CN111436142A - Periodic resource allocation and determination method and equipment - Google Patents

Periodic resource allocation and determination method and equipment Download PDF

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Publication number
CN111436142A
CN111436142A CN201910232749.1A CN201910232749A CN111436142A CN 111436142 A CN111436142 A CN 111436142A CN 201910232749 A CN201910232749 A CN 201910232749A CN 111436142 A CN111436142 A CN 111436142A
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state
target resource
rrc signaling
terminal device
resource
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CN201910232749.1A
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CN111436142B (en
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鲍炜
杨晓东
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK

Abstract

The invention provides a method and a device for configuring and determining periodic resources, wherein the configuration method comprises the following steps: and sending a first Radio Resource Control (RRC) signaling, wherein the first RRC signaling is used for a terminal device to determine the state of a target resource, and the target resource comprises a periodic resource configured for a secondary link of the terminal device. Since the network device determines the state of the target resource configured for the terminal device through RRC signaling, rather than through a PDCCH as in the related art, the complexity of determining the state of the target resource can be reduced, thereby improving the utilization rate of the target resource and the communication efficiency of the entire system.

Description

Periodic resource allocation and determination method and equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for configuring and determining periodic resources.
Background
In a long Term Evolution (L ong Term Evolution, L TE) system, a UE determines S L resources through two modes, one is a network Scheduling mode (mode1) and the other is a UE autonomous mode (mode 2). Semi-Persistent Scheduling (SPS) is one of S L Resource configuration modes under mode 1. currently, for SPS in a secondary link, the network device performs S L period Resource configuration through Radio Resource Control (RRC) signaling, and determines the state (activation/deactivation) of the S L period Resource through a Physical Downlink Control Channel (PDCCH).
However, in practical applications, a Radio Access Technology (RAT) adopted by a secondary link interface between UEs may occur, and a scenario that a RAT adopted by a User to Network interface (Uu) of the UE is different from that adopted by a UE User to Network interface (L TE), for example, a scenario that a secondary link interface between UEs adopts L TE, and a Uu interface of the UE adopts a New Radio Access (NR).
Therefore, it is desirable to provide a better periodic resource allocation scheme to solve the above problems.
It should be noted that, although the scheme for configuring periodic resources proposed in the present application is to solve the above-mentioned problem when determining the state of periodic resources of a secondary link across RATs, the scheme proposed in the present application is not only applicable to the above-mentioned scenario in which the state of periodic resources of a secondary link is determined across RATs, but also applicable to a scenario in which the state of other periodic resources is determined.
Disclosure of Invention
Embodiments of the present invention provide a method and an apparatus for configuring and determining a periodic resource, so as to reduce complexity of determining a state of an S L periodic resource, and improve resource utilization and communication efficiency.
In a first aspect, a periodic resource configuration method is provided, which is applied to a network device, and the method includes:
and sending a first Radio Resource Control (RRC) signaling, wherein the first RRC signaling is used for a terminal device to determine the state of a target resource, and the target resource comprises a periodic resource configured for a secondary link of the terminal device.
In a second aspect, a method for determining periodic resources is provided, which is applied to a terminal device, and the method includes:
receiving a first Radio Resource Control (RRC) signaling;
and determining the state of target resources according to the first RRC signaling, wherein the target resources comprise periodic resources configured for a secondary link of the terminal equipment.
In a third aspect, a network device is provided, which includes:
a first sending module, configured to send a first radio resource control RRC signaling, where the first RRC signaling is used for a terminal device to determine a state of a target resource, and the target resource includes a periodic resource configured for a secondary link of the terminal device.
In a fourth aspect, a terminal device is provided, which includes:
a first receiving module, configured to receive a first radio resource control RRC signaling;
a first determining module, configured to determine a state of a target resource according to the first RRC signaling, where the target resource includes a periodic resource configured for a sidelink of the terminal device.
In a fifth aspect, a network device is provided, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method according to the first aspect.
In a sixth aspect, a terminal device is provided, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method according to the second aspect.
In a seventh aspect, a computer readable medium is provided, having a program stored thereon, which when executed by a processor, performs the steps of the method according to the first or second aspect.
In the embodiment of the invention, since the network device determines the state of the target resource configured for the terminal device through the RRC signaling, rather than through the PDCCH as in the related art, the complexity of determining the state of the target resource can be reduced, thereby improving the utilization rate of the target resource and the communication efficiency of the whole system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario of the technical solution provided by the embodiment of the present invention.
Fig. 2 is a flowchart illustrating a periodic resource allocation method according to an embodiment of the present invention.
Fig. 3 is a second flowchart illustrating a periodic resource allocation method according to an embodiment of the present invention.
Fig. 4 is a flowchart of a periodic resource determining method according to an embodiment of the present invention.
Fig. 5 is a second flowchart illustrating a periodic resource determination method according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a network device 600 according to an embodiment of the present invention.
Fig. 7 is a second schematic structural diagram of a network device 600 according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a terminal device 800 according to an embodiment of the present invention.
Fig. 9 is a second schematic structural diagram of a terminal device 800 according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a terminal device 1000 according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a network device 1100 according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that the technical solution of the embodiment of the present invention can be applied to various communication systems, such as a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a long Term Evolution (L ong Term Evolution, L TE) System, a L TE Frequency Division Duplex (FDD) System, a L TE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS) or a Worldwide Interoperability for Microwave Access (WiMAX) System, a WiMAX (New Radio System, or a New Radio System NR).
A Terminal device (UE), which may also be referred to as a Mobile Terminal (Mobile Terminal), a Mobile Terminal device, or the like, may communicate with at least one core Network via a Radio Access Network (RAN, for example), where the Terminal device may be a Mobile Terminal, such as a Mobile phone (or a "cellular" phone) and a computer having the Mobile Terminal, such as a portable, pocket, handheld, computer-embedded or vehicle-mounted Mobile device, and may exchange languages and/or data with the Radio Access Network.
The network device is a device deployed in a radio access network device for configuring resources for a period, and the network device may be a Base Station, where the Base Station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Base Station (NodeB) in WCDMA, an evolved Node B (eNB or e-NodeB) and a 5G Base Station (gNB) in L TE, and a network-side device in a subsequent evolved communication system, but the term does not limit the scope of the present invention.
It should be noted that, when describing a specific embodiment, the sequence number of each process does not mean the execution sequence, and the execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiment of the present invention.
A possible application scenario of the technical solution provided by the embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, in an application scenario, a base station 11 and a transmitting terminal 12 of a secondary link (S L) communicate and Control information via a User to network (User to network interface) of a New Radio Access (NR), and a transmitting terminal 12 of the secondary link and a receiving terminal 13 of the secondary link communicate via a secondary link interface of long Term Evolution (L one Term Evolution, L TE).
It should be understood that, although the periodic resource configuration scheme proposed by the present invention is to solve the problem existing in the determination of the state of the periodic resource of the secondary link across RATs shown in fig. 1, it does not mean that the scheme proposed by the present invention is only applicable to the above scenario of determining the state of the periodic resource of the secondary link across RATs, but may also be applicable to the scenario of determining the state of other periodic resources.
The following describes a periodic resource allocation method provided in an embodiment of the present invention, where the method is applicable to a network device, for example, the base station 11 shown in fig. 1.
