CN108882371B - Resource allocation method, equipment and system - Google Patents

Resource allocation method, equipment and system Download PDF

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Publication number
CN108882371B
CN108882371B CN201710340244.8A CN201710340244A CN108882371B CN 108882371 B CN108882371 B CN 108882371B CN 201710340244 A CN201710340244 A CN 201710340244A CN 108882371 B CN108882371 B CN 108882371B
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time window
resource
unlicensed
configuration message
configuration
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CN108882371A (en
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徐修强
陈雁
吴艺群
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

Abstract

The application discloses a resource configuration method, equipment and a system, which aim to solve the problem of high signaling overhead when a bottom layer control signal configures an authorization-free resource. The method comprises the steps that a base station determines an effective time window of at least one authorization-free resource configuration; sending a configuration message to a terminal device, where the configuration message is used to configure the at least one unlicensed resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used to indicate the effective time window, so that the terminal device transmits data using the at least one unlicensed resource based on the configuration message; therefore, the problem of high cost of bottom layer control signals when the authorization-free resources are configured in a specific time period in the prior art can be avoided, the signaling cost is reduced, and the system performance is optimized.

Description

Resource allocation method, equipment and system
Technical Field
The present application relates to the field of communications, and in particular, to a method, device, and system for resource allocation.
Background
In the grant-free (grant-free) transmission mechanism, when a terminal device has a data packet, the terminal device does not need to request a resource from the base station, but directly uses a pre-allocated grant-free resource to transmit the data packet to the base station in a grant-free manner, and the base station side receives the grant-free data transmitted by the terminal device on the pre-allocated resource by means of a receiving technology such as a blind side.
One key to unlicensed transmission is that the base station needs to pre-configure unlicensed resources for the terminal device to use at any time.
One method for configuring the unlicensed resources by the base station is as follows: a base station first configures partial or all resources and parameters of one or more unlicensed resources for a terminal device through a higher-layer Control signal, such as a UE-Specific RRC Signaling (UE-Specific RRC Signaling) or broadcast (broadcast) signal, and the configured all unlicensed resources cannot be directly used but can be used after being activated or reactivated by a lower-layer Control signal (e.g., Downlink Control Information (DCI)); for the authorization-free resource in an activated (available) state, the base station can use the bottom layer control signal to deactivate, and the deactivated authorization-free resource is unavailable; the underlying control signals may be used to configure or reconfigure some or all of the resources and parameters of the unlicensed resources at the same time.
Another method for configuring the unlicensed resource by the base station is as follows: a base station firstly configures partial or all resources and parameters of one or more authorization-exempt resources for a terminal device through a high-level control signal, such as a UE-Specific RRC Signaling or a broadcast signal, and indicates an initial state of each configured authorization-exempt resource, for example, an activated (available) state or a deactivated (unavailable) state; for the unlicensed resource in the deactivated state, the base station needs to activate or reactivate using an underlying control signal (e.g., DCI), and for the unlicensed resource in the activated state, the base station may deactivate using the underlying control signal; the underlying control signals may be used to configure or reconfigure some or all of the resources and parameters of the unlicensed resources at the same time.
As shown in fig. 1, in the above method, after the base station issues the bottom layer control signal to activate the unlicensed resource at time slot n-k1, the terminal device considers that the unlicensed resource is always available from time slot n until the bottom layer control signal issued by the base station to deactivate the unlicensed resource is received at time slot n + k 2. Likewise, the terminal device can only consider the unlicensed resources available starting from slot n + k2+ k3+ k4+ k1 after it has received the activation command again at slot n + k2+ k3+ k 4. Wherein k1, k2, k3 and k4 are integers greater than 1.
If the base station wants to make the unlicensed resource configured for the terminal device unavailable within a certain specific time period (such as one or more continuous time slots), or change the configuration of part or all of the resources and parameters of the unlicensed resource, the base station must first issue a bottom layer control signal to deactivate the unlicensed resource, or change the configuration of part or all of the resources and parameters of the unlicensed resource, and then after the specific time period is over, issue a bottom layer control signal again to reactivate the unlicensed resource, or recover the configuration of the resources and parameters. This approach can result in significant overhead in the underlying control signals when the particular time period is relatively short in duration, occurs relatively frequently, and is not regular.
Disclosure of Invention
The embodiment of the application provides a resource configuration method, equipment and a system, which aim to solve the problem of high signaling overhead when the authorization-free resources are configured.
The embodiment of the application provides the following specific technical scheme:
in a first aspect, an embodiment of the present application provides a resource allocation method, including:
the base station determines an effective time window of at least one authorization-free resource configuration;
the base station sends a configuration message to the terminal equipment, wherein the configuration message is used for configuring the at least one authorization-free resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used for indicating the effective time window.
By adopting the resource allocation method, the base station allocates an effective time window for at least one authorization-free resource through the allocation message, so that the terminal equipment uses the at least one authorization-free resource to transmit data based on the allocation message; therefore, the problem of high cost of bottom layer control signals when the base station configures the authorization-free resources in a specific time period in the prior art can be avoided, and the system performance is optimized.
With reference to the first aspect, in one possible design, the at least one unlicensed resource configuration includes at least one of the following configurations:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
In this design, the configuration of the unlicensed resource includes the above three different situations, so that a plurality of configuration functions can be implemented by the configuration message for the terminal device.
With reference to the first aspect, in one possible design, the time window is at least one unit duration that is continuous or discontinuous, and the unit duration is a timeslot or a subframe or a frame or a transmission time interval TTI or a symbol or a short timeslot.
In the design, the time window is designed to be continuous or discontinuous at least one unit duration, so that the style of the time window can be flexibly adjusted according to actual requirements.
With reference to the first aspect, in a possible design, the configuration message includes a configuration domain and a time window indication domain corresponding to each unlicensed resource in the at least one unlicensed resource; the configuration domain carries configuration information of the authorization-free resource, and the time window indication domain carries the effective time window indication information.
In the design, the base station determines the configuration information and the effective time window of the corresponding authorization-free resource through the configuration domain and the time window indication domain corresponding to the authorization-free resource, and the implementation is simple.
With reference to the first aspect, in a possible design, the configuration message further includes an unlicensed resource identification field corresponding to each unlicensed resource in the at least one unlicensed resource.
