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4757 results about "Random access" patented technology

In computer science, random access (more precisely and more generally called direct access) is the ability to access an arbitrary element of a sequence in equal time or any datum from a population of addressable elements roughly as easily and efficiently as any other, no matter how many elements may be in the set. It is typically contrasted to sequential access.

Device and method for accessing network in wireless communication system

The present disclosure relates to a communication technique which combines a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4G system with an internet of things (IoT) technique and a system thereof. The present disclosure may be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or a connected car, health care, digital education, retail business, security and safety related services, etc.) based on 5G communication technology and IoT related technology. According to various embodiments of the present disclosure, in a wireless communication system, a terminal may include at least one transceiver and at least one processor coupled with the at least one transceiver, the at least one processor may be configured to receive system information from a cell of a base station, determine whether the cell supports new radio (NR) lite, based on the system information, and if the cell supports the NR lite, perform a random access procedure for the cell, and for the terminal performing the NR lite, at least one of a subcarrier spacing (SCS), a transport block (TB) size, or a bandwidth part (BWP) is reduced to a designated value, compared to other terminal not performing the NR lite.
Owner:SAMSUNG ELECTRONICS CO LTD

Time Alignment of Layer 1 / Layer 2 Triggered Mobility

A wireless device receives, from a base station, a radio resource control (RRC) reconfiguration message comprising a layer 1 / layer 2 triggered mobility (LTM) configuration. The LTM configuration comprises an LTM candidate configuration of a candidate cell and a value of a time alignment timer for determining whether a timing advance (TA) value of the candidate cell is valid. The wireless device receives, from the base station, a downlink control information (DCI) indicating the candidate cell and to transmit a random access preamble for acquiring the TA value of the candidate cell. Based on the DCI, the wireless device transmits, via the candidate cell, the random access preamble for acquiring the TA value of the candidate cell. The wireless device receives, from the base station, a medium access control (MAC) control element (CE) indicating an identifier of the LTM candidate configuration of the candidate cell and the TA value.
Owner:OFINNO LLC

Method and system for converting natural language to SQL based on RAG enhancement

The invention discloses a natural language-to-SQL (Structured Query Language) method and system based on RAG (Random Access Gateway) enhancement, and the method comprises the steps: constructing a query intention graph through dependency syntax analysis, recognizing and complementing semantic missing components, and forming complete semantic representation; vector representation is carried out on the business term segments by adopting vectorization coding, accurate definitions of business terms are obtained from a factory structured knowledge base, and an enhanced context set is formed through expansion retrieval in a low-confidence region; an SQL template mapping network is established based on historical query records, a mapping relation matrix is generated through field candidate matching, mapping conflict positions are identified, and multiple SQL candidate sequences are generated; grammar verification is carried out on the candidate sequence to identify grammar errors, semantic consistency verification is carried out to calculate the intention alignment degree, and an optimal SQL statement is selected through a deviation correction factor; and performing formatting processing and statistical abstract on an execution result, and providing data query capability for scenes such as factory quality management and equipment maintenance.
Owner:WUXI XINSOFT INTELLIGENT CONTROL SYST CO LTD

Methods for SBFD-specific prach mask index indication

A method performed by a WTRU may include receiving a random access channel (RACH) configuration indicating a plurality of RACH occasions. The RACH occasions within respective subsets are frequency division multiplexed. The method includes receiving configuration information indicating at least one transmit power threshold and information indicating resources associated with a mode of operation, and receiving criteria for selecting a RACH occasion that defines a group of RACH occasions from at least one subset that overlap with at least one uplink subband. The method includes sending a preamble transmission using a calculated transmit power in a selected RACH occasion, wherein, on a condition the calculated transmit power exceeds the transmit power threshold, the selected RACH occasion is selected from the defined group of the plurality of RACH occasions that overlap with the at least one uplink subband.
Owner:INTERDIGITAL PATENT HOLDINGS INC

