WO2018076376A1 - Procédé de transmission de données vocales, dispositif utilisateur, et support de stockage - Google Patents

Procédé de transmission de données vocales, dispositif utilisateur, et support de stockage Download PDF

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Publication number
WO2018076376A1
WO2018076376A1 PCT/CN2016/104138 CN2016104138W WO2018076376A1 WO 2018076376 A1 WO2018076376 A1 WO 2018076376A1 CN 2016104138 W CN2016104138 W CN 2016104138W WO 2018076376 A1 WO2018076376 A1 WO 2018076376A1
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voice data
downlink
user equipment
data packet
data network
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PCT/CN2016/104138
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English (en)
Chinese (zh)
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贾银元
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华为技术有限公司
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Priority to PCT/CN2016/104138 priority Critical patent/WO2018076376A1/fr
Priority to CN201680090276.0A priority patent/CN109891784A/zh
Publication of WO2018076376A1 publication Critical patent/WO2018076376A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a voice data transmission method, a user equipment, and a storage medium.
  • Voice over LTE based on Long Term Evolution (LTE) is an Internet Protocol (IP) data transmission technology that does not require second generation mobile communication (2-Generation, 2G)/3rd-generation mobile communication (3G) network, all services are carried on the 4th generation (4th generation, 4G) network, which can realize the unification of data and voice services under the same network. It uses 4G LTE's high-speed bandwidth to transmit voice and video, and implements Voice over Internet Protocol (VoIP)/Voice over IP Multimedia Subsystem (VoIMS) calls. All data is transmitted over IP without traditional circuit switching. (Circuit Switching, CS). Traditional circuit switching is used for 2G networks, 3G networks, and fixed telephone networks.
  • the VoLTE user equipment When the VoLTE user equipment and the CS user equipment communicate with each other, the VoLTE user equipment (UE) negotiates with the network side equipment (such as a multimedia network element) for voice media attributes, including narrow bandwidth, voice coding rate, and uplink data. Packet duration/uplink packing interval (ptime), downlink packet duration/downlink maximum packing interval (maxptime), and so on.
  • the network side device performs real-time transport protocol (RTP) encapsulation and packaging on the voice data sent by the CS user equipment according to the maxptime sent by the VoLTE user equipment, and transmits the encapsulated RTP packet to the VoLTE user equipment, thereby implementing the VoLTE user. Voice communication between the device and the CS user device.
  • RTP real-time transport protocol
  • the packet duration of the packet is 20 ms
  • the packet length of each RTP packet encapsulated by the network side device to the VoLTE user equipment is 240 ms. If the frame duration of each frame of voice data is 20 ms, the network side device sends the packet to the VoLTE user equipment.
  • Each RTP packet contains 12 frames of voice data. If a packet loss occurs during the transmission of the RTP packet, then losing one RTP packet loses 12 frames of voice data.
  • the voice communication between the VoLTE user equipment and the CS user equipment will lose more voice data frames, thereby reducing the jitter resistance of the voice packet and affecting the voice quality.
  • the embodiment of the invention provides a voice data transmission method, a user equipment and a storage medium, which can reduce the loss of the voice data frame, thereby improving the jitter resistance of the voice packet and improving the voice quality.
  • a first aspect of the embodiments of the present invention provides a voice data transmission method, including: a user equipment acquires a downlink voice data network quality parameter; and the user equipment determines a downlink data packet packing parameter that matches the downlink voice data network quality parameter; The user equipment sends an indication message carrying the downlink data packet packing parameter to the multimedia network element, where the indication message is used to instruct the multimedia network element to send a voice data packet to the user equipment according to the downlink data packet packing parameter.
  • the downlink data packet packing parameter is dynamically determined according to the downlink voice data network quality parameter, and the transmission mode of the fixed downlink data packet packing parameter is changed, and the voice data frame can be reduced in the high-speed motion and weak signal coverage environment. Loss, which improves the jitter resistance of voice packets and improves voice quality.
  • the downlink voice data network quality parameter includes a packet loss rate of the downlink voice data network, and the packet loss rate of the downlink voice data network can be relatively intuitive because the packet loss has a great impact on the voice quality. Reflect the situation of the downlink voice network.
  • the user equipment calculates a packet loss rate of the downlink voice data network according to the sequence number of the received voice data packet, so as to obtain the downlink voice data network quality parameter.
  • P SEQ(max)-SEQ(min)+1
  • P is the downlink
  • the packet loss rate of the voice data network, SEQ(max) and SEQ(min) are the maximum sequence number and the minimum sequence number of the received voice data packet, respectively, and C is the SEQ(max) and the SEQ(min). The number of missing serial numbers between ).
  • the user equipment collects the received quantity of the received voice data packet in the preset time period, and estimates the downlink data packet duration according to the received voice data packet in the preset time period.
  • the number of the voice data packets sent in the preset time period is calculated according to the received quantity and the number of the transmissions to calculate the packet loss rate of the downlink voice data network, to obtain the downlink voice data network quality parameter.
  • N is the number of frames of the received voice data frame
  • M is the number of frames of the transmitted voice data frame.
  • the user equipment calculates a packet loss rate of the downlink voice data network according to a signal strength of the downlink voice data network and/or a signal to noise ratio of the downlink voice data network, thereby acquiring the downlink.
