CN111491384A

CN111491384A - Resource allocation mode changing method, changing configuration method, terminal and network equipment

Info

Publication number: CN111491384A
Application number: CN201910073442.1A
Authority: CN
Inventors: 赵亚利
Original assignee: Telecommunications Science and Technology Research Institute Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2020-08-04
Anticipated expiration: 2039-01-25
Also published as: CN111491384B

Abstract

The invention provides a resource allocation mode changing method, a resource allocation mode changing configuration method, a terminal and network equipment, and relates to the technical field of communication. The resource allocation mode changing method is applied to a terminal and comprises the following steps: obtaining a target link quality, the target link quality comprising: at least one of a link quality of a terminal direct communication interface and a link quality of an interface between the terminal and the network device; and when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, acquiring the resource allocation mode of the changed direct communication interface. According to the scheme, when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, the resource allocation mode of the changed direct communication interface is obtained, so that the change of the resource allocation mode of the direct communication interface can be realized, the communication flow is perfected, and the reliability of communication is ensured.

Description

Resource allocation mode changing method, changing configuration method, terminal and network equipment

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a resource allocation pattern changing method, a resource allocation pattern changing configuration method, a terminal, and a network device.

Background

For L TE (L ong Term Evolution ) system, the terminal can use only one resource allocation mode on the direct communication interface, and the network side uniquely determines the resource allocation mode used by the terminal on the direct communication interface.

For NR (New Radio, New air interface), how a terminal direct communication interface allows to use multiple resource allocation modes at the same time, and how the terminal direct communication interface determines and changes the resource allocation mode of the direct communication interface, there is no relevant solution in the currently disclosed data.

Disclosure of Invention

Embodiments of the present invention provide a resource allocation pattern changing method, a terminal, and a network device, so as to solve the problem that a terminal in an NR system allows multiple resource allocation patterns to be used at the same time in a direct communication interface, but a scheme for determining and changing the resource allocation pattern of the direct communication interface is not defined in the prior art, which causes an incomplete communication flow and fails to ensure reliability of network communication.

In order to solve the above technical problem, an embodiment of the present invention provides a method for changing a resource allocation mode, which is applied to a terminal, and includes:

obtaining a target link quality, the target link quality comprising: at least one of a link quality of a terminal direct communication interface and a link quality of an interface between the terminal and the network device;

and when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, acquiring the resource allocation mode of the changed direct communication interface.

Specifically, the changing mode of the direct communication interface resource allocation mode includes at least one of the following modes:

a resource allocation mode of network equipment scheduling, a resource allocation mode of a terminal directly selecting resources from a resource pool or a resource allocation mode of allocating pre-configured resources for the terminal are changed into a resource allocation mode of a terminal direct communication interface in which resources are scheduled by other terminals;

the resource of the terminal direct communication interface is changed from the resource allocation mode scheduled by other terminals to the resource allocation mode scheduled by the network equipment, the resource allocation mode of the terminal directly selecting resources from the resource pool or the resource allocation mode of allocating pre-configured resources for the terminal;

changing a resource allocation mode of network equipment scheduling or a resource allocation mode of allocating pre-configured resources for the terminal into a resource allocation mode of selecting resources from a resource pool directly by the terminal;

the terminal directly changes the resource allocation mode of the self-selected resources in the resource pool into the resource allocation mode scheduled by the network equipment or the resource allocation mode of pre-configured resources allocated to the terminal;

changing the resource allocation mode scheduled by the network equipment into a resource allocation mode for allocating pre-configured resources for the terminal;

and changing the resource allocation mode of allocating the pre-configured resources for the terminal into the resource allocation mode scheduled by the network equipment.

Specifically, the link quality threshold for the direct communication interface resource allocation mode change includes: at least one of a first link quality threshold of an interface between the terminal and the network device and a second link quality threshold of a direct communication interface.

Further, the link quality threshold of the direct communication interface resource allocation mode change is configured by the network equipment or agreed by the protocol.

Specifically, the first link quality threshold includes one of the following information:

at least one of a threshold value of a measurement result of interface uplink channel quality between the terminal and the network device and a threshold value of a measurement result of interface downlink channel quality between the terminal and the network device;

at least one process of an interface between the terminal and the network equipment continuously receives a hybrid automatic repeat request non-acknowledgement response time threshold value;

controlling R L C layer retransmission times threshold value by interface wireless link between terminal and network equipment;

a threshold value of random access failure times of an interface between a terminal and network equipment;

the threshold value of the downlink out-of-step times of the interface physical layer between the terminal and the network equipment.

Specifically, the second link quality threshold includes one of the following information:

a threshold value of a measurement result of a channel quality of the direct communication interface;

a service quality satisfaction threshold of the direct communication interface service;

at least one process of the direct communication interface continuously receives a hybrid automatic repeat request non-acknowledgement response time threshold value;

a direct communication interface wireless link control R L C layer retransmission time threshold value;

the threshold value of the number of synchronization failures between the terminals of the direct communication interface.

Optionally, the link quality threshold of the direct communication interface resource allocation mode change includes: when a first link quality threshold of an interface between a terminal and a network device is reached, the target link quality meets a link quality threshold of a direct communication interface resource allocation mode change, and the method comprises at least one of the following modes:

the measurement result of the quality of an interface uplink channel between the terminal and the network equipment is less than or equal to the link quality threshold;

the measurement result of the interface downlink channel quality between the terminal and the network equipment is less than or equal to the link quality threshold;

the number of times of hybrid automatic repeat request non-acknowledgement responses received by at least one process of an interface between the terminal and the network equipment is greater than or equal to the link quality threshold;

the retransmission times of an interface wireless link control R L C layer between the terminal and the network equipment are more than or equal to the link quality threshold;

the random access failure times of the interface between the terminal and the network equipment are more than or equal to the link quality threshold;

and the downlink out-of-step times of an interface physical layer between the terminal and the network equipment is greater than or equal to the link quality threshold.

the measurement result of the quality of an interface uplink channel between the terminal and the network equipment is greater than or equal to the link quality threshold;

the measurement result of the interface downlink channel quality between the terminal and the network equipment is greater than or equal to the link quality threshold;

the number of times of hybrid automatic repeat request non-acknowledgement responses received by at least one process of an interface between the terminal and the network equipment is less than or equal to the link quality threshold;

the retransmission times of an interface wireless link control R L C layer between the terminal and the network equipment are less than or equal to the link quality threshold;

the random access failure times of the interface between the terminal and the network equipment are less than or equal to the link quality threshold;

the downlink out-of-step times of an interface physical layer between the terminal and the network equipment is less than or equal to the link quality threshold.

Optionally, the link quality threshold of the direct communication interface resource allocation mode change includes: when the second link quality threshold of the direct communication interface is reached, the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, and the method includes at least one of the following modes:

the measurement result of the channel quality of the direct communication interface is less than or equal to the link quality threshold;

the service quality satisfaction degree of the direct communication interface service is less than or equal to the link quality threshold;

at least one process of the direct communication interface continuously receives hybrid automatic repeat request non-acknowledgement response times which are more than or equal to the link quality threshold;

the retransmission times of the radio link control R L C layer of the direct communication interface are greater than or equal to the link quality threshold;

the number of times of synchronization failure between the direct communication interface terminals is greater than or equal to the link quality threshold.

the measurement result of the channel quality of the direct communication interface is greater than or equal to the link quality threshold;

the service quality satisfaction degree of the direct communication interface service is greater than or equal to the link quality threshold;

at least one process of the direct communication interface continuously receives hybrid automatic repeat request non-acknowledgement response times which are less than or equal to the link quality threshold;

the retransmission times of the radio link control R L C layer of the direct communication interface are less than or equal to the link quality threshold;

the number of synchronization failures between the direct communication interface terminals is less than or equal to the link quality threshold.

Optionally, before the obtaining the resource allocation mode of the changed direct communication interface when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, the method for changing the resource allocation mode further includes:

acquiring a third link quality threshold used for triggering the terminal to start searching an interface between the terminal of the scheduling terminal and the network equipment;

when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, acquiring the resource allocation mode of the changed direct communication interface, including:

and after the target link quality meets the third link quality threshold, when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, acquiring the resource allocation mode of the changed direct communication interface.