Communication method and apparatus

A terminal receives a reference signal from an access network device. The terminal determines, based on a received power of the reference signal and a first set, a quantity of repetition times of sending a random access preamble by the terminal, where the first set is a set of quantities of times of repeatedly sending the random access preamble by the terminal, and the first set includes at least one or more of the following elements: an integer multiple of 3, an integer multiple of 5, or an integer multiple of 7. The terminal repeatedly sends the random access preamble to the access network device on a random access occasion RO based on the quantity of repetition times.
Owner:HUAWEI TECH CO LTD

Random access method and apparatus, terminal, network device, and medium

A random access method and apparatus, a terminal, a network device, and a medium, are provided. The random access method includes: executing, by a terminal, random access in a random access mode, where the random access mode is used for determining resources used by a target transmission, and the target transmission includes at least one of the following: a Physical Random Access CHannel (PRACH) transmission corresponding to the random access or a target uplink transmission during a process of the random access.
Owner:VIVO MOBILE COMM CO LTD

Mapping table management method and storage device

The invention belongs to the field of memory control, and provides a mapping table management method and a storage device.The method comprises the steps that a write-in instruction from a host system is received; judging an access mode of the write-in instruction according to an access feature of a logic address corresponding to the write-in instruction; if the access mode of the write-in instruction is judged to be a continuous access mode, updating a mapping relation from a logic address to a physical address corresponding to the write-in instruction to a main mapping table; and if it is judged that the access mode of the write-in instruction is a random access mode, recording and managing a mapping relation from a logic address to a physical address corresponding to the write-in instruction through a temporary mapping table arranged in a buffer memory, and delaying updating of a main mapping table. Therefore, the random write-in performance of the storage device is improved, and the service life is prolonged.
Owner:SHENZHEN XINGHUO SEMICON TECH CO LTD

Terminal, radio communication method, and base station

A terminal according to an aspect of the present disclosure includes a receiving section that receives information related to first random access procedure including a repetition of a message 1, and a control section that, based on the information, uses, for the first random access procedure, a first random access resource and uses, for second random access procedure not including the repetition of the message 1, a second random access resource different from the first random access resource. According to an aspect of the present disclosure, it is possible to enhance coverage in random access procedure.
Owner:NTT DOCOMO INC

Neural network using dynamically compressed and decompressed weights

A method for training or performing inference using a neural network involves performing per-layer decompression and compression of neural network weights. More particularly, compressed weights are retrieved for a particular layer of the neural network. The weights correspond to neurons in the layer. The compressed weights are decompressed, and input data for that layer is subsequently processed using the decompressed weights. This dynamic decompression and recompression of weights allows memory, and in particular random access memory of graphical processing units, to be efficiently used.
Owner:ROYAL BANK OF CANADA

Method and apparatus for performing random access procedure with preamble repetition in wireless communication system

The present disclosure relates to a wireless communication system and particularly to a method and an apparatus therefor, the method comprising the steps of: transmitting an RA preamble on one RO among a plurality of ROs, wherein, on ROs in a first RO group among a plurality of RO groups, a plurality of RA preambles having the same index are transmitted; receiving, on the basis of having transmitted the plurality of RA preambles, RAR by monitoring a plurality of PDCCH search spaces linked to the first RO group; and transmitting an uplink signal corresponding to the RAR, wherein a time resource of each PDCCH search space linked to the first RO group is linked to each RO of the first RO group.
Owner:LG ELECTRONICS INC

System and method for maintaining multicast broadcast service continuity in idle and inactive states

A system, method and apparatus for mobile communications are provided. A user equipment (UE) in a radio resource control state receives a broadcast message that includes measurement configuration parameters. The UE determines, based on the measurement configuration parameters, a service continuity trigger for one or more multicast broadcast services (MBS) services. Responsive to the determined service continuity trigger, a random access process (RAP) is initiated, wherein initiating the RAP includes transmitting a first message indicating a request for MBS configuration parameters associated with the one or more MBS services. The UE receives the one or more MBS configuration parameters in response to transmitting the first message. The UE then receives data associated with the one or more MBS services via the target cell based on the MBS configuration parameters and while remaining in the RRC state.
Owner:TOYOTA JIDOSHA KK