In the design, the base station determines the configuration information and the effective time window of the corresponding authorization-free resource through the authorization-free resource identification domain, so that the control signaling overhead can be saved.
With reference to the first aspect, in a possible design, the configuration message is downlink control information DCI or a radio resource control RRC message.
In the design, the base station can realize the configuration of the authorization-free resource through the bottom layer control signal or the high layer control signal, and the method is flexible and easy to realize.
With reference to the first aspect, in one possible design, the license-exempt resource includes at least one of a time domain resource, a frequency domain resource, a pilot frequency parameter, a coding modulation scheme MCS, a power control parameter, a frequency modulation rule, a maximum transmission number, and a waveform.
With reference to the first aspect, in a possible design, when the configuration message is DCI specifically, scrambling of the cyclic redundancy check portion of the configuration message is to use the cell radio network temporary identifier of the terminal device or use the group cell radio network temporary identifier of the terminal device or use the radio network temporary identifier for the unlicensed transmission or use the group radio network temporary identifier for the unlicensed transmission.
In this design, when the configuration message is DCI, the base station may implement scrambling of the cyclic redundancy check portion of the DCI by using different scrambling methods on the premise of distinguishing different scheduling functions of the DCI.
With reference to the first aspect, in one possible design, the time window indication information is carried in an indication field for indicating time bundling or an indication field for indicating time aggregation or an indication field for indicating a number of repeated transmissions.
In the design, the time window indication information can be carried in the existing indication domain to reuse the existing indication domain of other functions, so that the signaling overhead can be saved.
In a second aspect, an embodiment of the present application provides a resource allocation method, including:
the method comprises the steps that terminal equipment receives a configuration message sent by a base station, wherein the configuration message is used for configuring at least one authorization-free resource, the configuration message carries effective time window indication information, and the effective time window indication information is used for indicating an effective time window;
and the terminal equipment applies the configuration indicated by the configuration message in the effective time window.
In the design, the terminal equipment applies the configuration indicated by the configuration message in the effective time window according to the configuration message which is sent by the base station and carries the indication information of the effective time window, so that the configuration instruction of the base station does not need to be frequently received, the signaling overhead is saved, and the energy consumption of the terminal is reduced.
With reference to the second aspect, in one possible design, the configuring at least one unlicensed resource includes at least one of the following configurations:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
In a third aspect, an embodiment of the present application provides a base station, including:
a processing unit, configured to determine an effective time window of at least one unlicensed resource configuration;
a sending unit, configured to send a configuration message to a terminal device, where the configuration message is used to configure the at least one unlicensed resource, and the configuration message carries an effective time window indication information, where the effective time window indication information is used to indicate the effective time window.
With reference to the third aspect, in one possible design, the at least one unlicensed resource configuration includes at least one of the following configurations:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
With reference to the third aspect, in one possible design, the time window is at least one unit duration that is continuous or discontinuous, and the unit duration is a timeslot or a subframe or a frame or a transmission time interval TTI or a symbol or a short timeslot.
With reference to the third aspect, in one possible design, the configuration message includes a configuration domain and a time window indication domain corresponding to each unlicensed resource in the at least one unlicensed resource; the configuration domain carries configuration information of the authorization-free resource, and the time window indication domain carries the effective time window indication information.
With reference to the third aspect, in a possible design, the configuration message further includes an unlicensed resource identification field corresponding to each unlicensed resource in the at least one unlicensed resource.
With reference to the third aspect, in a possible design, the configuration message is downlink control information DCI or a radio resource control RRC message.
With reference to the third aspect, in one possible design, the license-exempt resource includes at least one of a time domain resource, a frequency domain resource, a pilot frequency parameter, a coding modulation scheme MCS, a power control parameter, a frequency modulation rule, a maximum transmission number, and a waveform.
With reference to the third aspect, in a possible design, when the configuration message is DCI specifically, scrambling of the cyclic redundancy check portion of the configuration message is to use the cell radio network temporary identifier of the terminal device or use the group cell radio network temporary identifier of the terminal device or use the radio network temporary identifier for the unlicensed transmission or use the group radio network temporary identifier for the unlicensed transmission.
With reference to the third aspect, in one possible design, the time window indication information is carried in an indication field for indicating time bundling or an indication field for indicating time aggregation or an indication field for indicating a number of repeated transmissions.
On the other hand, the entity device corresponding to the processing unit in the above embodiments may be a processor, and the entity device corresponding to the sending unit may be a transmitter.
In a fourth aspect, an embodiment of the present application provides a terminal device, including:
a receiving unit, configured to receive a configuration message sent by a base station, where the configuration message is used to configure at least one unlicensed resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used to indicate the effective time window;
a processing unit, configured to apply the configuration indicated by the configuration message within the validation time window.
With reference to the fourth aspect, in one possible design, the configuring at least one unlicensed resource includes at least one of the following configurations:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
On the other hand, the entity device corresponding to the processing unit in the above embodiments may be a processor, and the entity device corresponding to the receiving unit may be a receiver.
In a fifth aspect, an embodiment of the present application provides a communication system, including the terminal device and the base station in the foregoing embodiments.
In a sixth aspect, an embodiment of the present application provides a computer storage medium for storing computer software instructions for the terminal device, which includes a program designed to execute the above aspects.
In a seventh aspect, an embodiment of the present application provides a computer storage medium for storing computer software instructions for the base station, which includes a program designed to execute the above aspects.
In an eighth aspect, embodiments of the present application provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the above aspects.
Drawings
Fig. 1 is a schematic diagram of a process for configuring an unlicensed resource by a base station;
FIG. 2 is a diagram illustrating unlicensed resources configured by a base station;
FIG. 3 is a flowchart illustrating a resource allocation method according to an embodiment of the present application;
FIGS. 4a and 4b are schematic diagrams illustrating the implementation of time windows in the embodiments of the present application;
fig. 5a to 5g, fig. 6a, and fig. 6b are schematic diagrams of configuration message formats in the embodiment of the present application;
FIG. 7 is a flowchart of a method for configuring an unlicensed resource by a base station using DCI;
FIG. 8 is a flowchart illustrating a resource allocation method according to an embodiment of the present application;
fig. 9a is a schematic structural diagram of a base station according to an embodiment of the present application;
fig. 9b is a schematic diagram of a hardware structure of a base station according to an embodiment of the present application;
fig. 10a is a schematic structural diagram of a terminal device according to an embodiment of the present application;
fig. 10b is a schematic diagram of a hardware structure of a terminal device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
In the embodiment of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in the embodiment of the present application generally indicates that the preceding and following related objects are in an "or" relationship.