  • Voice data network quality parameters are included in the user equipment.
  • the downlink voice data network quality parameter is not limited to the packet loss rate of the downlink voice data network, and may also be a signal strength of the downlink voice data network and a signal to noise ratio of the downlink voice data network.
  • the delay of the downlink voice data network is not limited to the packet loss rate of the downlink voice data network, and may also be a signal strength of the downlink voice data network and a signal to noise ratio of the downlink voice data network. The delay of the downlink voice data network.
  • the downlink data packet packing parameter includes a target downlink data packet duration, and determining, according to a preset network quality parameter and a downlink data packet duration, a matching with the downlink voice data network quality parameter.
  • the downlink data packet duration, the correspondence between the preset network quality parameter and the downlink data packet duration includes a mapping relationship between the at least one downlink data packet duration and the downlink voice data network quality parameter.
  • the user equipment when determining the downlink data packet packing parameter, may be determined according to a current voice communication network type of the user equipment, and may be according to a preset voice communication network type and downlink. The correspondence of the packet duration is determined.
  • the user equipment may determine the downlink data packet packing parameter according to the device model of the peer user equipment, and determine the peer device according to the device model of the peer user equipment. Whether the VoLTE user equipment determines the downlink data packet packing parameter according to the preset correspondence between the preset peer device type and the downlink data packet duration.
  • the user equipment may comprehensively consider the impact of the device model of the peer user equipment, the current voice communication network type, and the packet loss rate of the downlink voice data network on the downlink data packet packing parameters.
  • the user equipment when determining the uplink data packet packing parameter, may consider the impact of the packet loss rate of the downlink voice data network, and may change the mode of the fixed uplink data packet packing parameter, and improve the mode. The intelligence and flexibility of the user equipment.
  • a second aspect of the embodiments of the present invention provides a user equipment, including: a parameter obtaining unit, configured to acquire a downlink voice data network quality parameter, and a parameter determining unit, configured to determine a downlink data packet that matches the downlink voice data network quality parameter.
  • Packing parameter a parameter obtaining unit, configured to acquire a downlink voice data network quality parameter, and a parameter determining unit, configured to determine a downlink data packet that matches the downlink voice data network quality parameter.
  • Packing parameter used for multimedia network element Sending an indication message carrying the downlink data packet packing parameter, the indication message is used to instruct the multimedia network element to send a voice data packet to the user equipment according to the downlink data packet packing parameter.
  • a third aspect of the embodiments of the present invention provides another user equipment, where the user equipment includes a processor and a memory, wherein the memory is configured to store computer executable program code, the program code includes an instruction;
  • the instructions stored in the memory to implement the solution in the method design of the first aspect above, and the implementation of each of the possible methods of the first aspect and the first aspect may be referred to due to the implementation and benefit of the user equipment solving the problem.
  • the manner and the beneficial effects, therefore, the implementation of the user equipment can refer to the implementation of the method, and the repeated description will not be repeated.
  • a fourth aspect of the embodiments of the present invention provides a storage medium, which is a non-transitory computer readable storage medium, the non-volatile computer readable storage medium storing at least one program, each of the programs Computer software instructions for use in connection with the method design of the first aspect above, the instructions, when executed by a user equipment having a processor, causing the user equipment to perform each of the possible voice data transmissions of the first aspect and the first aspect method.
  • the downlink voice data network quality parameter is obtained by the user equipment, and the downlink data packet packing parameter matched with the downlink voice data network quality parameter is determined, and the indication message carrying the downlink data packet packing parameter is sent to the multimedia network element.
  • the indication message is used to indicate that the multimedia network element sends the voice data packet to the user equipment according to the downlink data packet packing parameter, so as to dynamically adjust the downlink data packet packing parameter according to the downlink voice data network quality parameter, thereby reducing the loss of the voice data frame, thereby improving the resistance.
  • the jitter of voice packets improves voice quality.
  • FIG. 1 is a network architecture diagram of an embodiment of the present invention
  • FIG. 2 is a flowchart of a voice data transmission method according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of another voice data transmission method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of another user equipment according to an embodiment of the present invention.
  • a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and a computing device can be a component.
  • One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
  • the technical solution of the embodiments of the present invention may be applied to a Long Term Evolution (LTE) communication system architecture, and may also be applied to an architecture in which an LTE communication system interacts with a circuit switched communication system.
  • the circuit switched communication system may include a Universal Mobile Telecommunications System (UMTS) UMTS Terrestrial Radio Access Network (UTRAN), or a Global System for Mobile Communication (GSM)/Enhanced Type.
  • UMTS Universal Mobile Telecommunications System
  • GSM Global System for Mobile Communication
  • GERAN Global System for Mobile Communication
  • EDGERAN Data Rate for GSM Evolution
  • MME Mobility Management Entity
  • GPRS General Packet Radio Service
  • the function of the Serving GateWay (SGW) ⁇ Public Data Network GateWay (PGW) is completed by the Gateway GPRS Support Node (GGSN).
  • the technical solution of the embodiment of the present invention can also be applied to other communication systems, such as a Public Land Mobile Network (PLMN) system, and even a future 5G communication system.
