63results about How to "Reduce the complexity of blind detection" patented technology

The invention discloses a system and a method for implementation of control channel resource allocation. A pre-coded control channel can be mapped from a first OFDM (orthogonal frequency division multiplexing) code of an ABS (almost blank subframe) when no scheduling R8/R9/R10 UE (user equipment) is in the ABS. The control channel resource allocation technology implemented by the system and the method can be applied to control channel resource allocation and indication optimization of LTER10 subsequent versions. Resource utilization efficiency is improved and control channel covering power is improved by making full use of the UE bearing no information in the ABS, and UE energy conservation and reduction of control channel blind test complexity for the UE are both benefited.

The invention discloses an information transmission method, a device and a system. According to the embodiment of the invention, the information transmission method comprises the following steps: transmitting downstream control information to one or more second communication nodes by a first communication node in a downstream control domain of a first time unit; transmitting downstream data to one or more second communication nodes by the first communication node according to the downstream information, or/and receiving upstream data transmitted from one or more second communication nodes, wherein the first time unit comprises the downstream control domain and a data domain; and a preset resource length is set between the start position of the downstream control domain and the start position of the first time unit. By adopting the embodiment of the invention, the problems that in the prior art in high-frequency honeycomb communication, since the number of radio frequency links is limited, all downstream wave beams cannot be transmitted simultaneously on same symbols in a hybrid wave beam transmission mode, and a receiving terminal is relatively high in detection complexity, are solved.

The invention discloses a data transmission method and device in V2X. The method includes: obtaining a configuration mode of a resource pool; selecting a resource for transmitting a V2X message according to the acquired configuration mode of the resource pool, the size of the received V2X message and a time delay requirement. The method and device support a case that SA and data use resources withadjacent frequencies and have low SA blind detection complexity.

The invention provides a DCI transmission method, UE, and a network side device. The method comprises the following steps: the UE receives and parses first partial control information contained in theDCI by using a blind detection PDCCH, wherein the first partial control information comprises a fixed information domain, and the information domain comprises receiving information of second partialcontrol information contained in the DCI; and the UE receives and parses the second partial control information according to the receiving information. By adoption of the embodiment of the invention,the blind detection complexity of the UE receiving the DCI can be reduced, and the power consumption of the UE can be reduced.

The invention provides an information transmission method and a communication device. The method comprises the following steps: determining a corresponding relationship between a first aggregation level AL set associated with a plurality of first PDCCH candidates and a second AL set associated with a plurality of second PDCCH candidates, wherein the corresponding relationship is a corresponding relationship between at least one first AL in the first AL set and at least one second AL in the second AL set; and detecting at least one first PDCCH candidate in the plurality of first PDCCH candidates and/or at least one second PDCCH candidate in the plurality of second PDCCH candidates according to the corresponding relationship. When a plurality of DCIs are detected, the AL corresponding to theDCI to be detected can be determined according to the corresponding relationship between the ALs corresponding to the plurality of DCIs, and the DCI is detected in the PDCCH candidates correspondingto the AL, so that the DCI blind detection complexity is reduced.

The invention discloses a downlink control channel detection method, a terminal and a base station. The method comprises the following steps: obtaining first auxiliary information and second auxiliaryinformation sent by the base station, wherein the first auxiliary information is used for indicating a time domain duration of a control resource set where a downlink control channel allocated by thebase station is located, and the second auxiliary information is used for indicating a resource mapping manner from a resource element group REG of the control resource set to a control channel element CCE; and performing blind detection on the downlink control channel according to the first auxiliary information and the second auxiliary information. The terminal disclosed by the invention determines a blind detection range of the downlink control channel in combination with the first auxiliary information that indicates the time domain duration of the control resource set where the downlinkcontrol channel is located and the second auxiliary information that indicates the resource mapping manner from the resource element group REG of the control resource set to the control channel element CCE, and performs the blind detection on the corresponding control resource set, in order to reduce the blind detection complexity of the downlink control channel by the terminal.

The invention discloses a downlink control information detection method, a downlink control information transmission method, a terminal and a network device. The downlink control information detectionmethod comprises the following steps: obtaining indication information used for indicating a candidate downlink control information DCI load size; and performing blind detection on a physical downlink control channel PDCCH according to the candidate DCI load size indicated by the indication information so as to determine the DCI transmitted in the PDCCH. The terminal disclosed by the invention obtains the indication information used for indicating the candidate DCI load size, and performs the blind detection on the PDCCH according to the candidate DCI load size, so that the blind detection complexity can be reduced, and the blind detection times can be reduced.

The embodiment of the invention discloses a control channel transmission indication, a detection method, a base station and user equipment. The control channel transmission indication method comprisesthe steps of acquiring a sending parameter of a control channel of a current short transmission time interval sTTI; forming indication information sent by the control channel according to the sendingparameter, wherein the indication information comprises a detection parameter used for performing detecting the control channel; and sending the indication information on a predetermined time frequency resource position of the sTTI. Therefore, the base station not only can send scheduling information via the control channel, but also can send the indication information; the user equipment can acquire the indication information before detecting scheduling information of the control channel; the indication information is determined according to the sending parameter of the control channel, so that the hesitancy degree of blind detection of the user equipment can be reduced, and thus the complexity of blind detection is reduced, the blind detection efficiency of the control channel can be enhanced, and the power consumption of blind detection is reduced.

The present disclosure relates to a channel resource determination method and device, and a storage medium. The method comprises: a second user equipment selecting one PSFCH resource in a specified physical side chain feedback channel (PSFCH) resource set, the PSFCH resource set comprising one or more PSFCH resources; and the second user equipment sending side chain feedback control information (SFCI) according to the selected PSFCH resource. By adopting the method and the device, the probability of resource collision can be effectively reduced, so that the number of times of hybrid automaticrepeat request (HARQ) is reduced, and the HARQ efficiency is improved.

