48results about How to "Improve uplink transmission performance" patented technology

The invention discloses a method and system for improving the LAA uplink transmission performance. The method comprises the steps: transmitting an uplink scheduling request and a caching state report to a base station when a user terminal carries out the uplink transmission; enabling the base station to select a corresponding unauthorized carrier according to the caching state report transmitted by the user terminal, all current carrier load conditions and unauthorized carrier interference conditions, transmitting an uplink scheduling authorization UL grant message to the user terminal, wherein the UL grant message comprises unauthorized carrier indication information used by the uplink transmission of the user terminal, and uplink transmission resource distribution information; carrying out the spare channel assessment of the unauthorized carrier indicated by the UL grant message after the user terminal receives the UL grant message; enabling the user terminal to carry out the uplink transmission on the uplink transmission resource of an unauthorized carrier indicated by the UL grant message at a specific moment if the unauthorized carrier channel indicated by the UL grant message is spare and available. The method improves the uplink access probability of the terminal, reduces the CCA detection conflict among the terminals of a local cell, and makes the most of uplink scheduling resources.

The invention pertains in general to the testing of the operation of radio and other data transmission apparatus. In particular the invention pertains to the testing of the operation of a digital radio apparatus on the basis of error statistics. In order to test functions relating to data transmission, a simulation system produces a pseudorandom bit sequence or some other test sequence which is packed into downlink frames and sent to the data transmission apparatus tested. In accordance with the invention, a known number of errors are generated in the test sequence. As the data transmission apparatus tested compares the received test sequence to the sequence it has produced, it detects the errors in the received sequence and compiles various error statistics, e.g., in the form of bit error ratio (BER) or frame erasure ratio (FER). An uplink connection is used to send these statistical data to the simulation system which examines whether the information produced by the data transmission apparatus tested matches the simulation system's information about the erroneousness of the sequence sent downlink.

The invention discloses a method for processing uplink transmission. The method comprises steps that: UE receives uplink reference uplink / downlink configuration and information of an interference level of an uplink subframe; the UE receives UL Grant, uplink transmission states of two subframes are scheduled simultaneously from the UL Grant, and a method for sending PUSCH and A-CSI is determined by the UE according to the interference level of the uplink subframe. The invention further discloses the method for processing uplink transmission. The method comprises steps that: the UE receives the uplink reference uplink / downlink configuration, the UE receives the UL Grant, the uplink subframe presently scheduled by a base station and indicating information of a bit number of HARQ-ACK information needing feedback are acquired according to a UL index domain; and the UE sends the PUSCH and the HARQ-ACK information with length of the bit number. Through the method for processing uplink transmission, on the condition that uplink reference uplink / downlink configuration 0 is employed, validity of power control can be guaranteed, uplink transmission performance is improved, and A-CSI transmission performance is guaranteed. The method can further reduce cost for transmitting the HARQ-ACK on the PUSCH.

The embodiment of the invention provides an uplink power control method, a base station and a terminal, which are used for implementing control on uplink power of a terminal in dual connection transmission. The method comprises the steps that: the base station sends power configuration information to the terminal, wherein the power configuration information is used for configuring uplink maximum transmission power of the terminal in a NR (New RAT) system and in a LTE (Long Term Evolution) system; the base station receives report information sent by the terminal, wherein the report informationis used for representing a use state of uplink transmission power of the terminal in the NR system and the LTE system; and the base station regulates the uplink maximum transmission power of the terminal in the NR system according to the report information.

The present invention discloses a non-authoritative resource uplink power control method and system, a terminal and a base station. The method comprises: receiving indication information sent by a base station; selecting a power control mode according to the indication information sent by the base station; and calculating and regulating the emission power of a terminal UE according to at least one of the following information: the indication information received by the base station, the maximum emission power of the UE, the path loss, the clear channel assessment (CCA) measurement value and the sum of the power accumulation.

The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information; then receives a first signaling in X time windows; and transmits a first radio signal; wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information. The method in the present disclosure ensures uplink synchronous transmissions and improves link-level and system-level performance.

