59results about How to "Reduce bit overhead" patented technology

A method for generating a control signaling by network comprises the following steps: the network collocates a first type L1 / L2 control channel and a second type L1 / L2 control channel; the network collocates user equipment with small bandwidth ability to detect the first type L1 / L2 control channel, and collocates user equipment with big bandwidth ability to detect the second type L1 / L2 control channel; the network distributes resource blocks to each user equipment, and obtains the control bit of the indication resource block information and other L1 / L2 control information; the network sends control signaling of the user equipment with small bandwidth ability on the first type L1 / L2 channel, and selects one type of L1 / L2 channel to send control signaling according to the frequency band distributed by the resource block of user equipment with big bandwidth ability. Using the method of the present invention, the L1 / L2 control signaling of the user equipment sent by network is sent in one L1 / L2 channel only, and reduces the bit spending of the L1 / L2 control signaling.

The invention discloses expression methods and a device of a physical resource, wherein, one of the methods comprises the steps of utilizing continuous virtual resource blocks with limited length to express the physical resource position of semi-static dispatching data. By the technical proposal, the bit overhead of physical resource expression of semi-static dispatching data is reduced, and the saved bits are used for a virtual CRC, thus effectively improving the detection performance of physical downlink control channel.

An equipment and method for sending user equipment identification and user information comprises the following steps: the network transfers a first part bit display identified by the user equipment; the network transfers a second part bit identified by the user equipment through added CRC bit implicit. Using the method of the present invention, it can decrease bit spending while sending information, and reduce the probability of error detection at the same time.

The embodiment of the invention discloses a channel state information receiving method, a channel state information receiving device and a channel state information receiving system. The method comprises the following steps of: allocating a channel state information feedback particle size to user equipment, wherein the feedback particle size comprises a band part (BP) with a length greater than that of a sub-band (SB); and receiving channel state information fed back by the user equipment, wherein the channel state information is obtained according to the feedback particle size. By the technology provided by the embodiment of the invention, the channel state information bit overhead of the component aggregation user equipment in a long term evolution (LTE) system on an LTE-advanced (LTE-A) system can be reduced.

The embodiment of the invention provides a data transmission method for an uplink chain in wireless communication. When MAC-es SDU needs to be cut and processed, an MAC-es SDU is cut by an MAC-es protocol entity of a terminal side; and HARQ is mixed and automatically retransmitted by the MAC-es protocol entity of the terminal side. The embodiment of the invention also provides a data transmission method for an uplink chain in wireless communication, which is as follows: receiving MAC-es PDU transmitted by the MAC-es protocol entity of a network side; detecting MAC-es SDU segment cut in MAC-es PDU by the MAC-es protocol entity of the network side; carrying out reordering, macro diversity and combination on the MAC-es PDU; carrying out segment package on the MAC-es SDU segment; and carrying out demux on the MAC-es SDU. By cutting and segment package, the invention can solve the problems that the MAC-es protocol entity of the terminal side only supports the sizes of several fixed and limited RLC PDU, and has no function of cutting the PLC PDU.

The embodiment of the invention discloses a feedback method and feedback equipment for channel state information. The method comprises the following steps of: in a physical uplink control channel (PUCCH), feeding back the channel state information of a main carrier unit, and feeding back the channel state information of an auxiliary carrier unit in a differential quantization coding mode; in a physical uplink shared channel (PUSCH), feeding back the channel state information of a plurality of subcarriers in the main carrier unit in the differential quantization coding mode according to the difference of the channel state information of the plurality of subcarriers in the main carrier unit and the channel state information of the main carrier unit; and feeding back the channel state information of a plurality of subcarriers in the auxiliary carrier unit in the differential quantization coding mode according to the difference of the channel state information of the plurality of subcarriers in the auxiliary carrier unit and the channel state information of the auxiliary carrier unit. The feedback method and the feedback equipment save bit overhead required in the feedback of the channel state information of a plurality of carrier units.

A downlink control signaling transmission method in wireless communication system is provided, which comprises following steps: base stations in public control signaling through transmitting downlink physical control channel distribution combination index indicates downlink physical control channel type and the number of downlink physical control channel in various types transmitted in current transmission time intervals; base stations transmitted various downlink physical control channels. The invention compared to other downlink control signaling transmission methods, reduces public control signaling bit cost, decreases time-frequency resources occupied by public control signaling, thus improving system spectrum utilization.

The invention discloses a demodulated reference signal DMRS port indication method, device and base station. A provided DMRS port indication table contains all cases for maximally supporting 8-layer transmission; in combination with existing standard single-codon transmission and double-codon transmission conditions, all the cases in the DMRS port indication table are indicated through 4 bits defined by DMRS port indication information; and thus, the bit overhead of the DMRS port indication information can be reduced.

