Patents Assigned to Coherent Logix, Incorporated
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Patent number: 11350404Abstract: Methods and devices are described for encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on downlink control information (DCI) blind detection. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a unique identifier associated with either the transmitter or the intended receiver. The scrambling masks may be used by the receiver to perform early termination of the decoding process, to mitigate intercell interference, and to verify that the receiver is the intended receiver.Type: GrantFiled: January 4, 2021Date of Patent: May 31, 2022Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Feng Liu
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Patent number: 11327753Abstract: Various embodiments are described of a system for improved processor instructions for a software-configurable processing element. In particular, various embodiments are described which accelerate functions useful for FEC encoding and decoding. In particular, the processing element may be configured to implement one or more instances of the relevant functions in response to receiving one of the processor instructions. The processing element may later be reconfigured to implement a different function in response to receiving a different one of the processor instructions. Each of the disclosed processor instructions may be implemented repeatedly by the processing element to repeatedly perform one or more instances of the relevant functions with a throughput approaching one or more solutions per clock cycle.Type: GrantFiled: June 22, 2020Date of Patent: May 10, 2022Assignee: Coherent Logix, IncorporatedInventors: Keith M. Bindloss, Carl S. Dobbs, Evgeny Mezhibovsky, Zahir Raza, Kevin A. Shelby
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Patent number: 11323729Abstract: Methods and devices are described for a parallel multi-processor encoder system for encoding video data, wherein the video data comprises a sequence of frames, wherein each frame comprises a plurality of blocks of pixels in sequential rows. For each frame, the system may divide the plurality of blocks into a plurality of subsets of blocks, wherein each subset of blocks is allocated to a respective processor of the parallel multi-processor system. Each respective processor of the parallel multi-processor system may sequentially encode rows of the subset of blocks allocated to the respective processor and sequentially transmit each encoded row of blocks as a bit stream to a decoder on a channel. For each row, the respective encoded row of blocks may be transmitted to the decoder for each processor prior to transmission of the next sequential respective encoded row of blocks for any processor. Additionally, a similar parallel multi-processor decoder system is described.Type: GrantFiled: December 21, 2020Date of Patent: May 3, 2022Assignee: Coherent Logix, IncorporatedInventors: Michael W. Bruns, Martin A. Hunt, Manjunath H. Siddaiah, John C. Sievers
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Patent number: 11234288Abstract: Techniques are disclosed relating to spectrum sharing between different radio access technologies. In some embodiments, a broadcast base station is configured to wirelessly broadcast audio and video data to a plurality of broadcast receiver devices using a particular frequency band. In these embodiments, the broadcast base station is configured to discontinue broadcasting in the particular frequency band during a scheduled time interval, to enable one or more cellular base stations to perform cellular packet-switched wireless data communications using the particular frequency band.Type: GrantFiled: November 12, 2018Date of Patent: January 25, 2022Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Durga P. Prasad, Sandeep Mavuduru Kannappa, Mark Earnshaw
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Patent number: 11233527Abstract: Wireless transport of multiple service versions of a transport framework. First and second information may be processed for transmission, respectively, according to first and second service versions of a transport framework. The first and second information may be encoded using a first type of error correction coding; after processing, the processed first information may include error correction coding according to the first type of error correction coding, while the processed second information may remain uncoded according to the first type of error correction coding. Control information may be generated indicating that the second information remains uncoded according to the first type of error correction coding, which may signal to receivers that the second information is processed according to the second service version of the transport framework.Type: GrantFiled: March 10, 2020Date of Patent: January 25, 2022Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Peter J. Nysen, Michael B. Doerr
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Comprehensive system design to address the needs for virtual segmentation of the coaxial cable plant
Patent number: 11228339Abstract: Methods and devices for dynamically designated first and second subsets of a plurality of frequency channels as upstream and downstream channels, respectively, for performing wired communications using virtual segmentation between a network controller and an endpoint device. performing virtual segmentation to service an endpoint device. Communications are performed between the network controller and the endpoint device through a wired communication medium using the upstream and downstream channels. The first subset and second subsets of the plurality of channels are designated as upstream channels and downstream channels, respectively, based at least in part on one or both of upstream and downstream channel demand and channel availability.Type: GrantFiled: February 4, 2020Date of Patent: January 18, 2022Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Michael B. Doerr -
Patent number: 11212876Abstract: Methods and devices for a home power networking system including a first wireless access point (AP) configured to perform wired communications over a first circuit connected to the first wireless AP. The first wireless AP further performs wireless communications with a second wireless AP, wherein the second wireless access point is connected to a second circuit and is not connected to the first circuit. The first wireless AP provides wireless transport through the second wireless AP to bridge communications between the first circuit and the second circuit.Type: GrantFiled: November 27, 2019Date of Patent: December 28, 2021Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Michael B. Doerr, Michael B. Solka, Yama Yasha