  • PLMN Public Land Mobile Network
  • the user equipment may communicate with one or more core networks via a Radio Access Network (RAN), which may include, but is not limited to, an access terminal, a mobile device, a terminal, or a wireless communication device.
  • RAN Radio Access Network
  • the access terminal may be a landline, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), A wireless communication capable handheld device, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a mobile vehicle device, a wearable device, a terminal device in a future 5G communication system, and the like.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network side device may be a multimedia network element.
  • the multimedia network element may be an IP Multimedia Media Gateway (IM-MGW) in a 4G core network/IP multimedia system (IMS), or a future.
  • IM-MGW IP Multimedia Media Gateway
  • IMS IP multimedia system
  • IM-MGW IP Multimedia Media Gateway
  • IMS 4G core network/IP multimedia system
  • IM-MGW IP Multimedia Media Gateway
  • IM-MGW IP Multimedia Media Gateway
  • IMS IP Multimedia Media Gateway
  • IMS IP Multimedia Media Gateway
  • the voice data is converted by the multimedia network element and then sent to the CS user equipment or the VoLTE user equipment.
  • the CS user equipment refers to a user equipment that adopts the CS technology based on the 2G/3G/Public Switched Telephone Network (PSTN), or adopts a 2G/3G circuit domain and time-division long-term evolution (Time Division Long).
  • PSTN 2G/3G/Public Switched Telephone Network
  • TD-LTE 2G/3G/Public Switched Telephone Network
  • CSFB Circuit Switched Fallback
  • the VoLTE user equipment refers to a user equipment that uses VoLTE in a 4G Long Term Evolution (LTE) network.
  • the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
  • the computer readable medium may include, but is not limited to, a magnetic storage device (eg, a hard disk, a floppy disk, or a magnetic tape, etc.), such as a compact disk (CD), a digital versatile disk (Digital Versatile Disk, DVD). Etc.), smart cards and flash memory devices (eg, Erasable Programmable Read-Only Memory (EPROM), cards, sticks or key drivers, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
  • RTP is a network transmission protocol that specifies the standard packet format for delivering audio and video over the Internet.
  • RTP is widely used in streaming-related communications and entertainment, including telephony, video conferencing, television, and network-based push-to-talk services (like walkie-talkie calls).
  • ptime The duration of the media in a packet, in milliseconds.
  • AMR Adaptive Multi-Rate
  • AMR-WB Adaptive Multi-Rate Wide Band
  • AMR-NB Adaptive Multi-Rate Narrow Band
  • AMR audio frame data The format includes a frame header and voice data.
  • Session Description Protocol Provides a multimedia session description for purposes such as session notification, session invitation, and other forms of multimedia session initialization. Conversation The directory is used to assist with the announcement of the multimedia conference and to transmit relevant setup information to the session participants. SDP is used to transmit this information to the receiving end.
  • Streaming media refers to content that is seen or heard during transmission.
  • the Session Border Controller is an important network node in the IMS network. It is located at the boundary of the IMS network and plays an important role in accessing user equipment to the IMS core network. Its main functions include access admission control, network topology hiding, Network Address Translation (NAT) and NAT traversal, Quality of Service (QoS) and bandwidth policies, and network security mechanisms.
  • SBC Session Border Controller
  • FIG. 1 is a network architecture diagram of an embodiment of the present invention.
  • the network architecture includes a core network, a bearer network, an access network, and user equipment.
  • the core network includes an IP multimedia system domain (4G core network) and a circuit switched domain, and the actual application may include other parts, such as a signaling network, a packet domain, and user data.
  • the specific structure of the IP multimedia system domain includes a plurality of network elements.
  • FIG. 1 shows only the session border controller and the IP multimedia gateway related to the embodiment of the present invention.
  • the specific structure of the circuit switched domain is not shown.
  • the bearer network is used to transport a variety of voice and data services networks, usually using optical fibers as the transmission medium.
  • the access network is divided into an LTE access network and a circuit switched access network.
  • the LTE access network accesses the VoLTE user equipment to the core network through an evolved base station (eNB or eNodeB).
  • the circuit switched access network can access the CS user equipment to the core network through a base station (Base Transceiver Station, BTS) in the GSM system or CDMA, or a base station (NodeB, NB) in the WCDMA system.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • the device 1 is a VoLTE user device
  • the user device 2 and the user device 3 are CS user devices.
  • the three user equipments shown in FIG. 1 are for illustrative purposes only and are not intended to limit the embodiments of the present invention.
  • the VoLTE user equipment can use VoLTE for voice communication under the 4G network, and can use the CS for voice communication under the 2G/3G network.
  • the packet duration of the packet is 20 ms
  • the packet duration of each RTP packet encapsulated by the multimedia network element to the VoLTE user equipment is 240 ms. If the frame duration of each frame of voice data is 20 ms, the multimedia network element sends the packet to the VoLTE user equipment.
  • Each RTP packet contains 12 frames of voice data. If a packet loss occurs during the transmission of the RTP packet, then losing one RTP packet loses 12 frames of voice data.
  • the embodiment of the present invention provides a voice data transmission method and a user equipment, which can dynamically adjust the maxptime according to the network quality parameter, thereby reducing the loss of the voice data frame, thereby improving the anti-voice.
  • the jitter of the packet improves the voice quality.
