Abstract: A display device is disclosed. The display device includes an array substrate and at least two driving units. The array substrate includes a peripheral region and a display region, the array substrate further includes a peripheral grounding line and a test line, wherein the peripheral grounding line is located in the peripheral region, and the test line is located in the peripheral region. The at least two driving units are located on at least one side of the array substrate, the driving unit includes at least two grounding pins, a grounding pin of at least one of the driving units is connected to the peripheral grounding line, and each of at least one grounding pin of one of two adjacent driving units is electrically connected to a corresponding grounding pin of the other adjacent driving unit.

Abstract: This application provides a precoding method and an apparatus for improving a power utilization of antennas. The method includes: determining a generalized inverse matrix Hm+ of a channel value matrix Hm of K users in an mth iteration in J iteration operations, where m=1, 2, . . . , and J, 1?J?M?K+1, and M is a quantity of antennas; selecting, from a set S1m-1 based on Hm+, an antenna index nm and an update coefficient ?m corresponding to nm, where S1m-1 is a set of n unselected in antenna indexes n of the M antennas until an (m?1)th iteration ends; determining a weight matrix Wm based on Hm+ and ?m; and assigning a row in Wm and corresponding to nm to a row in a final weight matrix Wopt and corresponding to nm, where Wopt is to adjust transmit powers of at least J of the M antennas to a preset maximum transmit power P after the J iteration operations end.

Abstract: A channel state information measurement method and apparatus and a network side device are described. The measurement method includes configuring, by a network side device, channel state information reference signal (CSI-RS) transmit information of M access points. The CSI-RS transmit information is used to indicate the M access points to periodically send a CSI-RS to a first user equipment at a preset interval. The preset interval is a time interval and/or a subband interval, and M is an integer greater than 1. The network side device obtains channel state information (CSI) corresponding to each of the M access points. The CSI corresponding to the access point includes first CSI, and the first CSI is information that is measured based on the CSI-RS corresponding to the access point and fed back by the first user equipment.

Abstract: Disclosed are various approaches for a controller that can generate and use non-stationary polar codes for encoding and decoding information. In one example, a method includes performing, by an encoder of the controller, a linear operation on at least one vector of information to be stored in a memory. The linear operation includes generating a polar encoded representation from the at least one vector of information. The linear operation also includes generating an output using at least one permutation that is based on a statistical characterization analysis of channels of the memory and a channel dependent permutation that is applied to the polar encoded representation. In some aspects, the statistical characterization analysis includes a respective reliability level of each one of the plurality of channels, and the channel dependent permutation includes an ordered permutation that orders the channels according to their respective reliability level.

Abstract: Processes and device configurations are provided for generating and using flexible storage codes. Methods and configurations described herein can reconstruct and recover data from a distributed network in the event of one or more failures or erasures. According to embodiments, a method includes determining the number of nodes and number of symbols of a flexible storage code, and reconstructing the information using the flexible storage code and determined numbers of nodes and symbols. The flexible storage code may be configured for a flexible number of nodes and symbols for information to use a subarray of symbols and nodes of a storage code array for information. Flexible storage codes may provide a framework for a reconstruction configuration using one or more of a flexible locally recoverable code (LRC), flexible partial maximum distance separable code (PMDSC), and flexible minimum storage regenerating code (MSRC).

Abstract: The invention discloses a data structure-aware prefetching method and device on a graphics processing unit. The method comprises the steps of acquiring information for a memory access request in which a monitoring processor checks a graph data structure and read data, using a data structure access mode defined by a breadth first search and graph data structure information to generate four corresponding vector prefetching requests and store into a prefetching request queue. The device comprises a data prefetching unit distributed into each processing unit, each data prefetching unit is respectively connected with an memory access monitor, a response FIFO and a primary cache of a load/store unit, and comprises an address space classifier, a runtime information table, prefetching request generation units and the prefetching request queue.

Abstract: A heating appliance, such as a microwave oven, includes a housing having interior walls with interior surfaces defining a cooking chamber for heating food. The heating appliance also includes a camera positioned within the housing to capture images of food in the chamber, and a shield positioned between the camera and the food. The shield has a body with a first surface facing an area for receiving food within the chamber and a second opposite surface facing the camera. The shield includes a first transparent conductive metal coating on one or both of the first surface and the second surface, such that the shield dissipates heat and reflects microwave radiation to protect the camera.