Plural means two or more.
The resource allocation method related to the embodiment of the application is suitable for a Long Term Evolution (LTE) system or a 5g system; in addition, the resource allocation method of the embodiment of the present application can also be applied to other wireless Communication systems, such as Global System for Mobile communications (GSM), Mobile Communication systems (UMTS), Code Division Multiple Access (CDMA), and new network systems.
The base station in the embodiment of the present application may be configured to convert a received air frame into an Internet Protocol (IP) packet, and use the converted IP packet as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an IP network; in addition, the base station in the embodiment of the present application can also coordinate the attribute management of the air interface. For example, the Base Station in the embodiment of the present application may be a Base Transceiver Station (BTS) in a Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB) in a Wideband Code Division Multiple Access (WCDMA), an evolved Node B (eNB) or e-NodeB in LTE, a Base Station in a 5g System, or a central unit or a data unit in a 5g System, which is not limited in the embodiment of the present application.
The terminal device in embodiments of the present application may be a device for providing voice and/or data connectivity to a user, a handheld device having wireless connection capability, or other processing device connected to a wireless modem. The terminal device may also be a wireless terminal device, wherein the wireless terminal device may communicate with one or more core networks via a Radio Access Network (RAN), and the wireless terminal device may be a mobile terminal device, such as a mobile phone (or referred to as a "cellular" phone), or a computer with a mobile terminal device, for example, the computer with a mobile terminal device may be a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device, which exchanges language and/or data with the RAN. For example, the Wireless terminal device may be a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), or the like. The wireless Terminal Device may also be referred to as a system, a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), an Access Point (Access Point), a Remote Terminal Device (Remote Terminal), an Access Terminal Device (Access Terminal), a User Terminal Device (User Terminal), a User Agent (User Agent), a User Device (User Device), or a User Equipment (User Equipment, UE).
The unlicensed resources configured in the embodiment of the present application generally include resources and parameters that can be used when the terminal device is configured to transmit data in an unlicensed manner, and specifically, the resources include, for example, time domain resources (e.g., subframe number, slot number, Transmission Time Interval (TTI) Index (Index), etc.), frequency domain resources (e.g., subcarrier Index, Resource Block (RB) Index, sub-band Index, etc.), parameters including, for example, pilot parameters, Modulation and Coding Scheme (MCS), power control parameters, frequency hopping (hopping) rules, maximum repetition (repetition) times, waveforms (including Cyclic Prefix-orthogonal frequency division multiplexing (CP-OFDM), Discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM)), and so on.
The base station can configure one or more authorization-free resources for one terminal device at the same time. As shown in fig. 2 by way of example, the base station configures 4 unlicensed resources for the terminal device in each time slot starting from time slot n, and the features are as follows: each time-frequency resource of the authorization-free resource is limited by a time slot of a time domain and a sub-band of a frequency domain, each sub-band consists of one or more continuous or discontinuous sub-carriers or resource blocks of the frequency domain, and adjacent sub-bands can be continuous or discontinuous in the frequency domain; the time interval of each unlicensed resource repeated in the time domain is 0 (may also be an integer greater than 0) time slots, and the time intervals of different unlicensed resources repeated in the time domain may be the same or different. In this example, a slot may be further replaced by a subframe, a TTI, or a Bundling (Bundling) of multiple slots/subframes/TTIs, a sub-band may be further replaced by a resource block, a sub-carrier, or a Bundling of multiple resource blocks/sub-carriers, etc.
If the base station wants to make the unlicensed resource configured for the terminal device unavailable within a certain specific time period (such as one or more continuous time slots), or change the configuration of part or all of the resources and parameters of the unlicensed resource, the base station must first issue a bottom layer control signal to deactivate the unlicensed resource, or change the configuration of part or all of the resources and parameters of the unlicensed resource, and then after the specific time period is over, issue a bottom layer control signal again to reactivate the unlicensed resource, or recover the configuration of the resources and parameters. This approach can result in significant overhead in the underlying control signals when the particular time period is relatively short in duration, occurs relatively frequently, and is not regular.
In view of the foregoing problems, embodiments of the present application provide a resource configuration method, device, and system to solve the problem of high signaling overhead when a bottom-layer control signal configures an unlicensed resource. The method and the device are based on the same inventive concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.
Fig. 3 is a schematic flowchart illustrating a resource configuration method provided in an embodiment of the present application, where the flowchart may be specifically implemented by hardware, software programming, or a combination of hardware and software.
The base station may be configured to execute the process shown in fig. 3, and the functional modules in the base station for executing the resource allocation scheme provided by the embodiment of the present invention may be specifically implemented by hardware, software programming, and a combination of hardware and software, and the hardware may include one or more signal processing and/or application specific integrated circuits.
As shown in fig. 3, the process specifically includes the following processing procedures:
step 30: the base station determines an effective time window for at least one unlicensed resource configuration.
The base station can determine the length and the starting time of an effective time window configured for one authorization-free resource according to actual needs.
The base station configures the starting time of the effective time window in the following way:
1) the default mode.
And the base station configures the starting time of the effective time window in a default mode, for example, the starting time of the effective time window is the Xth time scheduling unit after the terminal equipment receives the configuration message carrying the indication information of the effective time window. For example, the terminal device receives the configuration message on the kth scheduling time unit, and the starting time of the effective time window indicated by the configuration message is the kth + X (X ≧ 0) scheduling time unit. The terminal device also defaults the starting time of the effective time window to be the Xth time scheduling unit after the terminal device receives the configuration message carrying the indication information of the effective time window. Optionally, X may adopt a preset mode, that is, the base station and the terminal device agree and store the value in advance; it may also be determined by the base station and communicated to the terminal device in a semi-static or dynamic manner.
2) The manner in which the validate time window start time is explicitly indicated.