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Patent number: 11206437Abstract: Control information for configuring an audiovisual device to present multimedia content according to a first service type may be generated. A method may include generating first control information for configuring an audiovisual device to decode a multimedia stream, generating first data that indicates a structure of the first control information, and transmitting the first data and the first control information. The first control information may be generated according to a first protocol version. Second data and second control information may be similarly generated and transmitted according to a second protocol version. Disclosed techniques may facilitate receiving devices to determine whether they support received wireless transmissions and decode the transmissions based on the control information.Type: GrantFiled: November 18, 2020Date of Patent: December 21, 2021Assignee: Coherent Logix, IncorporatedInventors: Colleen J. McGinn, Kevin A. Shelby, Peter J. Nysen, Michael B. Doerr
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Patent number: 11172383Abstract: Techniques for operating a wireless network in a plurality of radio operating environments are disclosed. In some embodiments, an apparatus receives a first parameter value set that is selected from a group of multiple parameter value sets, wherein the first parameter value set is appropriate for a first target radio operating environment that corresponds to one or more of: a first level of mobility of user devices or a first range of wireless transmission. In some embodiments, the apparatus is reconfigured to receive wireless broadcast transmissions from a second broadcast transmitter using a second parameter value set that is appropriate for a second target radio operating environment. The first and second broadcast transmitters may be the same or different. The parameter value sets may include a first parameter based upon which the apparatus is configured to determine subcarrier spacing and a second parameter that indicates a cyclic prefix size.Type: GrantFiled: February 14, 2020Date of Patent: November 9, 2021Assignee: Coherent Logix, IncorporatedInventors: Tommy K. Eng, Kevin A. Shelby
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Patent number: 11163558Abstract: Techniques for specifying and implementing a software application targeted for execution on a multiprocessor array (MPA). The MPA may include a plurality of processing elements, supporting memory, and a high bandwidth interconnection network (IN), communicatively coupling the plurality of processing elements and supporting memory. In some embodiments, software code may include first program instructions executable to perform a function. In some embodiments, the software code may also include one or more language constructs that are configurable to specify one or more one or more parameter inputs. In some embodiments, the one or more parameter inputs are configurable to specify a set of hardware resources usable to execute the software code. In some embodiments, the hardware resources include multiple processors and may include multiple supporting memories.Type: GrantFiled: March 13, 2020Date of Patent: November 2, 2021Assignee: Coherent Logix, IncorporatedInventors: Stephen E. Lim, Viet N. Ngo, Jeffrey M. Nicholson, John Mark Beardslee, Teng-I Wang, Zhong Qing Shang, Michael Lyle Purnell
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Patent number: 11082277Abstract: Techniques are disclosed relating to generating and receiving radio frames with multiple portions that have different encoding schemes. An apparatus may include one or more processing elements configured to receive, via a wireless radio, wireless data that includes a plurality of portions that each include multiple orthogonal frequency-division multiplexing (OFDM) symbols. Different ones of the portions have different frequency transform sizes and different sampling rates. The wireless data may also include control data that indicates the frequency transform sizes and sampling rates for the ones of the portions. The apparatus may select, based on the control data and a determined velocity of the apparatus, one or more but not all of the plurality of portions and may decode the selected one or more portions to determine data represented by the OFDM symbols in the selected one or more portions. Different portions of the wireless data may be adapted for decoding by devices moving at different maximum velocities.Type: GrantFiled: February 7, 2020Date of Patent: August 3, 2021Assignees: Coherent Logix, Incorporated, Sinclair Television Group, Inc.Inventors: Michael J. Simon, Kevin A. Shelby, Mark Earnshaw
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Patent number: 11063697Abstract: Methods and devices are described for determining reliabilities of bit positions in a bit sequence for information bit allocation using polar codes. The reliabilities are calculated using a weighted summation over a binary expansion of each bit position, wherein the summation is weighted by an exponential factor that is selected based at least in part on the coding rate of the polar code. Information bits and frozen bits are allocated to the bit positions based on the determined reliabilities, and data is polar encoded as the information bits. The polar encoded data is then transmitted to a remote device.Type: GrantFiled: January 8, 2020Date of Patent: July 13, 2021Assignee: Coherent Logix, IncorporatedInventor: Kevin A. Shelby
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Patent number: 11030023Abstract: Embodiments of a multi-processor array are disclosed that may include a plurality of processors, local memories, configurable communication elements, and direct memory access (DMA) engines, and a DMA controller. Each processor may be coupled to one of the local memories, and the plurality of processors, local memories, and configurable communication elements may be coupled together in an interspersed arrangement. The DMA controller may be configured to control the operation of the plurality of DMA engines.Type: GrantFiled: July 25, 2016Date of Patent: June 8, 2021Assignee: Coherent Logix, IncorporatedInventors: Carl S. Dobbs, Michael R. Trocino, Keith M. Bindloss
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Patent number: 11023272Abstract: A multiprocessor system and method for swapping applications executing on the multiprocessor system are disclosed. The plurality of applications may include a first application and a plurality of other applications. The first application may be dynamically swapped with a second application. The swapping may be performed without stopping the plurality of other applications. The plurality of other applications may continue to execute during the swapping to perform a real-time operation and process real-time data. After the swapping, the plurality of other applications may continue to execute with the second application, and at least a subset of the plurality of other applications may communicate with the second application to perform the real time operation and process the real time data.Type: GrantFiled: May 10, 2018Date of Patent: June 1, 2021Assignee: Coherent Logix, IncorporatedInventors: Wilbur William Kaku, Michael Lyle Purnell, Geoffrey Neil Ellis, John Mark Beardslee, Zhong Qing Shang, Teng-I Wang, Stephen E. Lim