Abstract: This application provides a precoding method and an apparatus for improving a power utilization of antennas. The method includes: determining a generalized inverse matrix Hm+ of a channel value matrix Hm of K users in an mth iteration in J iteration operations, where m=1, 2, . . . , and J, 1?J?M?K+1, and M is a quantity of antennas; selecting, from a set S1m-1 based on Hm+, an antenna index nm and an update coefficient ?m corresponding to nm, where S1m-1 is a set of n unselected in antenna indexes n of the M antennas until an (m?1)th iteration ends; determining a weight matrix Wm based on Hm+ and ?m; and assigning a row in Wm and corresponding to nm to a row in a final weight matrix Wopt and corresponding to nm, where Wopt is to adjust transmit powers of at least J of the M antennas to a preset maximum transmit power P after the J iteration operations end.

Abstract: Methods and devices are provided for error correction of distributed data in distributed systems using Reed-Solomon codes. In one embodiment, processes are provided for error correction that include receiving a first correction code for data fragments stored in storage nodes, constructing a second correction code responsive to an unavailable storage node of the storage nodes, performing erasure repair of the unavailable storage node, and outputting a corrected data fragment. The first correction code is a Reed-Solomon code represented as a polynomial and the second correction code is represented as a second polynomial with an increased subpacketization size. Processes are configured to account for repair bandwidth and sub-packetization size. Code constructions and repair schemes accommodate different sizes of evaluation points and provide a flexible tradeoff between the subpacketization size repair bandwidth of codes.

Abstract: A channel state information measurement method and apparatus and a network side device are described. The measurement method includes configuring, by a network side device, channel state information reference signal (CSI-RS) transmit information of M access points. The CSI-RS transmit information is used to indicate the M access points to periodically send a CSI-RS to a first user equipment at a preset interval. The preset interval is a time interval and/or a subband interval, and M is an integer greater than 1. The network side device obtains channel state information (CSI) corresponding to each of the M access points. The CSI corresponding to the access point includes first CSI, and the first CSI is information that is measured based on the CSI-RS corresponding to the access point and fed back by the first user equipment.

Abstract: A magnetic material having dual properties and a manufacturing method thereof are disclosed. The magnetic material having dual properties consists of: 5% to 88% of a permanent magnetic material, 5% to 88% of a soft magnetic material, 6% to 16% of a binder, and 1% to 10% of an auxiliary agent. The magnetic material having dual properties manufactured by mixing two phases without microscopic intergranular exchange coupling interaction has unexpected effects: the range of a magnetically attracted object is expanded to include a magnet having dual properties; the range of a magnetically attractive object is expanded to include a magnet having dual properties; the minimum value of the magnetic attraction force is increased, the magnetic attraction force is more uniform, and it is smoother to move and rotate an object. The effect obtained by two layers of the soft magnet and the permanent magnet can be realized by a single layer structure of the magnet having dual properties.

Abstract: Disclosed are various approaches for a controller that can generate and use non-stationary polar codes for encoding and decoding information. In one example, a method includes performing, by an encoder of the controller, a linear operation on at least one vector of information to be stored in a memory. The linear operation includes generating a polar encoded representation from the at least one vector of information. The linear operation also includes generating an output using at least one permutation that is based on a statistical characterization analysis of channels of the memory and a channel dependent permutation that is applied to the polar encoded representation. In some aspects, the statistical characterization analysis includes a respective reliability level of each one of the plurality of channels, and the channel dependent permutation includes an ordered permutation that orders the channels according to their respective reliability level.

Abstract: Methods and devices are provided for error correction of distributed data in distributed systems using Reed-Solomon codes. In one embodiment, processes are provided for error correction that include receiving a first correction code for data fragments stored in storage nodes, constructing a second correction code responsive to an unavailable storage node of the storage nodes, performing erasure repair of the unavailable storage node, and outputting a corrected data fragment. The first correction code is a Reed-Solomon code represented as a polynomial and the second correction code is represented as a second polynomial with an increased subpacketization size. Processes are configured to account for repair bandwidth and sub-packetization size. Code constructions and repair schemes accommodate different sizes of evaluation points and provide a flexible tradeoff between the subpacketization size repair bandwidth of codes.