Specifically, the third link quality threshold includes one of the following information:

Optionally, the target link quality meets the third link quality threshold, including at least one of:

the measurement result of the quality of an interface uplink channel between the terminal and the network equipment is less than or equal to the third link quality threshold;

the measurement result of the quality of the interface downlink channel between the terminal and the network equipment is less than or equal to the third link quality threshold;

the number of times of hybrid automatic repeat request non-acknowledgement responses received by at least one process of an interface between the terminal and the network equipment is greater than or equal to the third link quality threshold;

the retransmission times of an interface wireless link control R L C layer between the terminal and the network equipment are more than or equal to the third link quality threshold;

the random access failure times of the interface between the terminal and the network equipment are more than or equal to the third link quality threshold;

and the downlink out-of-step times of an interface physical layer between the terminal and the network equipment is greater than or equal to the third link quality threshold.

the measurement result of the quality of the interface uplink channel between the terminal and the network equipment is greater than or equal to the third link quality threshold;

the number of times of hybrid automatic repeat request non-acknowledgement responses received by at least one process of an interface between the terminal and the network equipment is less than or equal to the third link quality threshold;

the retransmission times of an interface wireless link control R L C layer between the terminal and the network equipment are less than or equal to the third link quality threshold;

the random access failure times of the interface between the terminal and the network equipment are less than or equal to the third link quality threshold;

and the downlink out-of-step times of an interface physical layer between the terminal and the network equipment is less than or equal to the third link quality threshold.

Specifically, the third link quality threshold is configured by a network device or agreed by a protocol.

Optionally, the obtaining of the changed resource allocation pattern of the direct communication interface includes:

the terminal determines the resource allocation pattern of the changed direct communication interface.

Further, when the terminal is located within a network coverage area, after the terminal determines the resource allocation mode of the changed direct communication interface, the method for changing the resource allocation mode further includes:

and informing the changed resource allocation mode of the direct communication interface to the network equipment through Radio Resource Control (RRC) signaling.

sending resource allocation mode request information to the network equipment;

and receiving the changed resource allocation mode of the direct communication interface fed back by the network equipment.

Specifically, the resource allocation pattern request information carries at least one of the following information:

a resource allocation mode set of a direct communication interface suggested by the terminal;

at least one of an interface link quality measurement between a terminal of the terminal and the network device and a link quality measurement of the direct communication interface.

The embodiment of the invention also provides a resource allocation mode change configuration method, which is applied to network equipment and comprises the following steps:

and sending the changed resource allocation mode of the direct communication interface to the terminal.

Further, the sending the changed resource allocation mode of the direct communication interface to the terminal includes:

receiving resource allocation mode request information sent by a terminal;

configuring the changed resource allocation mode of the direct communication interface for the terminal according to the resource allocation mode request information;

a set of resource allocation patterns suggested by the direct communication interface;

An embodiment of the present invention further provides a terminal, including: a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor implements the following steps when executing the program:

Optionally, before the obtaining of the resource allocation pattern of the changed direct communication interface when the target link quality meets the link quality threshold of the direct communication interface resource allocation pattern change, the processor executes the program to further implement the following steps:

Optionally, the processor, when executing the program, implements the following steps:

the resource allocation pattern of the changed direct communication interface is determined.

Further, when the terminal is located within a network coverage area, after the determination of the resource allocation mode of the changed direct communication interface, the processor executes the program to implement the following steps:

sending resource allocation mode request information to the network equipment;

An embodiment of the present invention further provides a network device, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor implements the following steps when executing the program:

and transmitting the changed resource allocation mode of the direct communication interface to the terminal through the transceiver.

An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the above resource allocation pattern changing method or the above resource allocation pattern changing and configuring method.

An embodiment of the present invention further provides a terminal, including:

a first obtaining module, configured to obtain a target link quality, where the target link quality includes: at least one of a link quality of a terminal direct communication interface and a link quality of an interface between the terminal and the network device;

and the second acquisition module is used for acquiring the resource allocation mode of the changed direct communication interface when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change.

An embodiment of the present invention further provides a network device, including:

and the sending module is used for sending the changed resource allocation mode of the direct communication interface to the terminal.

The invention has the beneficial effects that:

according to the scheme, when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, the resource allocation mode of the changed direct communication interface is obtained, so that the change of the resource allocation mode of the direct communication interface can be realized, the communication flow is perfected, and the reliability of communication is ensured.

Drawings

Fig. 1 shows a schematic diagram of a terminal and a base station, and a link between terminals for communication;

FIG. 2 is a flowchart illustrating a resource allocation pattern changing method according to an embodiment of the invention;

fig. 3 is a flowchart illustrating a specific implementation of a resource allocation pattern changing method according to an embodiment of the present invention;

FIG. 4 is a second flowchart illustrating an embodiment of a resource allocation pattern modification method according to the present invention;

FIG. 5 is a flowchart illustrating a resource allocation pattern change configuration method according to an embodiment of the present invention;

fig. 6 shows a block diagram of a terminal according to an embodiment of the present invention;

fig. 7 is a diagram showing a configuration of a terminal according to an embodiment of the present invention;

FIG. 8 is a block diagram of a network device according to an embodiment of the invention;

fig. 9 shows a configuration diagram of a network device 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 will be described in detail with reference to the accompanying drawings and specific embodiments.

Some concepts mentioned in the embodiments of the present invention are first explained as follows.

Devices and devices in close proximity to each other allow direct communication between the devices. For convenience of description, a link defining direct communication between a device and the device is a Sidelink (translated into a direct communication link or a bypass), and a corresponding wireless interface thereof is referred to as a direct communication interface (also referred to as a Sidelink interface); the cellular communication link between the network and the direct communication device is called uulink, and its corresponding interface is called Uu interface (i.e. the interface between the terminal and the network device). In particular the communication link is shown in figure 1.

The devices that communicate directly may also all be on-line or off-line, or some may be on-line and some off-line. So-called on-net, i.e. devices participating in direct communication are located within 3GPP (3rd Generation partnership project) direct communication carrier coverage; so-called talk-around, i.e. devices participating in direct communication are not within 3GPP direct communication carrier coverage.

Typical direct communication scenarios include the following three:

a110, one-to-one communication (unicast) between direct communication terminals;

a120, a device can send the same data to all devices in a communication group at a time (multicast);

a130, one device at a time can send the same data (broadcast) to all nearby devices.

L TE (L ong Term Evolution ) system direct communication supports only two resource allocation modes:

mode 3(Mode 3), which is a resource allocation Mode of network scheduling, is a Mode in which a network allocates resources to a terminal according to a SidelinkBSR (Buffer Status Reporting) reported by the terminal;

mode 4(Mode 4), i.e. the resource allocation Mode autonomously selected by the terminal, selects the resource to transmit in the direct communication decoupling from the resource pool by the terminal itself. The resource pool may be pre-configured or configured by the network through broadcast or dedicated signaling.

The direct communication interface in the NR (New Radio, New air interface) system also supports two resource allocation methods:

mode 1(Mode 1), i.e., a resource allocation Mode scheduled by a network, is a manner in which the network allocates resources to a terminal according to the sidelinkbr reported by the terminal.

Mode 2(Mode 2), a resource allocation Mode autonomously selected by the terminal, selects a resource to be transmitted in the direct communication decoupling from the resource pool by the terminal itself. The resource pool may be pre-configured or configured by the network through broadcast or dedicated signaling.

Further, mode2 can be divided into several sub-modes:

mode2a (Mode 2 a): the terminal directly selects resources from the resource pool;

mode 2b (Mode 2 b): the terminal assists other terminals to execute resource selection;

mode2c (Mode 2 c): allocating pre-configured resources for the terminal, such as configuring Type 1 resources through RRC signaling;

mode2d (Mode 2 d): the resources of the terminal direct communication interface are scheduled by other terminals.

It is clear that Mode 2b does not work independently, and can be merged into Mode2a, Mode2c or Mode2d as one of the steps.

The invention provides a resource allocation mode changing method, a changing configuration method, a terminal and network equipment, aiming at the problems that a terminal in an NR system allows a plurality of resource allocation modes to be used at the same time in a direct communication interface, but the prior art does not define a scheme for determining and changing the resource allocation mode of the direct communication interface, so that the communication flow is incomplete and the reliability of network communication cannot be ensured.

As shown in fig. 2, a resource allocation mode changing method according to an embodiment of the present invention is applied to a terminal, and includes:

step 21, obtaining the quality of a target link;

it should be noted that the target link quality includes: at least one of a link quality of the terminal direct communication interface and a link quality of an interface between the terminal and the network device (an interface between the terminal and the network device, i.e., a Uu interface).

