CN109936426B - Method and computer for adding HARQ stop-wait process attribute configuration in RRC signaling - Google Patents
Method and computer for adding HARQ stop-wait process attribute configuration in RRC signaling Download PDFInfo
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- CN109936426B CN109936426B CN201910223676.XA CN201910223676A CN109936426B CN 109936426 B CN109936426 B CN 109936426B CN 201910223676 A CN201910223676 A CN 201910223676A CN 109936426 B CN109936426 B CN 109936426B
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Abstract
The invention belongs to the technical field of wireless communication, and discloses a method for adding HARQ stop and wait process attribute configuration in RRC signaling and a computer, wherein the method for adding HARQ stop and wait process attribute configuration in the RRC signaling indicates the HARQ stop and wait process mode used by a user in a cell or a cell group by adding configuration information of an MAC HARQ stop and wait process mode in the RRC signaling; and sending the signaling to the UE through the establishment or reconfiguration of the RRC connection. The method for adding the HARQ stop-wait process attribute configuration method to the RRC signaling specifically comprises the following steps: and configuring the MAC entity of each user in RRC to increase the configuration signaling of the HARQ stop and wait process mode. Configuring according to uplink and downlink respectively, wherein the signaling configuration at least comprises: a mode of each process; the invention realizes the flexible control of the HARQ stop and wait process.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to a method and a computer for adding HARQ (hybrid automatic repeat request) process attribute configuration in RRC (radio resource control) signaling.
Background
Currently, the closest prior art: for flexible air interface requirements in 5G, each stop-wait Process (HARQ Process) of an HARQ for receiving and transmitting a data packet over the air interface needs to be flexibly controlled according to requirements for service data transmission. In the current protocol, the processes of uplink HARQ stop and the like are regulated to adopt an asynchronous mode for data transmission and corresponding feedback. However, for flexible traffic requirements in the future, the fixed HARQ stop-and-wait process mode cannot support actual traffic requirements.
When the network side configures corresponding information of L2 for a service applied by a user, it needs to configure a suitable HARQ stop process mode according to the transceiving characteristics of a service packet at an air interface. Because of the fixed mode currently employed by the protocol, there is no signaling path to configure. The current 38.331 protocol does not provide corresponding configuration signaling for how the mode of the HARQ process is modified.
In summary, the problems of the prior art are as follows: the current 38.331 protocol does not provide corresponding configuration signaling for how the mode of the HARQ process is modified.
The difficulty of solving the technical problems is as follows:
this problem, in turn, involves modifications to the HARQ mode scheme, control of the HARQ Process, and the transmission-feedback mechanism of the air interface, which may result in modifications to signaling, control, and data transceiving flows.
The significance of solving the technical problems is as follows:
from the trend of the development of the existing 5G technology, an air interface is more and more flexible, in the 4G era, 1ms of the air interface is used as a data transmission or reception period, 1ms of the air interface is divided into a plurality of Time slots (Time slots) by 5G, each Time Slot is divided into a plurality of symbols (symbols), and data can be transmitted and received according to symbol accuracy. This means that both UL and DL can be present in one time slot. In the face of such flexible air interface configuration, HARQ processes controlled by air interface data transmission and reception need to be modified correspondingly.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method and a computer for adding HARQ stop and wait process attribute configuration in RRC signaling.
The invention is realized in this way, a method for adding HARQ stop process attribute configuration in RRC signaling, the method for adding HARQ stop process attribute configuration in RRC signaling indicates the HARQ stop process mode used by the user in a cell or a cell group by adding the configuration information of the HARQ stop process mode of MAC in the RRC signaling; and sending the signaling to the UE through the establishment or reconfiguration of the RRC connection.
Further, the method for adding HARQ stop-wait process attribute configuration to the RRC signaling specifically includes:
and configuring the MAC entity of each user in RRC to increase the configuration signaling of the HARQ stop and wait process mode. Configuring according to uplink and downlink respectively, wherein the signaling configuration at least comprises: a mode of each process;
the method can also comprise the following steps:
the number of processes, a process information list;
for the stop-and-wait process of uplink HARQ:
there are two values for the HARQ stop-wait process mode: synchronous HARQ, asynchronous HARQ;
for the stop-wait process of downlink HARQ:
there are two values for the mode of HARQ stop and wait process: synchronous HARQ, asynchronous HARQ;
when each stop-wait process of the HARQ is in an initial state, the HARQ is defaulted to be asynchronous HARQ; if no signaling is configured or the mode is modified, the mode is asynchronous mode;
and adding a corresponding control field of the HARQ stop and wait process mode in the MAC-CellGroupConfig.