Method and apparatus for handling master cell group failure in wireless communication system

The present disclosure relates to handling a master cell group (MCG) failure in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving, from a source primary cell (PCell), a conditional mobility command including a mobility condition for a target PCell; starting a timer for a master cell group (MCG) failure recovery and transmitting MCG failure information related to the MCG failure recovery to a primary secondary cell (PSCell), based on detecting a radio link failure (RLF) on the source PCell; and based on that the mobility condition for the target PCell is satisfied while the timer is running: transmitting, to the PSCell, a new PCell indication informing a mobility from the source PCell to the target PCell; and performing a random access to the target PCell for the mobility.
Owner:LG ELECTRONICS INC

Satellite communication method and apparatus

A satellite communication method and an apparatus. A network device sends a broadcast message, and correspondingly, a terminal device receives the broadcast message, The broadcast message includes information is usable to indicate a number x of repetitions, and x is a positive integer. Then, the terminal device sends a feedback message for a downlink message in a random access procedure based on the terminal device, where a number y of repetitions for sending the feedback message is determined based on x, and y is a positive integer.
Owner:HUAWEI TECH CO LTD

Adaptive Random Access System with Learned Query Optimization for Compacted Data Files

An adaptive random access system and method with learned query optimization for compacted data files that enhances random access performance through machine learning and pattern recognition. The system incorporates a query pattern learning module that analyzes historical access patterns and user behavior to build statistical models of data usage. An adaptive estimator module improves location estimation accuracy by incorporating learned patterns rather than relying solely on mathematical calculations. A predictive boundary detector uses learned codeword patterns to more accurately identify boundaries in compacted data, reducing misalignment errors. An intelligent search engine coordinates optimization strategies including context-aware search string parsing and encoding strategy selection based on learned performance data. A dynamic codebook optimizer reorganizes sourceblock layout based on access frequencies and co-occurrence patterns to improve retrieval speed. An enhanced search cache implements predictive caching algorithms that anticipate user queries and proactively load relevant data.
Owner:ATOMBEAM TECH INC

Wireless communication method, terminal device, and network device

The present application provides a wireless communication method, a terminal device, and a network device. The wireless communication method includes: executing, by a terminal device, random access by using first information, where the first information is related to a first uplink subband, or the first information is related to a first terminal.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Cache space control method of storage system, electronic equipment and storage medium

The invention discloses a cache space control method of a storage system, electronic equipment and a storage medium, and relates to the technical field of data caching, and the method comprises the steps of identifying dirty data, comparing the size relation between the hit rate of cached data in a cache space and a first hit rate threshold value and a second hit rate threshold value, and when the hit rate is greater than the first hit rate threshold value, controlling the cache space of the storage system. When the hit rate is smaller than a first hit rate threshold value, executing an expansion instruction to control the cache module to expand a cache space, and when the hit rate is smaller than a second hit rate threshold value, controlling the cache module to brush dirty data down to a rear-end memory, executing a reduction instruction to control the cache module to reduce the cache space, and performing a cache hit rate judgment mechanism and a linkage telescopic cache mechanism in a full random access scene. The problems of performance reduction, high delay of data access, high power consumption and the like of the cache system due to the fact that the cache space is fixed and cannot adapt to different application scenes and changes of data loads in the prior art are solved, performance self-adaption of the IO model is achieved, the response speed is increased, and the performance of the cache system in multiple storage scenes is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Terminal and communication method

A terminal according to an aspect of the present disclosure includes: a control section that makes determination of repetition of a random access channel assuming that the repetition of the random access channel is necessary when a condition is met; and a transmission section that performs, upon the determination, the repetition of the random access channel to a base station in accordance with a configuration on the repetition of the random access channel from the base station.
Owner:NTT DOCOMO INC

Programmable in-memory computing accelerator for low-precision deep neural network inference

