herein. | 06-24-2010 |
20100202549 | MULTIPLE INPUT, MULTIPLE OUTPUT WIRELESS COMMUNICATION SYSTEM, ASSOCIATED METHODS AND DATA STRUCTURES - Briefly, in accordance with one or more embodiments, in response to receiving a wireless communication signal, a non-uniform codebook is generated based at least in part on one or more characteristics of the received wireless communication signal for quantization and communication back to a source of the received signal. The non-uniform codebook may be generated by selecting a suitable uniform codebook based at least in part on the one or more characteristics of the received wireless communication signal, and supplementing the uniform codebook with additional codewords to generate the non-uniform codebook. | 08-12-2010 |
20100232527 | INTERPOLATION IN CHANNEL STATE FEEDBACK - Feedback bandwidth may be reduced in a closed loop MIMO system by Householder transformations, vector quantization using codebooks, and down-sampling in the frequency domain. A column of a beamforming matrix is quantized using a codebook, a Householder reflection is performed on the beamforming matrix to reduce the dimensionality of the beamforming matrix, and the quantizing and performing of Householder reflection on the previously dimensionality reduced beamforming matrix is recursively repeated to obtain a further reduction of dimensionality of the beamforming matrix. These actions are performed for a subset of orthogonal frequency divisional multiplexing (OFDM) carriers, and quantized column vectors for the subset of OFDM carriers are transmitted. | 09-16-2010 |
20100254476 | TRAINING SYMBOL FORMAT FOR ADAPTIVELY POWER LOADED MIMO - Training symbol formats are provided for use in a MIMO based wireless communication system that uses adaptive power loading. In at least one embodiment, power loading information is used to calibrate constellation points for user data. | 10-07-2010 |
20110002372 | DOWNLINK CHANNEL PARAMETERS DETERMINATION FOR A MULTIPLE-INPUT-MULTIPLE-OUTPUT (MIMO) SYSTEM - Embodiments of methods and apparatus for providing downlink channel parameters determination for downlink channels associated with a multiple-input-multiple-output (MIMO) system are generally described herein. Other embodiments may be described and claimed. | 01-06-2011 |
20110009076 | PROVIDING CQI FEEDBACK WITH COMMON CODE RATE TO A TRANSMITTER STATION - Methods and apparatuses for providing CQI feedback with common code rate to a transmitter station are described herein. In one implementation, the methods may include a receiver station that is communicatively linked to a transmitter station via k spatial channels transmitting a first CQI to the transmitter station that indicates a modulation level for use by the transmitter station to transmit (i.e., to configure for transmission) a first of k streams of signals to be transmitted to the receiver station. The first CQI may further include a common code rate to be used by the transmitter station for transmitting the first of the k streams of signals as well as for transmitting the rest of the k−1 additional streams of signals to the receiver station. The receiver station may further transmit to the transmitter station k−1 additional CQIs to indicate to the transmitter station the k−1 modulation levels to be used by the transmitter station for transmitting the k−1 additional streams of signals to the receiver station. | 01-13-2011 |
20110028108 | Method and apparatus to provide low cost transmit beamforming for network devices - Techniques and structures for use in generating an approximated beamforming matrix in a MIMO based system are disclosed. The techniques and structures may be used to allow closed loop MIMO beamforming to be performed within a device that does not include singular value decomposition (SVD) circuitry. | 02-03-2011 |
20110032893 | TECHNIQUES TO MANAGE CHANNEL PREDICTION - A system, apparatus, method and article to manage channel prediction for a wireless communication system are described. The apparatus may include a media access control processor to perform channel prediction, and a transceiver to communicate information using the channel prediction. Other embodiments are described and claimed. | 02-10-2011 |
20110087944 | Retransmission techniques in wireless networks - Retransmission techniques are disclosed. These techniques may be used in networks employing contention-based access schemes, such as CSMA. For instance, a device may receive a corrupted packet from a transmitting device, and determine a cause of the corruption. When the determined cause of the corruption is an in-network packet collision, the device allows the transmitting device to send a retransmission of the packet in accordance with a contention-based access scheme. However, when the determined cause of the corruption is other than an in-network packet collision, the device provides retransmission assistance to the transmitting device. This retransmission assistance may include a channel reservation for a retransmission, and/or one or more link adaptation suggestions for the transmitting device. | 04-14-2011 |