And step 22, when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, acquiring the resource allocation mode of the changed direct communication interface.

It should be noted that, when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, the terminal may determine the resource allocation mode of the changed direct communication interface by itself, and if the terminal is located within the network coverage (i.e., the terminal is an on-network terminal), the terminal further needs to notify the network device of the resource allocation mode of the changed direct communication interface through Radio Resource Control (RRC) signaling; when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, the terminal can also send resource allocation mode request information to the network equipment, the network equipment receives the resource allocation mode request information, configures the resource allocation mode of the changed direct communication interface for the terminal according to the resource allocation mode request information, then configures the resource allocation mode of the changed direct communication interface to the terminal, the terminal only needs to receive the resource allocation mode of the direct communication interface configured by the network equipment, and if the resource allocation mode of the direct communication interface configured by the network is different from the resource allocation mode of the direct communication interface currently used by the terminal, the change of the resource allocation mode of the direct communication interface is executed.

It should be noted here that, when the terminal sends the resource allocation mode request information to the network device, the resource allocation mode request information carries at least one of the following information:

a11, resource allocation mode set of terminal proposed direct communication interface;

it should be noted that the resource allocation pattern set includes a resource allocation pattern that the terminal suggests that the direct communication interface may use, the resource allocation pattern in the resource allocation pattern set of the direct communication interface suggested by the terminal is not a resource allocation pattern actually used by the terminal, but a resource allocation pattern of the direct communication interface that the terminal is most suitable for at present, and the terminal notifies the network device of the resource allocation pattern set, which may assist in configuring a more reasonable resource allocation pattern of the direct communication interface for the terminal. When the network device determines the resource allocation mode after the terminal is changed, the network device may refer to the resource allocation mode set, but the direct communication interface resource allocation mode actually configured for the terminal by the network device is allowed to be different from the direct communication interface resource allocation mode suggested by the terminal.

A12, at least one of interface link quality measurement results between a terminal of the terminal and the network device, and link quality measurement results of the direct communication interface.

It should be further noted that the modification of the direct communication interface resource allocation pattern includes at least one of the following:

a21, changing the resource allocation Mode (Mode 1) scheduled by the network equipment, the resource allocation Mode (Mode 2a) of the terminal directly selecting the resource from the resource pool or the resource allocation Mode (Mode 2c) of allocating the pre-configured resource for the terminal into the resource allocation Mode (Mode 2d) of the terminal direct communication interface scheduled by other terminals;

a22, changing the resource allocation mode of the terminal direct communication interface from the resource allocation mode scheduled by other terminals to the resource allocation mode scheduled by the network equipment, the resource allocation mode of the terminal directly selecting resources from the resource pool or the resource allocation mode of allocating pre-configured resources for the terminal;

note that a21 indicates a change from Mode 1, Mode2a, or Mode2c to Mode2d, and a22 indicates a reverse change of a21, that is, a change from Mode2d to Mode 1, Mode2a, or Mode2 c.

A23, changing the resource allocation Mode (Mode 1) scheduled by the network equipment or the resource allocation Mode (Mode 2c) for allocating the pre-configured resource for the terminal into the resource allocation Mode (Mode 2a) for the terminal to select the resource directly from the resource pool;

a24, the terminal directly changes the resource allocation mode of the self-selected resource in the resource pool into the resource allocation mode scheduled by the network equipment or the resource allocation mode of the pre-configured resource allocated to the terminal;

note that a23 indicates a change from Mode 1 or Mode2c to Mode2a, and a24 indicates a reverse change of a23, that is, a change from Mode2a to Mode 1 or Mode2 c.

A25, changing the resource allocation Mode (Mode 1) scheduled by the network equipment into a resource allocation Mode (Mode 2c) for allocating the pre-configured resource for the terminal;

and A26, changing the resource allocation mode of allocating the pre-configured resource for the terminal into the resource allocation mode scheduled by the network equipment.

Note that a25 indicates a change from Mode 1 to Mode2c, and a26 indicates a reverse change of a25, that is, a change from Mode2c to Mode 1.

It should be noted that the embodiments of the present invention are not limited to the cases a21-a26 described above, and other cases pertaining to mode change are included in the embodiments of the present invention.

It should be further noted that the link quality threshold for the direct communication interface resource allocation mode change is configured by the network device or agreed by a protocol (i.e. preconfigured), and specifically, the link quality threshold for the direct communication interface resource allocation mode change includes: at least one of a first link quality threshold of an interface between the terminal and the network device and a second link quality threshold of a direct communication interface.

For example, the link quality threshold of the direct communication interface resource allocation mode change only includes a first link quality threshold of an interface between the terminal and the network device, and the first link quality threshold is configured by the network device or agreed by a protocol; or, the link quality threshold of the direct communication interface resource allocation mode change only includes a second link quality threshold of the direct communication interface, and the second link quality threshold is configured by the network device or agreed by the protocol; or, the link quality threshold for the direct communication interface resource allocation mode change includes: the method comprises the steps that a first link quality threshold of an interface between a terminal and network equipment and a second link quality threshold of a direct communication interface are obtained, the first link quality threshold is configured by the network equipment or agreed by a protocol, and the second link quality threshold is configured by the network equipment or agreed by the protocol.

Further, the first link quality threshold includes one of the following information:

a31, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

it should be noted that the threshold of the measurement result of the uplink channel quality and the threshold of the measurement result of the downlink channel quality may be the same or different.

A32, at least one process of the interface between the terminal and the network device continuously receives the threshold value of the number of times of hybrid automatic repeat request non-acknowledgement responses;

it should be noted that the at least one process may be a single process of an interface between the terminal and the network device, or may be all processes of the interface between the terminal and the network device.

A33, interface wireless link control (R L C) layer retransmission times threshold value between terminal and network equipment;

a34, random access failure times threshold value of the interface between the terminal and the network device;

a35, and threshold value of downlink out-of-step times of interface physical layer between terminal and network equipment.

It should be noted that the first link quality thresholds corresponding to the changes between different resource allocation modes may be the same or different, and if they are different, the first link quality thresholds corresponding to the changes of different resource allocation modes need to be configured respectively. For example, when the first link quality threshold comprises: when the threshold of the number of random access failures of the interface between the terminal and the network device is determined, the threshold of the number of random access failures of the interface between the terminal and the network device, which is changed to the resource allocation pattern N2 by the resource allocation pattern N1, may be the same as or different from the threshold of the number of random access failures of the interface between the terminal and the network device, which is changed to the resource allocation pattern N4 by the resource allocation pattern N3.

a41, the measurement result of the quality of the uplink channel of the interface between the terminal and the network equipment is less than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of a measurement result of the uplink channel quality of an interface between the terminal and the network device;

it is also noted that, herein, the term "less than or equal to" means that the mathematical symbol is ≦.

A42, the measurement result of the interface downlink channel quality between the terminal and the network device is less than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of a measurement result of the downlink channel quality of an interface between the terminal and the network device.

A43, the number of times of hybrid automatic repeat request (HARQ) non-acknowledgement responses received by at least one process of an interface between the terminal and the network equipment is greater than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of the number of times that at least one process of an interface between the terminal and the network device continuously receives the HARQ non-acknowledgement response;

it should be noted that the term "greater than or equal to" refers to the mathematical symbol ≧ or.

A44, interface R L C layer between the terminal and the network equipment retransmits the number of times to be greater than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of retransmission times of an interface R L C layer between the terminal and the network device.

A45, the number of times of random access failure of the interface between the terminal and the network equipment is greater than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of the number of random access failures of an interface between the terminal and the network device.