The invention provides a data broadcasting method which is applied to a satellite communication system and can reduce the expenditure of physical resources when a satellite base station broadcasts data. The method comprises that: a satellite base station acquires a plurality of data needing to be broadcasted, wherein the multiple pieces of data are the same data in Doppler frequency offset compensation values, Doppler frequency offset change rates, transmission time delays, transmission time delay change rates, time advances TA, TA change rates and angles of the multiple beams respectively corresponding to the multiple beams generated by the satellite base station; the satellite base station determines reference data and offset of each datum in the plurality of data relative to the reference data according to the plurality of data; and the satellite base station sends first indication information and a plurality of pieces of second indication information to the terminal equipment, thefirst indication information is used for indicating the reference data, and each piece of second indication information is used for indicating offset of one piece of data in the plurality of pieces ofdata relative to the reference data.

The related allocation method for channel resource in wireless communication system comprises: network allocates resource block to every UE, and generates the vector including allocation message; then, network converses the vector into a binary number, and generates complete control signaling. This invention reduces bit expending for control signaling.

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).The present disclosure provides a method for allocating Physical Uplink Control Channel (PUCCH) resources, including: a User Equipment (UE) detects a Physical Downlink Control Channel (PDCCH) scheduling a Pyhsical Downlink Shared Channel (PDSCH) in a configured control resource set; the UE analyzes the detected PDCCH, correspondingly receives PDSCH, and determines PUCCH resources feeding back Hybrid Automatic Repeat request-ACK (HARQ-ACK) information; the UE transmits the HARQ-ACK information by using the determined PUCCH resources. By adopting the method in the present disclosure, a method for allocating PUCCH resources is provided. An upper-limit resource utilization is improved. And a method for indicating PUCCH resources in Downlink Control Information (DCI) is put forward, thereby reducing bit overheads of DCI.

The invention discloses an intra-frame prediction method, a video coding method, computer equipment and a storage device. The intra-frame prediction method comprises the steps of obtaining a search template of a current block; searching a reference pixel area by adopting a search template, wherein the reference pixel area is an encoded pixel area in the current frame; respectively obtaining the matching degrees of the search template and the blocks covered by the search template in the reference pixel area; determining a minimum value in the matching degree to obtain an image block corresponding to the minimum value as an optimal matching block of the current block; and if the rate distortion cost corresponding to the optimal matching block is minimum, enabling the block matching mode corresponding to the optimal matching block to be the optimal prediction mode. By adopting the search template to search the reference pixel region, the intra-frame prediction method provided by the invention can obtain the optimal matching block by combining the image content, the brightness and the chrominance signal of the current block, so that the bit overhead of subsequent residual coding is relatively low, the compression rate of intra-frame coding is improved, and the spatial redundancy can be further removed.

The present disclosure relates to a method and device for indicating and determining a synchronization block, a base station, user equipment, and a computer readable storage medium. The method comprises the steps: determining a beam to be transmitted; generating indication information, wherein the indication information includes a number of beam packets, and identifications for indicating whethereach beam of the beam packet of each transmission synchronization signal block SSB, other than the to-be-transmitted beam, sends an identifier of the SSB or not; sending the SSB and the indication information corresponding to the to-be-sent beam to the user equipment. The above embodiment can reduce the bit overhead and flexibly represent the SSB sent by the base station.

The invention provides a non-competitive random access resource configuration method and equipment, and the method comprises the steps: transmitting target resource indication information to a terminal device based on a preset mapping relation; wherein the target resource indication information is used for determining a physical random access channel transmission opportunity RO resource; wherein the target resource indication information comprises at least one of a physical random access control channel (PRACH) mask index and a reverse osmosis (RO) resource index, and the preset mapping relationship is a corresponding relationship between a value range of the target resource indication information and RO resources. Since the indication of the RO resource can be realized by sending the target resource indication information with less content to the terminal device by the network device, the bit overhead required for indicating the RO resource in the non-competitive access process can bereduced.

The invention discloses a configuration method of a control resource set, a network device and a terminal. The method comprises the steps of: configuring indication information for indicating time-frequency domain location information of the control resource set of data information for the terminal; and sending the indication information to the terminal. The indication information includes: a first indication field for indicating downlink value configuration information, and a second indication field for indicating configuration codebook of the control resource set. According to the configuration method of the control resource set, the network device and the terminal, the first indication field and the second indication field are combined to indicate the time-frequency position of the control resource set of the data information, so the bit overhead of the system main information block MIB is reduced, and the utilization of resources is improved.