20110261760 | SIGNAL RECEPTION APPARATUS, SYSTEMS, AND METHODS - An apparatus and a system, as well as a method and article, may operate to separate, in the frequency domain, a combined plurality of asynchronous data streams received at substantially the same time into a separated plurality of data streams, converting to the time domain for detection, synchronizing, and decoding. | 10-27-2011 |
20110294438 | PROVIDING CQI FEEDBACK WITH COMMON CODE RATE TO A TRANSMITTER STATION - Methods and apparatuses for providing CQI feedback to a transmitter station are described herein. In one implementation, an apparatus may include a transceiver to transmit and receive signals to and from a transmitter station, and a controller coupled to the transceiver to control the transceiver to transmit to the transmitter station a first channel quality indicator (CQI) that corresponds to a first modulation level to be used by the transmitter station to transmit first signals, and to control the transceiver to transmit to the transmitter station a differential indicator that comprises two bits or less to differentially indicate a second CQI relative to the first CQI, wherein the second CQI corresponds to a second modulation level to be used by the transmitter station to transmit second signals. Other embodiments may be described and/or claimed. | 12-01-2011 |
20120057542 | DOWNLINK RESOURCE ALLOCATION AND MAPPING - Embodiments of the present invention provide for downlink resource allocation among a plurality of users. Other embodiments may be described and claimed. | 03-08-2012 |
20120057643 | MULTIPLE INPUT, MULTIPLE OUTPUT WIRELESS COMMUNICATION SYSTEM, ASSOCIATED METHODS AND DATA STRUCTURES - Briefly, in accordance with one or more embodiments, in response to receiving a wireless communication signal, a non-uniform codebook is generated based at least in part on one or more characteristics of the received wireless communication signal for quantization and communication back to a source of the received signal. The non-uniform codebook may be generated by selecting a suitable uniform codebook based at least in part on the one or more characteristics of the received wireless communication signal, and supplementing the uniform codebook with additional codewords to generate the non-uniform codebook. | 03-08-2012 |
20120147846 | BASE STATION AND METHOD FOR RESOURCE ALLOCATION USING LOCALIZED AND DISTRIBUTED RESOURCE BLOCKS - Embodiments of a base station and method for resource allocation using localized and distributed resource blocks are generally described herein. The base station comprises processing circuitry to allocate localized resources to user stations based on receipt of channel quality information received from the user stations and to allocate distributed resource to user stations based on non-receipt of channel quality information. The base station also comprises physical layer circuitry to transmit control information on a physical channel to indicate the resources that are allocated to each scheduled user station. | 06-14-2012 |
20120162024 | INTEGRATED ANTENNA ASSEMBLY - An antenna assembly comprises a computer expansion card comprising a metallic layer which forms a radiating element or a metallic shield which forms the radiating element and a feed line coupled to the radiating element. Other embodiments may be described. | 06-28-2012 |
20120164961 | Wireless Display Performance Enhancement - Embodiments may comprise logic such as hardware and/or code to adaptively control the transmission power for a wireless channel. In many embodiments, adaptively controlling the transmission power may reduce or, in some embodiments, minimize interference between the wireless display (WiDi) transmissions and other transmissions such as multimedia content streaming over another wireless channel to the notebook via a second generation (2G) channel, third generation (3G) channel, or a future long term evolution (LTE) channel. | 06-28-2012 |
20120269280 | RECURSIVE REDUCTION OF CHANNEL STATE FEEDBACK - Feedback bandwidth may be reduced in a closed loop MIMO system by Householder transformations and vector quantization using codebooks. | 10-25-2012 |
20120275497 | DOWNLINK CHANNEL PARAMETERS DETERMINATION FOR A MULTIPLE-INPUT-MULTIPLE-OUTPUT (MIMO) SYSTEM - Embodiments of methods and apparatus for providing downlink channel parameters determination for downlink channels associated with a multiple-input-multiple-output (MIMO) system are generally described herein. Other embodiments may be described and claimed. | 11-01-2012 |
20120287895 | BASE STATION AND METHOD FOR RESOURCE ALLOCATION IN A 3GPP LTE NETWORK - Embodiments of a base station and methods for allocating uplink bandwidth using SDMA are generally described herein. In some embodiments, uplink bandwidth request messages are received on a bandwidth request contention channel from one or more subscriber stations. The uplink bandwidth request messages are generated by the subscriber stations by modulating pilot subcarriers of a randomly selected disjoint pilot pattern with a randomly selected orthogonal sequence. The base station allocates uplink bandwidth to the subscriber stations when the uplink bandwidth request messages are successfully detected and decoded. The base station uses an SDMA technique to determine channel responses based on the orthogonal sequences to detect and decode the uplink bandwidth request messages. | 11-15-2012 |