For example, the base station informs the terminal device through an RRC signaling, after receiving the configuration message carrying the effective time window indication information in the kth scheduling time unit, the start time of the indicated time window is the kth + X (X ≧ 0) scheduling time unit, optionally, the value of X may also be carried in a configuration message (e.g., DCI) for configuring the grant-free resource, and informs the terminal device in a dynamic manner. In an embodiment, the configuration message may carry information indicating a start time and an end time of the validation time window. In another embodiment, the configuration message may carry information indicating the start time of the validation time window and the length of the validation time window.
It should be noted that the scheduling time unit may be one or more consecutive subframes (subframes), slots (slots), mini-slots (mini-slots), symbols (symbols), Transmission Time Intervals (TTIs), frames (frames), and the like.
Wherein the at least one unlicensed resource configuration includes the following situations:
the first situation is as follows: activating or reactivating the at least one unlicensed resource.
Case two: deactivating the at least one unlicensed resource.
Case three: configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
It should be noted that, the validation time window of the unlicensed resource is used to indicate the validation time of the configuration for the unlicensed resource, that is, within the validation time window, the configuration for the unlicensed resource is valid, and outside the validation time window, the configuration for the unlicensed resource is invalid.
Correspondingly, corresponding to the above three cases, in case one, the effective time window configured for the unauthorized resource refers to that when the unauthorized resource is activated or reactivated, the unauthorized resource is only in an activated state within the time indicated by the effective time window, the terminal device may use the unauthorized resource to transmit the unauthorized data, and is in a deactivated state within other times, and the terminal device cannot use the unauthorized resource to transmit the unauthorized data.
Correspondingly, the effective time window configured for the unauthorized resource in the second scenario refers to that when the unauthorized resource is deactivated, the unauthorized resource is in a deactivated state only within the time indicated by the effective time window, the terminal device cannot use the unauthorized resource to transmit the unauthorized data, and is in an activated state within other times, and the terminal device may use the unauthorized resource to transmit the unauthorized data.
Correspondingly, in the third scenario, the effective time window configured for the unlicensed resource refers to that, when some or all of the resources and parameters of the unlicensed resource are configured or reconfigured, some or all of the resources and parameters of the unlicensed resource that are configured or reconfigured are valid only in the time indicated by the effective time window indication, the terminal device may transmit the unlicensed data using some or all of the resources and parameters of the unlicensed resource that are configured or reconfigured, and in other times, the terminal device may not transmit the unlicensed data using some or all of the resources and parameters of the unlicensed resource that are configured or reconfigured. The time window is at least one continuous or discontinuous unit time length, and the unit time length is a time slot or a subframe or a frame or a TTI or a symbol (symbol) and a short time slot (mini-slot).
Fig. 4a schematically illustrates an implementation of a time window, where the time window is at least one continuous time slot, and optionally, may also be at least one continuous subframe or frame or TTI, which is not limited in this application.
Fig. 4b schematically shows another implementation of the time window, in which the time window is at least one discontinuous time slot, and optionally, at least one continuous subframe or frame or TTI, which is not limited in this application.
Step 31: the base station sends a configuration message to the terminal equipment, wherein the configuration message is used for configuring the at least one authorization-free resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used for indicating the effective time window. The configuration indicated by the configuration message is effective only in the effective time window indicated by the effective time window indication information carried by the configuration message, and is invalid at other times.
Optionally, the configuration message is a bottom layer control signal such as DCI or a higher layer control signal such as RRC message.
It should be noted that the above-mentioned higher layer control signal may be UE-Specific RRC Signaling for a Specific terminal, or Group-based RRC Signaling for a Specific Group of terminals, or Cell-Specific RRC Signaling for all terminals in the Cell, for example, a broadcast signal. The underlying control signal may be DCI for a specific one of the terminals or a Group-based DCI or Common DCI for a specific Group of terminals.
In one possible design of the message body implementation manner of the configuration message, the configuration message includes a configuration domain and a time window indication domain corresponding to each unlicensed resource in the at least one unlicensed resource, where: the configuration domain carries configuration information of the authorization-free resource, and the time window indication domain carries the effective time window indication information.
The configuration domain corresponding to the authorization-free resource is used for:
(1) activating the unlicensed resource, or reactivating the unlicensed resource; or
(2) Deactivating the unlicensed resource; or
(3) Configuring or reconfiguring partial or all resources, parameters and the like of the authorization-free resources, wherein the domain consists of M bits, and M is more than or equal to 1.
Specifically, when the configuration domain is used to implement a function of activating or reactivating the unlicensed resource, the configuration domain at this time has the following two possible implementation manners:
in one possible implementation: the configuration domain at least comprises an indication domain for indicating the state of the authorization-free resource, the indication domain is composed of at least 1 bit, a certain bit combination of the indication domain represents that the authorization-free resource is in an activated state, and other bit combinations of the indication domain represent that the authorization-free resource is in a deactivated state. For example, when the indication field consists of 1 bit, 1 represents activation and 0 represents deactivation; when the terminal receives that the indication domain of the unauthorized resource state contained in the configuration domain is 1, the terminal considers that the unauthorized resource is activated or reactivated; and when the terminal receives that the indication domain of the unauthorized resource state contained in the configuration domain is 0, the unauthorized resource is considered to be deactivated.
In another possible implementation: the configuration domain function is implemented by taking a specific bit combination from other domains, for example, when the bit combination of the power control indication domain of the uplink physical shared channel takes all 0, it indicates that the unlicensed resource is activated, and when the bit combination of the indication domain for indicating the coded modulation scheme takes all 0, it indicates that the unlicensed resource is deactivated. In another embodiment, when the combination of the bits of the power control indication domain of the uplink physical shared channel is all 0, it indicates that the unlicensed resource is activated, and when the combination of the bits of the power control indication domain of the uplink physical shared channel is all 1, it indicates that the unlicensed resource is activated.
When a configuration message is used to configure or reconfigure some or all resources and/or parameters of an unlicensed resource, the configuration domain of the configuration message may carry information indicating the unlicensed resource, such as time domain resource information, frequency domain resource information, time-frequency resource information, pilot information, MCS, power control parameters, frequency hopping (hopping) rules, maximum repetition (repetition) times, waveforms (e.g., CP-OFDM or DFT-s-OFDM), and the like. And in the effective time window indicated by the effective time window indication domain of the configuration message, the terminal equipment adopts the authorization-free resource indicated by the configuration domain in the configuration message to carry out communication.
