Abstract: Method, device and electronic equipment for coding/decoding are provided. The coding method includes: restricting range information about Block copying Vector(s) (BV(s)) of an Intra Block Copying (IBC) mode is determined; and the restricting range information is written into a bitstream. In the present disclosure, the problem of reduction in data processing efficiency caused by the fact that a BV range may not be determined when using IBC in the related technology is solved, the data processing efficiency may be improved, and meanwhile, smooth implementation of a coding or decoding process may also be ensured.

Abstract: The present disclosure relates to a single-cell multicast control channel (SC-MCCH) sending method and apparatus, and an SC-PTM receiving method and apparatus. An example SC-MCCH sending method includes: generating, by a base station, SC-MCCH information for indicating configuration information of a Single Cell Point-to-Multipoint (SC-PTM) service; sending, by the base station, frequency domain scheduling information of the SC-MCCH information on a Physical Downlink Control Channel (PDCCH); and sending, by the base station, the SC-MCCH information on a Physical Downlink Shared Channel (PDSCH). The SC-MCCH information includes: a mapping relationship between a TMGI of the SC-PTM service and a G-RNTI of the SC-PTM service on the PDCCH, and information of a time domain location of the SC-PTM service.

Abstract: Disclosed are a method and apparatus for grouping vehicles in Internet of Vehicles. The method comprises: a designated vehicle within a coverage area of a road-side unit (RSU) satisfying a preset condition receives first indication information of the RSU, the first indication information being set for indicating the designated vehicle to be a vehicle having a management permission to manage a vehicle group to which the designated vehicle pertains; or designated vehicles outside the coverage area of the RSU satisfying a preset condition negotiate to decide a final designated vehicle; the designated vehicle periodically broadcasts a first message set for performing vehicle grouping to the vehicles within the coverage of the RSU and/or outside the coverage of the RSU; the designated vehicle receives a second message in response to the first message; and the designated vehicle groups vehicles that send the second message to a vehicle group.

Abstract: Provided is a method for sending a V2X service. The method includes: a Vehicle-to-Everything (V2X) Application Server (AS) classifies and identifies the V2X service, where different types of V2X service have different identifiers; the V2X AS sends a request message to a Broadcast Multicast Service Center (BM-SC), where the request message is used for instructing the BM-SC to establish a Multimedia Broadcast Multicast Service (MBMS) bearing corresponding to an identifier of the V2X service; and the V2X AS sends the V2X service through the MBMS bearing established by the BM-SC.

Abstract: Provided are a method and a device for decoding a Picture Order Count (POC), and a method and a device for coding a POC, and electronic equipment. The method for decoding the POC includes that: parameters for Most Significant Bit (MSB) and Least Significant Bit (LSB) used in an alignment operation on the POC are acquired; an MSB value and an LSB value of a POC value of a current picture are determined according to the parameters for MSB and LSB; and the POC value of the current picture is calculated according to the MSB value and the LSB value. By means of the technical solution, the problems in the related art that the accuracy in decoding and outputting a multilayer video bitstream cannot be ensured and an extra overhead of network resources is increased in multilayer video coding and decoding processes are solved.

Abstract: Provided are a random access method and apparatus. The method can include: a first cluster head in a first cluster formed by multiple UEs selects a preamble from a preset preamble set, and transmits the preamble to a base station, each preamble in the preamble set indicating the number of UEs corresponding to the each preamble, and the number of UEs corresponding to the selected preamble being equal to the number of cluster members in the first cluster; the first cluster head receives a response message transmitted by the base station in response to the preamble; and the first cluster head broadcasts, to each cluster member in the first cluster, the resource information for establishing the RRC connection and the C-RNTI.

Abstract: Provided are method and apparatus for sending V2X service, and method and apparatus for configuring resources. The method for sending V2X service includes that a first OBU acquires sending resources for sending a V2X service, where the sending resources include resources required for sending V2X service data and scheduling information of the V2X service, the scheduling information is used for specifying information required for resource scheduling for the V2X service data; and the first OBU sends, on the sending resources, the scheduling information and the V2X service data to a second OBU. Frequency-domain multiplexing is performed in a same subframe in the sending resources for scheduling information and the V2X service data, and the scheduling information specifies that resource configuration is performed, in same and/or different subframes, for the V2X service data.

Abstract: Disclosed is a method for coding and decoding depth information, and the method includes: data in original Depth Look-up Tables (DLTs) of selected views are combined to establish a unified DLT, a value of the number of elements in the unified DLT and each element in the unified DLT are coded respectively and a coded value and each coded element are transmitted to a decoder; and depth information of each view is coded by taking the unified DLT as a whole or in portions and coded depth information of each view is transmitted to the decoder. Further disclosed are a system and device for coding and decoding depth information; by means of the disclosure, it is possible to reduce redundancy of coding information and improve coding and decoding efficiency.

Abstract: Provided are a bitstream generation method and apparatus, a bitstream processing method and apparatus, and a system. The bitstream generation method includes that: it is judged whether it is needed to execute a Picture Order Count (POC) alignment operation on an entire bitstream and/or a part of the bitstream according to an application requirement; and identification and control information is written into the bitstream according to a judgment result, wherein the identification and control information includes: information indicating whether to execute the POC alignment operation on the entire bitstream and/or a part of the bitstream. The flexibility in bitstream control can be improved.

Abstract: Provided are a random access method and apparatus. The method can include: a first cluster head in a first cluster formed by multiple UEs selects a preamble from a preset preamble set, and transmits the preamble to a base station, each preamble in the preamble set indicating the number of UEs corresponding to the each preamble, and the number of UEs corresponding to the selected preamble being equal to the number of cluster members in the first cluster; the first cluster head receives a response message transmitted by the base station in response to the preamble; and the first cluster head broadcasts, to each cluster member in the first cluster, the resource information for establishing the RRC connection and the C-RNTI.

