METHODS AND APPARATUS FOR A VECTOR MEMORY SUBSYSTEM FOR USE WITH A PROGRAMMABLE MIXED-RADIX DFT/IDFT PROCESSOR
Granted: April 8, 2021
Application Number:
20210103551
A vector memory subsystem for use with a programmable mix-radix vector processor (“PVP”) capable of calculating discrete Fourier transform (“DFT/IDFT”) values. In an exemplary embodiment, an apparatus includes a vector memory bank and a vector memory system (VMS) that generates input memory addresses that are used to store input data into the vector memory bank. The VMS also generates output memory addresses that are used to unload vector data from the memory banks. The input…
METHODS AND APPARATUS FOR DYNAMIC ACKNOWLEDGEMENT LIST SELECTION IN DETECTION OF UPLINK CONTROL CHANNEL FORMATS
Granted: April 1, 2021
Application Number:
20210099273
Methods and apparatus for dynamic acknowledgement list selection in detection of uplink control channel formats. In an exemplary embodiment, an apparatus includes a dynamic acknowledgement (ACK) list allocation circuit that generates a dynamic ACK list that includes one or two most likely ACK candidates, and a top-Q candidate CQI bits detector that dynamically allocates a detection branch to each of the one or two most likely ACK candidates to detect top-Q candidate CQI bits. The…
METHODS AND APPARATUS FOR JOB SCHEDULING IN A PROGRAMMABLE MIXED-RADIX DFT/IDFT PROCESSOR
Granted: April 1, 2021
Application Number:
20210097129
Methods and apparatus for job scheduling in a programmable mixed-radix DFT/IDFT processor. In an exemplary embodiment, a method includes receiving a plurality of discrete Fourier transform (DFT) jobs. Each job identifies a computation of a DFT of a particular point size. The method also includes bundling selected jobs having a selected point size into a mega-job, and identifying a radix factorization for the selected point size. The radix factorization includes one or more stages and…
METHODS AND APPARATUS FOR JOB SCHEDULING IN A PROGRAMMABLE MIXED-RADIX DFT/IDFT PROCESSOR
Granted: March 25, 2021
Application Number:
20210089609
Methods and apparatus for job scheduling in a programmable mixed-radix DFT/IDFT processor. In an exemplary embodiment, a method includes receiving a plurality of discrete Fourier transform (DFT) jobs. Each job identifies a computation of a DFT of a particular point size. The method also includes bundling selected jobs having a selected point size into a mega-job, and identifying a radix factorization for the selected point size. The radix factorization includes one or more stages and…
METHODS AND APPARATUS FOR FREQUENCY OFFSET ESTIMATION
Granted: July 2, 2020
Application Number:
20200213176
Methods and apparatus for frequency offset estimation are disclosed. In an exemplary embodiment, a method includes determining a demodulation reference signal (DMRS) frequency offset estimate from DMRS symbols in a received signal, and determining a cyclic prefix (CP) frequency offset estimate from cyclic prefix values in the received signal. The method also includes combining the DMRS and CP frequency offset estimates to determine a final frequency offset estimate. In an exemplary…
METHOD AND APPARATUS FOR PROVIDING A LOW LATENCY TRANSMISSION SYSTEM USING ADJUSTABLE BUFFERS
Granted: April 2, 2020
Application Number:
20200106822
One aspect of the present invention discloses a network system capable of transmitting and processing audio video (“A/V”) data with enhanced quality of service (“QoS”). The network system includes a transmitter, a transmission channel, an adjustable decoder buffer, and a decoder. The transmitter contains an encoder able to encode A/V data in accordance with encoding bit rate recommendation from SQoS and packets loss notifications. The transmission channel, in one example,…
Methods and Apparatus for Providing Soft and Blind Combining for PUSCH Acknowledgement (ACK) Processing
Granted: January 16, 2020
Application Number:
20200021417
Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected…
Methods and Apparatus for Control Channel Detection in An Uplink Shared Channel
Granted: January 2, 2020
Application Number:
20200008192
Methods and apparatus for channel detection in an uplink shared control channel. In an exemplary embodiment, a method includes generating soft-combined bit streams for an acknowledgement (ACK) indicator, rank indicator (RI), and channel quality indicator (CQI) received in an uplink shared channel. The method also includes decoding the ACK, RI, and CQI soft-combined bit streams to generate Top-M decoded bit streams for each indicator, and generating Top-Q symbols for each indicator from…
Methods and Apparatus for Twiddle Factor Generation for Use with A Programmable Mixed-Radix DFT/IDFT Processor
Granted: January 2, 2020
Application Number:
20200008033
Twiddle factor generation for use with a programmable mix-radix vector processor (“PVP”) capable of calculating discrete Fourier transform (“DFT/IDFT”) values. In an exemplary embodiment, an apparatus includes look-up table logic that receives twiddle control factors and outputs a selected twiddle factor scaler value (TFSV), a base vector generator that generates a base vector values based on the selected TFSV, and a twiddle column generator that generates a twiddle vector from…
Methods and Apparatus for Adaptive Power Profiling in A Baseband Processing System
Granted: December 5, 2019
Application Number:
20190369698
Methods and apparatus for adaptive power profiling in a baseband processing system. In an exemplary embodiment, an apparatus includes one or more processing engines. Each processing engine performs at least one data processing function. The apparatus also includes an adaptive power profile (APP) and a job manager that receives job requests for data processing. The job manager allocates the data processing associated with the job requests to the processing engines based on the adaptive…
Methods and Apparatus for Providing A Demapping System to Demap Uplink Transmissions
Granted: November 7, 2019
Application Number:
20190342875