  • the embodiment of the present invention can also be applied to a scenario in which a VoLTE user equipment switches from VoLTE communication to CS communication.
  • the voice data packets that are sent and sent by the multimedia network element to the VoLTE user equipment in the embodiments of the present invention are all RTP packets, and the data packet packing parameter is used to indicate the parameters of the packaged RTP packet, and the frame of each frame of voice data is assumed.
  • the duration is 20ms, and the frame duration of AMR data per frame is 20ms.
  • FIG. 2 is a flowchart of a voice data transmission method according to an embodiment of the present invention. The method may include steps 201-203:
  • Step 201 The user equipment acquires downlink voice data network quality parameters.
  • Step 202 The user equipment determines a downlink data packet packing parameter that matches the downlink voice data network quality parameter.
  • Step 203 The user equipment sends an indication message carrying the downlink data packet packing parameter to the multimedia network element. It should be noted that the user equipment in this embodiment is a VoLTE user equipment.
  • Steps 201 to 203 in the embodiment shown in FIG. 2 will be described in detail below:
  • the user equipment acquires downlink voice data network quality parameters.
  • the user equipment performs voice communication with the opposite CS user equipment, or the user equipment switches the VoLTE communication to the CS voice communication, and the multimedia network element needs to perform conversion processing on the voice data in the voice communication process.
  • the multimedia network element is equivalent to a transit station, and converts the voice data sent by the CS user equipment according to the data packet packing parameter negotiated with the VoLTE user equipment. And encapsulating and packaging, and transmitting the converted voice data packet to the VoLTE user equipment, thereby implementing normal communication between the VoLTE user equipment and the CS user equipment.
  • the peer CS user equipment packages the voice data according to its preset uplink packing interval, and sends the voice data to the multimedia network element.
  • the default uplink packing interval may be set to 20 ms by default. Generally, the uplink packing interval and the downlink packing interval of the CS user equipment are fixed.
  • the multimedia network element may perform conversion processing on the voice data packet according to the default downlink data packet packing parameter of the user equipment.
  • the multimedia network element may follow the last determined downlink data. The packet packing parameter performs conversion processing on the voice data packet.
  • the mute data packet is silenced according to the duration of the downlink mute data packet.
  • the data is RTP-packed to obtain a voice data packet, where the voice data packet carries a silence identifier, and the silence identifier is used to indicate that the voice data packet is a silent data packet.
  • the downlink muting packet has a duration of 160 ms, including one frame of silence data.
  • the mute indicator may be (9) of the black line identification part of the following figure.
  • the user equipment acquires downlink voice data network quality parameters.
  • the user equipment may acquire the downlink voice data network quality parameter according to the received voice data packet.
  • the received voice data packet may be obtained by converting the voice data packet sent by the multimedia network element to the peer CS user equipment, and the number may be one or multiple, depending on the specific situation. It is not limited here.
  • the downlink voice data network quality parameter may be a packet loss rate of the downlink voice data network, a delay of the downlink voice data network, a signal to noise ratio of the downlink voice data network, and a signal strength of the downlink voice data network.
  • the downlink voice data network quality parameter is a packet loss rate of the downlink voice data network.
  • the user equipment is configured according to the received voice data packet.
  • the serial number is used to calculate a packet loss rate of the downlink voice data network.
  • the user equipment parses the received voice data packet to obtain a sequence number of the received voice data packet, and calculates the downlink voice data network according to the sequence number of the received voice data packet. Packet loss rate.
  • the user equipment calculates a packet loss rate of the downlink voice data network according to a sequence number of the voice data packet received in the preset time period.
  • the specific value of the preset time period is not limited herein and may be set by the user equipment.
  • any user must first occupy a telephone before the call, which is equivalent to applying for a socket; at the same time, to know the other party's number, the equivalent of the other party has a fixed socket. Then dial the call to the other party, which is equivalent to making a connection request (if the other party is not in the same area, but also dial the other area code, which is equivalent to giving the network address). If the other party is present and idle (equivalent to another host connected to the communication and can accept the connection request), pick up the phone microphone, the two parties can formally talk, which is equivalent to the connection is successful.
  • the process of talking between the two parties is a process in which the first party sends a signal and the other party receives a signal from the telephone, which is equivalent to sending data to the socket and receiving data from the socket.
  • the party suspending the phone is equivalent to closing the socket and undoing the connection.
  • the RTP packet is placed in the IMS protocol stack.
  • the RTP packet header is parsed. According to the RFC 3550 protocol, the structure of the RTP header can be seen as follows:
  • the sequence number is the sequence number of the RTP, and the sequence number is incremented by one after each RTP packet is sent, that is, the sequence number of the transmitted RTP packet is sequentially increased.
  • the user equipment may rearrange the RTP packet order according to the serial number. If the received voice data packet has multiple, and is out of order, the user equipment combines the sequence number of the received voice data packet, and calculates the downlink voice according to the first preset calculation formula. Packet loss rate of the data network.
  • SEQ(max) and SEQ(min) are the maximum sequence number and the smallest sequence number of the received speech data packet, respectively, and C is the sequence missing between the SEQ (max) and the SEQ (min) The number of numbers.
  • SEQ(max) and SEQ(min) are respectively a maximum sequence number and a minimum sequence number of the voice data packet received during the preset time period.