Specifically, when the configuration domain is used to implement a function of configuring or reconfiguring some or all of the resources and parameters of the unlicensed resources, the configuration domain may include one or more of the following indication domains:
a time domain resource indication domain, a frequency domain resource indication domain, a pilot frequency parameter indication domain, a coding modulation scheme indication domain, a power control parameter indication domain, a frequency hopping rule indication domain, a maximum repeated transmission frequency, a waveform parameter indication domain, and the like.
Time window indication field: and the field is composed of P bits, and P is more than or equal to 1, and is used for informing the terminal equipment that the configuration for the authorization-free resource indicated by the configuration message is valid only within the indicated validation time window.
When the base station configures N ═ 1 unlicensed resources for the terminal device through the high-level control signal, the configuration message format for configuring or reconfiguring the unlicensed resources can be referred to fig. 5a and 5 b.
When the base station configures N >1 unlicensed resources for the terminal device through the high-level control signal, a configuration message format for configuring or reconfiguring the unlicensed resources may be as shown in fig. 5c, fig. 5d, and fig. 5 e.
In this embodiment, when the base station configures N >1 unlicensed resources for the terminal device through the high-level control signal and there are N time window indication domains in the configuration message, for a certain unlicensed resource, the terminal device determines the configuration domain for the unlicensed resource and an effective time window indication domain corresponding to the unlicensed resource according to a position of the configuration domain of the unlicensed resource in the N configuration domains in the configuration message and a position of the time window indication domain of the unlicensed resource in the N time window indication domains.
When the base station configures N >1 unlicensed resources for the terminal device through the high-level control signal and only one time window indication domain is included in the configuration message, as shown in fig. 5f and 5g, it indicates that the time window indication domain corresponds to all N (N ≧ 1) unlicensed resources, that is, the time window indication domain is effective for the configuration of all N unlicensed resources; further, if there is only one configuration domain in the configuration message, it means that the configuration indicated by the configuration domain is applicable to all N unlicensed resources.
It should be noted that, the time window indication domain of the unlicensed resource and the sequential position of the configuration domain in the configuration message may be interchanged.
In another possible design of the message body implementation manner of the configuration message, the configuration message further includes an unauthorized resource identification field corresponding to each unauthorized resource in the at least one unauthorized resource, in addition to a configuration field and a time window indication field corresponding to the unauthorized resource.
And (3) identifying the domain of the authorization-free resource: for identifying the unlicensed resources for which the configuration indicated by the configuration domain is intended. The unauthorized resource identification field consists of K (K is more than or equal to 0) bits and can be used for identifying 2K unauthorized resources at most.
The configuration message format for configuring or reconfiguring the unlicensed resource when the base station configures N (N ≧ 1) unlicensed resources for the terminal through the high-level control signal can be seen in fig. 6a and 6 b.
It should be noted that the sequence positions of the identification domain, the time window indication domain, and the configuration domain of the unlicensed resource in the configuration message may be interchanged. In this design, after receiving the configuration message, the terminal device can determine the unlicensed resource configuration domain according to the unlicensed resource identification domain, and determine the unlicensed resources corresponding to the time window indication domain.
Further, assuming that the time window indication field is composed of P bits, the following provides a method for implementing the time window indication field in the above embodiment.
Optionally, the time window indication field sets a default value, which indicates that the valid time limit is not set for the configuration of the license-exempting resource, that is, after the configuration message configures the license-exempting resource, the terminal device considers that the configuration indicated by the configuration message is valid in the subsequent time until the configuration message configuring the license-exempting resource is received again; the default value may be 2POne or more of the seed bit combinations, e.g., all 0 bits or all 1 bits.
Optionally, when the time window indicated by the time window indication field is consecutive one or more time slots or subframes or frames or TTIs or symbols or mini slots, a bit combination is used to indicate consecutive specific number of time slots or subframes or frames or TTIs, for example, when P ═ 2, the format of the time window indication field can be referred to table 1.
TABLE 1
Figure BDA0001295055980000091
Figure BDA0001295055980000101
Optionally, when the time window indicated by the time window indication field is one or more non-consecutive slots or subframes or frames or TTIs or symbols or mini slots, a bit combination is used to indicate a non-consecutive specific number of slots or subframes or frames or TTIs, for example, when P ═ 2, the format of the time window indication field can be referred to as shown in table 2.
TABLE 2
Figure BDA0001295055980000102
It should be noted that the contents of table 1 and table 2 and the format of the time window indication field may be defined in advance at the base station and the terminal device side.
In a possible implementation manner, the time window indication field may reuse an existing indication field for implementing other functions, such as an indication field for indicating bundling (Bundle) granularity or Aggregation (Aggregation) granularity or a number of repeated transmissions. The granularity here refers to the number of subframes, slots, TTIs, symbols, etc. bundled or aggregated in time.
In an embodiment of reusing an existing indication field implementing other functions to implement the function of the time window indication field, the configuration message may be DCI. When the DCI is used for configuring the authorization-exempt resource, the time window indication domain realizes the function of the time window indication domain in the application; the time window indication field is used to implement other functions when DCI is used for regular scheduling.
Specifically, when the configuration message is DCI, scrambling of a Cyclic Redundancy Check (CRC) part of the configuration message may be performed in the following manner:
the first method is as follows: cell Radio Network Temporary Identity (C-RNTI) scrambling is used, e.g., DCI for a particular one of the terminal devices. In this way, a specific functional domain is set in the DCI, and is used to indicate whether the DCI is used for conventional scheduling (e.g., uplink transmission based on request scheduling) or configured unlicensed resources according to the embodiment of the present application, for example, the specific functional domain consists of 1 bit, and when the specific functional domain is 0, it indicates that the DCI is used for conventional scheduling, and when the specific functional domain is 1, it indicates that the DCI is used for configuring unlicensed resources; or, when some fields in the DCI take a preset value (e.g., all 0's, or all 1's, etc.), it indicates that the DCI is used to configure the unlicensed resources, and otherwise, the some fields are used for regular scheduling, where the some fields may be fields used for indicating a modulation and coding scheme or other fields.
