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| Number | Title | Issue Date |
| 8180005 | Apparatus and method for selecting optimal signal using auxiliary equalization in diversity receiver Provided are an apparatus and method for selecting an optimal signal using auxiliary equalization in a diversity receiver. The optimal signal selecting apparatus includes: a plurality of sync recovery units for extracting sync information from baseband signals, whic... | 05/15/2012 |
| 8170160 | Multi-symbol phase offset estimation Receivers typically detect the presence of a pilot tone, transmitted as part of an RF signal, and use the pilot tone as a reference to detect symbols in the received RF signal. However, improper synchronization between the transmitter and the receiver units can resu... | 05/01/2012 |
| 8170161 | Hybrid switched-phased diversity system and method A receiver system and method are provided, wherein the system includes a plurality of antenna elements, and a receiver device configured to emit an output based upon the received signal. The receiver device communicates a control signal that corresponds to a determi... | 05/01/2012 |
| 8170162 | Inter-carrier interference removal device and reception device using the same An inter-carrier interface removal device can improve estimation accuracy of inter-carrier interference caused by Doppler shift in a received multi-carrier signal moving at a high speed, and a reception characteristic of the multi-carrier signal after removing the i... | 05/01/2012 |
| 8160188 | Method and system for communication in a wireless orthogonal frequency division multiplexing (OFDM) communication system Method and system for wireless communication in an Orthogonal Frequency Division Multiplexing (OFDM) communication system is disclosed. The method involves receiving a plurality of receive-signals over a first set of antennas. Further, one or more of the plurality o... | 04/17/2012 |
| 8149969 | Apparatus and method for reduced peak-to-average-power ratio in a wireless network A wireless transmission device capable of communicating with a receiver according to a DFT-spread OFDM protocol. The wireless transmission device comprises a configurable spectral shaping filter block capable of performing spectral shaping of an outgoing signal. The... | 04/03/2012 |
| 8139695 | Combined channel coding and space-block coding in a multi-antenna arrangement Enhanced performance is achieved by combining channel coding with the space-time coding principles. With K synchronized terminal units transmitting on N antennas to a base station having M≧K receive antennas, increased system capacity and improved performance are ... | 03/20/2012 |
| 8139694 | Method for reducing power consumption when receiving paging channel information at a mobile communication device A mobile communication device (100) includes a receiver (102) which is normally shut off when the mobile communication device is idle. Upon the arrival of a paging time slot to which the mobile communication device is assigned, the mobile communication... | 03/20/2012 |
| 8135099 | Method for detecting transmission symbols in multiple antenna system The present invention relates to a transmission symbol detection method in a multiple antenna system. In the present invention, when a channel matrix is estimated through channel estimation, a receiving side calculates a Q matrix and an R matrix through QR decomposi... | 03/13/2012 |
| 8126096 | System, apparatus, and method for multi-band OFDM systems with receiver antenna selection per sub-band The present invention provides a system (300-400), apparatus (300-400), and method for an energy-based antenna selection technique in which the antenna that observes the largest SNR averaged over all carriers per sub-band (405) is ... | 02/28/2012 |
| 8126095 | Maximum ratio combining architectures for optimal complementary code keying receiver design A multi input multi output (MIMO) receiver for receiving signals having a plurality of equalizers being responsive to aligned signals for processing the same to generate a plurality of equalized outputs using filter coefficients, in accordance with an embodiment of ... | 02/28/2012 |
| 8126097 | Method and system for cluster processing using conjugate gradient-based MMSE equalizer and multiple transmit and/or receive antennas for HSDPA, STTD, closed-loop and normal mode A system and method for processing signals are disclosed. The method may include performing by one or more processors and/or circuits in a wireless device that includes a plurality of transmit and/or receive antennas for one or more of HSDPA, space-time transmit div... | 02/28/2012 |
| 8121234 | Multi-dimensional detector for receiver of MIMO system Provided are a multi-dimensional detector for a receiver of an MIMO system and a method thereof. The multi-dimensional detector includes a first symbol detecting unit for calculating symbol distance values using an upper triangular matrix (R) obtained from QR decomp... | 02/21/2012 |