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Patent number: 11016779Abstract: Various embodiments are disclosed of a multiprocessor system with processing elements optimized for high performance and low power dissipation and an associated method of programming the processing elements. Each processing element may comprise a fetch unit and a plurality of address generator units and a plurality of pipelined datapaths. The fetch unit may be configured to receive a multi-part instruction, wherein the multi-part instruction includes a plurality of fields. A first address generator unit may be configured to perform an arithmetic operation dependent upon a first field of the plurality of fields. A second address generator unit may be configured to generate at least one address of a plurality of addresses, wherein each address is dependent upon a respective field of the plurality of fields. A parallel assembly language may be used to control the plurality of address generator units and the plurality of pipelined datapaths.Type: GrantFiled: August 13, 2019Date of Patent: May 25, 2021Assignee: Coherent Logix, IncorporatedInventors: Michael B. Doerr, Carl S. Dobbs, Michael B. Solka, Michael R. Trocino, Kenneth R. Faulkner, Keith M. Bindloss, Sumeer Arya, John Mark Beardslee, David A. Gibson
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Patent number: 10893085Abstract: A system and method for wirelessly transmitting audiovisual information. A first plurality of packets including audiovisual information may be generated. A second plurality of packets including error correction coding information for the audiovisual information may be generated. Control information for associating the error correction coding information with the audiovisual information may be generated, and a third plurality of packets including the control information may also be generated. The plurality of packets, including the first, second, and third pluralities of packets, may be transmitted to a mobile device in a wireless manner. The control information may inform the mobile device of the association of the first error correction coding information with the audiovisual information.Type: GrantFiled: September 4, 2019Date of Patent: January 12, 2021Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Peter J. Nysen, Michael B. Doerr
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Patent number: 10887879Abstract: Methods and devices are described for encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on downlink control information (DCI) blind detection. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a unique identifier associated with either the transmitter or the intended receiver. The scrambling masks may be used by the receiver to perform early termination of the decoding process, to mitigate intercell interference, and to verify that the receiver is the intended receiver.Type: GrantFiled: February 10, 2020Date of Patent: January 5, 2021Assignee: Coherent Logix, IncorporatedInventors: Kevin A. Shelby, Feng Liu
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Patent number: 10873754Abstract: Methods and devices are described for a parallel multi-processor encoder system for encoding video data, wherein the video data comprises a sequence of frames, wherein each frame comprises a plurality of blocks of pixels in sequential rows. For each frame, the system may divide the plurality of blocks into a plurality of subsets of blocks, wherein each subset of blocks is allocated to a respective processor of the parallel multi-processor system. Each respective processor of the parallel multi-processor system may sequentially encode rows of the subset of blocks allocated to the respective processor and sequentially transmit each encoded row of blocks as a bit stream to a decoder on a channel. For each row, the respective encoded row of blocks may be transmitted to the decoder for each processor prior to transmission of the next sequential respective encoded row of blocks for any processor. Additionally, a similar parallel multi-processor decoder system is described.Type: GrantFiled: December 11, 2018Date of Patent: December 22, 2020Assignee: Coherent Logix, IncorporatedInventors: Michael W. Bruns, Martin A. Hunt, Manjunath H. Siddaiah, John C. Sievers
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Patent number: 10848811Abstract: Control information for configuring an audiovisual device to present multimedia content according to a first service type may be generated. A method may include generating first control information for configuring an audiovisual device to decode a multimedia stream, generating first data that indicates a structure of the first control information, and transmitting the first data and the first control information. The first control information may be generated according to a first protocol version. Second data and second control information may be similarly generated and transmitted according to a second protocol version. Disclosed techniques may facilitate receiving devices to determine whether they support received wireless transmissions and decode the transmissions based on the control information.Type: GrantFiled: June 27, 2019Date of Patent: November 24, 2020Assignee: Coherent Logix, IncorporatedInventors: Colleen J. McGinn, Kevin A. Shelby, Peter J. Nysen, Michael B. Doerr
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Patent number: 10838787Abstract: Embodiments of a multi-processor array are disclosed that may include a plurality of processors and configurable communication elements coupled together in a interspersed arrangement. Each configurable communication element may include a local memory and a plurality of routing engines. The local memory may be coupled to a subset of the plurality of processors. Each routing engine may be configured to receive one or more messages from a plurality of sources, assign each received message to a given destination of a plurality of destinations dependent upon configuration information, and forward each message to assigned destination. The plurality of destinations may include the local memory, and routing engines included in a subset of the plurality of configurable communication elements.Type: GrantFiled: December 13, 2019Date of Patent: November 17, 2020Assignee: Coherent Logix, IncorporatedInventors: Carl S. Dobbs, Michael R. Trocino, Michael B. Solka