  • the first preset calculation formula can be applied to both the out-of-order RTP packet and the sequential RTP packet.
  • the packet loss rate of the downlink voice data network may be calculated without carrying the mute identifier, and the voice data packet carrying the mute identifier may be excluded from calculating the downlink voice data network. Packet loss rate.
  • the user equipment parses the voice data packet received in the preset time period to obtain the downlink data packet duration of the received voice data packet.
  • the user equipment estimates the number of transmissions in the preset time period according to the downlink data packet duration of the received voice data packet. If the received downlink data packet has the same duration and each voice data packet does not carry the mute identifier, the multimedia network is estimated according to the downlink data packet duration in the preset time period.
  • the number of the voice data packets sent by the element for example, the preset time period is 6s, and the downlink data packet duration is 240ms, then the number of the transmission packets is 25. It can be understood that the multimedia network element is within 6s. 25 voice packets were sent.
  • the corresponding number of the same downlink data packet duration is estimated according to each same downlink data packet duration, thereby obtaining a
  • the downlink data packet duration of the first 1 s voice packet is 40 ms, and the number of transmissions of the 1 s is estimated to be 25, and the latter 2 s.
  • the downlink data packet duration of the voice data packet is 80 ms, and the number of transmissions of the 2 s is estimated to be 25, and the estimated number of transmissions within the 3 s is 50.
  • the user equipment collects the received quantity of the voice data packets received in the preset time period. In the case that there is a packet loss, the number of the transmission is different from the number of the received, and the user equipment calculates the downlink voice data according to the number of the transmission, the quantity of the reception, and the second preset calculation formula.
  • N is the number of frames of the received voice data frame
  • M is the number of frames of the transmitted voice data frame.
  • the voice data packet carrying the mute identifier when calculating the packet loss rate of the downlink voice data network, the voice data packet carrying the mute identifier may be considered, and may also be considered to be carried.
  • the user equipment calculates a packet loss rate of the downlink voice data network according to a signal strength of the downlink voice data network and/or a signal to noise ratio of the downlink voice data network.
  • the user equipment calculates a packet loss of the downlink voice data network according to a signal strength of a downlink voice data network of the voice data packet received in the preset time period and/or a signal to noise ratio of the downlink voice data network. rate.
  • the specific calculation method will not be described here.
  • the specific value of the preset time period is not limited herein and may be set by the user equipment.
  • the user equipment acquires a signal strength of a downlink voice data network of the received voice data packet, a signal to noise ratio of the downlink voice data network, a delay of the downlink voice data network, and the like, and One or more of the determinations are the downlink voice data network quality parameters.
  • the user equipment determines a downlink data packet packing parameter that matches the downlink voice data network quality parameter.
  • the downlink data packet packing parameter may include a target downlink data packet duration (maxptime), and the target downlink data packet duration is sent to the user equipment in the next or next period or the next time period of the multimedia network element.
  • the duration of the downstream packet corresponding to the voice packet may include a target downlink data packet duration (maxptime), and the target downlink data packet duration is sent to the user equipment in the next or next period or the next time period of the multimedia network element.
  • the value of maxptime can be relaxed when the quality of the downlink voice data network is relatively good, such as 80 ms. In the case where the quality of the downlink voice data network is relatively decreased, the value of maxptime can be reduced. Even for 20ms.
  • the following information is as follows:
  • the downlink voice data network quality parameter is a packet loss rate of the downlink voice data network
  • the user equipment sets a corresponding maxptime according to a packet loss rate of different downlink voice data networks.
  • the user equipment determines whether the downlink data packet duration of the received voice data packet matches the downlink voice data network quality parameter, and may adopt preset network quality parameters and downlink data. The correspondence of the packet duration is judged whether it matches. If the downlink data packet duration of the received voice data packet does not match the downlink voice data network quality parameter, the user equipment searches for the corresponding relationship between the preset network quality parameter and the downlink data packet duration. The duration of the downlink data packet matched with the downlink voice data network quality parameter, and determines the duration of the target downlink data packet. If the downlink data packet duration of the received voice data packet matches the downlink voice data network quality parameter, no processing is performed.
  • the mapping between the preset network quality parameter and the downlink data packet duration includes a mapping relationship between each downlink packet duration and a downlink voice data network quality parameter range of the at least one downlink packet duration, for example,
  • the user equipment when determining the downlink data packet packing parameter, may be determined according to a current voice communication network type of the user equipment, and may be according to a preset voice communication network type and downlink.
  • the correspondence of the packet duration is determined. For example, if the current voice communication network type is 4G, the maxptime corresponding to 4G is determined according to the correspondence between the preset voice communication network type and the downlink data packet duration.
  • the user equipment may determine the downlink data packet packing parameter according to the device model of the peer user equipment, and determine the peer device according to the device model of the peer user equipment. Whether the VoLTE user equipment determines the downlink data packet packing parameter according to the preset correspondence between the preset peer device type and the downlink data packet duration. For example, if the peer user equipment is identified as a VoLTE user equipment, the user equipment may select a larger maxptime; if it is not a VoLTE user equipment, the user equipment may select a smaller maxptime.