A detection method of data sequence comprises the following steps: when the data sequence is received, detection is carried out on each code element of the data sequence to obtain the changes of states between adjacent code elements; according to the changes of states between adjacent code elements, the code elements violating the coding rule are detected, and the code elements are destruction bits used for representing the end of the data subject; compared with the prior art, the invention has simple detection method by detecting the data sequence with destruction bits, can improve the correctness for detecting the lengths of data, and is beneficial for decoding and recovering the original information of the data sequence. The invention further provides a method for recovering information from the data sequence.

The invention relates to the field of mobile communication, in particular to technology for saving packet dedicated control channel (PDCCH) signaling cost during data retransmission and provides a data retransmission system and a data retransmission method. The method comprises the following steps that: a base station distributes data to be transmitted to a mobile terminal to each data stream for transmitting in a first distribution mode; and the base station transmits the data to each data stream for retransmitting in a second transmission mode and currently transmitted PDCCH signaling carries information for indicating the difference between the second distribution mode and the first distribution mode. Since the base station carries information on the difference between a retransmitted data distribution mode and a newly transmitted data distribution mode in the PDCCH signaling and does not need carry information which indicates a process group to which the data in each data stream belongs, the base station is allowed to flexibly dispatch the data among different data streams and the overhead bit of the PDCCH signaling is reduced.

The invention discloses an intelligent inter-viewpoint coding method. The method comprises the following steps: respectively obtaining a first prediction block obtained based on an adjacent block parallax vector mode and a second prediction block obtained based on a traditional parallax compensation prediction mode; constructing a residual learning convolutional neural network structure with a variable convolution kernel size; taking a result obtained by cascading the brightness component channels of the two prediction blocks as the input of a convolutional neural network, wherein the output of the network is an enhanced prediction block of the original image block; training four different network models according to the four different quantization parameters; extracting brightness components of the first prediction block and the second prediction block respectively, performing channel cascading, and calling a corresponding network model for a result after cascading according to the size of the current coding block and the quantization parameter value; and finally, calculating the rate distortion cost of the enhanced prediction block, comparing the rate distortion cost with the optimal mode cost of the current coding block; if the rate distortion cost is less than the optimal mode cost, selecting the method as the optimal coding mode, coding the corresponding mark, and transmitting the coded mark to a decoding end.

The invention discloses a reference signal indication method, a network device and a terminal device. The method comprises the steps of configuring a target reference signal pattern employed in a nexttransmission time interval for the terminal device; not sending reference signal indication information to the terminal device when the target reference signal pattern is a default reference signal pattern, or not sending the reference signal indication information to the terminal device when the target reference signal pattern is the same as the reference signal pattern indicated by the reference signal indication information received last time, wherein the target reference signal pattern is the reference signal pattern selected from a plurality of preset reference signal patterns. Accordingto the method, the network device and the terminal device, when the default reference signal pattern is employed in the next transmission time interval or the reference signal pattern the same as thereference signal pattern employed in a previous transmission time interval is employed, the reference signal indication information is not sent, on the premise of ensuring that the reference signal pattern is indicated accurately, the sending times of the system information is reduced, the bit cost of the system information is reduced, and a business transmission rate is improved.

The invention relates to a coding and decoding method and device for an intra-frame prediction mode, equipment and a readable storage medium. The coding method of the intra-frame prediction mode comprises the following steps: constructing a most probable prediction mode (MPM) candidate list of a current data block according to the statistical number of times of each intra-frame prediction mode adopted by a coded data block; determining an MPM set of the current data block according to the MPM candidate list of the current data block; obtaining a target intra-frame prediction mode of the current data block according to the MPM set of the current data block; and if the target intra-frame prediction mode exists in the MPM set of the current data block, encoding the target intra-frame prediction mode according to the sequence of the target intra-frame prediction mode in the MPM set, and determining a code word of the target intra-frame prediction mode. According to the method, the code word length of the target intra-frame prediction mode of the current data block is reduced, and the bit cost is reduced.

The application discloses a point cloud encoding and decoding method and an encoding and decoding device, relates to the technical field of encoding and decoding, thereby improving the encoding and decoding efficiency of point cloud data and reducing the bit overhead of a code stream. The encoding method of the point cloud comprises the following steps: acquiring side information of a patch to beencoded; if the patch to be encoded is the patch in a first frame point cloud in a subgroup, compiling the side information of the patch to be encoded into a code stream; configuring the side information to comprise two-dimensional information, three-dimensional information, rotation transformation information, a global matching patch identifier and a matching patch index and setting the global matching patch identifier to be used for indicating whether the patch to be encoded is a global matching patch in the subgroup or not; and if the patch to be encoded is the patch in a non-first frame point cloud in the subgroup, compiling side information of the patch to be coded into the code stream, the side information comprising three-dimensional information and a matched patch index.