As shown in fig. 2, an embodiment of the present invention provides a periodic resource allocation method, which is applicable to a network device, and the method may include the following steps:
step 201, sending a first radio resource control RRC signaling, where the first RRC signaling is used for a terminal device to determine a state of a target resource, and the target resource includes a periodic resource configured for a sidelink of the terminal device.
For example, the base station 11 in fig. 1 may transmit first Radio Resource Control (RRC) signaling to the transmitting terminal 12, where the first RRC signaling may be used for the transmitting terminal 12 to determine a state of a periodic resource configured for a secondary link between the transmitting terminal 12 and the second transmitting terminal 13.
It should be understood that, in the embodiment of the present invention, the target resource may include other periodic resources configured for the terminal device in addition to the periodic resource configured for the sidelink of the terminal device.
The state of the target resource may include an activated state or a deactivated state.
In the embodiment shown in fig. 2, the target resource may also be configured to the terminal device through RRC signaling. When the network device configures the target resource to the terminal device through RRC signaling, the RRC signaling may include one or more of the following:
a time domain position and a frequency domain position of the target resource;
a period parameter of the target resource;
an antenna parameter;
a reference signal parameter;
power control parameters;
coding and transmission parameters such as Modulation and Coding Scheme (MCS), Transport Block Set (TBS), and the like;
a Hybrid Automatic Repeat reQuest (HARQ) process parameter;
control information and feedback parameters; and
other parameters needed in the transmission, etc.
Optionally, the first RRC signaling for determining the state of the target resource may be RRC signaling for configuring the target resource, or may be a separate RRC signaling different from the RRC signaling for configuring the target resource. That is, in this embodiment of the present specification, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling, or the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
It can be understood that, when the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling, the complexity of determining the state of the target resource may be further reduced, thereby further improving the communication efficiency of the entire system.
The operation of the first RRC signaling will be described below with several specific embodiments.
Implementation mode one
If the first RRC signaling and the RRC signaling configuring the target resource are the same signaling, it means that the RRC signaling configuring the target resource can also be used for the terminal device to determine the state of the target resource.
Specifically, in an example, according to a specification of a preset protocol (a default in the protocol), the first RRC signaling may be used for the terminal device to determine that the target resource is in the first state when receiving the first RRC signaling. Or, in another example, the first RRC signaling may include preset indication information, where the preset indication information may be used to indicate that the terminal device determines that the target resource is in the first state when receiving the first RRC signaling. That is, the terminal device may determine that the target resource is in the first state as soon as receiving the first RRC signaling, where the first state may be an activated state or a deactivated state.
The foregoing embodiment is intended to illustrate that, while configuring a target resource to a terminal device through RRC signaling, the target resource is activated or deactivated without activating or deactivating the target resource through additional signaling, which may save signaling overhead.
Optionally, on the basis of the first embodiment, if the first state is an active state, that is, in a case that the target resource is activated while the target resource is configured, the method shown in fig. 2 may further include: and reserving the target resource for the terminal equipment.
Due to the fact that the transmission of the first RRC signaling needs to wait for scheduling or retransmission, the first RRC signaling is sent with a certain time delay or under the condition that the sending time is uncertain, and the like, so that the network equipment is difficult to accurately judge the time when the terminal equipment receives the first RRC signaling, and finally the network equipment is difficult to reserve the target resource for the terminal equipment according to the accurate time when the terminal equipment receives the first RRC signaling. In order to ensure that the terminal device can reserve the target resource when the target resource needs to be used, in a simple example, the target resource may be reserved for the terminal device from the time when the first RRC signaling is sent; alternatively, in another relatively precise example, the target resource may be reserved for the terminal device from receiving the feedback information of the successful transmission of the first RRC signaling, that is, once the first RRC signaling is transmitted or transmitted successfully (for example, HARQ feedback information is received), the terminal device is considered to have successfully received the first RRC signaling and activated the target resource, and the network device may start to reserve the target resource for the terminal device.
Similarly, for the network device deactivating or releasing the target resource through another RRC signaling (such as the second RRC signaling hereinafter), there is also a problem that the transmission delay of the RRC signaling is not fixed, and therefore, if the second state hereinafter includes any one of a deactivation state, a reconfiguration state, and a release state, the method shown in fig. 2 may further include: receiving confirmation information fed back by the terminal equipment, wherein the confirmation information is used for confirming that the target resource is in any one of a deactivation state, a reconfiguration state and a release state; and recovering the target resource according to the confirmation information, namely after the network equipment receives the confirmation information returned by the terminal equipment, the network equipment considers that the target resource is in a deactivation state or a release state, and further the target resource can be recovered.
Alternatively, if the second state hereinafter includes any one of a deactivation state, a reconfiguration state and a release state, the method shown in fig. 2 may further include: and after receiving the confirmation information that the second RRC signaling transmission is successful, recovering the target resource. That is, the network device may track the transmission result of the second RRC signaling, and may recover the target resource after obtaining the indication of successful transmission of the second RRC signaling.
Second embodiment
The first RRC signaling carries effective time information of a first state, where the first state may include an activated state or a deactivated state; correspondingly, the first RRC signaling may be used by the terminal device to determine the state of the target resource according to the validation time information.
In embodiment two, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
In the second example of the embodiment, the validation time information of the first state carried in the first RRC signaling may include a validation time point of the first state. Accordingly, the first RRC signaling may be used by the terminal device to determine that the target resource is in the first state from the validation time point.
In the first RRC signaling, the effective time point of the first state can be represented by the following two forms:
in one form, the representation is by relative time position. For example, the System Frame Number (SFN) may be used to indicate that the SFN is maintained synchronously at the network device side and the terminal device side, and therefore, it is agreed in the first RRC signaling that a certain SFN after the first RRC signaling is transmitted in the first RRC signaling starts to take effect, and it may be ensured that there is no doubt in determining the effective time of the first state at the network device side and the terminal device side.
In another form, the representation is by absolute time points. For example, it may be represented by GPS time or other representation of absolute points in time.
For example, if the first state is an active state, and the effective time of the first state carried in the first RRC signaling is a specific time (absolute time point), the terminal device may activate the target resource at the specific time after receiving the first RRC signaling, so as to start using the target resource after the specific time.
It is understood that, if the first state is the active state, by using the first example of the second embodiment, the network device may start to reserve the target resource for the terminal device after the effective time point, which may avoid resource waste caused by premature reservation (e.g., reservation during the interaction process of the first RRC signaling) of the target resource, thereby improving resource utilization.
Optionally, on the basis of the first example of the first embodiment or the second embodiment, as shown in fig. 3, the method for configuring periodic resources according to the embodiment of the present invention may further include:
step 202, sending a second RRC signaling, where the second RRC signaling is used for the terminal device to change the target resource from the first state to a second state, and the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
That is, after the network device determines that the target resource is in the first state by sending the first RRC signaling, the network device may also change the state of the target resource by sending another RRC signaling. For example, if the network device determines that the target resource is in the activated state by sending the first RRC signaling, the terminal device may further change the target resource from the activated state to the deactivated state, the released state, or the reconfigured state by sending a second RRC signaling for deactivating, releasing, or reconfiguring the target resource; or, if the network device determines that the target resource is in the deactivated state by sending the first RRC signaling, the terminal device may further change the target resource from the deactivated state to the activated state by sending a second RRC signaling for activating the target resource.
For the terminal device, after receiving the second RRC signaling for deactivating, releasing, or reconfiguring the target resource, the terminal device may stop using the target resource to determine that the target resource is correspondingly in a deactivated state, a released state, or a reconfigured state, and optionally, the terminal device may further feed back, as with the network device, acknowledgement information to determine that the target resource is in the deactivated state, the released state, or the reconfigured state, so that the network device may recover the target resource.