Further, the method for adding HARQ stop and other process attribute configuration in RRC signaling uses RRC signaling including an RRC Connection setup procedure and an RRC Connection Reconfiguration procedure.
Further, the solution for synchronization of HARQ stop process mode and air interface time transmission, in which the HARQ stop process attribute configuration method is added to the RRC signaling, includes:
when the network side sends the signaling, the MAC sublayer is informed, after the MAC protocol sublayer receives the signaling, the HARQ process which is transmitting is completed by the MAC protocol sublayer according to the old mode for the HARQ process which is transmitting on the air interface, the downlink HARQ process receives ACK, and the uplink HARQ process feeds back ACK; for the downlink: the HARQ process which is transmitted for the first time is transmitted according to a new mode; for the uplink: feeding back and processing the HARQ process received for the first time according to a new mode;
when the terminal side receives the signaling, the MAC sublayer is informed; continuously receiving and transmitting all the HARQ processes with the transmission times more than or equal to 1 according to the old mode until the downlink HARQ process feeds back ACK, and the uplink HARQ process receives ACK feedback; for the downlink: feeding back and processing the HARQ process received for the first time according to a new mode; for the uplink: the initially transmitted HARQ process is transmitted in the new mode.
Another object of the present invention is to provide a computer program for implementing the method for adding HARQ off-waiting process attribute configuration in RRC signaling.
Another object of the present invention is to provide an information data processing terminal for implementing the method for adding HARQ off-waiting process attribute configuration in RRC signaling.
Another object of the present invention is to provide a computer-readable storage medium, comprising instructions, which when executed on a computer, cause the computer to execute the method for configuring the attribute of a process for adding HARQ inactivity in RRC signaling.
In summary, the advantages and positive effects of the invention are: there is no way to define this scheme in the current standard. The methods adopted in the current protocols are as follows: the up and down links are regulated in the protocol to adopt an asynchronous HARQ mode; cannot be changed. The invention realizes the flexible control of the HARQ stop and wait process.
Drawings
Fig. 1 is a flowchart of a method for adding HARQ stop-waiting process attribute configuration in RRC signaling according to an embodiment 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 further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The problem that how to modify the mode of the HARQ stop-waiting process to provide corresponding configuration signaling does not exist in the current 38.331 protocol is solved; the invention realizes the flexible control of the HARQ stop and wait process.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
As shown in fig. 1, the method for adding HARQ stop and wait process attribute configuration in RRC signaling according to the embodiment of the present invention includes the following steps:
s101: the method comprises the steps of indicating the mode of the HARQ stop process used by a user in a cell or a cell group by adding configuration information of the HARQ stop process mode of the MAC in RRC signaling;
s102: and sending the signaling to the UE through the establishment or reconfiguration of the RRC connection.
In a preferred embodiment of the present invention, the channel associated HARQ parallel process specifically includes:
and configuring a MAC Entity (MAC Entity) of each user in RRC to increase the configuration signaling of the HARQ stop-waiting process mode. Configuring according to uplink and downlink respectively, wherein the signaling configuration at least comprises:
the mode of each process.
The method can also comprise the following steps:
the number of processes, a process information list;
for the stop-and-wait process of uplink HARQ:
there are two values for the HARQ stop-wait process mode: synchronous HARQ, asynchronous HARQ;
for the stop-wait process of downlink HARQ:
there are two values for the mode of HARQ stop and wait process: synchronous HARQ, asynchronous HARQ;
each stop-and-wait process of HARQ defaults to asynchronous HARQ when in the initial state. If no signaling is configured or the mode is modified, it is asynchronous mode.
A corresponding control field for HARQ stop and wait process mode may be added in the MAC-CellGroupConfig.
In a preferred embodiment of the present invention, the use of the RRC signaling includes an RRC Connection setup procedure and an RRC Connection Reconfiguration procedure.
The use scenario is as follows:
1. when the RRC connection of the user is established, it is necessary to configure the HARQ stop and wait process mode that can be used by the user.