The invention provides a satellite-ground transmission method under large-scale LEO satellite deployment. The method comprises an uncertain number of channel matching steps and a power optimization step based on Lagrange duality, and the uncertain number of channel matching steps are as follows after ground nodes are connected with satellites, channel resources in the satellites multiplexing the same frequency band segment are allocated, in the step of power optimization based on the Lagrange duality, a Lagrange duality method is used, and the uplink transmission rate is maximized by determining the uplink transmission power of different ground nodes through distribution. The method is advantaged in that the resource allocation method is mainly applied to satellite-ground transmission resource allocation in a low-orbit LEO satellite large-scale deployment scene, and channel and power resources in the whole system are allocated by applying the resource allocation method provided by theinvention, so uplink transmission performance of a satellite-ground network is greatly improved, and efficient transmission is realized.

The invention provides a beam processing method and device, a terminal and network side equipment. The method comprises the following steps: receiving first indication information sent by the networkside equipment; determining a sending beam corresponding to a first antenna panel of the terminal according to the first indication information; determining sending beams of antenna panels except thefirst antenna panel according to the sending beams corresponding to the first antenna panel and the relative relationship among the sending beams of the plurality of antenna panels. The embodiments ofthe present invention can avoid sending a beam training signal on each antenna panel, thereby effectively reducing the overhead of an uplink signal; the network side equipment is prevented from measuring the beam training signal on each antenna panel, and the processing complexity and time delay of the network side equipment are reduced; furthermore, the situation that the network side equipmentconfigures the uplink beam of each antenna panel is avoided, and the configuration overhead of the uplink beam is reduced.

The embodiment of the invention provides a precoding method, which comprises the following steps: acquiring precoding vectors which are in a zero vector space of a channel matrix; and precoding at least two data blocks according to the precoding vectors, and sending the precoded data blocks to a plurality of adjacent cells. The embodiment of the invention also provides a terminal and a communication system, which can effectively reduce the interference among the plurality of data blocks by precoding the data blocks to improve the uplink transmission performance.

The invention provides an uplink transmission method, a station, a communication system, and a management real object. The method comprises a step that a station STA generates an uplink frame which comprises RUT (robust uplink transmission) indication information. When the value of the RUT indication information is a first value, it indicates that an associated access point A-AP associated with the station STA and a coordinative access point C-AP in coordinative relation with the associated access point A-AP receive the uplink frame and carry out the RUT processing of the uplink frame; when the value of the RUT indication information is a second value, it just indicates that the associated access point A-AP associated with the station STA receives the uplink frame and carries out the non-RUT processing of the uplink frame. The method also comprises a step that the station STA transmits the uplink frame.

The invention provides a data transmission method and system based on a multi-antenna panel and a storage medium. The method comprises steps that a terminal sends antenna panel parameters to a base station; the base station allocates resources for uplink transmission of the antenna panel based on the antenna panel parameters; the terminal determines an optimal sending beam corresponding to the antenna panel, and sends first beam information corresponding to the optimal sending beam to the base station; the base station determines an optimal receiving beam corresponding to the antenna panel, and sends second beam information corresponding to the optimal receiving beam to the terminal; and the base station and the antenna panel respectively use the optimal sending beam and the optimal receiving beam to carry out data transmission. According to the method, the system and the storage medium disclosed by the invention, the transmission of the target reference signal resource or the resource set can be indicated by using the antenna panel parameters, and beam measurement and antenna panel selection can be performed, so the uplink transmission performance of a multi-antenna panel can be improved, and the uplink coverage can be improved.

The invention relates to the technical field of communication, specifically a method and a device for controlling uplink power, which are used for solving the problem that the uplink transmission performance is greatly influenced by the interference of a neighboring cell eNB to a local cell eNB on a flexible uplink sub-frame in an LTE TDD system which dynamically adjusts configurations of an uplink sub-frame and a downlink sub-frame, wherein the method of the invention comprises the steps as follows: the eNB reporting proportion of its own uplink service and its own downlink service to a control node and receiving the configurations of the uplink sub-frame and downlink sub-frame of the eNB, which are transmitted by the control node, and configurations of the uplink sub-frame and the downlink sub-frame of a strong interference neighboring cell of the eNB; and the eNB determining the flexible uplink sub-frame according to the configurations of the uplink sub-frame and downlink sub-frame of the eNB and configurations of the uplink sub-frame and the downlink sub-frame of the strong interference neighboring cell and instructing UE in the local cell to adjust transmitting power of the determined flexible uplink sub-frame.