Optionally, the second RRC signaling may further carry duration information of the target resource in the second state; at this time, the second RRC signaling may also be used to restore, by the terminal device, the target resource to the first state according to the duration information.
As an example, the duration information may include a duration; accordingly, the second RRC signaling may be used to restore, by the terminal device, the state of the target resource to the first state after the duration elapses from the reception of the second RRC signaling.
For the terminal device, the use of the target resource may be suspended from receiving the second RRC signaling, and resumed after the suspension duration reaches the duration.
As another example, the duration information includes a start time point and a duration; correspondingly, the second RRC signaling may be used to restore the state of the target resource to the first state after the terminal device starts from the starting time point and the duration elapses.
Wherein, the duration may be expressed by a specific duration, such as duration of m milliseconds; alternatively, the duration may be expressed as an integer multiple of the periodicity of the target resource, such as n periods in duration.
For the terminal device, the use of the target resource may be suspended from the start time point, and the use of the target resource may be resumed after the duration of the suspension reaches the duration.
As yet another example, the duration information includes an end time point; correspondingly, the second RRC signaling is used for the terminal device to recover the state of the target resource to the first state from the ending time point.
For the terminal device, the use of the target resource may be suspended from receiving the second RRC signaling, and resumed after reaching the end time point.
Specifically, taking the first state as the activated state and the second state as the deactivated state as an example, before the network device sends the second RRC signaling, the network device may predict the duration of the target resource in the deactivated state, that is, predict the duration of the target resource stopped by the terminal device, for example, the network device needs to reserve a period of time (which may be the duration of the second state) for stopping the target resource due to policy adjustment or resource adjustment, or the network device may predict that the terminal device needs to resume using the target resource after a certain period of time (which may be the duration of the second state) based on the prediction of the network side for the service of the terminal device; and then informing the terminal equipment of the estimated duration through a second RRC signaling so that the terminal equipment can restore the state of the target resource to an activated state when the estimated duration is over, and the terminal equipment can continue to use the target resource.
Of course, in this alternative embodiment, there may also be a problem that the understanding of the duration information by the network device and the terminal device is biased due to an uncertain transmission delay of the second RRC signaling, and in order to ensure that the terminal device can reserve the target resource when it needs to use the target resource, the time for which the network device reserves the target resource should cover (or include) the time for which the terminal device may use the target resource.
In a second example of the second embodiment, the validation time information of the first state carried in the first RRC signaling may include a validation time period of the first state. Correspondingly, the first RRC signaling may be used by the terminal device to determine that the target resource is in the first state in the validation time period, and is in the second state after the validation time period ends, where the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
In the first RRC signaling, the effective time period of the first state may be a time period lasting from a first time point for a first preset time duration; alternatively, the validation period of the first state may be a period starting from a first time point to an end of a second time point, wherein the second time point is a time point later than the first time point.
The first time point and the second time point can be represented by the following two forms:
in one form, the representation is by relative time position. For example, the SFN may be represented by the SFN, and since the SFN is maintained synchronously at the network device side and the terminal device side, it is agreed in the first RRC signaling that a certain SFN of the first state after the transmission of the first RRC signaling starts to take effect, so that the network device side and the terminal device side can ensure that the determination of the start effective time of the first state is consistent.
In another form, the representation is by absolute time points. For example, it may be represented by GPS time or other representation of absolute points in time.
In this case, if the first state is an active state, the receiving of the first RRC signaling means that the target resource is available m milliseconds after the first time point, and may not be available m milliseconds after the first RRC signaling. Alternatively, the first preset duration may be expressed by an integer multiple of the period of the target resource, such as n periods, in this case, if the first state is the active state, then for the terminal device, the receiving of the first RRC signaling means that the target resource is available within n periods after the first time point, and may not be available after n periods, in other words, the terminal device may continuously use the target resource of n periods after the first time point.
It is also understood that, if the first state is the active state, by using the second example of the second embodiment, the network device can reserve the target resource for the terminal device from the first time point to the second time point, which can avoid resource waste caused by the target resource being reserved too early or too long (e.g. during the interaction of the first RRC signaling), thereby improving resource utilization.
In addition, in the second example of the second embodiment, if the first state is the activated state, the second state is the deactivated state, so that the activation and deactivation of the target resource can be achieved through one RRC signaling (the first RRC signaling) (the deactivation operation is implicitly included in the effective time period of the activation operation), and the target resource does not need to be deactivated through an additional RRC signaling after the target resource is activated through the first RRC signaling, so that the signaling overhead of the network device can be saved.
Of course, optionally, if the first state is an activated state and the second state is a deactivated state, on the basis of the second example of the second embodiment, the network device may also deactivate, release or reconfigure the target resource at any time by sending another RRC signaling (e.g., the second RRC signaling mentioned above). For the terminal device, the use of the target resource may be stopped immediately upon receiving the further RRC signaling.
Optionally, whether the terminal device changes the target resource from the first state to the second state by the second example of the above second embodiment, or changes the target resource from the first state to the second state by another RRC signaling (second RRC signaling), if the first state is an active state and the second state is a deactivated state, the method may further include:
receiving confirmation information fed back by the terminal equipment, wherein the confirmation information is used for confirming that the target resource is in a deactivation state;
and releasing or recycling the target resource according to the confirmation information.
That is, after stopping using the target resource based on the first RRC signaling or the second RRC signaling, the terminal device may also report acknowledgement information for confirming that the target resource is deactivated to the network device, so that the network device releases or recovers the target resource.
Third embodiment
The first RRC signaling may be used by the terminal device to determine that the target resource is in a first state, where the first state includes an activated state or a deactivated state, and the first RRC signaling may also carry a failure condition of the first state, so that the first RRC signaling may be used by the terminal device to convert the target resource from the first state to a second state when the terminal device meets the failure condition, where the second state is different from the first state.
For example, on the basis of the first example of the first embodiment or the second embodiment, the first RRC signaling may further carry a failure condition of the first state, so that the first RRC signaling may be used by the terminal device to convert the target resource from the first state to the second state when the terminal device meets the failure condition.
In general, if the first state is an activated state, the second state includes any one of a deactivated state and a released state; or if the first state is a deactivation state, the second state is an activation state.
Specifically, if the first state is an activated state and the second state is a deactivated state, the failure condition may include at least one of:
the terminal equipment does not use the target resource within a second preset time (such as m milliseconds);
the terminal device does not use the target resource in a preset number of periods (such as n periods);
the quality of a secondary link of the terminal equipment meets a first preset condition; and
the result of the sidelink measurement of the terminal device meets a second preset condition, and so on.
Wherein the secondary link quality or secondary link measurement result may be characterized by one or more of the following parameters:
reference Signal Received Power (RSRP),
reference Signal Received Quality (RSRQ),
reference Signal Time Difference (RSTD),
received Signal Strength Indicator (RSSI),
block Error Rate (Block Error Rate, B L ER),
channel occupancy (CR),
channel Busy Rate (CBR), and
Signal-to-Noise and Interference Ratio (SINR), and the like.
Further, when the quality of the secondary link is represented by one or more of the parameters, whether the quality of the secondary link meets the first preset condition may be determined by determining whether the parameters are higher or lower than a preset threshold. Similarly, when the measurement result of the secondary link is represented by one or more of the parameters, whether the measurement result of the secondary link meets the second preset condition may be determined by determining whether the parameters are higher or lower than a preset threshold.