The invention discloses a side link transmission method, a terminal and a computer readable storage medium. The method comprises the following steps: acquiring a time-frequency resource for transmission on a side link; and taking a preset position on the time-frequency resource as a time domain sending position of side link control information, and sending the side link control information on theside link. By applying the scheme, the receiving terminal can determine the specific sending position of the side link control information on the time-frequency resource, the blind detection complexity of the receiving terminal can be reduced, the receiving efficiency can be improved, and the power consumption of the receiving terminal can be reduced.

The invention provides a method and a device for transmitting downlink control information. The method comprises the following steps: network side equipment sends first configuration information to terminal side equipment, wherein the first configuration information is used for configuring a search space, the terminal side equipment receives the first configuration information sent by the networkside equipment and detects first DCI and second DCI in the search space according to the first configuration information, and the first DCI comprises a first field and a truncated second field; or thetruncated first field and the truncated second field; or the truncated first field and the truncated second field; wherein the first field indicates resource allocation, the second field indicates frequency hopping offset, and the bit number of the first DCI is the same as the bit number of the second DCI. According to the method and the device for transmitting the downlink control information inthe embodiment of the invention, the blind detection complexity of the DCI by the terminal side equipment can be reduced.

The invention provides a method and a device for terminating uplink continuous repeated transmission, a base station and a piece of user equipment. The method includes the following steps: receiving the monitoring period of a first type of termination conditions and the monitoring period of a second type of termination conditions configured by a base station during uplink continuous repeated transmission of the same transmission block, wherein the monitoring period length of the first type of termination conditions is X times of the monitoring period length of the second type of termination conditions, and X is an integer greater than or equal to 1; carrying out blind test on the two types of termination conditions according to the monitoring period of the first type of termination conditions and the monitoring period of the second type of termination conditions; and choosing whether or not to terminate the uplink continuous repeated transmission of the transmission block according tothe blind test result. Subsequent repeated transmission can be terminated in time according to the termination conditions, so that the transmission resources of users can be saved, and the complexityof blind test by users can be reduced.

The present invention relates to an information transmitting method, a receiving method, a device and a storage medium in a direct-connection communication scenario. The information transmitting method includes following steps: a transmitting device determines the first frequency domain bandwidth occupied by control information to be sent, and the second frequency domain bandwidth occupied by userdata corresponding to the control information; the transmitting device occupies m different frequency domain resources and repeatedly transmits the control information to a receiving device for m times in a frequency division multiplexing manner; and the transmitting device occupies the target frequency domain resource and transmits the user data to the receiving device. In the technical scheme provided, the transmitting device occupies multiple different frequency domain resources, and repeatedly transmits the control information to the receiving device in a frequency division multiplexing manner; and compared with a situation that a transmitting device only transmit control information for one time, the probability of detecting the control information of the transmitting method is correspondingly improved when the receiving device performs blind detection on the control information, thus reducing the control information blind detection complexity of the receiving device.

An embodiment of the invention relates to a data transmission method and device and a storage medium. Downlink control information (DCI) with a fixed length is sent, and the DCI with the fixed lengthincludes detection parameters of DCI with variable lengths.

The invention discloses a protocol data unit generation method, a configuration method, a device and electronic equipment and belongs to the technical field of communication. The protocol data unit generation method is applied to a terminal. The method comprises the following steps: a media access control (MAC) entity of the terminal generates an MAC protocol data unit (PDU) for a currently scheduled hybrid automatic repeat request (HARQ) entity according to at least one of the following items: first indication information sent by network side equipment, second indication information sent by a physical layer entity to the MAC entity, the terminal is configured; and the MAC entity sends the generated MAC PDU to the physical layer entity. According to the technical scheme of the invention, the blind detection complexity of a network side can be reduced, and the processing complexity of uplink control signaling multiplexing of the terminal in an uplink data channel can be reduced.

The invention provides a precoding matrix indication method, a terminal and network side equipment. The method comprises the following steps: the terminal receives a control signaling sent by the network side equipment, the control signaling comprises the precoding information of N-bit, and the N is positive integer; the terminal determines the amount of the precoding particle according to the scheduling resource, and determines the precoding information bit of each precoding particle in the precoding information of N-bit according to the amount of the precoding particles, wherein each precoding particle comprises at least one sub-band, and each sub-band comprises at least one PRB; and the terminal acquires the precoding matrix indicated by the precoding information bit of each precoding particle. The blind test complexity of receiving the controlling signal by the terminal can be reduced through the indication method provided by the embodiment of the invention.

Provided in an embodiment of the present invention are an information transmission method, a device, and a computer readable storage medium. The method comprises the steps of a network side sending an indication signal, the indication signal indicating one or more of the following information: a period of a synchronization/broadcast signal block (SSB); the time domain position of the indication signal; a time domain position of the SSB; the invention relates to a quasi-co-location (QCL) condition of SSBs.

The invention provides a PDCCH detection method and device and user equipment. The method comprises the following steps: measuring downlink channel quality after accessing an NR cell; and according to the quality of the downlink channel, demodulating the candidate PDCCHs corresponding to the aggregation levels according to the sequence of the aggregation levels from small to large or from large to small in the search space until the PDCCHs sent by the network side are detected. According to the invention, the order of the aggregation levels of the PDCCH can be automatically adjusted and demodulated according to the downlink channel quality, so that the number of blind detection times is reduced, the blind detection complexity is reduced, and the blind detection efficiency is improved.