The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information; then receives a first signaling in X time windows; and transmits a first radio signal; wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information. The method in the present disclosure ensures uplink synchronous transmissions and improves link-level and system-level performance.

The invention provides a communication method and device, and relates to the technical field of communication. In the method, a terminal can send the number of radio frequency channels supported by each carrier in a plurality of carriers to network equipment when the terminal performs uplink transmission on the plurality of carriers in a TDM mode. In the method, the terminal can report the numberof the radio frequency channels adopted by each carrier when the terminal performs uplink transmission in the TDM mode to the network equipment, so that the network equipment can configure the numberof the radio frequency channels adopted by each carrier in the TDM mode for the terminal according to the actual capacity of the terminal, and the uplink transmission capacity of the terminal is improved.

The embodiment of the invention provides a method, a device and a system for processing uplink interference. The method comprises steps: after a first network device receives information of second UE (User Equipment) sent by a second network device and receives first uplink air interface data, when uplink air interface data of first UE are analyzed to be wrong, according to the information of the second UE, the uplink air interface data of the second UE are rebuilt, the rebuilt uplink air interface data of the second UE are acquired, the rebuilt uplink air interface data of the second UE are eliminated from the first uplink air interface data, the second uplink air interface data are thus acquired, and then, according to the information of the first UE, the second uplink air interface data are analyzed to acquire an analysis result for the uplink air interface data of the first UE. In comparison with the prior art, the interaction times between network devices are reduced, and requirements of the bandwidth and the time delay are reduced; and when constraints exist on the bandwidth and the time delay of an interaction channel between the network devices, the uplink transmission performance of the UE can be improved.

The invention relates to a sending power indication and determination method and device, a terminal, equipment and a medium, and belongs to the technical field of communication. The method comprises the following steps: determining the maximum allowable sending power of at least one uplink beam of a terminal, wherein the maximum allowable sending power is the maximum sending power under the condition of meeting the MPE limitation of the terminal; and sending first indication information used for indicating the maximum allowable sending power of at least one uplink beam. The method is beneficial to improving the uplink transmission performance.

The invention discloses an uplink carrier aggregation method, device and system and a storage medium and relates to the technical field of wireless communication. The uplink carrier aggregation method comprises the following steps of acquiring the measurement information reported by a terminal for a measurement event; under the condition that the quality of the pilot frequency neighbor cell is determined to be higher than a preset value according to the measurement information, adding the pilot frequency neighbor cell into a set of service cells of the terminal, and configuring the pilot frequency neighbor cell as an auxiliary cell of the terminal for transmitting uplink data; activating an auxiliary cell configured by the terminal in response to the condition that the activation condition is currently met; and carrying out carrier aggregation on uplink carriers configured by the primary cell and the activated secondary cell of the terminal so that the terminal sends uplink data through the aggregated carriers. The method is advantaged in that when the terminal needs to send a large amount of uplink data, the uplink transmission of the large amount of data can be completed through the uplink carrier provided by the auxiliary cell, and the uplink transmission capability is improved.

A method and device in a User Equipment (UE) and a base station low latency communication are disclosed. UE determines a first power, and transmits a first radio signal with the first power on a first carrier, and determines R power value(s), and transmits R low latency radio signal(s) on a second carrier with the R power value(s) respectively. When the first power and the R power value(s) have a value of zero, the UE drops the corresponding radio signals transmission. The present disclosure, according to carrying information of the first radio signal and the R low latency radio signal value(s) respectively, and time domain relations of occupied time intervals, determines the first power and the R power value(s), and then in a scenario that the UE supports both low latency communication and carrier aggregation, properly configures transmission powers of different carriers, and guarantees correct reception of uplink channels.