| 8121235 | Dimension reduction for codebook search Systems are provided for searching for a codeword from a plurality of codewords in a codebook for use in precoding, for example, as used in a multiple-input multiple-output (MIMO) transmission system. Dimension reduction techniques may be utilized to reduce the comp... | 02/21/2012 |
| 8116414 | Diversity receiver and diversity reception method An orthogonal signal from a modulated signal of the digital terrestrial broadcast is produced. Then, an adder carrier-combines the orthogonal signal and an interpolated signal into an interpolated orthogonal signal, which is in turn demodulated by a DQPSK demodulati... | 02/14/2012 |
| 8107569 | Method and apparatus for channel bonding using a multiple-beam antenna A system is provided that enhances the throughput and reliability of wireless communications by providing multi-beam user terminals that exhibit directional discrimination. Multiple wireless communication channels are matched with multiple beams created from an arra... | 01/31/2012 |
| 8107570 | Space time block coded transmit antenna diversity for WCDMA A mobile communication system is designed with an input circuit coupled to receive a first plurality of signals (rj(i+τj), i=0−N−1) during a first time (T0-T1) from an external source and coupled to receive a second plurality... | 01/31/2012 |
| 8102957 | Method and apparatus for identification of transmission antenna diversity in a receiver In a method for identification of a multiple antenna transmission mode in a radio receiver, at least two antenna-decoupled data streams (s0, s1) are produced by means of an antenna decoupling unit in the receiver. Respective first variables (p | 01/24/2012 |
| 8102956 | Smart antenna solution for mobile handset A mobile terminal with smart antennas, comprises a plurality of groups of radio frequency signal processing modules (300), for transforming received multi-channel radio frequency signals to multi-channel baseband signals; a smart antenna processing module ( | 01/24/2012 |
| 8094762 | Joint estimation of MIMO channels and noise correlation for wireless systems with multiple receive antennas A radio communication sent by a transmitter having M transmit antennas is received by a receiver having N receive antennas, where M is a positive integer greater than or equal to one and N is positive integer greater than one. Thus, N output signals, one for each re... | 01/10/2012 |
| 8090063 | Symbol-level combining for multiple input multiple output (MIMO) systems with hybrid automatic repeat request (HARQ) and/or repetition coding Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors from the same transmitted vector. The symbols of the received signal vectors are combined, formi... | 01/03/2012 |
| 8081721 | Method and arrangement in wireless communication networks using relaying A wireless communication system uses relaying to enhance performance. Artificial frequency selectivity and spatial diversity are provided by introducing delay diversity. A transformed OFDM chunk is subjected to a 2D cyclic prefix by pre-appending to a representation... | 12/20/2011 |
| 8073087 | Multi-carrier incremental redundancy for packet based wireless communications Methods and apparatus are disclosed herein for providing incremental redundancy in a wireless communication system to aid in error recovery. One or more redundancy versions are sent on different carriers than the primary version of information to be transmitted. At ... | 12/06/2011 |
| 8068570 | Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining based upon minimum bit error rate A method for processing communication signals is disclosed and may include, in a receiver and/or a baseband processor coupled to the receiver, the receiver comprising a plurality of antennas, generating a plurality of RF weighting values based on one or more output ... | 11/29/2011 |
| 8059770 | Diversity receiving device It is a theme of the present invention to provide a diversity receiving device capable of reducing a power consumption to the utmost extent while keeping a predetermined received quality without measurement of an electric field strength and a fading pitch. A decisio... | 11/15/2011 |
| 8059771 | Method and system for transmitting and receiving data streams A method and system for transmitting and receiving data using a plurality of antennas are disclosed. The method of transmitting includes the steps of receiving feedback information from a receiving end, the feedback information including group selection information ... | 11/15/2011 |
| 8054923 | Radio receiver A radio receiver for receiving an existing analog broadcast and a terrestrial digital radio broadcast transmitting digital signals, the receiver having a plurality of antennas 11a, 11b, and composed of a diversity receiver 12 for r... | 11/08/2011 |