Further, on the basis of the third embodiment, if the first state is an activated state and the second state is a deactivated state, the method may further include:
receiving confirmation information fed back by the terminal equipment, wherein the confirmation information is used for confirming that the target resource is in a deactivation state;
and releasing or recycling the target resource according to the confirmation information.
That is, after determining that the target resource is in the activated state according to the first RRC signaling, the terminal device may stop using the target resource to ensure that the target resource is in the deactivated state once it is determined that the terminal device meets the failure condition of the activated state carried in the first RRC signaling. And, can also report the acknowledgement information that the acknowledgement target resource has already been deactivated to the network equipment. After receiving the confirmation information that the target resource is deactivated, the network equipment can release or recycle the target resource; or, after receiving the confirmation information that the target resource has been deactivated, the network device may determine the time for activating the target resource next time according to the actual situation without releasing or recycling the target resource; of course, after receiving the acknowledgement information that the target resource has been deactivated, the network device may also send other RRC for reconfiguring or releasing the target resource at any time, and so on.
Optionally, in the third embodiment, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
In the third embodiment of the present invention, if the first state is an activated state and the second state is a deactivated state, the target resource may be activated and deactivated (the deactivation operation is implied in the failure condition of the first state) through one RRC signaling (the first RRC signaling), and the target resource does not need to be deactivated through an additional RRC signaling after the target resource is activated through the first RRC signaling, so that the signaling overhead of the network device may be saved.
In summary, according to the method for configuring periodic resources provided in the embodiments of the present invention, since the network device determines the state of the target resource configured for the terminal device through the RRC signaling, instead of determining the state through the PDCCH as in the related art, the complexity of determining the state of the target resource can be reduced, so as to improve the utilization rate of the target resource and the communication efficiency of the entire system.
The above describes a periodic resource configuration method applied to a network device, and a periodic resource determination method applied to a terminal device will be described in detail with reference to fig. 4 and 5.
As shown in fig. 4, a method for determining a periodic resource provided in an embodiment of the present invention may be applied to a terminal device, and the method may include:
step 401, receiving a first radio resource control, RRC, signaling.
Step 402, determining a state of a target resource according to the first RRC signaling, where the target resource includes a periodic resource configured for a sidelink of the terminal device.
It should be understood that, in the embodiment of the present invention, the target resource may include other periodic resources configured for the terminal device in addition to the periodic resource configured for the sidelink of the terminal device.
The state of the target resource may include an activated state or a deactivated state.
The following describes a procedure for determining a state of a target resource according to the first RRC signaling according to various embodiments.
Implementation mode one
If the first RRC signaling and the RRC signaling configuring the target resource are the same signaling, it means that the RRC signaling configuring the target resource can also be used for the terminal device to determine the state of the target resource.
Specifically, in an example, determining the state of the target resource according to the first RRC signaling may include: and according to the provisions of a preset protocol, determining that the target resource is in the first state when the first RRC signaling is received.
Or, in another example, determining the state of the target resource according to the first RRC signaling may include: and according to preset indication information carried in the first RRC signaling, when the first RRC signaling is received, determining that the target resource is in the first state.
Wherein the first state comprises an activated state or a deactivated state.
In the first embodiment, the target resource can be activated or deactivated while the target resource is configured to the terminal device through RRC signaling, and the target resource does not need to be activated or deactivated through additional signaling, so that signaling overhead can be saved.
Optionally, on the basis of the first embodiment, if the first state is the active state, the terminal device may deactivate, release or reconfigure the target resource through another RRC signaling (such as a second RRC signaling hereinafter) sent by the network device. And after determining that the target resource is in a deactivated state, a released state or a reconfigured state, the terminal device may further send acknowledgement information to the network device, where the acknowledgement information is used to trigger the network device to recover the target resource. Or, after determining that the target resource is in the deactivated state, the terminal device may further send acknowledgement information to the network device, where the acknowledgement information may be used to trigger the network device to release or recover the target resource.
Second embodiment
The first RRC signaling carries effective time information of a first state, where the first state includes an activated state or a deactivated state, where determining a state of a target resource according to the first RRC signaling may include:
and determining the state of the target resource according to the effective time information.
In embodiment two, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
Specifically, in the first example of the second embodiment, the validation time information includes a validation time point, and accordingly, the determining the state of the target resource according to the validation time information includes:
determining that the target resource is in the first state from the point in effect time.
In the first RRC signaling, the effective time point of the first state may be represented by two forms, one of which is represented by a relative time position; in another form, the representation is by absolute time points.
On this basis, if the first state is an active state, and the effective time of the first state carried in the first RRC signaling is a specific time (absolute time point), the terminal device may activate the target resource at the specific time after receiving the first RRC signaling, so as to start using the target resource after the specific time.
Optionally, on the basis of the first example of the second implementation manner, as shown in fig. 5, the method for determining a periodic resource provided in the embodiment of the present invention may further include:
step 403, receiving a second RRC signaling.
Step 404, the target resource is changed from the first state to a second state according to the second RRC signaling, where the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
That is, after the terminal device determines that the target resource is in the first state through the first RRC signaling, the terminal device may also change the state of the target resource through the second RRC signaling. For example, after the terminal device determines that the target resource is in the activated state through the first RRC signaling, the terminal device may further deactivate, release or reconfigure the target resource through the second RRC signaling; or, after determining that the target resource is in the deactivated state through the first RRC signaling, the terminal device may further activate the target resource through a second RRC signaling.
Optionally, after the terminal device determines that the target resource is in any one of a deactivated state, a reconfigured state, and a released state according to the second RRC signaling, the method shown in fig. 5 may further include: and sending confirmation information to the network equipment, wherein the confirmation information is used for triggering the network equipment to recover the target resource.
Optionally, the second RRC signaling further carries duration information of the target resource in the second state, and the method shown in fig. 5 may further include:
and restoring the target resource to the first state according to the duration information.
In one example, the duration information includes a duration, and the restoring the target resource to the first state according to the duration information includes:
and after the duration elapses from the reception of the second RRC signaling, restoring the state of the target resource to the first state.
That is, the terminal device suspends the use of the target resource from receiving the second RRC signaling, and may resume the use of the target resource after the suspension duration reaches the duration.
In another example, the duration information includes a start time point and a duration, and the restoring the target resource to the first state according to the duration information includes:
restoring the state of the target resource to the first state after the duration has elapsed from the start time point.
That is, the terminal device suspends the use of the target resource from the start time point, and can resume the use of the target resource after the suspension duration reaches the duration.
In yet another example, the duration information includes an end time point, and the restoring the target resource to the first state according to the duration information includes:
restoring the state of the target resource to the first state from the end time point.
That is, the terminal device suspends the use of the target resource from receiving the second RRC signaling, and resumes the use of the target resource after reaching the end time point.
In a second example of the second embodiment, the validation time information includes a validation time period, and the determining the state of the target resource according to the validation time information includes:
and determining that the target resource is in the first state in the validation time period, and is in a second state after the validation time period is ended, wherein the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
In the first RRC signaling, the effective time period of the first state may be a time period lasting from a first time point for a first preset time duration; alternatively, the validation period of the first state may be a period starting from a first time point to an end of a second time point, wherein the second time point is a time point later than the first time point.
