CN110289939B - Base station and system for RB (radio bearer) level retransmission - Google Patents
Base station and system for RB (radio bearer) level retransmission Download PDFInfo
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- CN110289939B CN110289939B CN201910547273.0A CN201910547273A CN110289939B CN 110289939 B CN110289939 B CN 110289939B CN 201910547273 A CN201910547273 A CN 201910547273A CN 110289939 B CN110289939 B CN 110289939B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1816—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of the same, encoded, message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
Abstract
The invention discloses a base station and a system for RB level retransmission, wherein the base station comprises: the first data analysis module is used for analyzing the air interface data sent by the terminal; if the analysis is unsuccessful, reporting the position of the interfered RB to a transmission module; the transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the terminal; the first retransmission module is used for retransmitting the RB after receiving the RB notification information retransmitted by the terminal; the second data analysis module is used for receiving the RB retransmitted by the terminal and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the transmission module by a complete data packet. The invention only retransmits the interfered RB, thereby avoiding the retransmission of the whole empty data packet and saving the empty resource.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a base station and a system for RB-level retransmission.
Background
In the existing national power communication system, wireless communication is mostly communication equipment based on radio stations, and the power system is relying on the radio stations to ensure communication of the power system so as to maintain safe operation of a national power grid. Meanwhile, the national power system is also planning a new generation communication system of national power based on the current broadband system.
This leads to the coexistence of radio stations and new generation broadband communication technologies in the national grid for a period of time in the future, and this trend is still long due to the advantages of the unique confidentiality of the radio stations and the like, in view of the importance of the national grid to the national security.
At present, a national power grid uses a RB bandwidth which is consistent with a radio station bandwidth, a frequency modulation technology is used for realizing interference randomization, code block grouping retransmission or base station periodic measurement of an interfered RB, a terminal is informed of the interfered RB (the RB is used by the radio station), and air interface interference caused by air interface resources used by the radio station to a broadband is avoided in broadband communication realized by the technologies such as the RB and the like through an air interface.
These techniques do improve in some degree of effectiveness, but they have relatively large side effects. After the interference randomization, the selection order of the idle mcs of the RB resources used by the whole user is lower; the grouping and retransmission of code blocks result in the retransmission of code block groups, and the resource waste is caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in view of the above problems, a base station and a system for RB level retransmission are provided.
The invention provides a base station for RB level retransmission, which comprises:
the first data analysis module is used for analyzing the air interface data sent by the terminal, detecting the air interface interference of each RB in the process of analyzing the air interface data sent by the terminal, and recording the interfered RB; if the analysis is unsuccessful, reporting the position of the interfered RB to a transmission module;
the transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the terminal;
the first retransmission module is used for retransmitting the RB after receiving the RB notification information retransmitted by the terminal;
the second data analysis module is used for receiving the RB retransmitted by the terminal and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the transmission module by a complete data packet.
Further, if the first data analysis module successfully analyzes, the air interface data is directly reported to the data transmission module.
Further, the transmission module sends the RB notification information for retransmission to the terminal through DCI or MCE.
Further, the RB notification message includes location information of the interfered RB and a location policy of the RB resource used by the RB to be retransmitted relative to the authorized air interface resource.
Further, when the first retransmission module retransmits the RB, the first retransmission module retransmits the RB according to the position information of the interfered RB included in the retransmission RB notification information transmitted by the terminal.
Further, when the retransmission module performs RB retransmission, the transmission power is adjusted or the RB resources used for retransmission are retransmitted according to the channel quality of the authorized air interface resources.
The invention also provides a system for RB level retransmission, which comprises: terminal and base station for RB level retransmissions according to any of the claims 1 to 6.
Further, the terminal includes:
the third data analysis module is used for analyzing the air interface data sent by the base station, detecting the air interface interference of each RB in the process of analyzing the air interface data sent by the base station, and recording the interfered RB; if the analysis is unsuccessful, reporting the position of the interfered RB to a transmission module;
the data transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the base station;
the second retransmission module is used for retransmitting the RB after receiving the RB notification information retransmitted by the base station;
the fourth data analysis module is used for receiving the RB retransmitted by the base station and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the data transmission module by a complete data packet.
Further, when the second retransmission module retransmits the RB, the RB is retransmitted according to the location information of the interfered RB included in the retransmission RB notification information sent by the base station and the location policy of the RB resource used by the retransmission RB relative to the authorized air interface resource.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention only retransmits the interfered RB resource, avoids the retransmission of the whole empty data, saves the empty resource, fully adapts to the frequency modulation technology of the radio station and avoids the interference caused by the frequency modulation of the radio station.
2. The invention realizes that new transmission and retransmission can be carried out simultaneously, and can ensure the air interface throughput rate of data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a block diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
As shown in fig. 1, the base station for RB level retransmission provided in this embodiment is used for data transmission with a terminal, so as to form a system for RB level retransmission. That is, the system for RB level retransmission includes a base station and a terminal;
wherein the base station comprises:
the first data analysis module is used for analyzing the air interface data sent by the terminal, detecting the air interface interference of each RB in the process of analyzing the air interface data sent by the terminal, and recording the interfered RB; if the analysis is unsuccessful, reporting the position of the interfered RB to a transmission module; on the other hand, if the analysis is successful, the air interface data is directly reported to the transmission module.
The transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the terminal; in this embodiment, the transmission module sends the RB notification Information for retransmission to the terminal through DCI (Downlink Control Information) or MCE (MAC Control Element).
And the first retransmission module is used for retransmitting the RB after the terminal retransmits the RB notification information.
The second data analysis module is used for receiving the RB retransmitted by the terminal and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the transmission module by a complete data packet.