A46, the downlink out-of-step times of the interface physical layer between the terminal and the network device is greater than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of downlink out-of-synchronization times of an interface physical layer between the terminal and the network device.

a51, the measurement result of the quality of the uplink channel of the interface between the terminal and the network equipment is greater than or equal to the link quality threshold;

A52, the measurement result of the interface downlink channel quality between the terminal and the network device is greater than or equal to the link quality threshold;

A53, the number of times of hybrid automatic repeat request (HARQ) non-acknowledgement responses received by at least one process of an interface between the terminal and the network equipment is less than or equal to the link quality threshold;

A54, the retransmission times of the interface R L C layer between the terminal and the network equipment are less than or equal to the link quality threshold;

A55, the number of times of random access failure of the interface between the terminal and the network equipment is less than or equal to the link quality threshold;

A56, the number of downlink out-of-step times of the interface physical layer between the terminal and the network equipment is less than or equal to the link quality threshold;

It should be noted that a41-a46 is one implementation case where the target link quality satisfies the link quality threshold of the direct communication interface resource allocation pattern change, and a51-a56 is another implementation case where the target link quality satisfies the link quality threshold of the direct communication interface resource allocation pattern change, because the change of the resource allocation pattern is bidirectional, that is, the change from the resource allocation pattern a to the resource allocation pattern B can be performed, or the change from the resource allocation pattern B to the resource allocation pattern a can be performed, for example, when the change from the resource allocation pattern a to the resource allocation pattern B is performed, one of a41-a46 is used, and the change from the resource allocation pattern B to the resource allocation pattern a is performed, one of a51-a56 is used.

Further, the second link quality threshold includes one of the following information:

a61, threshold value of measurement result of channel quality of direct communication interface;

a62, service quality satisfaction threshold of the direct communication interface service;

it should be noted that the quality of service satisfaction threshold may be: the Packet Delay Budget (PDB) satisfaction threshold may also be: packet loss Rate (PER) satisfaction threshold.

A63, at least one process of the direct communication interface continuously receives a hybrid automatic repeat request (HARQ) non-acknowledgement response time threshold value;

a64, R L C layer retransmission times threshold value of the direct communication interface;

a65, a threshold value of the number of synchronization failures between terminals of the direct communication interface.

It should be noted that the second link quality thresholds corresponding to the changes between different resource allocation modes may be the same or different, and if they are different, the second link quality thresholds corresponding to the changes between different modes need to be configured respectively. For example, when the second link quality threshold comprises: when the threshold value of the measurement result of the channel quality of the direct communication interface is set, the threshold value of the measurement result of the channel quality of the direct communication interface, which is changed from the resource allocation mode M1 to the resource allocation mode M2, may be the same as or different from the threshold value of the measurement result of the channel quality of the direct communication interface, which is changed from the resource allocation mode M3 to the resource allocation mode M4.

a71, the measurement result of the channel quality of the direct communication interface is less than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of a measurement result of channel quality of the direct communication interface.

A72, the service quality satisfaction degree of the direct communication interface service is less than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a service quality satisfaction threshold of the direct communication interface service.

A73, at least one process of the direct communication interface receives the times of hybrid automatic repeat request (HARQ) non-acknowledgement responses continuously, which is greater than or equal to the link quality threshold;

it should be noted that, in this case, the threshold of the link quality corresponds to a threshold of the number of HARQ non-acknowledgement responses continuously received by at least one process of the direct communication interface.

A74, the retransmission times of the R L C layer of the direct communication interface are more than or equal to the link quality threshold;

it should be noted that, in this case, the link quality threshold corresponds to a threshold value of retransmission times of the C layer of the direct communication interface R L.

A75, the number of synchronization failures between the direct communication interface terminals is greater than or equal to the link quality threshold;

it should be noted that, in this case, the threshold of the link quality corresponds to a threshold of the number of synchronization failures between terminals of the direct communication interface.

a81, the measurement result of the channel quality of the direct communication interface is greater than or equal to the link quality threshold;

A82, the service quality satisfaction degree of the direct communication interface service is greater than or equal to the link quality threshold;

A83, at least one process of the direct communication interface receives the times of hybrid automatic repeat request (HARQ) non-acknowledgement responses continuously, which are less than or equal to the link quality threshold;

A84, the retransmission times of the R L C layer of the wireless link control of the direct communication interface are less than or equal to the link quality threshold;

A85, the number of times of synchronization failure between the direct communication interface terminals is less than or equal to the link quality threshold;

It should be noted that a71-a75 is one implementation case where the target link quality satisfies the link quality threshold of the direct communication interface resource allocation pattern change, and a81-a85 is another implementation case where the target link quality satisfies the link quality threshold of the direct communication interface resource allocation pattern change, because the change of the resource allocation pattern is bidirectional, that is, the change from the resource allocation pattern C to the resource allocation pattern D can be performed, or the change from the resource allocation pattern D to the resource allocation pattern C can be performed, for example, when the change from the resource allocation pattern C to the resource allocation pattern D is performed, the method in a71-a75 is adopted, and the method in a81-a85 is adopted when the change from the resource allocation pattern D to the resource allocation pattern C is performed.

It should be further noted that, before acquiring the resource allocation pattern of the changed direct communication interface when the target link quality meets the link quality threshold of the direct communication interface resource allocation pattern change, the method for changing the resource allocation pattern according to the embodiment of the present invention further includes:

specifically, the implementation manner of step 22 is:

It should be noted that, in the case of the mode change of a21 and a22, in general, in addition to configuring the terminal with the link quality threshold whose target link quality satisfies the direct communication interface resource allocation mode change, the terminal needs to be further configured with a third link quality threshold for triggering the terminal to start searching for an interface between the terminal scheduling the terminal and the network device.

Specifically, the third link quality threshold is configured by the network device or agreed by the protocol, and a value of the third link quality threshold is different from a value of the first link quality threshold, and the first link quality threshold is more strict than the third link quality threshold.

It should be further noted that the third link quality threshold includes one of the following information:

b11, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

b12, at least one process of the interface between the terminal and the network equipment continuously receives a hybrid automatic repeat request (HARQ) non-acknowledgement response time threshold value;

B13, interface R L C layer retransmission times threshold value between terminal and network equipment;

b14, random access failure times threshold value of the interface between the terminal and the network equipment;

b15, and a threshold value of downlink out-of-step times of an interface physical layer between the terminal and the network equipment.

It should be noted that the third link quality thresholds corresponding to the changes between different resource allocation modes may be the same or different, and if they are different, the third link quality thresholds corresponding to the changes between different modes need to be configured respectively. For example, when the first link quality threshold comprises: when the threshold of the number of random access failures of the interface between the terminal and the network device is determined, the threshold of the number of random access failures of the interface between the terminal and the network device, which is changed to the resource allocation pattern X2 by the resource allocation pattern X1, may be the same as or different from the threshold of the number of random access failures of the interface between the terminal and the network device, which is changed to the resource allocation pattern X4 by the resource allocation pattern X3.

b21, the measurement result of the quality of the interface uplink channel between the terminal and the network equipment is less than or equal to the third link quality threshold;

it should be noted that, in this case, the third link quality threshold corresponds to a threshold value of a measurement result of the uplink channel quality of the interface between the terminal and the network device.

B22, the measurement result of the interface downlink channel quality between the terminal and the network device is less than or equal to the third link quality threshold;

it should be noted that, in this case, the third link quality threshold corresponds to a threshold of a measurement result of the downlink channel quality of an interface between the terminal and the network device.

B23, the number of times of hybrid automatic repeat request (HARQ) non-acknowledgement responses received by at least one process of the interface between the terminal and the network equipment is greater than or equal to the third link quality threshold;

it should be noted that, in this case, the third link quality threshold corresponds to a threshold value of the number of times that at least one process of the interface between the terminal and the network device continuously receives the HARQ non-acknowledgement response.

B24, the retransmission times of the interface R L C layer between the terminal and the network equipment are more than or equal to the third link quality threshold;

it should be noted that, in this case, the third link quality threshold corresponds to a threshold value of retransmission times of the interface R L C layer between the terminal and the network device.

B25, the number of times of random access failure of the interface between the terminal and the network equipment is greater than or equal to the third link quality threshold;

it should be noted that, in this case, the third link quality threshold corresponds to a threshold value of the number of random access failures of the interface between the terminal and the network device.