The second method comprises the following steps: group cell radio network temporary identity (G-C-RNTI) scrambling is used, e.g., Group-based DCI or Common DCI for a particular Group of terminal devices. In this way, a specific functional domain is set in the DCI, and is used to indicate whether the DCI is used for conventional scheduling (e.g., uplink transmission based on request scheduling) or for configuring the unlicensed resource according to the embodiment of the present application, for example, the specific functional domain consists of 1 bit, and when the specific functional domain is 0, it means that the DCI is used for conventional scheduling, and when the specific functional domain is 1, it means that the DCI is used for configuring or reconfiguring the unlicensed resource; or, when some fields in the DCI take a preset value (e.g., all 0's, or all 1's, etc.), it indicates that the DCI is used to configure the unlicensed resources, and otherwise, the some fields are used for regular scheduling, where the some fields may be fields used for indicating a modulation and coding scheme or other fields.
The third method comprises the following steps: and scrambling by using a Radio Network Temporary Identity (RNTI) predefined for the unlicensed transmission, for example, a Radio Network Temporary Identity (Grant-Free C-RNTI) defined as a Radio Network Temporary Identity (GF-C-RNTI), and at this time, considering DCI of a specific terminal device after the terminal device uses the GF-C-RNTI to descramble the DCI successfully in this way, and then considering the DCI to be used for configuring the unlicensed resources.
The method is as follows: and scrambling by using a radio network temporary identifier predefined for the unlicensed transmission, such as a Group GF-C-RNTI (G-GF-C-RNTI), wherein the Group-based DCI or common DCI is specific to a specific Group of terminal devices, and in this way, after the terminal devices descramble the DCI successfully by using the G-GF-C-RNTI, the DCI is considered to be used for configuring the unlicensed resource.
It should be noted that the scrambling method of the DCI in the first and third modes is specific to a specific terminal device, and the scrambling method of the DCI in the second and fourth modes is specific to a group of terminal devices and is applicable to each terminal device in the group of terminal devices.
For the above resource configuration method, fig. 7 shows a flowchart of a method for configuring an unlicensed resource by using DCI by a base station, which specifically includes the following procedures:
step 70: the base station uses RRC message to configure N (N is more than or equal to 1) authorization-free resources for the terminal equipment.
Let N be 4, and the 4 unlicensed resources respectively correspond to a first unlicensed resource corresponding to timeslot 1 and subband 2, a second unlicensed resource corresponding to timeslot 2 and subband 3, a 3 rd unlicensed resource corresponding to timeslot 3 and subband 1, and a 4 th unlicensed resource corresponding to timeslot 4 and subband 4.
Step 71: and the base station sends DCI carrying the time window indication information to the terminal equipment.
The DCI is configured to configure one or more unlicensed resources of the N unlicensed resources configured by the RRC message, and the carried time window indication information is used to inform the terminal device of a time window in which the configuration indicated by the DCI is valid. The configuration indicated by the DCI may be the case of any of the configurations mentioned in the previous embodiments.
It is assumed that DCI carries 1 time window indication message indicating that an effective time window is a time slot with a time slot number of 1. The indicated configuration in the DCI is only in effect in slot 1, which does not change the configuration indicated by the RRC message or the configuration indicated by a previous configuration message (which may be an RRC message or a DCI message, for example) in other slots.
Step 72: the terminal device sends an acknowledgement message to the base station.
It should be noted that, after receiving the DCI carrying the effective time window indication information, the terminal device considers that, in the time window indicated by the effective time window indication information, the received signal for configuring the first unlicensed resource has a higher priority than any signal for configuring the first unlicensed resource that is received before the terminal device, that is, the terminal device considers that the first unlicensed resource is in an activated state in the time window indicated by the effective time window indication information.
In other embodiments, the base station may also configure a time window of each unlicensed resource in an activated state or a deactivated state when N (N ≧ 1) unlicensed resources are configured for the terminal device using the RRC message.
Fig. 8 is a schematic flowchart of a resource configuration method provided in an embodiment of the present application, where the flowchart may be specifically implemented by hardware, software programming, or a combination of hardware and software.
The terminal device may be configured to execute the process shown in fig. 8, and the functional modules in the terminal device for executing the resource configuration scheme provided by the embodiment of the present invention may be specifically implemented by hardware, software programming, and a combination of hardware and software, where the hardware may include one or more signal processing and/or application specific integrated circuits.
As shown in fig. 8, the process specifically includes the following processing procedures:
step 80: the method comprises the steps that terminal equipment receives a configuration message sent by a base station, wherein the configuration message is used for configuring at least one authorization-free resource, the configuration message carries effective time window indication information, and the effective time window indication information is used for indicating the effective time window.
Optionally, after receiving the configuration message sent by the base station, the terminal device feeds back the acknowledgement information to the base station.
Step 81: and the terminal equipment applies the configuration indicated by the configuration message in the effective time window.
Specifically, the terminal device determines an effective time window of the at least one unlicensed resource based on the configuration message; and the terminal equipment transmits data by using the at least one authorization-free resource in the effective time window of the at least one authorization-free resource.
It should be noted that, after receiving the configuration message carrying the indication information of the effective time window, the terminal device interprets the configuration message, and determines that, in the time window indicated by the indication information of the effective time window, the received configuration priority for the unlicensed resource is higher than that of a signal configuring the same unlicensed resource, including a high-level control signal, which is received before the terminal device, in the time window indicated by the indication information of the effective time window, after receiving the configuration message carrying the indication information of the effective time window and used for configuring the unlicensed resource.
For example, assuming that a configuration message received by the terminal device configures a specific unlicensed resource, if the configuration operation is activation, the terminal device considers that the unlicensed resource is in an activated state within a time window indicated by the validation time window indication information carried in the configuration message, regardless of whether the unlicensed resource is in an activated or deactivated state before the terminal device receives the configuration message.
If the configuration operation is deactivation, the terminal considers that the unlicensed resource is in the deactivation state within the time window indicated by the validation time window indication information carried by the configuration message, regardless of whether the unlicensed resource is in the activation or deactivation state before the terminal device receives the configuration message.
