CN114339640A - ROHC-based 5G voice transmission method - Google Patents
ROHC-based 5G voice transmission method Download PDFInfo
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- CN114339640A CN114339640A CN202210023910.6A CN202210023910A CN114339640A CN 114339640 A CN114339640 A CN 114339640A CN 202210023910 A CN202210023910 A CN 202210023910A CN 114339640 A CN114339640 A CN 114339640A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention discloses a 5G voice transmission method based on ROHC, which ensures that a decompression end can decompress correctly and the communication is smooth. The invention discloses a 5G voice transmission method based on ROHC, when a base station decompression end fails to continuously decompress voice signals, the compression end is indicated to send an empty compression packet only containing feedback information to UE; when the first base station decompression end fails to continuously decompress the first voice signal, the first base station compression end is instructed to send feedback information 1 to the UE 1; when the second base station decompression end fails to continuously decompress the second voice signal, the second base station compression end is instructed to send feedback information 2 to the UE 2.
Description
One, the technical field
The invention belongs to the technical field of communication, and particularly relates to a 5G voice transmission method based on ROHC.
Second, background Art
ROHC is known as Robust Header Compression, i.e. Robust Header Compression. In wireless communication services, some transport protocols are used, such as TCP/IP, RTP/UDP/IP, etc. The headers of these protocols are regular and a large part of them are not changed during transmission, and when the data of a single transmission is shorter than the header, the header becomes a cumbersome one. Therefore, the header can be compressed by using the change rule of the header, and the transmission efficiency is improved.
5G Voice transmission (5G VoNR, i.e., 5G Voice over NR), Voice traffic is carried on a 5G radio access NR, i.e., gNB. The process is shown in figure 1. The method comprises the following steps:
(100) the first base station decompresses the first voice signal sent by the sending end of the UE1 and generates feedback information 1;
(200) the first voice signal decompressed by the first base station is transmitted to the second base station through the core network;
(300) the second base station compresses the first voice signal from the core network; meanwhile, carrying the feedback information 2 in a compressed packet;
(400) the first voice signal compressed by the second base station and the feedback information 2 are transmitted to the receiving end of the UE 2;
the UE2 sending end will update the compression status and the compressed packet format according to the feedback information 2 to ensure that the second base station decompression end can decompress correctly.
(500) The second base station decompresses the second voice signal sent by the sending end of the UE2, and generates feedback information 2;
(600) the second voice signal decompressed by the second base station is transmitted to the first base station through the core network;
(700) the first base station compresses a second voice signal from the core network; simultaneously, carrying the feedback information 1 in a compressed packet;
(800) the second voice signal compressed by the first base station and the feedback information 1 are transmitted to the UE1 receiving end.
The UE1 sending end will update the compression status and the compressed packet format according to the feedback information 1 to ensure that the first base station decompression end can decompress correctly.
The two UEs can send the feedback information to the terminal after one side fails to decompress through the voice transmission process of the base station eNodeB and the core network, thereby ensuring that the decompression end can decompress correctly.
However, when decompression fails on both sides, both terminals cannot receive feedback information, so that the compressor of the terminal cannot correct the compression state in time all the time, resulting in endless loop and interrupted communication. That is, because decompression fails at parts (two and five), no downlink data exists at parts (three and six), and the feedback information cannot be issued accordingly.
Third, the invention
The invention aims to provide a 5G voice transmission method based on ROHC, which ensures that a decompression end can decompress correctly and the communication is smooth.
The technical solution for realizing the purpose of the invention is as follows:
A5G voice transmission method based on ROHC indicates a compression end to send a null compression packet only containing feedback information to UE when a base station decompression end fails to continuously decompress voice signals.
When the first base station decompression end fails to continuously decompress the first voice signal, the first base station compression end is instructed to send feedback information 1 to the UE 1.
When the second base station decompression end fails to continuously decompress the second voice signal, the second base station compression end is instructed to send feedback information 2 to the UE 2.
Compared with the prior art, the invention has the following remarkable advantages:
the decompression end can be ensured to decompress correctly, and the communication is smooth: when the decompressor fails to continuously decompress N data packets, the invention sends a feedback information sending indication message to the compressor and informs the compression end to send an empty compression packet only containing feedback information to the terminal, thus the decompression failure at both sides can also send the feedback information to the terminal under the condition of no downlink data excitation of the third and sixth, thereby the terminal can correct the compression state in time and send the correct compression packet, thereby the data transmission can be quickly recovered and the communication quality can be improved.