  • the user equipment may package the downlink data packet by considering the device model of the peer user equipment, the current voice communication network type, and the packet loss rate of the downlink voice data network. The impact of the parameters.
  • the user equipment may consider the impact of the downlink voice data network quality parameter in the process of determining an uplink data packet packing parameter (uplink data packet duration).
  • the user equipment sends, to the multimedia network element, an indication message that carries the downlink data packet packing parameter.
  • the user equipment sends an indication message carrying the downlink data packet packing parameter to the multimedia network element.
  • the indication message is used to indicate that the multimedia network element sends a voice data packet to the user equipment according to the downlink data packet packing parameter, that is, the multimedia network element may send to the office according to the downlink data packet packing parameter.
  • the voice data packet of the user equipment is converted and sent. Conversion processing, that is, changing the number of frames included in a voice packet.
  • the indication message indicates that the multimedia network element sends a voice data packet to the user equipment in a preset time period according to the downlink data packet packing parameter. It may be understood that the indication message indicates the multimedia The network element sends a voice data packet to the user equipment according to the downlink data packet packing parameter in the next or next period or the next time period.
  • the specific value of the preset time period in the step may be the same as the specific value of the preset time period in step 201, and the multimedia network element may periodically adjust the downlink data packet packing parameter; the preset time in the step
  • the specific value of the segment may also be different from the specific value in step 201, so that the flexibility of the multimedia network element to adjust the downlink packet packing parameter is higher.
  • the specific value of the preset time period in the step may be set by the multimedia network element, and the specific value is not limited herein.
  • the indication message may be a negotiation message, and the negotiation message may be an SDP request message, where the SDP request message includes a maxptime and a ptime.
  • the maxptime is used to instruct the multimedia network element to send voice data to the user equipment according to the maxptime.
  • the packet, the ptime is used to inform the multimedia network element that the user equipment will send the voice data packet according to the ptime.
  • the ptime may be the default of the user equipment system, or may be determined according to the network quality parameter, and is not limited herein.
  • the multimedia network element may feed back an SDP response message to the user equipment, where the SDP response message also includes a maxptime and a ptime.
  • the maxptime is used to notify the user equipment of the multimedia network.
  • the data packet duration of the meta-send voice data packet is maxptime
  • the ptime is used to indicate that the data packet duration of the voice data packet received by the multimedia network element is ptime.
  • the user equipment may parse the received voice data packet according to maxptime in the SDP response message, thereby acquiring a voice data frame.
  • the downlink voice data network quality parameter is obtained by the user equipment, and the downlink data packet packing parameter matched with the downlink voice data network quality parameter is determined, and the indication message carrying the downlink data packet packing parameter is sent to the multimedia network element.
  • the indication message is used to indicate that the multimedia network element sends the voice data packet to the user equipment according to the downlink data packet packing parameter, so as to dynamically adjust the downlink data packet packing parameter according to the downlink voice data network quality parameter, thereby reducing the loss of the voice data frame, thereby improving the resistance.
  • the jitter of voice packets improves voice quality.
  • FIG. 3 is a flowchart of a method for transmitting voice data according to an embodiment of the present invention.
  • the method may include steps 301-306:
  • Step 301 User equipment A acquires a packet loss rate of the downlink voice data network.
  • Step 302 The user equipment A determines a target downlink data packet duration that matches a packet loss rate of the downlink voice data network.
  • Step 303 The user equipment A sends an indication message carrying the duration of the target downlink data packet to the multimedia network element.
  • Step 304 User equipment B sends a first voice data packet to the multimedia network element.
  • Step 305 The multimedia network element performs a conversion process on the first voice data packet according to the target downlink data packet duration to obtain a second voice data packet.
  • Step 306 The multimedia network element sends the second voice data packet to the user equipment A.
  • the packet loss rate of the downlink voice data network quality parameter is described below, and the user equipment B is the voice communication.
  • the calling end is a CS user equipment;
  • the user equipment A is a called end of voice communication, which is a VoLTE user equipment;
  • the multimedia network element performs conversion processing on the voice data between the user equipment B and the user equipment A.
  • the number of the first voice data packet and the second voice data packet may be one or more, which may be determined according to specific conditions, and is not limited herein.
  • Steps 301 to 306 in the embodiment shown in FIG. 3 will be described in detail below:
  • the user equipment A acquires a packet loss rate of the downlink voice data network.
  • the user equipment A needs to obtain the downlink packet loss rate because the user equipment A cannot completely receive the downlink voice data packet.
  • the method for obtaining the packet loss rate of the downlink voice data network refer to the description in step 201 in the embodiment shown in FIG. This will not be repeated here.
  • the user equipment A determines a target downlink data packet duration that matches a packet loss rate of the downlink voice data network.
  • the user equipment A determines a downlink data packet duration that matches a packet loss rate of the downlink voice data network according to a preset correspondence between a packet loss rate of the downlink voice data network and a downlink data packet duration.
  • the mapping between the preset network quality parameter and the downlink data packet duration includes a mapping relationship between a packet loss rate of at least one downlink voice data network and a downlink data packet duration.
  • the user equipment A sends an indication message that carries the duration of the target downlink data packet to the multimedia network element.
  • the user equipment A sends an indication message carrying the target downlink data packet duration to the multimedia network element, and instructs the multimedia network element to follow the target downlink in the next or next period or the next time period.