| 8050369 | System and method of receiving and processing multicommunication signals A receiver receives and front-end processes a plurality of component carrier signals, each carrier spaced apart in frequency. The digitized, baseband component carrier signals are inspected to determine estimates of timing offsets between the carriers. A control uni... | 11/01/2011 |
| 8040986 | Frequency-domain subchannel transmit antenna selection and power pouring for multi-antenna transmission A system comprises a wireless device that communicates across a spectrum having a plurality of sub-channels. The wireless device comprises a plurality of antennas through which the wireless device communicates with another wireless device, wherein each antenna commu... | 10/18/2011 |
| 8027417 | Interference-weighted communication signal processing systems and methods A level of interference affecting signal components of received communication signals is estimated and used to weight the signal components. The signal components in a each of a number of groups of signal components are weighted based on respective interference esti... | 09/27/2011 |
| 8027418 | Diversity reception circuit To improve an S/N of an AM signal in a diversity reception circuit while suppressing an increase in a circuit size of A/D conversion circuits therein. In the diversity reception circuit, a single AM signal is supplied to each of the A/D conversion circuits provided ... | 09/27/2011 |
| 8023601 | Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining A method for processing signals is disclosed and may include performing using one or more processor and/or circuits in a receiver that uses a plurality of antennas: receiving via a channel, a plurality of RF signals by one or more of the plurality of antennas. The p... | 09/20/2011 |
| 8023600 | Method and apparatus for interference rejection combining and detection A multi-branch OFDM receiver combines diversity signals received over different receiver branches using interference rejection combining. The receiver generates first channel estimates associated with a serving base station, second channel estimates associated with ... | 09/20/2011 |
| 8023599 | Interfering signal characterizing quantity storing method and device, interfering signal characterizing quantity acquiring method and device, and interfering signal suppressing method and device Interfering signals coming at random timings from different radio stations are identified. In order to attain this, a method for storing the characterizing quantity of an interfering signal included in a received signal includes calculating the characterizing quanti... | 09/20/2011 |
| 8019030 | Reconfigurable alamouti/ABBA decoder circuit, system, and method A decoder apparatus for decoding a first input set of demodulated data elements obtained by demodulating transmitted data elements received over a transmission channel so as to obtain a corresponding output set of decoded data elements. The decoder apparatus include... | 09/13/2011 |
| 8000418 | Method and system for improving robustness of interference nulling for antenna arrays A method and system are provided for improving the robustness of interference nulling for antenna arrays in a wireless communication network. The method is comprised of generating a first interference spatial signature from an interference signal matrix received by ... | 08/16/2011 |
| 8000419 | Method and apparatus for cancellation of partially known interference using transmit diversity based interference cancellation In wireless communication networks, potentially significant interference arises at a given targeted receiver because of unrelated transmissions from a neighboring, interfering transmitter. According to apparatuses and methods described and claimed herein, a first tr... | 08/16/2011 |
| 7995689 | Transmission/reception apparatus and method for frequency domain signal processing in a smart antenna system An apparatus and a method can improve the performance of a smart antenna system for signal processing in the frequency domain. The method includes: performing Fast Fourier Transform (FFT) on a plurality of incoming signals received through antennas according to a pr... | 08/09/2011 |
| 7991090 | Method and system for reordered QRV-LST (layered space time) detection for efficient processing for multiple input multiple output (MIMO) communication systems Aspects of a method and system for reordered QRV-LST (layered space time) detection for efficient processing for multiple input multiple output (MIMO) communication systems are presented. The method may include receiving an ordered plurality of signals wherein each ... | 08/02/2011 |
| 7974371 | Communication method and radio communication apparatus A radio communication apparatus for transmitting and receiving modulation signals of a plurality of channels in the same frequency band via a plurality of antennas. A communication method is based on information on electric wave propagation environment corresponding... | 07/05/2011 |