Description of the drawings
Fig. 1 is a schematic diagram of the operation of a 5G voice transmission method in the prior art.
Fig. 2 is a working schematic diagram of the ROHC-based 5G voice transmission method of the present invention.
Fig. 3 is a main flow chart of the ROHC-based 5G voice transmission method of the present invention.
Fifth, detailed description of the invention
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 2 is a working schematic diagram of the ROHC-based 5G voice transmission method of the present invention.
The invention relates to a 5G voice transmission method based on ROHC, which is characterized in that when a base station decompression end fails to continuously decompress voice signals, the compression end is indicated to send a null compression packet only containing feedback information to UE.
Taking the voice transmission between two UEs as an example,
when the first base station decompression end fails to continuously decompress the first voice signal, the first base station compression end is instructed to send feedback information 1 to the UE 1.
When the second base station decompression end fails to continuously decompress the second voice signal, the second base station compression end is instructed to send feedback information 2 to the UE 2.
As shown in fig. 2, when the decompressor fails to continuously decompress N data packets, a feedback information sending indication message is sent to the compressor, and the compression end is notified to send a null compression packet only containing feedback information to the terminal, so that the feedback information can be sent to the terminal under the condition of no downlink data excitation of the third and sixth, and the terminal can correct the compression state in time and send a correct compression packet, thereby quickly recovering data transmission and improving communication quality.
Fig. 3 is a main flow chart of the ROHC-based 5G voice transmission method of the present invention.
As shown in fig. 3, the inventive ROHC-based 5G voice transmission method includes the following steps:
(10) decompression of the first speech signal: the first base station decompresses the first voice signal sent by the sending end of the UE1 to generate feedback information 1;
(15) and judging the success of the first decompression: judging whether the first voice signal decompression is successful or not, if not, recording the continuous decompression failure times N, and when the continuous decompression failure times N reach the decompression failure times threshold value N, turning to (50) a step of sending feedback information 1; if the continuous decompression fails, resetting the continuous decompression failure times and continuing;
(20) the transmission between the first voice signal base stations: the first voice signal decompressed by the first base station is transmitted to the second base station through the core network;
(30) first speech signal compression: the second base station compresses the first voice signal from the core network; meanwhile, carrying the feedback information 2 in a compressed packet;
(40) first voice signal reception: the first voice signal compressed by the second base station and the feedback information 2 are transmitted to the UE2 receiving end; the transmission of the first voice signal is finished;
(50) feedback information 1 sending: the first base station decompression end sends a feedback information sending instruction to the first base station compression end, and the first base station compression end sends the feedback information 1 to the UE1 according to the instruction; the UE1 updates the compression state and the compression packet format of the next voice signal according to the feedback information 1; the transmission of the first voice signal is finished;
(60) decompressing the second voice signal: the second base station decompresses the second voice signal sent by the sending end of the UE2 to generate feedback information 2;
(65) and judging the second decompression success: judging whether the second voice signal is successfully decompressed, if not, recording the continuous decompression failure times N, and when the continuous decompression failure times N reach a decompression failure time threshold value N, turning to (100) a feedback information 2 sending step; if the continuous decompression fails, resetting the continuous decompression failure times and continuing;
(70) and transmission between the second voice signal base stations: the second voice signal decompressed by the second base station is transmitted to the first base station through the core network;
(80) and second voice signal compression: the first base station compresses a second voice signal from the core network; simultaneously, carrying the feedback information 1 in a compressed packet;
(90) and receiving a second voice signal: the second voice signal compressed by the first base station and the feedback information 1 are transmitted to the UE1 receiving end; the transmission of the second voice signal is finished;
(100) feedback information 2 sending: the second base station decompression end sends a feedback information sending instruction to the second base station compression end, and the second base station compression end sends the feedback information 2 to the UE2 according to the instruction; the UE2 updates the compression state and the compression packet format of the next voice signal according to the feedback information 2; the second voice signal transmission ends.
The UE1 sending end will update the compression status and the compressed packet format according to the feedback information 1 to ensure that the first base station decompression end can decompress correctly.
The UE2 sending end will update the compression status and the compressed packet format according to the feedback information 2 to ensure that the second base station decompression end can decompress correctly.
The invention discloses a ROHC-based 5G voice transmission method, which comprises the following steps from the perspective of a first user end UE 1:
the UE1 sends a first voice signal to a first base station;
the UE1 receives the compressed packet from the first base station;
the UE1 parses the compressed packet;
if the compressed packet only contains the feedback information 1, the UE1 updates the compression state and the compressed packet format according to the feedback information 1 to ensure that the first base station decompression end can decompress correctly.