The invention discloses a method and device in user equipment and a base station used for wireless communication, being characterized in that the user equipment respectively sends M1 wireless signalsin M1 time windows in the M time windows; the M1 wireless signals all carry a first bit block, and the user equipment only sends the wireless signals carrying the first bit block in the M1 time windows in the M time windows; the sending power of the M1 wireless signals is first power, and the first power is equal to first reference power or a first power threshold; and the first power is related to the position of the earliest time window in the M1 time windows in the M time windows. In uplink transmission based on configuration granting, when the actual repeated sending frequency is smaller than the pre-configured repeated frequency, the method can improve the performance of uplink transmission.

The invention discloses a method and an apparatus in a node used for wireless communication. The method comprises the steps of receiving a first signal by a first node; and sending the first signal. wherein the first signal comprises scheduling information of the first signal; the first signal comprises a first domain, and the first domain in the first signal indicates a first information element; the first information part indicates a first reference signal resource set; the first reference signal resource set comprises a positive integer number of reference signal resources; the first reference signal resource set is used for determining a first parameter group, and the first parameter group is used for sending the first signal; the first parameter set includes which parameters are related to a transmission type of the first signal. According to the method, the uplink and downlink beam management mechanism is unified, the corresponding signal overhead and delay are reduced, and the uplink transmission performance is improved.

The invention relates to a communication method and device, a chip, a storage medium and a program product, and the method comprises the steps: receiving indication information indicating a precoding matrix in a target codebook, the precoding matrix and M (Mgt; 2) associating reference signals of the ports, wherein a target codebook comprises a pre-coding matrix with the row number of M; wherein only two rows comprise non-zero elements, the number of columns is 2, and the matrix is a partial phase intervention coding matrix; or, some and only three rows contain non-zero elements, and the matrix is a partial phase pre-coding matrix or a phase pre-coding matrix; or, with and only K (Mgt; k > = 4) rows contain non-zero elements and are partial phase intervention coding matrixes. In the application, the uplink precoding codebook and the indication method are enhanced, so that the uplink enhancement requirement of transmission channel resource pooling is met. The scheme can be applied to communication systems, such as V2X, LTE-V, V2V, Internet of Vehicles, MTC, IoT, LTE-M, M2M, Internet of Things and the like.

The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information; then receives a first signaling in X time windows; and transmits a first radio signal; wherein the first information is used to determine the X time windows, time-domain resources occupied by the first signaling are first time-domain resources, the X being a positive integer greater than 1; a start time for a transmission of the first radio signal is related to a first transmission timing adjustment and a second transmission timing adjustment; the first signaling is used to determine the first transmission timing adjustment, and the second transmission timing adjustment is related to a position of the first time-domain resources in the X time windows; the first information. The method in the present disclosure ensures uplink synchronous transmissions and improves link-level and system-level performance.

A method and device in a User Equipment (UE) and a base station low latency communication are disclosed. UE determines a first power, and transmits a first radio signal with the first power on a first carrier, and determines R power value(s), and transmits R low latency radio signal(s) on a second carrier with the R power value(s) respectively. When the first power and the R power value(s) have a value of zero, the UE drops the corresponding radio signals transmission. The present disclosure, according to carrying information of the first radio signal and the R low latency radio signal value(s) respectively, and time domain relations of occupied time intervals, determines the first power and the R power value(s), and then in a scenario that the UE supports both low latency communication and carrier aggregation, properly configures transmission powers of different carriers, and guarantees correct reception of uplink channels.

The embodiment of the invention provides an uplink signal transmission method, a terminal and network side equipment. The method comprises the following steps that: the terminal identifies the signaltype of an uplink signal; And the terminal determines an uplink sending beam corresponding to an uplink channel carrying the signal of the signal type, and uses the uplink sending beam to send the uplink signal in the uplink channel. As the corresponding uplink sending beam can be selected according to the signal type of the uplink signal, beam forming can be applied to uplink transmission, and the uplink transmission performance can be improved.

