15 results about "Covering code" patented technology

Disclosed are methods, systems, and computer-readable medium to perform operations including: generating a mapping pattern that comprises a length-4 frequency division orthogonal cover code (FD-OCC4), the mapping pattern for mapping demodulation reference signals (DMRS) in frequency to a plurality of resource elements in at least one orthogonal frequency-division multiplexing (OFDM) symbol, wherein the DMRS are associated with a plurality of DMRS ports; mapping, using the FD-OCC4, the DMRS to the plurality of resource elements in the at least one OFDM symbol; and transmitting a transmission comprising the at least one OFDM symbol.

A UE that includes one or more non-transitory computer-readable media storing one or more computer-executable instructions for determining the number of coded modulation symbols for Uplink Control Information (UCI) in a Physical Uplink Shared Channel (PUSCH) transmission and at least one processor coupled to the non-transitory computer-readable media is provided. The processor is configured to execute the one or more instructions to cause the UE to determine that an Orthogonal Cover Code (OCC) is applied to the PUSCH transmission based on an indication received from a base station (BS) and determine the number of coded modulation symbols for the UCI based on the determination that the OCC is applied to the PUSCH transmission and a parameter received from the BS.

Devices, apparatus, and methods, including computer programs encoded on storage media, alter at least one of comb offset, cyclic shift and TD-OCC to randomize SRS interference at unintended receivers. A user equipment (UE, 102) receives (322), from a network entity, an SRS-randomization configuration specifying parameters and / or a hopping pattern enable applying at least one of: a comb offset hopping, a cyclic shift hopping, or a time-domain orthogonal cover code (TD-OCC) hopping. The UE generates (326) an SRS using one or more of the comb offset hopping, the cyclic shift hopping and the TD-OCC hopping based on the parameters and / or the hopping pattern. The UE transmits (328), to the network entity, the SRS.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration associated with an orthogonal cover code (OCC), wherein the configuration indicates a multiplexing order, an OCC codeword for multiplexing, and a type of OCC, and the type of OCC is one of: frequency domain OCC (FD-OCC), time domain OCC (TD-OCC), sub physical resource block (sub-PRB) OCC, or sub-slot OCC. The UE may apply, based at least in part on the configuration, the OCC to an uplink transmission. The UE may transmit the uplink transmission with the OCC applied based at least in part on the configuration. Numerous other aspects are described.

The application provides a unit test case automatic generation method and device based on preferred iteration feedback, which comprises the following steps: setting a target module identifier and a target code coverage rate of a test case to be generated; extracting source code of the target module and necessary reference code; encapsulating the source code of the target module, the necessary reference code, a project status, a requirement description and feedback information into a template prompt word, inputting the template prompt word into an AI model to generate a unit test case; performing iteration legality verification and / or correction on the generated unit test case until the unit test case passes the compilation; executing the test case that passes the compilation to obtain a current code coverage rate and un-covered code information; judging whether the code coverage rate of the unit test case that passes the compilation is greater than a cached historical highest coverage rate; and judging whether the code coverage rate of the highest coverage rate test case obtained is greater than the target code coverage rate. The application can efficiently generate a unit test case with high quality, high coverage rate and operability.

The present application provides a communication method and a related apparatus, and relates to the technical field of communications. The method comprises: sending first information, the first information being used for configuring a first sounding reference signal (SRS) port, the first SRS port corresponding to a first orthogonal cover code (OCC), the number of time domain units of the first OCC being N, and N being a positive integer; receiving a first SRS sent by means of the first SRS port; sending second information, the second information being used for instructing the OCC corresponding to the first SRS port to be switched to a second OCC, the number of time domain units of the second OCC being M, and M being a positive integer different from N; and receiving a second SRS sent by means of the first SRS port. In the embodiments of the present application, the OCC of the SRS port can be flexibly adjusted on the basis of actual situations, allowing for the low overall power consumption of a terminal device and the low overall SRS interference intensity of a network while SRS coverage is ensured.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling that indicates an orthogonal cover coding (OCC) codeword assigned to the UE and an OCC factor. The UE may receive an uplink grant that allocates, to the UE, uplink resources over a series of uplink time units for a quantity of repetitions of a transmission block. The UE may subsequently use the assigned OCC codeword to transmit each repetition of the quantity of repetitions of the transmission block over a quantity of uplink time units of the series of uplink time units, where a function of the quantity of uplink time units and the quantity of repetitions satisfies a threshold, and where the quantity of uplink time units is greater than or equal to the OCC factor.