Abstract: The present disclosure provides an SC-MCCH sending method and device, and an SC-PTM receiving method and device. The SC-MCCH sending method includes: generating, by a base station, SC-MCCH information for indicating configuration information of a Single Cell Point-to-Multipoint (SC-PTM) service; and sending, by the base station, the SC-MCCH information; wherein the SC-MCCH information comprises: a mapping relationship between an identifier (TMGI) of the SC-PTM service and a Group Radio Network Temporary Identifier (G-RNTI), and information of a time domain location where the SC-PTM service is.

Abstract: Provided are a method and a device for decoding a Picture Order Count (POC), and a method and a device for coding a POC, and electronic equipment. The method for decoding the POC includes that: parameters for Most Significant Bit (MSB) and Least Significant Bit (LSB) used in an alignment operation on the POC are acquired; an MSB value and an LSB value of a POC value of a current picture are determined according to the parameters for MSB and LSB; and the POC value of the current picture is calculated according to the MSB value and the LSB value. By means of the technical solution, the problems in the related art that the accuracy in decoding and outputting a multilayer video bitstream cannot be ensured and an extra overhead of network resources is increased in multilayer video coding and decoding processes are solved.

Abstract: Disclosed are methods and devices for coding and decoding depth information, which relate to a Three-Dimensional Video (3DV) coding technology. The coding method includes: arranging all elements in a DLT in an ascending order of values, wherein the DLT is a data structure representing depth numerical values by index numbers; coding a value of a first element in the DLT, and writing the bits of the value into a bitstream; and coding a difference value between a value of each of the other elements except the first element in the DLT and a value of an element with an index number smaller than an index number of the each of other elements in the DLT respectively, and writing the value of the difference value into the bitstream. The method for decoding depth information and related coding and decoding devices are also provided. By the technical solutions of the disclosure, efficiency of coding and decoding depth information is improved, and resource occupation during depth information coding is reduced.

Abstract: The disclosure provides a scheduling method and device for a single-cell Multimedia Broadcast and Multicast Service (MBMS).

Abstract: A device capability negotiation method includes receiving, by a first device, a multilayer video data request sent by a second device, and sending, by the first device, response information to the second device. The response information includes at least one of the following information types: decoding capability information needed for decoding a multilayer video code stream, decoding capability information needed for decoding various layers in the multilayer video code stream, and decoding capability information needed for decoding different output layer combinations in the multilayer video code stream. Also disclosed are a device capability negotiation apparatus, and a computer storage medium.

Abstract: Provided are a method and a device for decoding a Picture Order Count (POC), and a method and a device for coding a POC, and electronic equipment. The method for decoding the POC includes that: parameters for Most Significant Bit (MSB) and Least Significant Bit (LSB) used in an alignment operation on the POC are acquired; an MSB value and an LSB value of a POC value of a current picture are determined according to the parameters for MSB and LSB; and the POC value of the current picture is calculated according to the MSB value and the LSB value. By means of the technical solution, the problems in the related art that the accuracy in decoding and outputting a multilayer video bitstream cannot be ensured and an extra overhead of network resources is increased in multilayer video coding and decoding processes are solved.

Abstract: The present disclosure provides an SC-MCCH sending method and device, and an SC-PTM receiving method and device. The SC-MCCH sending method includes: generating, by a base station, SC-MCCH information for indicating configuration information of a Single Cell Point-to-Multipoint (SC-PTM) service; and sending, by the base station, the SC-MCCH information; wherein the SC-MCCH information comprises: a mapping relationship between an identifier (TMGI) of the SC-PTM service and a Group Radio Network Temporary Identifier (G-RNTI), and information of a time domain location where the SC-PTM service is.

Abstract: Provided is a method for sending a V2X service. The method includes: a Vehicle-to-Everything (V2X) Application Server (AS) classifies and identifies the V2X service, where different types of V2X service have different identifiers; the V2X AS sends a request message to a Broadcast Multicast Service Center (BM-SC), where the request message is used for instructing the BM-SC to establish a Multimedia Broadcast Multicast Service (MBMS) bearing corresponding to an identifier of the V2X service; and the V2X AS sends the V2X service through the MBMS bearing established by the BM-SC.

Abstract: Provided are method and apparatus for sending V2X service, and method and apparatus for configuring resources. The method for sending V2X service includes that a first OBU acquires sending resources for sending a V2X service, where the sending resources include resources required for sending V2X service data and scheduling information of the V2X service, the scheduling information is used for specifying information required for resource scheduling for the V2X service data; and the first OBU sends, on the sending resources, the scheduling information and the V2X service data to a second OBU. Frequency-domain multiplexing is performed in a same subframe in the sending resources for scheduling information and the V2X service data, and the scheduling information specifies that resource configuration is performed, in same and/or different subframes, for the V2X service data.

Abstract: The present disclosure relates to a single-cell multicast control channel (SC-MCCH) sending method and apparatus, and an SC-PTM receiving method and apparatus. An example SC-MCCH sending method includes: generating, by a base station, SC-MCCH information for indicating configuration information of a Single Cell Point-to-Multipoint (SC-PTM) service; sending, by the base station, frequency domain scheduling information of the SC-MCCH information on a Physical Downlink Control Channel (PDCCH); and sending, by the base station, the SC-MCCH information on a Physical Downlink Shared Channel (PDSCH). The SC-MCCH information includes: a mapping relationship between a TMGI of the SC-PTM service and a G-RNTI of the SC-PTM service on the PDCCH, and information of a time domain location of the SC-PTM service.