The first time point and the second time point can be represented by two forms, wherein one form is represented by relative time positions; in another form, the representation is by absolute time points.
Wherein, the first preset time duration may be expressed by a specific time length, such as m milliseconds; alternatively, the first preset duration may be expressed by an integer multiple of a period of the target resource, such as n periods.
In addition, in the second example of the second embodiment, if the first state is the activated state, the second state is the deactivated state, so that the terminal device can activate and deactivate the target resource according to one RRC signaling (the first RRC signaling) (the deactivation operation is implicitly included in the effective time period of the activation operation), and does not need to deactivate the target resource through an additional RRC signaling after the target resource is activated according to the first RRC signaling, thereby saving signaling overhead.
Of course, optionally, if the first state is an activated state and the second state is a deactivated state, on the basis of the second example of the second embodiment, the terminal device may also stop using the target resource at any time according to another RRC signaling (such as the second RRC signaling mentioned above) sent by the network device, so as to enable the target resource to be in the deactivated state, the released state, or the reconfigured state.
Optionally, whether the terminal device changes the target resource from the first state to the second state by the second example of the above second embodiment, or changes the target resource from the first state to the second state by another RRC signaling (second RRC signaling), if the first state is an active state and the second state is a deactivated state, the method may further include:
and sending confirmation information to the network equipment, wherein the confirmation information is used for triggering the network equipment to release or recycle the target resource.
Third embodiment
The first RRC signaling further carries a failure condition of the first state, where the determining the state of the target resource according to the first RRC signaling further includes:
and when the failure condition is met, the target resource is converted from the first state to a second state, wherein the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state and a released state; or if the first state is a deactivation state, the second state is an activation state.
Specifically, if the first state is an activated state and the second state is a deactivated state, the failure condition includes at least one of the following conditions:
the terminal equipment does not use the target resource within a second preset time length;
the terminal equipment does not use the target resource within a preset number of periods;
the quality of the secondary link of the terminal equipment meets a first preset condition;
and the measurement result of the secondary link of the terminal equipment meets a second preset condition.
The secondary link quality or secondary link measurement result may be characterized by one or more of RSRP, RSRQ, RSTD, RSSI, B L ER, CR, CBR, SINR, etc.
Further, when the quality of the secondary link is represented by one or more of the parameters, whether the quality of the secondary link meets the first preset condition may be determined by determining whether the parameters are higher or lower than a preset threshold. Similarly, when the measurement result of the secondary link is represented by one or more of the parameters, whether the measurement result of the secondary link meets the second preset condition may be determined by determining whether the parameters are higher or lower than a preset threshold.
Further, on the basis of the third embodiment, if the first state is an activated state and the second state is a deactivated state, the method may further include:
and when the target resource is in a deactivated state, sending confirmation information to network equipment, wherein the confirmation information is used for triggering the network equipment to release or recycle the target resource.
That is, after determining that the target resource is in the activated state according to the first RRC signaling, the terminal device may stop using the target resource to ensure that the target resource is in the deactivated state once it is determined that the terminal device meets the failure condition of the activated state carried in the first RRC signaling. And, can also report the acknowledgement information that the acknowledgement target resource has already been deactivated to the network equipment.
Optionally, in the third embodiment, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
In the third implementation manner provided in the embodiment of the present invention, if the first state is an activated state and the second state is a deactivated state, the terminal device may implement activation and deactivation of the target resource according to one RRC signaling (the first RRC signaling) (the deactivation operation is implicitly included in the failure condition of the first state), and it is not necessary to deactivate the target resource through an additional RRC signaling after the target resource is activated through the first RRC signaling, so that signaling overhead may be saved.
In summary, according to the method for determining periodic resources provided in the embodiments of the present invention, since the terminal device may determine the state of the target resource through the RRC signaling, where the target resource includes the periodic resource configured for the sidelink of the terminal device, instead of being determined through the PDCCH as in the related art, the complexity of determining the state of the target resource may be reduced, so as to improve the utilization rate of the target resource and the communication efficiency of the entire system.
The above is an introduction to the periodic resource determining method provided by the embodiment of the present invention, and the periodic resource determining method corresponds to the periodic resource allocation method in the foregoing, so that the description of the periodic resource determining method in the present specification is relatively simple, and for the relevant points, reference is made to the periodic resource allocation method in the foregoing.
The terminal device and the network device provided by the embodiment of the invention will be described with reference to fig. 6 to 9.
Fig. 6 shows a schematic structural diagram of a network device according to an embodiment of the present invention, and as shown in fig. 6, the network device 600 may include: a first transmitting module 601.
A first sending module 601, configured to send a first radio resource control RRC signaling, where the first RRC signaling is used for a terminal device to determine a state of a target resource, and the target resource includes a periodic resource configured for a secondary link of the terminal device.
In the embodiment of the present invention, the target resource may include, in addition to the periodic resource configured for the sidelink of the terminal device, another periodic resource configured for the terminal device. The state of the target resource may include an activated state or a deactivated state.
The following describes the operation of the first RRC signaling according to various embodiments.
Implementation mode one
If the first RRC signaling and the RRC signaling configuring the target resource are the same signaling, it means that the RRC signaling configuring the target resource can also be used for the terminal device to determine the state of the target resource.
Specifically, in an example, according to a specification of a preset protocol (a default in the protocol), the first RRC signaling may be used for the terminal device to determine that the target resource is in the first state when receiving the first RRC signaling. Or, in another example, the first RRC signaling may include preset indication information, where the preset indication information may be used to indicate that the terminal device determines that the target resource is in the first state when receiving the first RRC signaling. That is, the terminal device may determine that the target resource is in the first state as soon as receiving the first RRC signaling, where the first state may be an activated state or a deactivated state.
Second embodiment
The first RRC signaling carries effective time information of a first state, where the first state may include an activated state or a deactivated state; correspondingly, the first RRC signaling may be used by the terminal device to determine the state of the target resource according to the validation time information.
In embodiment two, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
In the second example of the embodiment, the validation time information of the first state carried in the first RRC signaling may include a validation time point of the first state. Accordingly, the first RRC signaling may be used by the terminal device to determine that the target resource is in the first state from the validation time point.
It is understood that, if the first state is the active state, by using the first example of the second embodiment, the network device may start to reserve the target resource for the terminal device after the effective time point, which may avoid resource waste caused by premature reservation (e.g., reservation during the interaction process of the first RRC signaling) of the target resource, thereby improving resource utilization.
Optionally, on the basis of the first example of the first embodiment or the second embodiment, as shown in fig. 7, the network device 600 according to the embodiment of the present invention may further include: a second sending module 602.
A second sending module 602, configured to send a second RRC signaling, where the second RRC signaling is used for the terminal device to change the target resource from the first state to a second state, and the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
Optionally, the second RRC signaling may further carry duration information of the target resource in the second state; at this time, the second RRC signaling may also be used to restore, by the terminal device, the target resource to the first state according to the duration information.
As an example, the duration information may include a duration; accordingly, the second RRC signaling may be used to restore, by the terminal device, the state of the target resource to the first state after the duration elapses from the reception of the second RRC signaling.
As another example, the duration information includes a start time point and a duration; correspondingly, the second RRC signaling may be used to restore the state of the target resource to the first state after the terminal device starts from the starting time point and the duration elapses.
As yet another example, the duration information includes an end time point; correspondingly, the second RRC signaling is used for the terminal device to recover the state of the target resource to the first state from the ending time point.