  • the packet duration translates and sends a voice packet to the user equipment A.
  • User equipment B sends a first voice data packet to the multimedia network element.
  • the duration of the uplink data packet of the first voice data packet is the default uplink data packet duration of the user equipment B system.
  • Step 304 is performed after the last voice data packet is sent, or after the last voice data packet is sent to the multimedia network element, and is not necessarily limited to be executed after step 303. It can be understood that the last voice data packet is sent by the user equipment B to the multimedia network element before step 301.
  • the multimedia network element performs a conversion process on the voice data packet according to the target downlink data packet duration to obtain a second voice data packet.
  • the multimedia network element performs a conversion process on the first voice data packet according to the target downlink data packet duration sent by the user equipment A to obtain a second voice data packet, that is, the second voice data packet.
  • the duration of the downlink data packet is the duration of the target downlink data packet.
  • the multimedia network element sends the second voice data packet to user equipment A.
  • the user equipment A calculates the packet loss rate of the downlink voice data network according to the received voice data packet, determines the downlink data packet duration according to the packet loss rate of the downlink voice data network, and sends the determined downlink data packet duration.
  • the multimedia network element sends the voice data packet to the user equipment A according to the determined downlink data packet duration, thereby dynamically adjusting the data packet duration according to the packet loss rate of the downlink voice data network, thereby improving the jitter resistance of the voice packet. Improve voice quality.
  • FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment 40 includes a parameter obtaining unit 401, a parameter determining unit 402, and a message sending unit 403, where:
  • the parameter obtaining unit 401 is configured to acquire a downlink voice data network quality parameter.
  • the downlink voice data network quality parameter includes a packet loss rate of the downlink voice data network.
  • the parameter obtaining unit 401 is specifically configured to calculate a packet loss rate of the downlink voice data network according to the sequence number of the received voice data packet.
  • the parameter obtaining unit 401 includes a duration acquiring unit, a quantity calculating unit, a quantity counting unit, and a parameter calculating unit, which are not indicated in FIG. 4 .
  • a time length obtaining unit configured to acquire a downlink data packet duration of the received voice data packet in the preset time period
  • a quantity calculation unit configured to calculate, according to the downlink data packet duration, a number of sent voice data packets sent in the preset time period
  • a quantity statistics unit configured to count the received quantity of the voice data packets received in the preset time period
  • a parameter calculation unit configured to calculate a packet loss rate of the downlink voice data network according to the number of the transmissions and the received quantity.
  • the parameter obtaining unit is specifically configured to calculate a packet loss rate of the downlink voice data network according to a signal strength and/or a signal to noise ratio of the received voice data packet.
  • the downlink voice data network quality parameter includes a signal strength of the downlink voice data network, a signal to noise ratio of the downlink voice data network, and a delay of the downlink voice data network.
  • the parameter determining unit 402 is configured to determine a downlink data packet packing parameter that matches the downlink voice data network quality parameter
  • the downlink data packet packing parameter includes a target downlink data packet duration
  • the parameter determining unit 402 is specifically configured to determine, according to a preset network quality parameter and a downlink data packet duration, a location that matches the network quality parameter.
  • the duration of the target downlink data packet, the mapping between the preset network quality parameter and the downlink data packet duration includes mapping between each downlink packet duration and the downlink voice data network quality parameter range of the at least one downlink packet duration relationship.
  • the message sending unit 403 is configured to send, to the multimedia network element, an indication message that carries the downlink data packet packing parameter, where the indication message is used to indicate that the multimedia network element is packaged according to the downlink data packet. Transmitting a voice data packet to the user equipment;
  • the parameter obtaining unit 401 is configured to perform step 201 in the embodiment shown in FIG. 2 and step 301 in the embodiment shown in FIG. 3; the parameter determining unit 402 is configured to execute the embodiment shown in FIG. Step 202, step 302 in the embodiment shown in FIG. 3; the message sending unit 403 is configured to perform step 203 in the embodiment shown in FIG. 2 and step 303 in the embodiment shown in FIG.
  • the parameter obtaining unit 401 and the parameter determining unit 402 may be a processor or a controller, for example, a central processing unit (CPU), a general-purpose processor, and a digital signal processor (DSP). , Application-Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the above message transmitting unit 403 can be a communication module, a radio frequency circuit or the like.
  • the user equipment in the embodiment of the present invention may be the user equipment shown in FIG. 5.
  • FIG. 5 is a schematic structural diagram of another user equipment according to an embodiment of the present invention.
  • the user equipment 50 includes a radio frequency circuit 510, a memory 520, other input devices 530, a display screen 540, a sensor 550, an audio circuit 560, and an input. / Output system 570, processor 580 and power supply 590.
  • the structure of the user equipment shown in FIG. 5 does not constitute a limitation on the user equipment, may include more or less components than illustrated, or combine some components, or split certain Parts, or different parts.
  • display screen 540 is a User Interface (UI) and that user device 50 may include more or fewer user interfaces than illustrated.
  • UI User Interface
  • the radio frequency circuit 510 can be used for receiving and transmitting signals during the transmission or reception of information or during a call. In particular, after receiving the downlink information of the base station or the multimedia network element, the processing is processed by the processor 580. In addition, the uplink data is designed to be sent to the base station or Multimedia network element.