A programmable in-memory computing (IMC) accelerator for low-precision deep neural network inference, also referred to as PIMCA, is provided. Embodiments of the PIMCA integrate a large number of capacitive-coupling-based IMC static random-access memory (SRAM) macros and demonstrate large-scale integration of IMC SRAM macros. For example, a 28 nm prototype integrates 108 capacitive-coupling-based IMC SRAM macros of a total size of 3.4 megabytes (Mb), demonstrating one of the largest IMC hardware to date. In addition, a custom instruction set architecture (ISA) is developed featuring IMC and single-instruction-multiple-data (SIMD) functional units with hardware loop to support a range of deep neural network (DNN) layer types. The 28 nm prototype chip achieves a peak throughput of 4.9 tera operations per second (TOPS) and system-level peak energy-efficiency of 437 TOPS per watt (TOPS / W) at 40 megahertz (MHz) with a 1 volt (V) supply.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK +1

Uplink Transmissions with Multiple Beams

A method can include transmitting, by a wireless device and for a beam failure recovery (BFR) of a cell, a random access preamble with multiple spatial filters. The method can also include receiving a message corresponding to the random access preamble. The message indicates a spatial filter of the multiple spatial filters. The method can further include transmitting, after a number of symbols from completion of the BFR, an uplink signal with the spatial filter indicated by the message.
Owner:OFINNO LLC

Static random-access memory (SRAM) device and related SRAM-based compute-in-memory devices

An SRAM cell includes a first inverter cross-coupled to a second inverter. The first inverter includes a first pull-up transistor and a first pull-down transistor, having coupled drains that define a first storage node. The SRAM cell further includes a first N-type pass-gate transistor having a first drain coupled to a write bit line, a first source coupled to the first storage node, and a first gate coupled to a first write word line. The SRAM cell further includes a first P-type pass-gate transistor having a second drain coupled to the write bit line and a second source coupled to the first storage node. The SRAM cell further includes a P-type transistor having a third drain, coupled to a second gate of the first P-type pass-gate transistor, a third source coupled to a second write word line, and a third gate coupled to an enable signal.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Wireless communication methods for random access channels, apparatus, and computer-readable medium

A wireless communication method includes receiving RA (Random Access) request preambles in one or more ROs (PRACH occasions) associated with a same SSB or associated with different SSBs, and transmitting corresponding one or more RA responses in response to the RA request preambles received by a BS.
Owner:ZTE CORP

Efficient buffer status reporting over 2-step RA

Buffer Status Reports (BSR), by which the network is made aware of uplink transmission needs of wirless devices, are specifically enabled to be transmitted using 2-step Random Access (RA), to reduce latency and network resource use. In one embodiment, 2-step RA configurations tailored to BSR-transmissions are introduced. These may, for example, use a subset of the configured resources in the configured 2-step RA resources for BSR. In another embodiment, conditions for triggering BSR over 2-step RA, depending on the traffic, are introduced. For example, the priority or the the delay budget of the traffic may be used to determine whether a BSR over 2-step RA should be triggered. In another embodiment, simplified procedures when receiving the response to MsgA are introduced. These may include, for example, not transmitting a full MsgB, but rather having the UE receive an UL grant.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Bit stream structure for compressed point cloud data

A system comprises an encoder configured to compress attribute information and / or spatial information for a point cloud and / or a decoder configured to decompress compressed attribute and / or spatial information for the point cloud. To compress the attribute and / or spatial information, the encoder is configured to convert a point cloud into an image based representation. Also, the decoder is configured to generate a decompressed point cloud based on an image based representation of a point cloud. In some embodiments, a bit stream structure may be used to communicate compressed point cloud data. The bit stream structure may include point cloud compression network abstraction layer (PCCNAL) units that enable use of groups of frames (GOFs), frame, and sub-frame signaling of patch information. Such a bit stream structure may permit low delay streaming and random access reconstruction of point clouds amongst other applications.
Owner:APPLE INC