In a second example of the second embodiment, the validation time information of the first state carried in the first RRC signaling may include a validation time period of the first state. Correspondingly, the first RRC signaling may be used by the terminal device to determine that the target resource is in the first state in the validation time period, and is in the second state after the validation time period ends, where the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
In the first RRC signaling, the effective time period of the first state may be a time period lasting from a first time point for a first preset time duration; alternatively, the validation period of the first state may be a period starting from a first time point to an end of a second time point, wherein the second time point is a time point later than the first time point.
In the second example of the second embodiment, if the first state is the activated state, the second state is the deactivated state, so that the activation and deactivation of the target resource can be achieved through one RRC signaling (the first RRC signaling) (the deactivation operation is implicitly included in the effective time period of the activation operation), and the target resource does not need to be deactivated through an additional RRC signaling after the target resource is activated through the first RRC signaling, so that the signaling overhead of the network device can be saved.
Optionally, whether the terminal device converts the target resource from the first state to the second state by the second example of the above second embodiment, or converts the target resource from the first state to the second state by another RRC signaling (second RRC signaling), if the first state is an active state and the second state is a deactivated state, the network device 600 may further include:
a confirmation message receiving module, configured to receive confirmation information fed back by the terminal device, where the confirmation information is used to confirm that the target resource is in a deactivated state;
and the resource processing module is used for releasing or recycling the target resource according to the confirmation information.
Third embodiment
The first RRC signaling may be used by the terminal device to determine that the target resource is in a first state, where the first state includes an activated state or a deactivated state, and the first RRC signaling may also carry a failure condition of the first state, so that the first RRC signaling may be used by the terminal device to convert the target resource from the first state to a second state when the terminal device meets the failure condition, where the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state and a released state; or if the first state is a deactivation state, the second state is an activation state.
Specifically, if the first state is an activated state and the second state is a deactivated state, the failure condition may include at least one of:
the terminal equipment does not use the target resource within a second preset time (such as m milliseconds);
the terminal device does not use the target resource in a preset number of periods (such as n periods);
the quality of a secondary link of the terminal equipment meets a first preset condition; and
the result of the sidelink measurement of the terminal device meets a second preset condition, and so on.
Further, on the basis of the third embodiment, if the first state is an activated state and the second state is a deactivated state, the network device 600 may further include:
a confirmation information receiving module, configured to receive confirmation information fed back by the terminal device, where the confirmation information is used to confirm that the target resource is in a deactivated state;
and the resource processing module is used for releasing or recycling the target resource according to the confirmation information.
Optionally, in the third embodiment, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
In the third embodiment of the present invention, if the first state is an activated state and the second state is a deactivated state, the target resource may be activated and deactivated (the deactivation operation is implied in the failure condition of the first state) through one RRC signaling (the first RRC signaling), and the target resource does not need to be deactivated through an additional RRC signaling after the target resource is activated through the first RRC signaling, so that the signaling overhead of the network device may be saved.
In summary, the network device 600 according to the embodiment of the present invention may determine the state of the target resource configured for the terminal device through RRC signaling, instead of determining the state through a PDCCH as in the related art, so that the complexity of determining the state of the target resource may be reduced, and the utilization rate of the target resource and the communication efficiency of the entire system may be improved. .
The network device 600 shown in fig. 6 may be used to implement various embodiments of the periodic resource allocation method shown in fig. 2, and please refer to the above method embodiments for relevant matters.
As shown in fig. 8, an embodiment of the present invention further provides a terminal device 800, where the terminal device 800 may include:
a first receiving module 801, configured to receive a first radio resource control RRC signaling.
A first determining module 802, configured to determine a state of a target resource according to the first RRC signaling, where the target resource includes a periodic resource configured for a sidelink of the terminal device.
In the embodiment of the present invention, the target resource may include, in addition to the periodic resource configured for the sidelink of the terminal device, another periodic resource configured for the terminal device. The state of the target resource may include an activated state or a deactivated state.
The following describes a process of determining the state of the target resource by the first determining module 802 according to the first RRC signaling, according to various embodiments.
Implementation mode one
If the first RRC signaling and the RRC signaling configuring the target resource are the same signaling, it means that the RRC signaling configuring the target resource can also be used for the terminal device to determine the state of the target resource.
Specifically, in one example, the first determining module 802 can be configured to: and according to the provisions of a preset protocol, determining that the target resource is in the first state when the first RRC signaling is received.
Alternatively, in another example, the first determination module 802 may be configured to: and according to preset indication information carried in the first RRC signaling, when the first RRC signaling is received, determining that the target resource is in the first state.
Wherein the first state comprises an activated state or a deactivated state.
Second embodiment
The first RRC signaling carries effective time information of a first state, where the first state includes an activated state or a deactivated state, and the first determining module 802 may be configured to: and determining the state of the target resource according to the effective time information.
In embodiment two, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
Specifically, in the first example of the second embodiment, the validation time information includes a validation time point, and accordingly, the first determining module 802 is specifically configured to: determining that the target resource is in the first state from the point in effect time.
Optionally, on the basis of the first example of the second implementation manner, as shown in fig. 9, the terminal device 800 provided in the embodiment of the present invention may further include:
a second receiving module 803, configured to receive a second RRC signaling.
A second determining module 804, configured to change the target resource from the first state to a second state according to the second RRC signaling, where the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
Optionally, the terminal device 800 shown in fig. 9 may further include: and the confirmation information sending module is used for sending confirmation information to the network equipment after the terminal equipment determines that the target resource is in any one of a deactivation state, a reconfiguration state and a release state according to the second RRC signaling, wherein the confirmation information is used for triggering the network equipment to recover the target resource.
Optionally, the second RRC signaling further carries duration information of the target resource in the second state, and the terminal device 800 shown in fig. 9 may further include: and the state recovery module is used for recovering the target resource to the first state according to the duration information.
In an example, the duration information includes a duration, and the state recovery module is specifically configured to: and after the duration elapses from the reception of the second RRC signaling, restoring the state of the target resource to the first state.
In another example, the duration information includes a start time point and a duration, and the state recovery module is specifically configured to: restoring the state of the target resource to the first state after the duration has elapsed from the start time point.
In another example, the duration information includes an end time point, and the state recovery module is specifically configured to: restoring the state of the target resource to the first state from the end time point.
In a second example of the second embodiment, the validation time information includes a validation time period, and the first determining module 802 is specifically configured to: and determining that the target resource is in the first state in the validation time period, and is in a second state after the validation time period is ended, wherein the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state, a reconfigured state, and a released state; or if the first state is a deactivation state, the second state is an activation state.
In the first RRC signaling, the effective time period of the first state may be a time period lasting from a first time point for a first preset time duration; alternatively, the validation period of the first state may be a period starting from a first time point to an end of a second time point, wherein the second time point is a time point later than the first time point.
Optionally, if the first state is an activated state and the second state is a deactivated state, on the basis of the second example of the second embodiment, the terminal device 800 may also stop using the target resource at any time according to another RRC signaling (e.g., the second RRC signaling mentioned above) sent by the network device, so as to enable the target resource to be in the deactivated state, the released state, or the reconfigured state.
Optionally, whether the terminal device changes the target resource from the first state to the second state by the second example of the above second embodiment, or changes the target resource from the first state to the second state by another RRC signaling (second RRC signaling), if the first state is an active state, the second state is a deactivated state, the terminal device 800 may further include: and the confirmation information sending module is used for sending confirmation information to the network equipment, and the confirmation information is used for triggering the network equipment to release or recycle the target resource.