Methods and apparatus for providing a demapping system to demap uplink transmissions. In an embodiment, a method is provided that includes detecting a processing type associated with a received uplink transmission, and when the detected processing type is a first processing type then performing the following operations: removing resource elements containing reference signals from the uplink transmission; layer demapping remaining resource elements of the uplink transmission into two or…
Methods and Apparatus for Symbol-to-Symbol Multiplexing of Control, Data, and Reference Signals on A 5G Uplink
Granted: November 7, 2019
Application Number:
20190342046
Methods and apparatus for symbol-to-symbol multiplexing of control, data, and reference signals on a 5G uplink. In one aspect, a job descriptor generator is configured to calculate mapping parameters for each symbol based on high level configuration parameters. A data/UCI multiplexing job engine, which is coupled to the job descriptor generator, provides symbol-based multiplexing and mapping which includes calculating reserved locations for PTRS and DMRS based on frequency-domain mapping…
METHODS AND APPARATUS FOR SUB-BLOCK BASED ARCHITECTURE OF CHOLESKY DECOMPOSITION AND CHANNEL WHITENING
Granted: November 7, 2019
Application Number:
20190342013
Methods and apparatus for sub-block based architecture of Cholesky decomposition and channel whitening. In an exemplary embodiment, an apparatus is provided that parallel processes sub-block matrices (R00, R10, and R11) of a covariance matrix (R) to determine a whitening coefficient matrix (W). The apparatus includes a first LDL coefficient calculator that calculates a first whitening matrix W00, lower triangle matrix L00, and diagonal matrix D00 from the sub-block matrix R00, a first…
METHODS AND APPARATUS FOR TWO-STAGE ACK/DTX DETECTION
Granted: October 31, 2019
Application Number:
20190335529
Methods and apparatus for two-stage ACK/DTX detection. In an embodiment, a method includes determining a first stage DTX value from bit-domain correlation values, and determining a second stage DTX value from symbol domain correlation values generated from candidate ACK bits. The method also includes determining a DTX decision based on the first stage DTX value and the second stage DTX value.
METHODS AND APPARATUS FOR DYNAMIC ACKNOWLEDGEMENT LIST SELECTION IN DETECTION OF UPLINK CONTROL CHANNEL FORMATS
Granted: October 31, 2019
Application Number:
20190334685
Methods and apparatus for dynamic acknowledgement list selection in detection of uplink control channel formats. In an exemplary embodiment, an apparatus includes a dynamic acknowledgement (ACK) list allocation circuit that generates a dynamic ACK list that includes one or two most likely ACK candidates, and a top-Q candidate CQI bits detector that dynamically allocates a detection branch to each of the one or two most likely ACK candidates to detect top-Q candidate CQI bits. The…
Methods and Apparatus for Frequency Offset Estimation
Granted: July 11, 2019
Application Number:
20190215218
Methods and apparatus for frequency offset estimation are disclosed. In an exemplary embodiment, a method includes determining a demodulation reference signal (DMRS) frequency offset estimate from DMRS symbols in a received signal, and determining a cyclic prefix (CP) frequency offset estimate from cyclic prefix values in the received signal. The method also includes combining the DMRS and CP frequency offset estimates to determine a final frequency offset estimate. In an exemplary…
Method and Apparatus for A Vector Memory Subsystem for Use with A Programmable Mixed-Radix DFT/IDFT Processor
Granted: June 6, 2019
Application Number:
20190171613
A vector memory subsystem for use with a programmable mix-radix vector processor (“PVP”) capable of calculating discrete Fourier transform (“DFT/IDFT”) values. In an exemplary embodiment, an apparatus includes a vector memory bank and a vector memory system (VMS) that generates input memory addresses that are used to store input data into the vector memory bank. The VMS also generates output memory addresses that are used to unload vector data from the memory banks. The input…
Methods And Apparatus For Simultaneous Multiprotocol Processing of Different Radio Standards Using A Common Pipeline
Granted: May 9, 2019
Application Number:
20190141725
Methods and apparatus for simultaneous multiprotocol processing of different radio standards using a common pipeline. In an exemplary embodiment an apparatus includes a plurality of wireless interfaces that transmit radio data symbols, a scheduler that outputs scheduled events that control transmission of the radio data symbols using any wireless interface type and any radio protocol, and an event processor that processes the transmission events to transport the radio data symbols to…
Methods and Apparatus for Control Channel Detection in an Uplink Shared Channel
Granted: March 28, 2019
Application Number:
20190098620
Methods and apparatus for channel detection in an uplink shared control channel. In an exemplary embodiment, a method includes generating soft-combined bit streams for an acknowledgement (ACK) indicator, rank indicator (RI), and channel quality indicator (CQI) received in an uplink shared channel. The method also includes decoding the ACK, RI, and CQI soft-combined bit streams to generate Top-M decoded bit streams for each indicator, and generating Top-Q symbols for each indicator from…
Method and Apparatus for Uplink Control Channel Detection
Granted: February 28, 2019
Application Number:
20190068349
Methods and apparatus for uplink control channel detection. In an exemplary embodiment, a method includes generating Top-Q Channel Quality Indicator (CQI) candidates from information received over an uplink control channel, generating a CQI symbol for each of the Top-Q CQI candidates, and generating a CQI energy metric from the CQI symbols. If the uplink control channel is formatted in format 2, then performing operations of combining the CQI energy metric with a pilot energy metric to…