Wherein, the terminal includes:
the third data analysis module is used for analyzing the air interface data sent by the base station, detecting the air interface interference of each RB in the process of analyzing the air interface data sent by the base station, and recording the interfered RB; if the analysis is unsuccessful, reporting the position of the interfered RB to the data transmission module; on the other hand, if the analysis is successful, the air interface data is directly reported to the data transmission module.
The data transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the base station; in this embodiment, the data transmission module sends the RB notification message to the base station through an MCE (MAC control Element).
And the second retransmission module is used for retransmitting the RB after receiving the RB notification information retransmitted by the base station.
The fourth data analysis module is used for receiving the RB retransmitted by the base station and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the data transmission module by a complete data packet.
According to the base station and the terminal, if the interfered RB exists in the analyzed air interface data, only the interfered RB resource is retransmitted, so that retransmission of the whole air interface data is avoided, and the air interface resource is saved.
As can be seen from the above description, in the RB level retransmission system according to the present invention, the functions of the base station and the terminal are substantially the same. In this embodiment, for the base station and the terminal, when transmitting the air interface data, the base station and the terminal are affected by the channel quality authorized by the air interface, and in order to ensure the quality of the RB to be retransmitted, when the first retransmission module and the second retransmission module perform RB retransmission, the transmission power may be adjusted or the RB resource used for retransmission may be retransmitted according to the channel quality of the authorized air interface resource.
The base station and the terminal are different:
the data transmission module of the terminal transmits the position of the interfered RB to the retransmission RB notification information transmitted by the base station; and the transmission module of the base station includes the position information of the interfered RB and the position strategy of the RB resource used by the retransmission RB relative to the authorized air interface resource in the retransmission RB notification information transmitted to the terminal. That is, when the base station receives the air interface data of the terminal and needs the terminal to retransmit the RB, the base station determines the position policy of the RB resource used by the retransmitted RB relative to the authorized air interface resource, and thus the retransmitted RB is agreed to be the first plurality of RBs, or the last plurality of RBs, or the front and back plurality of RBs, or the RBs at other positions of the currently interfered RB. That is, when the first retransmission module retransmits the RB, the first retransmission module retransmits the RB according to the location information of the interfered RB included in the retransmission RB notification information transmitted by the terminal. And when the second retransmission module retransmits the RB, retransmitting the RB according to the position information of the interfered RB and the position strategy of the RB resource used by the retransmitted RB relative to the authorized air interface resource.
In practical applications, the first data analysis module and the second data analysis module may be two processing units with data processing functions, or may be the same processing unit with data processing functions. Similarly, the third data parsing module and the fourth data parsing module may be two processing units with data processing functions, or may also be the same processing unit with data processing functions, and the main functions thereof are to parse the received air interface data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A base station for RB level retransmissions, wherein the base station for RB level retransmissions is for a national electric power communication system, comprising:
the first data analysis module is used for analyzing the air interface data sent by the terminal, detecting the air interface interference of each RB in the process of analyzing the air interface data sent by the terminal, and recording the interfered RB; if the analysis is unsuccessful, reporting the position of the interfered RB to a transmission module;
the transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the terminal;
the first retransmission module is used for retransmitting the RB after receiving the RB notification information retransmitted by the terminal; when the first retransmission module retransmits the RB, the transmission power is adjusted or the RB resource used by retransmission is retransmitted according to the channel quality of the authorized air interface resource;
the second data analysis module is used for receiving the RB retransmitted by the terminal and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the transmission module by a complete data packet.
2. The RB level retransmission base station according to claim 1, wherein if the first data parsing module successfully parses, the data over the air is directly reported to the data transmission module.
3. The RB level retransmission base station according to claim 1, wherein the transmission module transmits the retransmission RB notification information to the terminal through DCI or MCE.
4. The RB level retransmission base station according to claim 1, wherein the RB notification message comprises location information of an interfered RB and a location policy of RB resources used by the retransmitted RB relative to authorized air interface resources.
5. The RB base station according to claim 4, wherein the first retransmission module retransmits the RB according to position information of an interfered RB included in retransmission RB notification information transmitted from a terminal when the RB is retransmitted.
6. A system of RB level retransmissions, comprising: terminal and base station for RB level retransmissions according to any of the claims 1 to 5.
7. The system of RB-level retransmissions of claim 6, wherein the terminal comprises:
the third data analysis module is used for analyzing the air interface data sent by the base station, detecting the air interface interference of each RB in the process of analyzing the air interface data sent by the base station, and recording the interfered RB; if the analysis is unsuccessful, reporting the position of the interfered RB to a transmission module;
the data transmission module is used for generating retransmission RB notification information according to the position of the interfered RB and sending the retransmission RB notification information to the base station;
the second retransmission module is used for retransmitting the RB after receiving the RB notification information retransmitted by the base station;
the fourth data analysis module is used for receiving the RB retransmitted by the base station and then jointly analyzing the retransmitted RB and the data transmitted last time; if the joint analysis is successful, the result of the joint analysis and the result of the last analysis are reported to the data transmission module by a complete data packet.
8. The system of claim 7, wherein when the second retransmission module retransmits the RB, the second retransmission module retransmits the RB according to the location information of the interfered RB included in the retransmission RB notification information sent by the base station and a location policy of an RB resource used by the retransmission RB relative to an authorized air interface resource.
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| CN201910547273.0A CN110289939B (en) | 2019-06-24 | 2019-06-24 | Base station and system for RB (radio bearer) level retransmission |
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| CN201910547273.0A CN110289939B (en) | 2019-06-24 | 2019-06-24 | Base station and system for RB (radio bearer) level retransmission |
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