Processing method, communication device, and storage medium

A processing method includes: performing, via a terminal device, a first preset processing in response to sending a random access preamble, and determining whether a preset process is completed according to a preset strategy. Through the technical solution of the present application, the terminal device and / or the network device can determine whether random access is completed in the target cell, so as to perform further processing, such as having a corresponding processing flow after determining that the random access is not completed.
Owner:SHENZHEN TRANSSION HLDG CO LTD

Terminal, base station and radio communication method

According to one aspect of the present disclosure, there is provided a terminal including a control unit that determines a Modulation and Coding Scheme (MCS) and a number of repetitions from an MCS field in an uplink grant for repetitive transmissions of an uplink data channel for retransmission in a random access procedure, and a transmission unit that repeatedly transmits the uplink data channel for retransmission in the random access procedure in accordance with the MCS and the number of repetitions.
Owner:NTT DOCOMO INC

Indication method, device and system, storage medium and program product

The invention relates to an indication method, device and system, a storage medium and a program product. The method comprises the following steps: sending a first message for random access to second equipment; and receiving a second message sent by a second device, the second message comprising first indication information, and the first indication information being used for indicating the type corresponding to the second message. In the method, when the first device accesses the second device, the type can be known based on the first indication information in the second message, so that the first device can perform reasonable service processing based on the type corresponding to the second message, and the communication performance is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Random access response generation method, program product, electronic equipment and storage medium

The invention provides a random access response generation method, a program product, electronic equipment and a storage medium, and is applied to the technical field of communication, and the random access response generation method comprises the steps that after a random access preamble sent by a terminal is detected, a random access response is generated, the random access response carries a timing advance field, and the timing advance field is sent to the terminal; the value of the timing advance field is configured as follows: a first part in a preset value range represents a positive timing advance, and a second part in the preset value range represents a negative timing advance; and sending the random access response to the terminal. According to the scheme, the timing advance field value in the random access response is divided into the first part representing the positive timing advance and the second part representing the negative timing advance, so that the base station can transmit the timing adjustment information with relatively high accuracy to the terminal according to the actual arrival condition of the random access preamble, and the user experience is improved. Therefore, the accuracy of the detected leading TA is improved.
Owner:SICHUAN CHUANGZHI LIANHENG TECH CO LTD

Method and apparatus for determining a RACH resource type in subband full-duplex communication

Provided are a method and apparatus for determining a random access channel (RACH) resource type in subband full duplex (SBFD) of a wireless communication system. The method of the terminal may include receiving information on a maximum number of preamble transmissions through a subband full duplex (SBFD) symbol, transmitting at least one first preamble through a first random access channel (RACH) resource, and determining a second RACH resource configured on a non-SBFD symbol when a number of transmissions of the at least one first preamble exceeds the maximum number of preamble transmissions through the SBFD symbol.
Owner:KT CORP

Idle / inactive mobility for small data transmission

A WTRU operating in an inactive state may be associated with a first cell. The WTRU may be configured to receive configuration information for a time period associated with small data transmission failure detection and a search space associated with small data transmission. The WTRU may be configured to send a first small data transmission and start the time period. The WTRU may be configured to monitor for a downlink transmission in the search space during the time period. If a condition for cell reselection is satisfied during the time period or the restarted time period, the WTRU may be configured to suspend a data radio bearer (DRB) associated with small data transmission, select a second cell, perform a random access procedure associated with the second cell, and send a small data transmission. The random access procedure may include sending a request to resume a radio resource control (RRC) connection.
Owner:INTERDIGITAL PATENT HOLDINGS INC

Beam Failure Recovery Procedures Using Bandwidth Parts

Systems, apparatuses, and methods are described for wireless communications. A wireless device may initiate a beam failure recovery (BFR) procedure using a bandwidth part (BWP) on a secondary cell. Based on initiating a random access procedure for the BFR procedure and / or based on unsuccessfully completing the BFR procedure, the wireless device may perform one or more operations to prevent and / or reduce misalignment between the wireless device and a base station.
Owner:COMCAST CABLE COMM LLC