Techniques to increase antenna-to-antenna isolation suitable for enhanced MIMO performance
Granted: February 9, 2021
Patent Number:
10916841
Techniques for providing multi-antenna devices with increased antenna-to-antenna isolation as well as methods of operating and manufacturing the same are disclosed. A multi-antenna device may include a support structure, one or more radio devices coupled to a first antenna that is coupled to the support structure at a first location, a second antenna coupled to the support structure at a second location and communicatively coupled to the one or more radio devices, and a conductive…
Accelerated data transfer for latency reduction and real-time processing
Granted: February 9, 2021
Patent Number:
10916252
Systems and methods relying on recognition of a pattern in a data stream, such as detecting a hotword in an audio data stream are sensitive to latency (e.g., response time). To reduce power consumption, a low power processor may be used in combination with a higher power speech recognition device. When the hotword is detected by the low power signal processor, the primary speech recognition device is signaled to wake up and begin emptying a buffer storing the hotword and subsequent audio…
Coherent caching of data for high bandwidth scaling
Granted: February 9, 2021
Patent Number:
10915445
A method, computer readable medium, and system are disclosed for a distributed cache that provides multiple processing units with fast access to a portion of data, which is stored in local memory. The distributed cache is composed of multiple smaller caches, and each of the smaller caches is associated with at least one processing unit. In addition to a shared crossbar network through which data is transferred between processing units and the smaller caches, a dedicated connection is…
Method and apparatus for enabling map updates using a blockchain platform
Granted: February 9, 2021
Patent Number:
10915115
A semi-public blockchain maintained on one or more nodes in a map cloud platform comprises data for maintaining a global map of a predetermined geographic area. The blockchain also comprises a plurality of data records, where each data record is associated with an update to a global map. When a message associated with a map update to the global map is received, the nodes of the blockchain determine a consensus by evaluating the map update, where the evaluating comprises performing a…
Dynamic directional rounding
Granted: February 2, 2021
Patent Number:
10908878
A method, computer readable medium, and system are disclosed for rounding floating point values. Dynamic directional rounding is a rounding technique for floating point operations. A floating point operation (addition, subtraction, multiplication, etc.) is performed on an operand to compute a floating point result. A sign (positive or negative) of the operand is identified. In one embodiment, the sign determines a direction in which the floating point result is rounded (towards negative…
Parallel implementation of a dithering algorithm for high data rate display devices
Granted: February 2, 2021
Patent Number:
10909903
A display device includes a display controller that performs a high-throughput dithering operation. The display controller performs a quantization operation with pixel values generated by a graphics processor to generate quantized pixel values and residual error values. The display controller distributes the residual error values associated with a first group of quantized pixel values to a second group of quantized pixel values based on a set of distribution weights. A given distribution…
Techniques for representing and processing geometry within an expanded graphics processing pipeline
Granted: February 2, 2021
Patent Number:
10909739
In various embodiments, a parallel processor implements a graphics processing pipeline that generates rendered images. In operation, the parallel processor causes execution threads to execute a task shading program on an input mesh to generate a task shader output specifying a mesh shader count. The parallel processor then generates mesh shader identifiers, where the total number of the mesh shader identifiers equals the mesh shader count. For each mesh shader identifier, the parallel…
Real-time hardware-assisted GPU tuning using machine learning
Granted: February 2, 2021
Patent Number:
10909738
Graphics processing unit (GPU) performance and power efficiency is improved using machine learning to tune operating parameters based on performance monitor values and application information. Performance monitor values are processed using machine learning techniques to generate model parameters, which are used by a control unit within the GPU to provide real-time updates to the operating parameters. In one embodiment, a neural network processes the performance monitor values to generate…
Techniques for efficiently partitioning memory
Granted: February 2, 2021
Patent Number:
10909033
Techniques are disclosed for allocating a global memory space defined within physical memory devices into strided memory space(s) (SMS) and partition memory space(s) (PMS). In an embodiment, a SMS is mapped across all of the devices, and a PMS is mapped to a subset of the devices to ensure resource isolation between separate PMSs. Typically, a memory space is allocated in unit sizes. When the locations mapped to most of the SMS align to an integer number of the unit size, a common…
Securing against errors in an error correcting code (ECC) implemented in an automotive system
Granted: February 2, 2021
Patent Number:
10908995
In general, data is susceptible to errors caused by faults in hardware (i.e. permanent faults), such as faults in the functioning of memory and/or communication channels. To detect errors in data caused by hardware faults, the error correcting code (ECC) was introduced, which essentially provides a sort of redundancy to the data that can be used to validate that the data is free from errors caused by hardware faults. In some cases, the ECC can also be used to correct errors in the data…