The embodiment of the invention provides an uplink signal transmission method, a scheduling information determination method and related equipment. The method comprises the following steps that: a terminal receives uplink signal scheduling information sent by network side equipment; under the condition that the SRS resource indicated by the uplink signal scheduling information is the first SRS resource, the terminal uniformly allocates the first power to an antenna port with signal non-zero transmission for uplink signal transmission, wherein the first SRS resource is shown in the specification, the number of the contained antenna ports of the SRS resources meets a first preset condition, the first pre-configured SRS resources or the SRS resources except the second SRS resources, and the second SRS resources are the SRS resources with the number of the contained antenna ports meeting a second preset condition or the second pre-configured SRS resources, the first power is the uplink channel sending power, or the first power is the sending power obtained after the uplink channel sending power is scaled by using the first scaling factor. The embodiment of the invention can improve theuplink transmission performance of the terminal.

Disclosed are a codebook-based uplink transmission method in a wireless communication system and a device therefor. Particularly, a method for a user equipment (UE) performing codebook-based uplink transmission in a wireless communication system includes the steps of: receiving from a base station downlink control information (DCI) for physical uplink shared channel (PUSCH) scheduling including precoding information and the number of layers; determining a precoder on the basis of the precoding information and the number of layers; and transmitting a PUSCH to which the determined precoder is applied to the base station, wherein the DCI may further include an amplitude coefficient and a phase coefficient applied to the precoder.

The invention provides a method and equipment for selecting uplink transmission parameters. The method includes obtaining the scheduling situation of the neighboring base station; according to the scheduling situation, determining a first interference level value, where the first interference level value is the interference from the second UE received by the first user equipment UE during uplink data transmission Level value, the first UE is a UE served by the base station, and the second UE is a UE served by the neighboring base station; according to the signal strength from the first UE detected by the base station, the Determine the first uplink transmission parameter based on the noise level value of the base station and the first interference level value; and send downlink control signaling to the first UE to instruct the first UE to transmit and transmit the uplink data during uplink data transmission. Uplink data corresponding to the first uplink transmission parameter. The present invention can select more suitable uplink transmission parameters in real time and improve uplink transmission performance.

The invention provides a terminal state reporting, configuring and switching method, a terminal and network side equipment, and belongs to the technical field of communication, and the terminal state reporting method applied to the network side equipment comprises the following steps: receiving first reporting information sent by the terminal, the first report information is used for representing that an antenna of the terminal for sending the last symbol of the special time slot is possibly different from an antenna of the terminal for sending the first symbol of the uplink time slot. According to the embodiment of the invention, the conflict condition of the antenna of the terminal can be reported, so that the condition that signals are transmitted on two continuous symbols and different antennas is avoided, the uplink transmission performance of a wireless system is improved, and particularly, the reliability of the first symbol of an uplink time slot can be improved.

Embodiments of the present invention provide a method, device, and system for processing uplink interference. The method includes that after the first network device receives the information of the second UE sent by the second network device and receives the first uplink air interface data, when the first UE's When the uplink air interface data is parsed incorrectly, reconstruct the uplink air interface data of the second UE according to the information of the second UE, obtain the reconstructed uplink air interface data of the second UE, and eliminate the reconstruction of the second UE from the first uplink air interface data Uplink air interface data to obtain second uplink air interface data, and then analyze the second uplink air interface data according to the information of the first UE to obtain an analysis result of the first UE's uplink air interface data. Compared with the existing technology, the number of interactions between network devices is reduced, thereby reducing the bandwidth and delay requirements. When the bandwidth and delay of the interaction channel between network devices are constrained, the uplink transmission performance of the UE can also be improved.

The invention discloses a method and a device in user equipment and a base station used for wireless communication. The user equipment receives the first information; and respectively sends M1 wireless signals in M1 time windows in the M time windows. The first information indicates a first MCS and a second MCS, and the spectral efficiency corresponding to the first MCS is greater than the spectral efficiency corresponding to the second MCS; the M1 wireless signals all carry a first bit block, and the user equipment only sends the wireless signals carrying the first bit block in the M1 time windows in the M time windows; the M1 wireless signals all adopt a target MCS, the target MCS is the first MCS or the second MCS, and the target MCS is related to the position of the earliest time window in the M1 time windows in the M time windows. In uplink transmission based on configuration granting, the performance of the uplink transmission is improved when the actual number of repetitive transmission times is smaller than the number of repetitive transmission times configured in advance.