  • radio frequency circuits include, but are not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • radio frequency circuit 510 can also communicate with the network and other devices via wireless communication. In the embodiment of the present invention, the radio frequency circuit 510 is configured to perform 203 in the embodiment shown in FIG. 2, and the step 303, the step 303, and the receiving step 306 corresponding to the user equipment A in the embodiment shown in FIG. The second voice data packet and the corresponding 304 of the user equipment B.
  • the memory 520 can be used to store software programs and modules for storing computer executable program code, the program code including instructions; the processor 580 executing the user equipment 50 by running software programs and modules stored in the memory 520 Various functional applications and data processing.
  • the memory 520 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function, and the like; the storage data area may store data created according to the usage of the user device 50 (eg, Audio data, phone book, etc.).
  • memory 520 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • Other input devices 530 can be used to receive input numeric or character information, as well as to generate key signal inputs related to user settings and function controls of user device 50.
  • other input devices 530 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and light mice (the light mouse is not sensitive to display visual output).
  • function keys such as volume control buttons, switch buttons, etc.
  • trackballs mice, joysticks, and light mice (the light mouse is not sensitive to display visual output).
  • Other input devices 530 are coupled to other input device controllers 571 of input/output system 570 and are in signal communication with processor 580 under the control of other device input controllers 571.
  • the display screen 540 can be used to display information entered by the user or information provided to the user as well as various menus of the user device 50, and can also receive user input.
  • User device 50 may also include at least one type of sensor 550, such as a light sensor, motion sensor, and other sensors.
  • sensor 550 such as a light sensor, motion sensor, and other sensors.
  • Audio circuit 560, speaker 561, microphone 562 can provide an audio interface between the user and user device 50.
  • the audio circuit 560 can transmit the converted audio data to the speaker 561 and convert it into a sound signal output by the speaker 561.
  • the microphone 562 converts the collected sound signal into a signal, which is received by the audio circuit 560.
  • the audio data is converted to audio data, and the audio data is output to the radio frequency circuit 510 for transmission to, for example, another user equipment, or the audio data is output to the memory 520 for further processing.
  • the input/output system 570 is used to control external devices for input and output, and may include other device input controllers 571, sensor controllers 572, and display controllers 573.
  • one or more of its His input control device controller 571 receives signals from other input devices 530 and/or sends signals to other input devices 530.
  • Other input devices 530 may include physical buttons (press buttons, rocker buttons, etc.), dials, slide switches, manipulations Rod, click wheel, light mouse (light mouse is a touch sensitive surface that does not display visual output, or an extension of a touch sensitive surface formed by a touch screen). It is worth noting that other input control device controllers 571 can be connected to any one or more of the above devices.
  • Display controller 573 in input/output system 570 receives signals from display screen 540 and/or transmits signals to display screen 540.
  • the processor 580 is the control center of the user device 50, connects various portions of the entire user device 50 using various interfaces and lines, executes the user by running or executing instructions stored in the memory 520, and recalling data stored in the memory 520. Various functions and processing data of device 50.
  • the processor 580 is configured to execute 201, 202 in the embodiment shown in FIG. 2, and 301, 302 in the embodiment shown in FIG.
  • a power source 590 (such as a battery), preferably, the power source can be logically coupled to the processor 580 through a power management system to manage functions such as charging, discharging, and power consumption through the power management system.
  • An embodiment of the present invention further provides a storage medium, which is a non-transitory computer readable storage medium, the non-volatile computer readable storage medium storing at least one program, each of the programs including an instruction
  • the instruction when executed by a user equipment having a processor, causes the user equipment to perform a voice data transmission method provided by an embodiment of the present invention.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium may include a random access memory (RAM), a read-only memory (ROM), and an electrically erasable programmable read-only memory (Electrically Erasable Programmable).
  • EEPROM Electrically Error Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • Any connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, Then coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, wireless and microwave are included in the fixing of the associated medium.
  • DSL Digital Subscriber Line
  • a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de transmission de données vocales et un dispositif utilisateur, ce procédé comprenant les étapes suivantes selon lesquelles un dispositif utilisateur : acquiert des paramètres de qualité de réseau de données vocales de liaison descendante ; détermine des paramètres de conditionnement de paquet de données de liaison descendante correspondant aux paramètres de qualité de réseau de données vocales de liaison descendante ; envoie à un élément de réseau multimédia un message d'instruction transportant les paramètres de conditionnement de paquet de données de liaison descendante, ce message d'instruction étant utilisé pour ordonner à l'élément de réseau multimédia d'envoyer des paquets de données vocales au dispositif utilisateur sur la base des paramètres de conditionnement de paquet de données de liaison descendante. Les modes de réalisation de la présente invention peuvent réduire la perte de trame de données vocales, améliorant ainsi l'anti-gigue de paquet vocal et la qualité vocale.
PCT/CN2016/104138 2016-10-31 2016-10-31 Procédé de transmission de données vocales, dispositif utilisateur, et support de stockage WO2018076376A1 (fr)

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CN201680090276.0A CN109891784A (zh) 2016-10-31 2016-10-31 一种语音数据传输方法、用户设备以及存储介质

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