6 results about "RTP Control Protocol" patented technology

The invention provides a new wireless broadcast optimization method, device and equipment, a storage medium and a program product, and belongs to the technical field of wireless communication, and the method comprises the steps that an application function AF is internally provided with an error code corresponding table, and the error code corresponding table is used for storing the corresponding relation between the error rate and the forward error correction FEC coding proportion; receiving a real-time transmission control protocol packet reported by each multicast terminal, wherein the real-time transmission control protocol packet comprises an error rate; performing bit error rate statistics based on the geographic areas to obtain area bit error rates corresponding to the geographic areas; and determining the FEC coding proportion of each geographic area based on the bit error rate of each area and the bit error coding corresponding table. The broadcast channel state is indirectly estimated by means of feedback of the multicast terminal so as to obtain channel measurement, FEC coding is guided according to the corresponding relation between the bit error rate and the FEC coding proportion, and reliability is improved and data transmission efficiency and transmission quality are balanced on the basis of ensuring large capacity and short time delay of broadcast services.

The present invention provides a method for verifying the integrity of real-time transport protocol (RTP) data, the method comprising the steps of: receiving a certificate including a public key from a first RTP control protocol (RTCP) packet transmitted in correspondence with a plurality of RTP packets including RTP data; receiving, from a second RTCP packet transmitted in correspondence with the plurality of RTP packets following the first RTCP packet, a signature value obtained by encrypting a hash value of the RTP data included in the plurality of RTP packets with a private key corresponding to the public key; and verifying the integrity of the RTP data by comparing, with the hash value of the RTP data, a hash value obtained by decrypting the signature value with the public key.

System and method for transmitting coordinate data in a network communication. The present invention describes a method for transmitting coordinate data in a network communication. The method comprising: receiving, through a sensor (106), the coordinate data with respect to an original position of a device (100) installed in a predefined area, monitoring, through a processor (102) of the device (100), if there is any change in the coordinate data with respect to the original position of the device (100), in real-time, embedding, through the processor (102), the coordinate data in a Real-time Transport Control Protocol (RTCP) report in the network communication, based on the monitoring, and transmitting, through a transmitter (108) of the device (100), the coordinate data embedded into the RTCP report over an RTP protocol.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. In addition, the present disclosure relates to a user equipment for supporting a real-time communication service in a wireless communication system. A method of a user equipment for supporting a real-time communication service in a wireless communication system, according to the present disclosure, may comprise the steps of: receiving media-specific importance-related information from a media transmission apparatus; responding to packet loss by using the received media-specific importance-related information; and providing the media-specific importance-related information to a network.

The application relates to a real-time audio-video interaction method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring an audio-video media stream, creating a peer-to-peer connection object; generating session description protocol request information and setting the information as a local media description, sending the information to a receiving end through a signaling channel, receiving and processing session description protocol response information fed back by the receiving end, completing media capability negotiation of both parties, exchanging network information; performing an address connectivity check process of an interactive connection establishment framework, cooperating with the receiving end to determine an optimal transmission path of the audio-video media stream transmission, performing a handshake process through a data packet transmission layer security protocol, and negotiating to generate an end-to-end encryption key; encapsulating and transmitting the encrypted audio-video media stream, acquiring network transmission state information based on a real-time transmission control protocol, and optimizing a communication transmission process in real time. The method can reduce delay and cost and provide a more secure decentralized network environment.

The invention discloses a Miracast screen projection display optimization method, which comprises the following steps of: S1, opening up and establishing a receiving cache region and a sending and displaying cache region which are respectively used for temporarily storing a received data packet and complete frame data to be displayed; s2, detecting the continuity of the serial numbers of the data packets in the receiving cache region, if the serial numbers are continuous and complete display frame data are formed, sending the data to the sending and displaying cache region to wait for sending and displaying, otherwise, judging that the data packet is in a packet loss state; s3, when the receiving cache region has a packet loss state, dynamically and selectively triggering a packet loss retransmission mechanism according to the data state of the sending and displaying cache region; and S4, if a packet loss retransmission mechanism is triggered, feeding back packet loss information to a sending end through a real-time transmission control protocol, and dynamically adjusting transmission parameters to adapt to a network environment.