2. According to the related algorithm and the control requirement of the network side, when the HARQ stop-waiting process mode of the user needs to be changed, the HARQ stop-waiting process mode can be modified by using RRC connection reconfiguration signaling.
In the preferred embodiment of the present invention, the solution of HARQ stop-wait process mode and air interface time transmission synchronization is as follows:
in order to ensure that the HARQ processes of the air interface all have complete RTT (round-trip time) due to the change of the HARQ mode, it is necessary to ensure that the new mode is consistent with the HARQ stop and other process transmissions of data being transmitted and received by the air interface when being implemented.
When the network side sends the signaling, the MAC sublayer is informed. After the MAC protocol sublayer receives the signaling, for the HARQ process performing air interface transmission, the HARQ process performing data transmission and reception according to the old mode, the downlink HARQ process receives ACK, and the uplink HARQ process feeds back ACK. For the downlink: the initially transmitted HARQ process is transmitted in the new mode. For the uplink: and feeding back and processing the HARQ process which is received for the first time according to the new mode.
When the terminal side receives the signaling, the MAC sublayer is informed. And continuously receiving and transmitting all the HARQ processes with the transmission times more than or equal to 1 according to the old mode until the downlink HARQ process feeds back ACK, and the uplink HARQ process receives ACK feedback. For the downlink: and feeding back and processing the HARQ process which is received for the first time according to the new mode. For the uplink: the initially transmitted HARQ process is transmitted in the new mode.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
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 (4)
1. A method for adding HARQ stop process attribute configuration in RRC signaling is characterized in that the configuration information of the HARQ stop process mode of MAC is added in the RRC signaling to indicate the HARQ stop process mode used by a user in a cell or a cell group; sending the signaling to the UE through the establishment or reconfiguration of RRC connection;
the solution of HARQ stop process mode and air interface time transmission synchronization, which adds the HARQ stop process attribute configuration method in the RRC signaling, comprises:
when the network side sends the signaling, the MAC sublayer is informed, after the MAC protocol sublayer receives the signaling, the HARQ process which is transmitting is completed by the MAC protocol sublayer according to the old mode for the HARQ process which is transmitting on the air interface, the downlink HARQ process receives ACK, and the uplink HARQ process feeds back ACK; for the downlink: the HARQ process which is transmitted for the first time is transmitted according to a new mode; for the uplink: feeding back and processing the HARQ process received for the first time according to a new mode;
when the terminal side receives the signaling, the MAC sublayer is informed; continuously receiving and transmitting all the HARQ processes with the transmission times more than or equal to 1 according to the old mode until the downlink HARQ process feeds back ACK, and the uplink HARQ process receives ACK feedback; for the downlink: feeding back and processing the HARQ process received for the first time according to a new mode; for the uplink: the initially transmitted HARQ process is transmitted in the new mode.
2. The method for adding HARQ process attribute for deactivation in RRC signaling according to claim 1, wherein the method for adding HARQ process attribute for deactivation in RRC signaling specifically includes:
configuring a MAC entity of each user in RRC to increase a configuration signaling of a HARQ stop process mode; configuring according to uplink and downlink respectively, wherein the signaling configuration at least comprises: a mode of each process;
the method can also comprise the following steps:
the number of processes, a process information list;
for the stop-and-wait process of uplink HARQ:
there are two values for the HARQ stop-wait process mode: synchronous HARQ, asynchronous HARQ;
for the stop-wait process of downlink HARQ:
there are two values for the mode of HARQ stop and wait process: synchronous HARQ, asynchronous HARQ;
when each stop-wait process of the HARQ is in an initial state, the HARQ is defaulted to be asynchronous HARQ; if no signaling is configured or the mode is modified, the mode is asynchronous mode;
and adding a corresponding control field of the HARQ stop and wait process mode in the MAC-CellGroupConfig.
3. The method for adding HARQ process attribute configuration for deactivation in RRC signaling of claim 1, wherein the method for adding HARQ process attribute configuration for deactivation in RRC signaling uses RRC signaling including an RRCconnection setup procedure and an RRC Connection Reconfiguration procedure.
4. A computer readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of incorporating HARQ stop-and-wait process attribute configuration in RRC signaling according to any of claims 1-3.
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