Abstract: The invention discloses a data structure-aware prefetching method and device on a graphics processing unit. The method comprises the steps of acquiring information for a memory access request in which a monitoring processor checks a graph data structure and read data, using a data structure access mode defined by a breadth first search and graph data structure information to generate four corresponding vector prefetching requests and store into a prefetching request queue. The device comprises a data prefetching unit distributed into each processing unit, each data prefetching unit is respectively connected with an memory access monitor, a response FIFO and a primary cache of a load/store unit, and comprises an address space classifier, a runtime information table, prefetching request generation units and the prefetching request queue.

Abstract: This application discloses a downlink channel reconstruction method and apparatus. In one embodiment, the method includes: sending, by a base station, multiple different weighted pilot signals to a terminal, where each of the weighted pilot signals includes a product of a pilot signal and a weighting matrix; receiving, by the base station, multiple different optimal code words returned by the terminal, where each of the optimal code words is obtained based on a channel estimation of a weighted pilot signal; and reconstructing, by the base station, a downlink channel according to the multiple different optimal code words. According to the foregoing method, a quantization error can be reduced, so that a beam direction of a reconstructed channel correctly points to the terminal.

Abstract: An amphoteric magnetic material and a manufacturing method thereof are disclosed. The amphoteric magnetic material consists of: 5% to 88% of a permanent magnetic material, 5% to 88% of a soft magnetic material, 6% to 16% of a binder, and 1% to 10% of an auxiliary agent. The amphoteric magnet manufactured by mixing two phases without microscopic intergranular exchange coupling interaction has unexpected effects: the range of a magnetically attracted object is expanded to include an amphoteric magnet; the range of a magnetically attractive object is expanded to include an amphoteric magnet; the minimum value of the magnetic attraction force is increased, the magnetic attraction force is more uniform, and it is smoother to move and rotate an object. The effect obtained by two layers of the soft magnet and the permanent magnet can be realized by a single layer structure of the amphoteric magnet.

Abstract: A magnetic paper product capable of being printed directly and the preparation method thereof are provided. The product has the unique feature, consisting of a friction-holding covering thin layer, on which sequentially set with a magnetic layer and a printable layer. The friction-holding covering thin layer is a nonwoven fabric called cotton paper (mianzhi) in Chinese. It can achieve the effect of printing magnetic paper after being magnetized, eliminating the trouble that the terminal user has to magnetize the paper after printing, improving the grade of inflexibility of the magnetic paper, reflection of the light and the flatness of the printing surface, solving the problem which has been a plague of the magnetic paper industry and the printing industry for long time.

Abstract: This application discloses a downlink channel reconstruction method and apparatus. In one embodiment, the method includes: sending, by a base station, multiple different weighted pilot signals to a terminal, where each of the weighted pilot signals includes a product of a pilot signal and a weighting matrix; receiving, by the base station, multiple different optimal code words returned by the terminal, where each of the optimal code words is obtained based on a channel estimation of a weighted pilot signal; and reconstructing, by the base station, a downlink channel according to the multiple different optimal code words. According to the foregoing method, a quantization error can be reduced, so that a beam direction of a reconstructed channel correctly points to the terminal.

Abstract: A memory device having a plurality of cells, each of which stores a value, where the values of the cells are mapped to discrete levels and the discrete levels represent data, is programmed by determining a maximum number of cell levels in the memory device, and determining the set of values that are associated with each of the cell levels. The maximum number of cell levels for the memory device is determined by an adaptive programming system connected to the memory device, based on a plurality of cell values attained by at least one cell of the memory device, in response to voltage applied by the adaptive programming system to the cells of the memory device. The adaptive programming system associates, for each of the cell levels, a different set of cell values of the plurality of cell values attained by the cells to which voltage is applied.

Abstract: MDS (maximum distance separable) array codes are widely used in storage systems to protect data against erasures. The rebuilding ratio problem is addressed and efficient parity codes are proposed. A controller as disclosed is configured for receiving configuration data at the controller that indicates operating features of the array and determining a parity code for operation of the array according to a permutation, wherein the configuration data specifies the array as comprising nodes defined by A=(ai,j) with size rm×k for some integers k,m, and wherein for T={v0 , . . . , Vk-1} ?Zrm a subset of vectors of size k, where for each v=(v1, . . . , vm)?T, gcd (v1, . . . , vm, r), where gcd is the greatest common divisor, such that for any l, 0?l?r?1, and v ?T, the code values are determined by the permutation fvl:[0,rm?1]?[0,rm?1]by fvl(x)=x+lv.