The invention discloses a ROHC-based 5G voice transmission method, which comprises the following steps from the perspective of a second user end UE 2:
the UE2 sends a second voice signal to the second base station;
the UE2 receives the compressed packet from the second base station;
the UE2 parses the compressed packet;
if the compressed packet only contains the feedback information 2, the UE2 updates the compression status and the compressed packet format according to the feedback information 2, so as to ensure that the second base station decompression end can decompress correctly.
Claims (6)
1. A5G voice transmission method based on ROHC is characterized in that:
and when the base station decompression end fails to continuously decompress the voice signals, the base station decompression end is instructed to send a null compression packet only containing feedback information to the UE.
2. The 5G voice transmission method according to claim 1, wherein:
when the first base station decompression end fails to continuously decompress the first voice signal, the first base station compression end is instructed to send feedback information 1 to the UE 1.
3. The 5G voice transmission method according to claim 1, wherein:
when the second base station decompression end fails to continuously decompress the second voice signal, the second base station compression end is instructed to send feedback information 2 to the UE 2.
4. A ROHC-based 5G voice transmission method is characterized by comprising the following steps:
(10) decompression of the first speech signal: the first base station decompresses the first voice signal sent by the sending end of the UE1 to generate feedback information 1;
(15) and judging the success of the first decompression: judging whether the first voice signal decompression is successful or not, if not, recording the continuous decompression failure times N, and when the continuous decompression failure times N reach the decompression failure times threshold value N, turning to (50) a step of sending feedback information 1; if the continuous decompression fails, resetting the continuous decompression failure times and continuing;
(20) the transmission between the first voice signal base stations: the first voice signal decompressed by the first base station is transmitted to the second base station through the core network;
(30) first speech signal compression: the second base station compresses the first voice signal from the core network; meanwhile, carrying the feedback information 2 in a compressed packet;
(40) first voice signal reception: the first voice signal compressed by the second base station and the feedback information 2 are transmitted to the UE2 receiving end; the transmission of the first voice signal is finished;
(50) feedback information 1 sending: the first base station decompression end sends a feedback information sending instruction to the first base station compression end, and the first base station compression end sends the feedback information 1 as a compression packet to the UE1 according to the instruction; the UE1 updates the compression state and the compression packet format of the next voice signal according to the feedback information 1; the transmission of the first voice signal is finished;
(60) decompressing the second voice signal: the second base station decompresses the second voice signal sent by the sending end of the UE2 to generate feedback information 2;
(65) and judging the second decompression success: judging whether the second voice signal is successfully decompressed, if not, recording the continuous decompression failure times N, and when the continuous decompression failure times N reach a decompression failure time threshold value N, turning to (100) a feedback information 2 sending step; if the continuous decompression fails, resetting the continuous decompression failure times and continuing;
(70) and transmission between the second voice signal base stations: the second voice signal decompressed by the second base station is transmitted to the first base station through the core network;
(80) and second voice signal compression: the first base station compresses a second voice signal from the core network; simultaneously, carrying the feedback information 1 in a compressed packet;
(90) and receiving a second voice signal: the second voice signal compressed by the first base station and the feedback information 1 are transmitted to the UE1 receiving end; the transmission of the second voice signal is finished;
(100) feedback information 2 sending: the second base station decompression end sends a feedback information sending instruction to the second base station compression end, and the second base station compression end sends the feedback information 2 as a compression packet to the UE2 according to the instruction; the UE2 updates the compression state and the compression packet format of the next voice signal according to the feedback information 2; the second voice signal transmission ends.
5. A ROHC-based 5G voice transmission method is characterized by comprising the following steps:
the UE1 sends a first voice signal to a first base station;
the UE1 receives the compressed packet from the first base station;
the UE1 parses the compressed packet;
if the compressed packet only contains the feedback information 1, the UE1 updates the compression state and the compressed packet format according to the feedback information 1 to ensure that the first base station decompression end can decompress correctly.
6. A ROHC-based 5G voice transmission method is characterized by comprising the following steps:
the UE2 sends a second voice signal to the second base station;
the UE2 receives the compressed packet from the second base station;
the UE2 parses the compressed packet;
if the compressed packet only contains the feedback information 2, the UE2 updates the compression status and the compressed packet format according to the feedback information 2, so as to ensure that the second base station decompression end can decompress correctly.
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