If the configuration operation is to configure or reconfigure part or all resources and parameters of the unlicensed resources, the terminal uses the configuration message to configure the resources and parameters within the time window indicated by the effective time window indication information carried by the configuration message, regardless of whether the preceding higher layer signaling, such as RRC signaling, configures the resources and parameters of the unlicensed resources.
Specifically, the starting time of the effective time window may adopt the following manner:
1) the default mode.
After the terminal device receives the configuration message carrying the effective time window indication information in the kth scheduling time unit, the starting time of the indicated time window is considered to be the kth + X (X is greater than or equal to 0) scheduling time unit. Optionally, X may adopt a preset mode, that is, the base station and the terminal device agree and store the value in advance; it may also be determined by the base station and communicated to the terminal device in a semi-static or dynamic manner,
2) the manner in which the validate time window start time is explicitly indicated.
After the terminal device receives the configuration message carrying the effective time window indication information in the kth scheduling time unit, the starting time of the indicated time window is considered to be the kth + X (X is greater than or equal to 0) scheduling time unit. Optionally, the base station informs the terminal device in a semi-static manner through an RRC signaling, or may carry the value of X in a configuration message for configuring the unlicensed resource, and inform the terminal device in a dynamic manner.
It should be noted that the scheduling time unit may be one or more consecutive subframes (subframes), slots (slots), mini-slots (mini-slots), symbols (symbols), Transmission Time Intervals (TTIs), frames (frames), and the like.
In summary, in the embodiment of the present application, the base station determines an effective time window of at least one unlicensed resource configuration; sending a configuration message to a terminal device, where the configuration message is used to configure the at least one unlicensed resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used to indicate the effective time window, so that the terminal device transmits data using the at least one unlicensed resource based on the configuration message; therefore, the problem of high cost of bottom layer control signals when the authorization-free resources are configured in a specific time period in the prior art can be avoided, and the system performance is optimized.
Based on the same concept, the embodiment of the present application further provides a base station, and the base station is configured to perform the actions or functions of the base station in the foregoing method embodiment.
Based on the same concept, the embodiment of the present application further provides a terminal device, where the terminal device is configured to execute the actions or functions of the terminal device in the foregoing method embodiment.
The embodiment of the invention also provides a communication system which comprises the base station and the terminal equipment in the embodiment.
For the sake of brevity, the contents of the apparatus portion may be found in the method embodiments, and the repeated descriptions are omitted.
As shown in fig. 9a, a base station 900a in the embodiment of the present application includes: a processing unit 510a and a sending unit 520a, wherein the processing unit 510a is configured to determine an effective time window of at least one unlicensed resource configuration; a sending unit 520a, configured to send a configuration message to a terminal device, where the configuration message is used to configure the at least one unlicensed resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used to indicate the effective time window.
Optionally, the at least one unlicensed resource configuration includes at least one of the following configurations:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
Optionally, the time window is at least one continuous or discontinuous unit duration, and the unit duration is a time slot, a subframe, a frame, a transmission time interval TTI, a symbol, or a short time slot.
Optionally, the configuration message includes a configuration domain and a time window indication domain corresponding to each unauthorized resource in the at least one unauthorized resource; the configuration domain carries configuration information of the authorization-free resource, and the time window indication domain carries the effective time window indication information.
Optionally, the configuration message further includes an unlicensed resource identification field corresponding to each unlicensed resource in the at least one unlicensed resource.
Optionally, the configuration message is downlink control information DCI or radio resource control RRC message.
Optionally, the authorization-free resource includes at least one of a time domain resource, a frequency domain resource, a pilot frequency parameter, a coding modulation scheme MCS, a power control parameter, a frequency modulation rule, a maximum transmission time, and a waveform.
Optionally, when the configuration message is DCI specifically, scrambling of the cyclic redundancy check portion of the configuration message uses the cell radio network temporary identifier of the terminal device or uses the group cell radio network temporary identifier of the terminal device or uses the radio network temporary identifier for the unlicensed transmission or uses the group radio network temporary identifier for the unlicensed transmission.
Optionally, the time window indication information is carried in an indication field for indicating time bundling or an indication field for indicating time aggregation or an indication field for indicating a number of repeated transmissions.
For all possible implementation manners of the base station 91000a in this embodiment of the present application, refer to all possible implementation manners of the base station in this embodiment of the present application.
It should be noted that in this embodiment of the application, the processing unit 910a may be implemented by a processor, and the transmitting unit 920a may be implemented by a transceiver. As shown in fig. 9b, base station 900b may include a processor 910b, a transceiver 920b, and a memory 930 b. The memory 930b may be used to store a program or code preinstalled at the time of shipment of the base station 900b, or may store a code or the like used when the processor 910b executes.
The processor 910b may be a general Central Processing Unit (CPU), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits, configured to perform related operations to implement the technical solution provided in the embodiment of the present Application.
It should be noted that although the base station 900b shown in fig. 9b only shows the processor 910b, the transceiver 920b and the memory 930b, in a specific implementation, it should be understood by those skilled in the art that the base station 900b also includes other components necessary for normal operation. Also, the base station 900b may comprise hardware components for performing other additional functions, as may be apparent to those skilled in the art, according to particular needs. Further, those skilled in the art will appreciate that the base station 900b may also contain only the devices or modules necessary to implement the embodiments of the present application and need not contain all of the devices shown in fig. 9 b.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
As shown in fig. 10a, a terminal device 1000a according to an embodiment of the present application includes: a receiving unit 1020a and a processing unit 1010a, where the receiving unit 1020a is configured to receive a configuration message sent by a base station, where the configuration message is used to configure at least one unlicensed resource, the configuration message carries effective time window indication information, and the effective time window indication information is used to indicate the effective time window; a processing unit 1010a, configured to apply the configuration indicated by the configuration message within the validation time window.
Optionally, the configuring at least one unlicensed resource includes at least one of the following configurations:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
For all possible implementation manners of the terminal device 1000a in the embodiment of the present application, refer to all possible implementation manners of the terminal device in the embodiment of the present application.