Test system for executing built-in self-test in deployment for automotive applications
Granted: January 26, 2021
Patent Number:
10902933
In various examples, a test system is provided for executing built-in-self-test (BIST) according to JTAG and IEEE 1500 on chips deployed in-field. Hardware and software selectively connect onto the IEEE 1500 serial interface for running BIST while the chip is being used in deployment—such as in an autonomous vehicle. In addition to providing a mechanism to connect onto the serial interface, the hardware and software may reduce memory requirements and runtime associated with running the…
Scene embedding for visual navigation
Granted: January 26, 2021
Patent Number:
10902616
Navigation instructions are determined using visual data or other sensory information. Individual frames can be extracted from video data, captured from passes through an environment, to generate a sequence of image frames. The frames are processed using a feature extractor to generate frame-specific feature vectors. Image triplets are generated, including a representative image frame (or corresponding feature vector), a similar image frame adjacent in the sequence, and a disparate image…
Compensating for disparity variation when viewing captured multi video image streams
Granted: January 26, 2021
Patent Number:
10902556
The disclosure is directed to a method to compensate for visual distortion when viewing video image streams from a multiple camera capture of a scene where the method determines the disparity difference utilizing the user view orientation and then compresses and/or stretches the left and/or right eye video image streams to compensate for the visual distortion. In another aspect, the method describes additional adjustments and corrections to the video image streams including rotating,…
Systematic methodology to remove reflections from I/O measurements
Granted: January 26, 2021
Patent Number:
10901017
Embodiments of the present invention reconstruct a waveform at a receiver-end of a channel from an observed waveform physically measured at a probe point near the middle of the channel, where the channel is corrupted by reflections. The channel may be a memory channel of a high-speed I/O interface, for example. Equations to derive the waveform may be created using linear network analysis and/or signal processing, for example. S-parameters may be derived from simulated models representing…
Dynamically preventing audio underrun using machine learning
Granted: January 19, 2021
Patent Number:
10896021
The disclosure is directed to a process that can predict an audio glitch, and then attempt to preempt the audio glitch. The process can monitor the systems, processes, and execution threads on a larger system or device, such as a mobile device or an in-vehicle device. Using a learning algorithm, such as deep neural network (DNN), the information collected can generate a prediction of whether an audio glitch is likely to occur. An audio glitch can be an audio underrun condition. The…
Improving area light shadows in computer generated scenes
Granted: January 12, 2021
Patent Number:
10891783
Determining the occlusions or shadows for an area light within a scene is difficult, especially realistic shadowing in large and dynamic scenes. The disclosure provides an adaptive occlusion sampling process that uses voxel cone tracing to distribute the voxel tracing cones on the surface of area lights to obtain samples for shadowing in computer generated images or scenes. A method of adaptive occlusion sampling from a rectangular area light is disclosed that can be used to provide…
Automatic level-of-detail for physically-based materials
Granted: January 12, 2021
Patent Number:
10891775
A method, computer readable medium, and system are disclosed for implementing automatic level-of-detail for physically-based materials. The method includes the steps of identifying a declarative representation of a material to be rendered, creating a reduced complexity declarative representation of the material by applying one or more term rewriting rules to the declarative representation of the material, and returning the reduced complexity declarative representation of the material.
Sparse convolutional neural network accelerator
Granted: January 12, 2021
Patent Number:
10891538
A method, computer program product, and system perform computations using a processor. A first instruction including a first index vector operand and a second index vector operand is received and the first index vector operand is decoded to produce first coordinate sets for a first array, each first coordinate set including at least a first coordinate and a second coordinate of a position of a non-zero element in the first array. The second index vector operand is decoded to produce…
On-chip execution of in-system test utilizing a generalized test image
Granted: January 12, 2021
Patent Number:
10890620
Systems and methods enable the updating of tests, test sequences, fault models, and test conditions such as voltage and clock frequencies, over the life cycle of a safety critical application for complex integrated circuits and systems.
Generalized acceleration of matrix multiply accumulate operations
Granted: January 5, 2021
Patent Number:
10884734
A method, computer readable medium, and processor are disclosed for performing matrix multiply and accumulate (MMA) operations. The processor includes a datapath configured to execute the MMA operation to generate a plurality of elements of a result matrix at an output of the datapath. Each element of the result matrix is generated by calculating at least one dot product of corresponding pairs of vectors associated with matrix operands specified in an instruction for the MMA operation. A…