B26, the number of downlink out-of-step times of the interface physical layer between the terminal and the network equipment is greater than or equal to the third link quality threshold;

it should be noted that, in this case, the third link quality threshold corresponds to a threshold value of downlink out-of-step times of an interface physical layer between the terminal and the network device.

b31, the measurement result of the quality of the interface uplink channel between the terminal and the network equipment is greater than or equal to the third link quality threshold;

B32, the measurement result of the interface downlink channel quality between the terminal and the network device is less than or equal to the third link quality threshold;

B33, the number of times of hybrid automatic repeat request (HARQ) non-acknowledgement responses received by at least one process of the interface between the terminal and the network equipment is less than or equal to the third link quality threshold;

B34, controlling the retransmission times of the R L C layer by the interface wireless link between the terminal and the network equipment to be less than or equal to the third link quality threshold;

B35, the number of times of random access failure of the interface between the terminal and the network equipment is less than or equal to the third link quality threshold;

B36, the number of downlink out-of-step times of the interface physical layer between the terminal and the network equipment is less than or equal to the third link quality threshold;

It should be noted that B21-B26 is one implementation in which the target link quality satisfies the third link quality threshold, and B31-B36 is another implementation in which the target link quality satisfies the third link quality threshold, because the change of the resource allocation pattern is bidirectional, that is, the resource allocation pattern a may change to the resource allocation pattern B, or the resource allocation pattern B may change to the resource allocation pattern a, for example, when the resource allocation pattern a changes to the resource allocation pattern B, the method in B21-B26 is adopted, and the method in B31-B36 is adopted when the resource allocation pattern B changes to the resource allocation pattern a.

The following specifically describes a specific implementation manner of the embodiment of the present invention in practical application.

In case one, the Mode 1, the Mode2a or the Mode2c is changed to the Mode2d, and a third link quality threshold for triggering the terminal to start searching for an interface between the terminal and the network device of the scheduling terminal is not configured

As shown in fig. 3, the specific implementation flow is as follows:

step S31, configuring the link quality threshold of the direct communication interface resource allocation mode change for the terminal;

the link quality threshold for the change of the direct communication interface resource allocation mode configured for the terminal is mainly a first link quality threshold of an interface between the terminal and the network equipment.

The first link quality thresholds corresponding to the changes between different resource allocation modes may be the same or different, and if different, they need to be configured separately.

The specific configuration modes of the first link quality threshold may be two types:

mode 1: configuring network equipment;

mode 2: and (4) pre-configuration.

s311, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

s312, at least one process of an interface between the terminal and the network equipment continuously receives a threshold value of HARQ non-acknowledgement times;

S313, an interface R L C layer retransmission time threshold value between the terminal and the network equipment;

s314, a random access failure time threshold value of an interface between the terminal and the network equipment;

and S315, a downlink out-of-step time threshold value of an interface physical layer between the terminal and the network equipment.

Step S32, judging whether the link quality meets the link quality threshold of the direct communication interface resource allocation mode change;

specifically, the terminal measures the link quality of the interface between the current terminal and the network device, and determines whether the first link quality threshold of the interface between the terminal and the network device configured in step S31 is satisfied.

For example, if the terminal wants to change from Mode 1/Mode2a/Mode 2c to Mode2d, it determines whether one of the following conditions is satisfied:

s321, at least one of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device is less than or equal to the threshold value of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device, and the measurement result of the quality of the downlink channel of the interface between the terminal and the network device is less than or equal to the threshold value of the measurement result of the quality of the downlink channel of the interface between the terminal and the network device;

s322, the number of times that at least one process of an interface between the terminal and the network equipment receives the HARQ non-acknowledgement is larger than or equal to the threshold value of the number of times that at least one process of the interface between the terminal and the network equipment continuously receives the HARQ non-acknowledgement;

for example, the number of times of continuously receiving HARQ non-acknowledgement responses for the same or different HARQ processes is greater than or equal to a threshold value of the number of times of continuously receiving HARQ non-acknowledgement responses for at least one process of an interface between the terminal and the network device;

s323, the retransmission times of an interface R L C layer between the terminal and the network equipment are more than or equal to the retransmission time threshold value of an interface R L C layer between the terminal and the network equipment;

s324, the random access failure times of the interface between the terminal and the network equipment are larger than or equal to the random access failure time threshold value of the interface between the terminal and the network equipment.

And S325, the downlink out-of-step times of the interface physical layer between the terminal and the network equipment is greater than or equal to the downlink out-of-step time threshold value of the interface physical layer between the terminal and the network equipment.

When at least one of the above conditions is satisfied, the trigger terminal performs a change from Mode 1/Mode2a/Mode 2c to Mode2d, and the process proceeds to step S33 or step S34, where the step S33 includes: steps S33a, S33 b; step S34 includes: in steps S34a, S34b and S34c, it should be noted that these two steps are used alternatively. Step S33 is to determine the changed resource allocation pattern corresponding to the terminal itself, and step S34 is to request the network side to perform the change of the direct communication interface resource allocation pattern corresponding to the terminal.

In step S33a, the terminal detects whether there is any other scheduling terminal capable of scheduling the terminal, and changes the direct communication interface resource allocation Mode from Mode 1/Mode2a/Mode 2c to Mode2d when detecting the scheduling terminal capable of scheduling the terminal.

Step S33b, notifying the network device of the changed resource allocation mode of the direct communication interface through RRC signaling;

it should be noted that step S33b is an optional step, and the terminal may or may not perform this step.

Step S34a, sending resource allocation mode request information to the network equipment;

it should be noted that, if the terminal requests the network side to perform resource allocation mode change for the terminal, the method specifically includes: the terminal sends the resource allocation mode request information to the network equipment, and the network equipment reconfigures the resource allocation mode for the terminal. The resource allocation mode request information may carry at least one of the following information:

Step S34b, the network device executes resource allocation mode change judgment for the terminal;

namely, the network device configures the changed resource allocation mode of the direct communication interface for the terminal according to the resource allocation mode request information.

Step S34c, the network device notifies the terminal of the direct communication interface resource allocation mode changed by the terminal.

And in the second case, the Mode 1, the Mode2a or the Mode2c is changed into the Mode2d, and a third link quality threshold used for triggering the terminal to start searching the interface between the terminal of the scheduling terminal and the network equipment is configured

As shown in fig. 4, the specific implementation flow is as follows:

step S41, configuring the link quality threshold of the direct communication interface resource allocation mode change for the terminal and the third link quality threshold for triggering the terminal to start searching the interface between the terminal of the scheduling terminal and the network device;

the link quality threshold for the change of the direct communication interface resource allocation mode configured for the terminal is mainly a first link quality threshold of an interface between the terminal and the network equipment. The first link quality thresholds corresponding to the changes between different resource allocation modes may be the same or different, and if different, they need to be configured separately.

The values of the first link quality threshold and the third link quality threshold are generally different, and the requirement of the first link quality threshold is stricter than that of the third link quality threshold.

The specific configuration modes of the first link quality threshold and the third link quality threshold may be two types:

mode 1: configuring network equipment;

mode 2: and (4) pre-configuration.

The third link quality threshold comprises at least one of the following information:

s411, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

s412, at least one process of an interface between the terminal and the network equipment continuously receives a threshold value of HARQ non-acknowledgement times;

S413, an interface R L C layer retransmission time threshold value between the terminal and the network equipment;

s414, a random access failure time threshold value of an interface between the terminal and the network equipment;

and S415, a threshold value of downlink out-of-step times of an interface physical layer between the terminal and the network equipment.

Step S42, judging whether the link quality meets a third link quality threshold;

the terminal measures the link quality of the interface between the current terminal and the network device, and determines whether the third link quality threshold configured in step S41 is satisfied.

s421, at least one of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device is less than or equal to the threshold value of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device and the measurement result of the quality of the downlink channel of the interface between the terminal and the network device is less than or equal to the threshold value of the measurement result of the quality of the downlink channel of the interface between the terminal and the network device.

S422, the number of times that at least one process of the interface between the terminal and the network equipment receives the HARQ non-acknowledgement is larger than or equal to the threshold value of the number of times that at least one process of the interface between the terminal and the network equipment continuously receives the HARQ non-acknowledgement;

for example, the number of HARQ non-acknowledgement responses continuously received for the same or different HARQ processes is greater than or equal to a threshold value of the number of hybrid automatic repeat request non-acknowledgement responses continuously received by at least one process of an interface between the terminal and the network device.

And S423, the retransmission times of the interface R L C layer between the terminal and the network equipment are more than or equal to the retransmission time threshold value of the interface R L C layer between the terminal and the network equipment.

S424, the number of times of random access failure of the interface between the terminal and the network device is greater than or equal to the threshold value of the number of times of random access failure of the interface between the terminal and the network device.

And S425, the downlink out-of-step times of the interface physical layer between the terminal and the network equipment is greater than or equal to the downlink out-of-step time threshold value of the interface physical layer between the terminal and the network equipment.