The invention provides an information scheduling, sending-receiving method and device, a basic station and a user equipment. The information scheduling method comprises the steps of configuring time granularity information for user equipment, wherein the time granularity information includes one or a plurality of time granularity; scheduling the uplink feedback for user data and / or downlink data based on the scheduled time granularity information. The invention is advantageous in that through configuring time granularity information for the user equipment, the flexible and configurable time granularity can be supported in NR system; based on the configured time granularity information, at least one item of the uplink feedback of the user data and the downlink data can be scheduled, so as to save and control the bits expense of control signaling.

The invention provides a client side clock transmission method based on an optical carrier remodulation in an optical transmission network (OTN). On the transmitting end of a system, a client signal is loaded onto an optical carrier by amplitude modulation after being mapped into an OTN frame; then, the client signal subsequently enters a phase modulator (PM); a client signal clock transmitting device re-modulates the optical carrier by the phase modulator to generate a clock signal in a differential quadrature phase shift keying (DQPSK) format; then the clock signal enters a transmission link device to be transmitted; an optical signal is transmitted after being amplified by the link device; on a receiving end, the client signal is respectively received by a DQPSK demodulator and an OTN sub-wavelength cross processor by an optical splitter; and the clock is demodulated by the DQPSK demodulator.

The invention relates to a an encoding and decoding method, device and appartus of an intra-frame prediction mode and a readable storage mediumcoding and decoding method and device for an intra-frameprediction mode, equipment and a readable storage medium. The coding method of the intra-frame prediction mode comprises the following steps: constructing a most probable prediction mode MPM candidatelist of a current data block according to an intra-frame prediction mode adopted by a plurality of adjacent data blocks of the current data block; wherein each intra-frame prediction mode in the MPMcandidate list is ranked according to the correlation between each adjacent data block and the current data block from large to small; determining an MPM set of the current data block according to theMPM candidate list of the current data block; obtaining a target intra-frame prediction mode of the current data block according to the MPM set of the current data block; and if the target intra-frame prediction mode exists in the MPM set of the current data block, encoding the target intra-frame prediction mode according to the sequence of the target intra-frame prediction mode in the MPM set, and determining a code word of the target intra-frame prediction mode. According to the method, the cCode word length of the target intra-frame prediction mode of the current data block is reduced, andthe bit cost is reduced.

The invention relates to a method for reporting RSRP (Reference Signal Receiving Power), a terminal, a computer readable medium and a system for reporting RSRP (Reference Signal Receiving Power). Themethod includes the following steps that: a differential quantization function configured by a base station for a terminal by using RRC (Radio Resource Control ) signaling is received; differential operation is performed on adjacent RSRP measurement values based on the differential quantization function; and an operation result is reported to the base station. According to the method provided by the technical schemes of the invention, differential operation is performed on the adjacent RSRP measurement values, and therefore, the number of bits of differential quantization can be effectively reduced with system performance not affected, the bit overhead of reporting the RSRP measurement values can be reduced, and system efficiency can be improved.

The invention discloses a reference signal indication method, network equipment and terminal equipment. The method comprises: configuring a target reference signal pattern used in the next transmission time interval for the terminal equipment; when the target reference signal pattern is a default reference signal pattern When the reference signal indication information is not sent to the terminal equipment; or, when the target reference signal pattern is the same as the reference signal pattern indicated by the reference signal indication information received last time, the reference signal indication information is not sent to the terminal equipment; the target reference signal The signal pattern is one selected from a plurality of preset reference signal patterns. When using the default reference signal pattern in the next transmission time interval or using the same reference signal pattern as in the previous transmission time interval, the present invention does not send reference signal indication information, and on the premise of ensuring that the reference signal pattern is accurately indicated, the system is reduced. The number of times information is sent, thereby saving the bit overhead of system information and improving the service transmission rate.

The embodiments of the present application disclose a DCI transmission method and device, a communication device, and a storage medium. The DCI transmission method may include: sending a first DCI, wherein the first DCI includes: a first information domain and a second information domain; the first information domain includes first indication information and second indication information; whereinthe first indication information is used to indicate a successful uplink transmission or a failed uplink transmission; the second indication information is used to indicate that the second informationfield carries new transmission scheduling information or transmission parameter adjustment information when the uplink transmission is successful; the second indication information is further used toindicate that the second information field carries retransmission scheduling information or access indication information when the uplink transmission fails.