The application discloses a DMRS transmission method, device and related equipment, and belongs to the communication technical field. The DMRS transmission method of the application embodiment comprises: a terminal sends or receives a demodulation reference signal (DMRS). The DMRS comprises X DMRS ports, the X DMRS ports are ports in N ports supported by the DMRS, the N ports comprise a first type port and a second type port, the first type port is mapped based on a frequency domain orthogonal cover code (FD-OCC) sequence with a length of 2, the second type port is mapped based on an FD-OCC sequence with a length of 4, and X and N are positive integers.

This application discloses a precise testing method, apparatus, device, and medium based on code change and test case mapping, relating to the field of software testing technology. The method includes: executing test cases and collecting their execution traces using code coverage tools, recording the signatures of all covered code methods and their coverage data; storing the mapping relationship between test case identifiers, code method signatures, and coverage; obtaining a list of changed files through a version control system when a code repository commits; performing method-level structural comparisons for each changed file; processing all changed files in parallel and merging them to obtain a final set of changed methods composed of affected method signatures; comparing the set of changed methods with an established test case-code method mapping database; retrieving all test cases covering any method in the set of changed methods, and generating a recommended test case list. Therefore, this application can achieve a regression testing scheme with high test quality and execution efficiency.

The utility model discloses a kind of butterfly cover double-sided coding devices, including rack, clamping conveying component being set on rack, limiting component, laser coding device and code reader;The laser coding device and the code reader are sequentially arranged along butterfly cover conveying direction, the laser coding device and the code reader are symmetrically provided with two groups, and are distributed on the upper and lower sides of butterfly cover coding part.This scheme's butterfly cover double-sided coding device is realized double-sided synchronous coding and data acquisition by symmetrically arranged laser coding device and code reader, saves traditional secondary coding and overturning procedure, greatly improves efficiency and avoids attitude deviation to affect precision.Clamping conveying component cooperates with limiting component, ensure that butterfly cover conveying is stable without deviation, improve coding qualified rate.Speed difference design avoids product overlapping interference, rejects component automatic accurate separation unqualified product, reduces artificial cost.

Methods, systems, and devices for wireless communications are described. A reference signal distribution scheme described herein may allow for the benefits of orthogonal cover codes, and improve mechanisms to identify and address resulting carrier frequency offset. Techniques are described for distributing reference signals (e.g., demodulation reference signals) over a set of resources. The reference signals may be arranged in equi-spaced clusters, where groups of the reference signals per cluster are spaced according to a first timing offset, and where each cluster may be spaced according to a second timing offset. The network may configure the reference signal distribution scheme at various user equipments, indicating values for the timing offset. The user equipments may transmit reference signals according to the indicated scheme.

The application discloses a demodulation reference signal information determination method, a demodulation reference signal information indication method and related equipment, and belongs to the technical field of communication. The demodulation reference signal information determination method comprises the following steps: a terminal receives first demodulation reference signal (DMRS) indication information sent by a network side device; the terminal determines DMRS information of a target DMRS based on the first DMRS indication information; wherein ports belonging to a same code division multiplexing (CDM) group in the target DMRS are mapped based on a frequency division orthogonal cover code (FD-OCC) sequence with a length of 4; the DMRS information comprises at least one of the following: the number of target CDM groups, the target CDM group being a CDM group corresponding to the target DMRS and not occupied by data; port information of the target DMRS; and the number of pre-symbols.

A preamble sequence mapping method and a terminal are provided. The method includes: determining, by a terminal according to a rule for sorting T second preamble sequences, a target index of a second preamble sequence. The T second preamble sequences are all or some of sequences obtained after the terminal performs code-division on M first preamble sequences by using Q Orthogonal Cover Codes (OCCs). The method further includes establishing, by the terminal based on the target index of the second preamble sequence, mapping to a Synchronization Signal and Physical Broadcast Channel block (SSB). Q is an integer greater than or equal to 1. M is an integer greater than or equal to 1. T is an integer greater than or equal to 2.

Various aspects of the present disclosure relate to techniques for data transmission using reference signal resources. A user equipment is configured to receive a downlink signal comprising reference-signal resources associated with a reference signal sequence, process, on at least a portion of the reference-signal resources, at least one information-bearing symbol that is spread using the reference signal sequence and an orthogonal cover code, and recover data based on the at least one information-bearing symbol associated with the reference signal sequence and the orthogonal cover code.

Provided are a communication method and a communication apparatus. The communication method comprises: acquiring a target orthogonal cover code, the target orthogonal cover code being obtained on the basis of a disabled orthogonal cover code; and sending data on the basis of the target orthogonal cover code, wherein if all elements corresponding to the disabled orthogonal cover code are 1, the target orthogonal cover code is the same as the disabled orthogonal cover code and the target orthogonal cover code does not vary with the transmission time of the data; or if the elements corresponding to the disabled orthogonal cover code are not all 1, the target orthogonal cover code varies with the transmission time of the data and elements corresponding to the target orthogonal cover code are not all 1. The communication method can reduce interference between terminals.