When any one of the above conditions is satisfied, the terminal will be triggered to start searching for the scheduling terminal. Further, if there is a suitable scheduling terminal, it may also request the scheduling terminal to allocate resources.

Step S43, judging whether the link quality meets the link quality threshold of the direct communication interface resource allocation mode change;

specifically, the terminal measures the link quality of the interface between the current terminal and the network device, and determines whether the first link quality threshold of the interface between the terminal and the network device configured in step S41 is satisfied.

s431, at least one of the measurement result of the quality of the uplink channel of the interface between the terminal and the network equipment is less than or equal to the threshold value of the measurement result of the quality of the uplink channel of the interface between the terminal and the network equipment, and the measurement result of the quality of the downlink channel of the interface between the terminal and the network equipment is less than or equal to the threshold value of the measurement result of the quality of the downlink channel of the interface between the terminal and the network equipment;

s432, the number of times that at least one process of an interface between the terminal and the network equipment receives the HARQ non-acknowledgement is larger than or equal to the threshold value of the number of times that at least one process of the interface between the terminal and the network equipment continuously receives the HARQ non-acknowledgement;

s433, the retransmission times of an interface R L C layer between the terminal and the network equipment are more than or equal to the retransmission time threshold value of an interface R L C layer between the terminal and the network equipment;

s434, the number of times of random access failure of the interface between the terminal and the network device is greater than or equal to the threshold value of the number of times of random access failure of the interface between the terminal and the network device.

S435, the downlink out-of-step times of the interface physical layer between the terminal and the network device is larger than or equal to the downlink out-of-step times threshold value of the interface physical layer between the terminal and the network device.

When at least one of the above conditions is satisfied, the trigger terminal changes the Mode 1/Mode2a/Mode 2c to the Mode2d, and the process proceeds to step S44 or step S45, where step S44 includes: steps S44a, S44 b; step S45 includes: in steps S45a, S45b and S45c, it should be noted that these two steps are used alternatively. Step S44 is to determine the changed resource allocation pattern corresponding to the terminal itself, and step S45 is to request the network side to perform the change of the direct communication interface resource allocation pattern corresponding to the terminal.

In step S44a, the terminal detects whether there is any other scheduling terminal capable of scheduling the terminal, and changes the direct communication interface resource allocation Mode from Mode 1/Mode2a/Mode 2c to Mode2d when detecting the scheduling terminal capable of scheduling the terminal.

Step S44b, notifying the network device of the changed resource allocation mode of the direct communication interface through RRC signaling;

it should be noted that step S44b is an optional step, and the terminal may or may not perform this step.

Step S45a, sending resource allocation mode request information to the network equipment;

Step S45b, the network device executes resource allocation mode change decision for the terminal;

Step S45c, the network device notifies the terminal of the direct communication interface resource allocation mode changed by the terminal.

Third, Mode2d is changed to Mode 1, Mode2a or Mode2c

The specific implementation process is as follows:

step S51, configuring the link quality threshold of the direct communication interface resource allocation mode change for the terminal;

mode 1: configuring network equipment;

mode 2: and (4) pre-configuration.

s511, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

s512, at least one process of an interface between the terminal and the network equipment continuously receives a hybrid automatic repeat request non-acknowledgement response time threshold value;

S513, an interface R L C layer retransmission time threshold value between the terminal and the network equipment;

s514, a random access failure time threshold value of an interface between the terminal and the network equipment;

and S515, a downlink out-of-step time threshold value of an interface physical layer between the terminal and the network equipment.

Step S52, judging whether the link quality meets the link quality threshold of the direct communication interface resource allocation mode change;

specifically, the terminal measures the link quality of the interface between the current terminal and the network device, and determines whether the first link quality threshold of the interface between the terminal and the network device configured in step S51 is satisfied.

For example, when the terminal is to change from Mode2d to Mode 1/Mode2a/Mode 2c, it is determined whether one of the following conditions is satisfied:

s521, at least one of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device is greater than or equal to the threshold value of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device and the measurement result of the quality of the downlink channel of the interface between the terminal and the network device is greater than or equal to the threshold value of the measurement result of the quality of the downlink channel of the interface between the terminal and the network device.

S522, the number of times that at least one process of the interface between the terminal and the network equipment receives the HARQ non-acknowledgement is less than or equal to the threshold value of the number of times that at least one process of the interface between the terminal and the network equipment continuously receives the HARQ non-acknowledgement;

for example, the number of HARQ non-acknowledgement responses continuously received for the same or different HARQ processes is less than or equal to the threshold value of the number of hybrid automatic repeat request non-acknowledgement responses continuously received by at least one process of the interface between the terminal and the network device.

S523, the retransmission times of the interface R L C layer between the terminal and the network device are less than or equal to the retransmission time threshold of the interface R L C layer between the terminal and the network device.

S524, the number of times of random access failure of the interface between the terminal and the network device is less than or equal to the threshold of the number of times of random access failure of the interface between the terminal and the network device.

And S525, the downlink out-of-step times of the interface physical layer between the terminal and the network equipment is less than or equal to the downlink out-of-step times threshold value of the interface physical layer between the terminal and the network equipment.

When at least one of the above conditions is satisfied, the trigger terminal performs a change from Mode2d to Mode 1/Mode2a/Mode 2c, and the process proceeds to step S53 or step S54, wherein step S53 includes: steps S53a, S53 b; step S54 includes: in steps S54a, S54b and S54c, it should be noted that these two steps are used alternatively. Step S53 is to determine the changed resource allocation pattern corresponding to the terminal itself, and step S54 is to request the network side to perform the change of the direct communication interface resource allocation pattern corresponding to the terminal.

Step S53a, the terminal detects whether there is any other scheduling terminal capable of scheduling the terminal, and changes the direct communication interface resource allocation Mode from Mode2d to Mode 1/Mode2a/Mode 2c when detecting the scheduling terminal capable of scheduling the terminal.

Step S53b, notifying the network device of the changed resource allocation mode of the direct communication interface through RRC signaling;

it should be noted that step S53b is an optional step, and the terminal may or may not perform this step.

Step S54a, sending resource allocation mode request information to the network equipment;

Step S54b, the network device executes resource allocation mode change judgment for the terminal;

Step S54c, the network device notifies the terminal of the direct communication interface resource allocation mode changed by the terminal.

Fourth, Mode 1 or Mode2c is changed to Mode2a

The specific implementation process is as follows:

step S61, configuring the link quality threshold of the direct communication interface resource allocation mode change for the terminal;

mode 1: configuring network equipment;

mode 2: and (4) pre-configuration.

s611, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

s612, at least one process of an interface between the terminal and the network equipment continuously receives a threshold value of HARQ non-acknowledgement response times;

S613, an interface R L C layer retransmission time threshold value between the terminal and the network equipment;

s614, a random access failure time threshold value of an interface between the terminal and the network equipment;

s615, a threshold value of downlink out-of-step times of an interface physical layer between the terminal and the network equipment.

For example, if the terminal wants to change from Mode 1/Mode2c to Mode2a, it determines whether one of the following conditions is satisfied:

When at least one of the above conditions is satisfied, the trigger terminal performs a change from Mode 1/Mode2c to Mode2a, and the process proceeds to step S63 or step S64, where step S63 includes: steps S63a, S63 b; step S64 includes: in steps S64a, S64b and S64c, it should be noted that these two steps are used alternatively. Step S63 is to determine the changed resource allocation pattern corresponding to the terminal itself, and step S64 is to request the network side to perform the change of the direct communication interface resource allocation pattern corresponding to the terminal.

Step S63a, the terminal detects whether there is any other scheduling terminal capable of scheduling the terminal, and changes the direct communication interface resource allocation Mode from Mode 1/Mode2c to Mode2a when detecting the scheduling terminal capable of scheduling the terminal.

Step S63b, notifying the changed resource allocation mode of the direct communication interface to the network device through RRC signaling;

it should be noted that step S63b is an optional step, and the terminal may or may not perform this step.

Step S64a, sending resource allocation mode request information to the network equipment;

Step S64b, the network device executes resource allocation mode change judgment for the terminal;

Step S64c, the network device notifies the terminal of the direct communication interface resource allocation mode changed by the terminal.

Fifth, Mode2a is changed to Mode 1 or Mode2c

The specific implementation process is as follows:

step S71, configuring the link quality threshold of the direct communication interface resource allocation mode change for the terminal;

the link quality threshold for the change of the direct communication interface resource allocation mode configured for the terminal is mainly a first link quality threshold of an interface between the terminal and the network device and/or a second link quality threshold of a direct communication interface.