It should be noted that in the embodiment of the present application, the processing unit 1010a may be implemented by a processor, and the receiving unit 1020a may be implemented by a transceiver. As shown in fig. 10b, the terminal device 1000b may include a processor 1010b, a transceiver 1020b, and a memory 1030 b. The memory 1030b may be used to store a program or code preinstalled at the time of shipment of the terminal device 1000b, and may also store a code or the like used when the processor 1010b executes.
The processor 1010b may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits, and is configured to execute related operations to implement the technical solutions provided in the embodiments of the present application.
It should be noted that although the terminal device 1000b shown in fig. 10b only shows the processor 1010b, the transceiver 1020b and the memory 1030b, in a specific implementation, it should be understood by those skilled in the art that the terminal device 1000b also contains other components necessary for normal operation. Meanwhile, according to specific needs, it should be understood by those skilled in the art that the terminal device 1000b may also include hardware components for implementing other additional functions. Furthermore, it should be understood by those skilled in the art that the terminal device 1000b may also include only the components or modules necessary for implementing the embodiments of the present application, and not necessarily all of the components shown in fig. 10 b.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, or the like.
The communication system of the embodiment of the present application includes any one of the possible base stations shown in fig. 9a or 9b and any one of the possible terminal devices shown in fig. 10a or 10 b.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.

Claims (21)

1. A method for resource allocation, comprising:
the base station determines an effective time window of at least one authorization-free resource configuration;
the base station sends a configuration message to a terminal device, wherein the configuration message is used for configuring the at least one authorization-free resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used for indicating the effective time window;
the time window is continuous or discontinuous at least one unit duration, and the unit duration is a time slot or a subframe or a frame or a transmission time interval TTI or a symbol or a short time slot.
2. The method of claim 1, wherein the at least one unlicensed resource configuration comprises at least one of:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
3. The method of claim 1, wherein the configuration message includes a configuration domain and a time window indication domain corresponding to each of the at least one unlicensed resource; the configuration domain carries configuration information of the authorization-free resource, and the time window indication domain carries the effective time window indication information.
4. The method of claim 3, wherein the configuration message further includes an unlicensed resource identification field corresponding to each of the at least one unlicensed resource.
5. The method according to any of claims 1-4, wherein the configuration message is a Downlink control information, DCI, or a radio resource control, RRC, message.
6. The method of any one of claims 1-4, wherein the license-exempt resources comprise at least one of time domain resources, frequency domain resources, pilot parameters, coding modulation scheme (MCS), power control parameters, frequency modulation rules, maximum number of transmissions, waveforms.
7. The method of claim 5, wherein the scrambling of the cyclic redundancy check part of the configuration message is performed using the cell radio network temporary identifier of the terminal device or using the group cell radio network temporary identifier of the terminal device or using the radio network temporary identifier for unlicensed transmission or using the group radio network temporary identifier for unlicensed transmission when the configuration message is specifically DCI.
8. The method of any one of claims 1-4, wherein the time window indication information is carried in an indication field for indicating time bundling or an indication field for indicating time aggregation or an indication field for indicating a number of repeated transmissions.
9. A method for resource allocation, comprising:
the method comprises the steps that terminal equipment receives a configuration message sent by a base station, wherein the configuration message is used for configuring at least one authorization-free resource, the configuration message carries effective time window indication information, and the effective time window indication information is used for indicating an effective time window;
the terminal equipment applies the configuration indicated by the configuration message in the effective time window;
the time window is continuous or discontinuous at least one unit duration, and the unit duration is a time slot or a subframe or a frame or a transmission time interval TTI or a symbol or a short time slot.
10. The method of claim 9, wherein the configuring the at least one unlicensed resource comprises at least one of:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
11. A base station, comprising:
a processing unit, configured to determine an effective time window of at least one unlicensed resource configuration;
a sending unit, configured to send a configuration message to a terminal device, where the configuration message is used to configure the at least one unlicensed resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used to indicate the effective time window;
the time window is continuous or discontinuous at least one unit duration, and the unit duration is a time slot or a subframe or a frame or a transmission time interval TTI or a symbol or a short time slot.
12. The base station of claim 11, wherein the at least one unlicensed resource configuration comprises at least one of:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
13. The base station of claim 11, wherein the configuration message includes a configuration domain and a time window indication domain corresponding to each unlicensed resource in the at least one unlicensed resource; the configuration domain carries configuration information of the authorization-free resource, and the time window indication domain carries the effective time window indication information.
14. The base station of claim 13, wherein the configuration message further includes an unlicensed resource identification field corresponding to each of the at least one unlicensed resource.
15. The base station according to any of claims 11-14, wherein said configuration message is a downlink control information, DCI, or a radio resource control, RRC, message.
16. The base station of any of claims 11-14, wherein the license-exempt resources comprise at least one of time domain resources, frequency domain resources, pilot parameters, coding modulation scheme (MCS), power control parameters, frequency modulation rules, maximum number of transmissions, waveforms.
17. The base station of claim 15, wherein when the configuration message is DCI in particular, the scrambling of the cyclic redundancy check portion of the configuration message uses the cell radio network temporary identifier of the terminal device or uses the group cell radio network temporary identifier of the terminal device or uses the radio network temporary identifier for unlicensed transmission or uses the group radio network temporary identifier for unlicensed transmission.
18. The base station of any of claims 11-14, wherein the time window indication information is carried in an indication field for indicating time bundling or an indication field for indicating time aggregation or an indication field for indicating a number of repeated transmissions.
19. A terminal device, comprising:
a receiving unit, configured to receive a configuration message sent by a base station, where the configuration message is used to configure at least one unlicensed resource, the configuration message carries an effective time window indication information, and the effective time window indication information is used to indicate the effective time window;
a processing unit, configured to apply the configuration indicated by the configuration message within the validation time window;
the time window is continuous or discontinuous at least one unit duration, and the unit duration is a time slot or a subframe or a frame or a transmission time interval TTI or a symbol or a short time slot.
20. The terminal device of claim 19, wherein the configuring the at least one unlicensed resource comprises at least one of:
activating or re-activating the at least one unlicensed resource, deactivating the at least one unlicensed resource, configuring or reconfiguring some or all of the resources and parameters of the at least one unlicensed resource.
21. A communication system comprising a base station according to any of claims 11 to 18 and a terminal device according to any of claims 19 to 20.
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