Third embodiment
The first RRC signaling further carries a failure condition of the first state, and the first determining module 802 may be configured to: and when the failure condition is met, the target resource is converted from the first state to a second state, wherein the second state is different from the first state.
In general, if the first state is an activated state, the second state includes any one of a deactivated state and a released state; or if the first state is a deactivation state, the second state is an activation state.
Specifically, if the first state is an activated state and the second state is a deactivated state, the failure condition includes at least one of the following conditions:
the terminal equipment does not use the target resource within a second preset time length;
the terminal equipment does not use the target resource within a preset number of periods;
the quality of the secondary link of the terminal equipment meets a first preset condition;
and the measurement result of the secondary link of the terminal equipment meets a second preset condition.
The secondary link quality or secondary link measurement result may be characterized by one or more of RSRP, RSRQ, RSTD, RSSI, B L ER, CR, CBR, SINR, etc.
Further, on the basis of the third embodiment, if the first state is an activated state and the second state is a deactivated state, the terminal device 800 may further include: and the confirmation information sending module is used for sending confirmation information to the network equipment when the target resource is in a deactivated state, wherein the confirmation information is used for triggering the network equipment to release or recycle the target resource.
Optionally, in the third embodiment, the first RRC signaling and the RRC signaling configuring the target resource may be different signaling; alternatively, the first RRC signaling and the RRC signaling configuring the target resource may be the same signaling.
According to the terminal device 800 provided by the embodiment of the present invention, since the state of the target resource can be determined through RRC signaling, and the target resource includes the periodic resource configured for the sidelink of the terminal device, instead of being determined through a PDCCH as in the related art, the complexity of determining the state of the target resource can be reduced, thereby improving the utilization rate of the target resource and the communication efficiency of the entire system.
The terminal device 800 shown in fig. 8 may be used to implement various embodiments of the periodic resource determination method shown in fig. 4, and please refer to the above method embodiments for relevant matters.
Fig. 10 is a schematic structural diagram of a terminal device according to another embodiment of the present invention. The terminal device 1000 shown in fig. 10 includes: at least one processor 1001, memory 1002, at least one network interface 1004, and a user interface 1003. The various components in terminal device 1000 are coupled together by a bus system 1005. It is understood that bus system 1005 is used to enable communications among the components connected. The bus system 1005 includes a power bus, a control bus, and a status signal bus, in addition to a data bus. But for the sake of clarity the various busses are labeled in figure 10 as the bus system 1005.
The user interface 1003 may include, among other things, a display, a keyboard, a pointing device (e.g., a mouse, trackball), a touch pad, or a touch screen.
It is to be understood that the memory 1002 in embodiments of the present invention may be either volatile memory or non-volatile memory, or may include both volatile and non-volatile memory, wherein non-volatile memory may be Read-only memory (ROM), programmable Read-only memory (programmable ROM), erasable programmable Read-only memory (EPROM ), electrically erasable programmable Read-only memory (EEPROM), or flash memory volatile memory may be Random Access Memory (RAM), which serves as external cache memory, by way of example but not limitation, many forms of RAM are available, such as static random access memory (staticidram, SRAM), dynamic random access memory (dynamicdram, DRAM), synchronous dynamic random access memory (syncronous, SDRAM), double data rate synchronous dynamic random access memory (doubtatatete SDRAM, ddrsrsrd), Enhanced dynamic random access memory (Enhanced DRAM ), synchronous dynamic random access DRAM (Enhanced DRAM, L), or any other type of RAM suitable for accessing the present invention, including, direct access DRAM, 8523, and flash memory.
In some embodiments, memory 1002 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 10021 and applications 10022.
The operating system 10021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application 10022 includes various applications, such as a media player (MediaPlayer), a Browser (Browser), and the like, for implementing various application services. The program implementing the method according to the embodiment of the present invention may be included in the application program 10022.
In this embodiment of the present invention, the terminal device 1000 further includes: the computer program stored in the memory 1002 and capable of running on the processor 1001, when being executed by the processor 1001, implements each process of the above-described periodic resource determination method, and can achieve the same technical effect, and is not described herein again to avoid repetition.
The method disclosed by the embodiment of the invention can be applied to the processor 1001 or can be implemented by the processor 1001. The processor 1001 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 1001. The processor 1001 may be a general-purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may reside in ram, flash memory, rom, prom, or eprom, registers, among other computer-readable storage media known in the art. The computer readable storage medium is located in the memory 1002, and the processor 1001 reads the information in the memory 1002 and performs the steps of the method in combination with the hardware. In particular, the computer readable storage medium has stored thereon a computer program which, when executed by the processor 1001, implements the steps of the above-described embodiment of the periodic resource determination method.
Referring to fig. 11, fig. 11 is a structural diagram of a network device applied in the embodiment of the present invention, which can implement the details of the above-mentioned periodic resource allocation method and achieve the same effect. As shown in fig. 11, the network device 1100 includes: a processor 1101, a transceiver 1102, a memory 1103, a user interface 1104, and a bus interface, wherein:
in this embodiment of the present invention, the network device 1100 further includes: a computer program stored on the memory 1103 and capable of running on the processor 1101, where the computer program is executed by the processor 1101 to implement the processes of the above-mentioned periodic resource allocation method, and can achieve the same technical effects, and in order to avoid repetition, the details are not described here again.
In fig. 11, the bus architecture may include any number of interconnected buses and bridges, with at least one processor, represented by the processor 1101, and various circuits, represented by the memory 1103, 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 1102 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 1104 may also be an interface capable of interfacing with a desired device for different end devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1103 may store data used by the processor 1101 in performing operations.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof, and that for a hardware implementation, the processing unit may be implemented in at least one Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable logic device (P L D), a Field Programmable Gate Array (FPGA), a general purpose processor, a controller, a microcontroller, a microprocessor, other electronic units for performing the functions described herein, or a combination thereof.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this disclosure. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the above-mentioned embodiment of the periodic resource allocation or determination method, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
An embodiment of the present invention further provides a computer program product including instructions, and when a computer runs the instructions of the computer program product, the computer executes the above cycle resource allocation method or the above cycle resource determination method. In particular, the computer program product may be run on the network device described above.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (37)

1. A periodic resource configuration method is applied to a network device, and comprises the following steps:
and sending a first Radio Resource Control (RRC) signaling, wherein the first RRC signaling is used for a terminal device to determine the state of a target resource, and the target resource comprises a periodic resource configured for a secondary link of the terminal device.
2. The method of claim 1,
according to the specification of a preset protocol, the first RRC signaling is used for determining that the target resource is in a first state when the terminal equipment receives the first RRC signaling;
alternatively, the first and second electrodes may be,
the first RRC signaling comprises preset indication information, and the preset indication information is used for indicating the terminal equipment to determine that the target resource is in a first state when receiving the first RRC signaling;
the first RRC signaling and the RRC signaling configuring the target resource are the same signaling, and the first state comprises an activated state or a deactivated state.
3. The method of claim 1,
the first RRC signaling and the RRC signaling configuring the target resource are different signaling; alternatively, the first and second electrodes may be,
the first RRC signaling and the RRC signaling configuring the target resource are the same signaling.
4. The method of claim 3,
the first RRC signaling carries effective time information of a first state, wherein the first state comprises an activated state or a deactivated state;
and the first RRC signaling is used for the terminal equipment to determine the state of the target resource according to the effective time information.