The first link quality threshold and/or the second link quality threshold corresponding to the change between different resource allocation modes may be the same or different, and if different, need to be configured separately.

The specific configuration modes of the first link quality threshold and/or the second link quality threshold may be two types:

mode 1: configuring network equipment;

mode 2: and (4) pre-configuration.

s7111, at least one of a threshold value of a measurement result of the quality of an interface uplink channel between the terminal and the network equipment and a threshold value of a measurement result of the quality of an interface downlink channel between the terminal and the network equipment;

s7112, at least one process of an interface between the terminal and the network equipment continuously receives a hybrid automatic repeat request non-acknowledgement response time threshold value;

S7113, an interface R L C layer retransmission time threshold value between the terminal and the network equipment;

s7114, a threshold value of the number of random access failures of an interface between the terminal and the network equipment;

and S7115, and a threshold value of downlink out-of-step times of an interface physical layer between the terminal and the network equipment.

Specifically, the second link quality threshold includes at least one of the following information:

s7121, a threshold value of a measurement result of the channel quality of the direct communication interface;

s7122, service quality satisfaction degree threshold of the direct communication interface service;

S7123, at least one process of the direct communication interface continuously receives a hybrid automatic repeat request non-acknowledgement response time threshold value;

s7124, a retransmission time threshold value of a layer R L C of the direct communication interface;

s7125, a threshold value of the number of synchronization failures between the direct communication interface terminals.

Step S72, judging whether the link quality meets the link quality threshold of the direct communication interface resource allocation mode change;

the terminal measures the link quality of the interface between the current terminal and the network device and/or the link quality of the direct communication interface, and determines whether the first link quality threshold of the interface between the terminal and the network device and/or the second link quality threshold of the direct communication interface, which are configured in step S71, are met.

For example, if the terminal wants to change from Mode2a to Mode 1/Mode2c, it is determined whether the interface between the terminal and the network device satisfies one of the following conditions:

s7211, at least one of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device is greater than or equal to the threshold value of the measurement result of the quality of the uplink channel of the interface between the terminal and the network device and the measurement result of the quality of the downlink channel of the interface between the terminal and the network device is greater than or equal to the threshold value of the measurement result of the quality of the downlink channel of the interface between the terminal and the network device.

S7212, the number of times that at least one process of an interface between the terminal and the network equipment receives the HARQ non-acknowledgement is less than or equal to the threshold value of the number of times that at least one process of the interface between the terminal and the network equipment continuously receives the HARQ non-acknowledgement;

S7213, the retransmission times of the interface R L C layer between the terminal and the network equipment are less than or equal to the retransmission time threshold of the interface R L C layer between the terminal and the network equipment.

S7214, the random access failure times of the interface between the terminal and the network equipment are less than or equal to the threshold value of the random access failure times of the interface between the terminal and the network equipment.

S7215, the downlink out-of-step times of the interface physical layer between the terminal and the network equipment is less than or equal to the threshold value of the downlink out-of-step times of the interface physical layer between the terminal and the network equipment.

Whether the link quality of the direct communication interface satisfies one of the following conditions:

s7221, the measurement result of the channel quality of the direct communication interface is less than or equal to the threshold value of the measurement result of the channel quality of the direct communication interface;

s7222, the service quality satisfaction degree of the direct communication interface service is less than or equal to the service quality satisfaction degree threshold of the direct communication interface service;

for example, the PDB (Packet Delay Budget) satisfaction threshold, and the PER (Packet error rate) satisfaction are less than or equal to the qos satisfaction threshold of the direct communication interface service;

s7223, the number of times that at least one process of the direct communication interface continuously receives the HARQ non-acknowledgement is greater than or equal to the threshold value of the number of times that at least one process of the direct communication interface continuously receives the HARQ non-acknowledgement;

s7224, the retransmission times of the C layer of the direct communication interface R L are more than or equal to the retransmission time threshold value of the C layer of the direct communication interface R L;

s7225, the number of synchronization failures between the terminals of the direct communication interfaces is greater than or equal to the threshold value of the number of synchronization failures between the terminals of the direct communication interfaces.

When the interface between any terminal and the network device at least satisfies one condition or both the interface between the terminal and the network device and the direct communication interface satisfy at least one condition, the method will trigger the terminal to perform the change from Mode2a to Mode 1/Mode2c, and proceed to step S73 or step S74, where step S73 includes: steps S73a, S73 b; step S74 includes: in steps S74a, S74b and S74c, it should be noted that these two steps are used alternatively. Step S73 is to determine the changed resource allocation pattern corresponding to the terminal itself, and step S74 is to request the network side to perform the change of the direct communication interface resource allocation pattern corresponding to the terminal.

Step S73a, the terminal detects whether there is any other scheduling terminal capable of scheduling the terminal, and changes the direct communication interface resource allocation Mode from Mode2a to Mode 1/Mode2c when detecting the scheduling terminal capable of scheduling the terminal.

Step S73b, notifying the network device of the changed resource allocation mode of the direct communication interface through RRC signaling;

Step S74a, sending resource allocation mode request information to the network equipment;

Step S74b, the network device executes resource allocation mode change judgment for the terminal;

Step S74c, the network device notifies the terminal of the direct communication interface resource allocation mode changed by the terminal.

It should be noted that, the embodiment of the present invention may enable the terminal to use a more appropriate resource allocation manner, so as to better satisfy the transmission requirement of the direct communication service.

As shown in fig. 5, a resource allocation mode change configuration method according to an embodiment of the present invention is applied to a network device, and includes:

and step 51, sending the changed resource allocation mode of the direct communication interface to the terminal.

Further, the specific implementation manner of step 51 is as follows:

receiving resource allocation mode request information sent by a terminal;

In the above embodiments, all the descriptions about the network device are applied to the embodiment of the resource allocation pattern change configuration method applied to the network device, and the same technical effects as those of the embodiment can be achieved.

As shown in fig. 6, an embodiment of the present invention provides a terminal 60, including:

a first obtaining module 61, configured to obtain a target link quality, where the target link quality includes: at least one of a link quality of a terminal direct communication interface and a link quality of an interface between the terminal and the network device;

a second obtaining module 62, configured to obtain the resource allocation pattern of the changed direct communication interface when the target link quality meets the link quality threshold of the direct communication interface resource allocation pattern change.

Optionally, before the obtaining, by the second obtaining module 62, the resource allocation mode of the changed direct communication interface when the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, the terminal further includes:

a third obtaining module, configured to obtain a third link quality threshold used to trigger the terminal to start searching for an interface between the terminal and the network device;

the second obtaining module 62 is configured to:

Further, the third link quality threshold is configured by a network device or agreed by a protocol.

Optionally, the second obtaining module 62 is configured to:

Further, when the terminal is located within the network coverage, after the second obtaining module 62 determines the changed resource allocation mode of the direct communication interface, the terminal further includes:

and the notification module is used for notifying the changed resource allocation mode of the direct communication interface to the network equipment through a Radio Resource Control (RRC) signaling.

Optionally, the second obtaining module 62 includes:

a sending unit, configured to send resource allocation mode request information to a network device;

a receiving unit, configured to receive the changed resource allocation mode of the direct communication interface fed back by the network device.

It should be noted that the terminal embodiment is a terminal corresponding to the above method embodiments one to one, and all implementation manners in the above method embodiments are applicable to the terminal embodiment, and the same technical effect can be achieved.

As shown in fig. 7, the embodiment of the present invention further provides a terminal 70, which includes a processor 71, a transceiver 72, a memory 73, and a program stored on the memory 73 and operable on the processor 71; the transceiver 72 is connected to the processor 71 and the memory 73 through a bus interface, wherein the processor 71 is configured to read a program in the memory, and execute the following processes:

It should be noted that in fig. 7, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 71 and various circuits of memory represented by memory 73 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 72 may be a number of elements including a transmitter and a transceiver providing a means for communicating with various other apparatus over a transmission medium. For different terminals, the user interface 74 may also be an interface capable of interfacing with a desired device, including but not limited to a keypad, display, speaker, microphone, joystick, etc. The processor 71 is responsible for managing the bus architecture and general processing, and the memory 73 may store data used by the processor 71 in performing operations.