20130033977 | CODEBOOK GENERATION SYSTEM AND ASSOCIATED METHODS - A codebook generation system and associated methods are generally described herein. | 02-07-2013 |
20130058204 | CODEBOOK GENERATION SYSTEM AND ASSOCIATED METHODS - A codebook generation system and associated methods are generally described herein. | 03-07-2013 |
20130100898 | BEAMFORMING USING BASE AND DIFFERENTIAL CODEBOOKS - Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed. | 04-25-2013 |
20130163453 | PRESENCE SENSOR WITH ULTRASOUND AND RADIO - An ultrasound and radio frequency technology is used to implement presence sensor capability for wireless devices such as, a laptap device. For example, the laptap device connects to a station device through a WiFi signal. In this example, the WiFi signal may include a data packet that synchronizes internal clocks of the laptap device with the station device. Further, the data packet may include transmitting time information for an ultrasound audio signal generated by the station device. The ultrasound audio signal is received by the laptap device that calculates time of flight (TOF) of the ultrasound audio signal. The TOF may be used to determine actual distance of the wireless device (e.g., laptap device) to the station device. | 06-27-2013 |
20130195099 | CODEBOOK GENERATION SYSTEM AND ASSOCIATED METHODS - A codebook generation system and associated methods are generally described herein. | 08-01-2013 |
20130202056 | CODEBOOK GENERATION SYSTEM AND ASSOCIATED METHODS - A codebook generation system and associated methods are generally described herein. | 08-08-2013 |
20130223495 | TECHNIQUES USING DIFFERENTIAL PRECODING FOR HIGHLY CORRELATED CHANNELS IN WIRELESS NETWORKS - An embodiment of the present invention provides a method of using differential precoding feedback for correlated channels, comprising, transmitting by a mobile station (MS) as feedback an index angle for a differential discrete Fourier transform (DFT) codeword corresponding to a shift of a dominant beam represented by a base codeword, where the feedback corresponds to a precoding vector V(t)=Q({circumflex over (θ)}) for index angle θ, where | 08-29-2013 |
20130251009 | TECHNIQUES TO MANAGE CHANNEL PREDICTION - A system, apparatus, method and article to manage channel prediction for a wireless communication system are described. The apparatus may include a media access control processor to perform channel prediction, and a transceiver to communicate information using the channel prediction. Other embodiments are described and claimed. | 09-26-2013 |
20140065956 | NEAR FIELD COUPLING SOLUTIONS FOR WI-FI BASED WIRELESS DOCKING - Described herein are techniques related one or more systems, apparatuses, methods, etc. for a wireless fidelity (Wi-Fi) based wireless docking in an enterprise environment. In an implementation, a separate low radiating antenna is constructed and installed at a bottom surface of a wireless device and at a docking surface of a docking station. In this implementation, the low radiating antenna is configured to provide local wireless communication (i.e., Wi-Fi based communication) between a docking pair that includes the wireless device and the docking station. | 03-06-2014 |
20140146908 | MULTIPLE INPUT, MULTIPLE OUTPUT WIRELESS COMMUNICATION SYSTEM, ASSOCIATED METHODS AND DATA STRUCTURES - Briefly, in accordance with one or more embodiments, in response to receiving a wireless communication signal, a non-uniform codebook is generated based at least in part on one or more characteristics of the received wireless communication signal for quantization and communication back to a source of the received signal. The non-uniform codebook may be generated by selecting a suitable uniform codebook based at least in part on the one or more characteristics of the received wireless communication signal, and supplementing the uniform codebook with additional codewords to generate the non-uniform codebook. | 05-29-2014 |
20140153662 | DOWNLINK TRANSMIT BEAMFORMING - A wireless network access point can operate as a closed loop MIMO device when communicating with a station that is operating as an open loop MIMO device. Transmit/receive chains in the access point are calibrated to support aggregate channel reciprocity. | 06-05-2014 |
20140185542 | DOWNLINK CHANNEL PARAMETERS DETERMINATION FOR A MULTIPLE-INPUT-MULTIPLE-OUTPUT (MIMO) SYSTEM - Embodiments of methods and apparatus for providing downlink channel parameters determination for downlink channels associated with a multiple-input-multiple-output (MIMO) system are generally described herein. Other embodiments may be described and claimed. | 07-03-2014 |
20140362837 | ANTENNA COUPLER FOR NEAR FIELD WIRELESS DOCKING - Described herein are techniques related to one or more systems, apparatuses, methods, etc. for a wireless fidelity (Wi-Fi) based wireless docking station arrangement. | 12-11-2014 |