5. The method of claim 4,
the validation time information comprises a validation time point;
the first RRC signaling is used for the terminal device to determine that the target resource is in the first state from the effective time point.
6. The method according to claim 2 or 5, characterized in that the method further comprises:
and sending a second RRC signaling, wherein the second RRC signaling is used for the terminal equipment to convert the target resource from the first state to a second state, and the second state is different from the first state.
7. The method of claim 6,
the second RRC signaling also carries duration information of the target resource in the second state;
the second RRC signaling is further used for the terminal device to restore the target resource to the first state according to the duration information.
8. The method of claim 7,
the duration information comprises a duration;
the second RRC signaling is used for the terminal device to restore the state of the target resource to the first state after the duration elapses since the second RRC signaling is received.
9. The method of claim 7,
the duration information comprises a starting time point and a duration;
and the second RRC signaling is used for the terminal device to restore the state of the target resource to the first state after the duration elapses from the starting time point.
10. The method of claim 7,
the duration information includes an end time point;
the second RRC signaling is used for the terminal device to restore the state of the target resource to the first state from the end time point.
11. The method of claim 4,
the validation time information comprises a validation time period;
the first RRC signaling is used by the terminal device to determine that the target resource is in the first state in the validation time period, and is in a second state after the validation time period is over, where the second state is different from the first state.
12. The method of claim 11,
the effective time period is a time period which lasts for a first preset time from a first time point; alternatively, the first and second electrodes may be,
the validation time period is a time period from the beginning of the first time point to the end of the second time point.
13. The method according to claim 2 or 5,
the first RRC signaling also carries a failure condition of the first state,
the first RRC signaling is further configured to, when the terminal device meets the failure condition, transition the target resource from the first state to a second state, where the second state is different from the first state.
14. The method of claim 13,
the first state is an activated state, the second state is a deactivated state, and the failure condition includes at least one of:
the terminal equipment does not use the target resource within a second preset time length;
the terminal equipment does not use the target resource within a preset number of periods;
the quality of the secondary link of the terminal equipment meets a first preset condition;
and the measurement result of the secondary link of the terminal equipment meets a second preset condition.
15. The method according to any one of claims 6 and 11-13,
if the first state is an activated state, the second state comprises any one of a deactivated state, a reconfigured state and a released state; alternatively, the first and second electrodes may be,
and if the first state is a deactivation state, the second state is an activation state.
16. The method of claim 15, wherein the first state is an activated state and the second state is a deactivated state, the method further comprising:
receiving confirmation information fed back by the terminal equipment, wherein the confirmation information is used for confirming that the target resource is in a deactivation state;
and releasing or recycling the target resource according to the confirmation information.
17. A periodic resource determination method is applied to a terminal device, and comprises the following steps:
receiving a first Radio Resource Control (RRC) signaling;
and determining the state of target resources according to the first RRC signaling, wherein the target resources comprise periodic resources configured for a secondary link of the terminal equipment.
18. The method of claim 17, wherein the determining the state of the target resource according to the first RRC signaling comprises:
according to the provisions of a preset protocol, when the first RRC signaling is received, determining that the target resource is in the first state;
alternatively, the first and second electrodes may be,
according to preset indication information carried in the first RRC signaling, when the first RRC signaling is received, the target resource is determined to be in the first state;
the first RRC signaling and the RRC signaling configuring the target resource are the same signaling, and the first state comprises an activated state or a deactivated state.
19. The method of claim 17,
the first RRC signaling and the RRC signaling configuring the target resource are different signaling; alternatively, the first and second electrodes may be,
the first RRC signaling and the RRC signaling configuring the target resource are the same signaling.
20. The method of claim 19,
the first RRC signaling carries effective time information of a first state, wherein the first state comprises an activated state or a deactivated state;
wherein the determining the state of the target resource according to the first RRC signaling includes: and determining the state of the target resource according to the effective time information.
21. The method of claim 20,
the validation time information comprises a validation time point;
wherein the determining the state of the target resource according to the validation time information includes:
determining that the target resource is in the first state from the point in effect time.
22. The method according to claim 18 or 21, further comprising:
receiving second RRC signaling;
and converting the target resource from the first state to a second state according to the second RRC signaling, wherein the second state is different from the first state.
23. The method of claim 22,
the second RRC signaling also carries duration information of the target resource in the second state, and the method further includes:
and restoring the target resource to the first state according to the duration information.
24. The method of claim 23,
the duration information comprises a duration;
wherein the restoring the target resource to the first state according to the duration information comprises:
and after the duration elapses from the reception of the second RRC signaling, restoring the state of the target resource to the first state.
25. The method of claim 23,
the duration information comprises a starting time point and a duration;
wherein the restoring the target resource to the first state according to the duration information comprises:
restoring the state of the target resource to the first state after the duration has elapsed from the start time point.
26. The method of claim 23,
the duration information includes an end time point;
wherein the restoring the target resource to the first state according to the duration information comprises:
restoring the state of the target resource to the first state from the end time point.
27. The method of claim 20,
the validation time information comprises a validation time period;
wherein the determining the state of the target resource according to the validation time information includes:
and determining that the target resource is in the first state in the validation time period, and is in a second state after the validation time period is ended, wherein the second state is different from the first state.
28. The method of claim 27,
the effective time period is a time period which lasts for a first preset time from a first time point; alternatively, the first and second electrodes may be,
the validation time period is a time period from the beginning of the first time point to the end of the second time point.
29. The method of claim 18 or 21,
the first RRC signaling further carries a failure condition of the first state, where the determining the state of the target resource according to the first RRC signaling further includes:
and when the failure condition is met, the target resource is converted from the first state to a second state, wherein the second state is different from the first state.
30. The method of claim 29,
the first state is an activated state, the second state is a deactivated state, and the failure condition includes at least one of:
the terminal equipment does not use the target resource within a second preset time length;
the terminal equipment does not use the target resource within a preset number of periods;
the quality of the secondary link of the terminal equipment meets a first preset condition;
and the measurement result of the secondary link of the terminal equipment meets a second preset condition.
31. The method of any one of claims 22, 27-29,
if the first state is an activated state, the second state comprises any one of a deactivated state, a reconfigured state and a released state; alternatively, the first and second electrodes may be,
and if the first state is a deactivation state, the second state is an activation state.
32. The method of claim 31, wherein the first state is an activated state and the second state comprises a deactivated state, the method further comprising:
and when the target resource is in a deactivated state, sending confirmation information to network equipment, wherein the confirmation information is used for triggering the network equipment to release or recycle the target resource.
33. A network device, wherein the terminal device comprises:
a first sending module, configured to send a first radio resource control RRC signaling, where the first RRC signaling is used for a terminal device to determine a state of a target resource, and the target resource includes a periodic resource configured for a secondary link of the terminal device.
34. A terminal device, wherein the network device comprises:
a first receiving module, configured to receive a first radio resource control RRC signaling;
a first determining module, configured to determine a state of a target resource according to the first RRC signaling, where the target resource includes a periodic resource configured for a sidelink of the terminal device.
35. A network device comprising a memory, a processor and a computer program stored on the memory and running on the processor, the computer program, when executed by the processor, implementing the steps of the method according to any one of claims 1 to 16.
36. A terminal device, characterized in that it comprises a memory, a processor and a computer program stored on said memory and running on said processor, said computer program, when executed by said processor, realizing the steps of the method according to any one of claims 17-32.
37. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1-32.
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