Optionally, the first link quality threshold includes one of the following information:

Optionally, the second link quality threshold includes one of the following information:

sending resource allocation mode request information to the network equipment;

Further, the resource allocation mode request information carries at least one of the following information:

An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the resource allocation pattern changing method applied to the terminal.

As shown in fig. 8, an embodiment of the present invention provides a network device 80, including:

a sending module 81, configured to send the changed resource allocation mode of the direct communication interface to the terminal.

Further, the sending module 81 includes:

a request receiving unit, configured to receive resource allocation mode request information sent by a terminal;

a configuration unit, configured to configure, according to the resource allocation mode request information, a resource allocation mode of the changed direct communication interface for the terminal;

and a mode transmitting unit for transmitting the changed resource allocation mode of the direct communication interface to the terminal.

Optionally, the resource allocation mode request information carries at least one of the following information:

It should be noted that the network device embodiment is a network device corresponding to the above method embodiment one to one, and all implementation manners in the above method embodiment are applicable to the network device embodiment, and the same technical effect can be achieved.

As shown in fig. 9, an embodiment of the present invention further provides a network device 90, which includes a processor 91, a transceiver 92, a memory 93, and a program stored on the memory 93 and operable on the processor 91; the transceiver 92 is connected to the processor 91 and the memory 93 through a bus interface, wherein the processor 91 is configured to read a program in the memory and execute the following processes:

the changed resource allocation pattern of the direct communication interface is transmitted to the terminal through the transceiver 92.

It should be noted that in fig. 9, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 91 and various circuits of memory represented by memory 93 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 92 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 91 is responsible for managing the bus architecture and general processing for different terminals, and the memory 93 may store data used by the processor 91 in performing operations.

Optionally, the processor 91 is configured to read a program in a memory, and execute the following processes:

receiving, by the transceiver 92, resource allocation mode request information transmitted by the terminal;

the changed resource allocation pattern of the direct communication interface is transmitted to the terminal via the transceiver 92.

The network device may be a Base Transceiver Station (BTS) in Global System for mobile communications (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), an evolved Node B (evolved Node B, eNB, or eNodeB) in L TE, a relay Station or an Access point, or a Base Station ng-NB (next Generation Node B) in a future 5G network, or a central control unit (cu), (central unit), and the like, which is not limited herein.

The embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the resource allocation mode change configuration method applied to the network device.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims

1. A resource allocation mode changing method is applied to a terminal and is characterized by comprising the following steps:

2. The method according to claim 1, wherein the changing of the direct communication interface resource allocation pattern comprises at least one of:

3. The method of claim 1, wherein the link quality threshold for the direct communication interface resource allocation mode change comprises: at least one of a first link quality threshold of an interface between the terminal and the network device and a second link quality threshold of a direct communication interface.

4. The method of claim 1 or 3, wherein the link quality threshold for the direct communication interface resource allocation mode change is configured by a network device or agreed by a protocol.

5. The method of claim 3, wherein the first link quality threshold comprises one of the following information:

6. The method of claim 3, wherein the second link quality threshold comprises one of the following information:

7. The method of claim 3, wherein the changing the resource allocation pattern at the link quality threshold of the direct communication interface resource allocation pattern comprises: when a first link quality threshold of an interface between a terminal and a network device is reached, the target link quality meets a link quality threshold of a direct communication interface resource allocation mode change, and the method comprises at least one of the following modes:

8. The method of claim 3, wherein the changing the resource allocation pattern at the link quality threshold of the direct communication interface resource allocation pattern comprises: when a first link quality threshold of an interface between a terminal and a network device is reached, the target link quality meets a link quality threshold of a direct communication interface resource allocation mode change, and the method comprises at least one of the following modes:

9. The method of claim 3, wherein the changing the resource allocation pattern at the link quality threshold of the direct communication interface resource allocation pattern comprises: when the second link quality threshold of the direct communication interface is reached, the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, and the method includes at least one of the following modes:

10. The method of claim 3, wherein the changing the resource allocation pattern at the link quality threshold of the direct communication interface resource allocation pattern comprises: when the second link quality threshold of the direct communication interface is reached, the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, and the method includes at least one of the following modes:

11. The method of claim 1, wherein before the obtaining the resource allocation pattern of the changed direct communication interface when the target link quality satisfies the link quality threshold of the direct communication interface resource allocation pattern change, the method further comprises:

12. The method of claim 11, wherein the third link quality threshold comprises one of the following information:

13. The method of claim 11, wherein the target link quality meets the third link quality threshold by at least one of:

14. The method of claim 11, wherein the target link quality meets the third link quality threshold by at least one of:

15. The method of claim 11, wherein the third link quality threshold is configured by a network device or agreed upon by a protocol.

16. The method according to claim 1, wherein the obtaining the changed resource allocation pattern of the direct communication interface comprises:

17. The method according to claim 16, wherein when the terminal is located within a network coverage area, after the terminal determines the resource allocation mode of the changed direct communication interface, the method further comprises:

18. The method according to claim 1, wherein the obtaining the changed resource allocation pattern of the direct communication interface comprises:

sending resource allocation mode request information to the network equipment;

19. The method of claim 18, wherein the resource allocation pattern request message carries at least one of the following information:

20. A resource allocation mode change configuration method is applied to network equipment and is characterized by comprising the following steps:

21. The method according to claim 20, wherein the sending the changed resource allocation mode of the direct communication interface to the terminal comprises:

receiving resource allocation mode request information sent by a terminal;

22. The method according to claim 21, wherein the resource allocation pattern request message carries at least one of the following information:

23. A terminal, comprising: a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor implements the following steps when executing the program:

24. The terminal of claim 23, wherein the manner of changing the direct communication interface resource allocation pattern comprises at least one of:

25. The terminal of claim 23, wherein the link quality threshold for the direct communication interface resource allocation mode change comprises: at least one of a first link quality threshold of an interface between the terminal and the network device and a second link quality threshold of a direct communication interface.

26. The terminal according to claim 23 or 25, wherein the link quality threshold for the direct communication interface resource allocation mode change is configured by a network device or agreed upon by a protocol.

27. The terminal of claim 25, wherein the first link quality threshold comprises one of the following information:

28. The terminal of claim 25, wherein the second link quality threshold comprises one of the following information:

29. The terminal of claim 25, wherein the link quality threshold at the direct communication interface resource allocation mode change comprises: when a first link quality threshold of an interface between a terminal and a network device is reached, the target link quality meets a link quality threshold of a direct communication interface resource allocation mode change, and the method comprises at least one of the following modes:

30. The terminal of claim 25, wherein the link quality threshold at the direct communication interface resource allocation mode change comprises: when a first link quality threshold of an interface between a terminal and a network device is reached, the target link quality meets a link quality threshold of a direct communication interface resource allocation mode change, and the method comprises at least one of the following modes:

31. The terminal of claim 25, wherein the link quality threshold at the direct communication interface resource allocation mode change comprises: when the second link quality threshold of the direct communication interface is reached, the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, and the method includes at least one of the following modes:

32. The terminal of claim 25, wherein the link quality threshold at the direct communication interface resource allocation mode change comprises: when the second link quality threshold of the direct communication interface is reached, the target link quality meets the link quality threshold of the direct communication interface resource allocation mode change, and the method includes at least one of the following modes:

33. The terminal according to claim 23, wherein before the acquiring the resource allocation pattern of the changed direct communication interface when the target link quality satisfies the link quality threshold of the direct communication interface resource allocation pattern change, the processor executes the program to further implement the following steps:

34. The terminal of claim 33, wherein the third link quality threshold comprises one of the following information:

35. The terminal of claim 33, wherein the target link quality meeting the third link quality threshold comprises at least one of:

36. The terminal of claim 33, wherein the target link quality meeting the third link quality threshold comprises at least one of:

37. The terminal of claim 33, wherein the third link quality threshold is configured by a network device or agreed upon by a protocol.

38. The terminal of claim 23, wherein the processor, when executing the program, performs the steps of:

39. The terminal of claim 23, wherein the processor, when executing the program, performs the steps of:

sending resource allocation mode request information to the network equipment;

40. The terminal of claim 39, wherein the resource allocation mode request message carries at least one of the following information:

41. A network device, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor implements the following steps when executing the program:

42. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements a resource allocation schema change method according to any one of claims 1 to 19 or a resource allocation schema change configuration method according to any one of claims 20 to 22.

43. A terminal, comprising: