CN108811104B - Wireless resource allocation method and device - Google Patents

Wireless resource allocation method and device Download PDF

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CN108811104B
CN108811104B CN201710309143.4A CN201710309143A CN108811104B CN 108811104 B CN108811104 B CN 108811104B CN 201710309143 A CN201710309143 A CN 201710309143A CN 108811104 B CN108811104 B CN 108811104B
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scheduling
dci
information
free
radio resource
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CN108811104A (en
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艾建勋
黄河
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2018/085544 priority patent/WO2018202113A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

The invention provides a wireless resource allocation method and a wireless resource allocation device. Wherein the method comprises the following steps: the access network element configures scheduling-free radio resources for the user equipment UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource. The invention solves the problem that the radio resource configuration can not be carried out for each UE when a plurality of UE share and use the scheduling-free radio resource in the related technology, and further can realize the technical effect of flexible configuration of the radio resource of each UE.

Description

Wireless resource allocation method and device
Technical Field
The present invention relates to the field of communications, and in particular, to a method and apparatus for configuring radio resources.
Background
In 3GPP radio technology discussion, there is a need for scheduling-free uplink transmission, that is, a network allocates dedicated or shared semi-static uplink radio resources to a UE in advance, and when the UE transmits uplink data, the UE can directly use the pre-semi-static allocated uplink radio resources to perform uplink data transmission without requesting the network to allocate uplink grant (UL grant).
One way to achieve the above-mentioned scheduling-free transmission is to allocate the semi-persistent radio resource in a similar way to 3GPP prior art semi-persistent scheduling (semi static scheduling like, abbreviated SPS-like).
In the prior art SPS, an access network side network element (e.g., eNB of LTE, gNB in 5G/NR) configures an SPS interval (interval) for a user terminal (UE) through a radio resource control (Radio Resource Control, abbreviated as RRC) message, and an SPS C-RNTI for an SPS configuration command (SPS command).
The access network element sends Downlink Control Information (DCI) scrambled with SPS C-RNTI on a downlink physical common control channel (Physical Downlink Control Channel, abbreviated PDCCH) to control activation and deactivation of SPS scheduling, hybrid automatic repeat (Hybrid Automatic Repeat reQuest, abbreviated HARQ) retransmission (retransmission), and modulation coding scheme (Modulation and Coding Scheme, abbreviated MCS) in configuring SPS uplink grant, frequency domain information of SPS uplink grant, and so on.
In the prior art (refer to 3gpp ts 36.321), if the cell NDI (new data indicator) in the DCI scrambled by the SPS C-RNTI is set to 0 and the cell release in the DCI is set to 0, the UE initializes or reinitializes SPS scheduling resources, where SPS scheduling resources are: the uplink grant (UL grant) indicated by the DCI and configured repeatedly with SPS interval as a period, as shown in fig. 1, is an example of uplink SPS, where uplink grant resources repeatedly appear with SPS interval as a period. This process is called an Activation (Activation) process of SPS. The SPS uplink radio resources of the UE are also referred to as configured uplink grants (configured uplink grant), and the SPS downlink radio resources of the UE are also referred to as configured downlink assignments (configured downlink assignment).
If the cell release in the DCI is set to 1, the UE releases the configured SPS resources, for uplink, the UE releases the configured uplink grant (configured uplink grant), for downlink, the UE releases the configured downlink assignment, a process called deactivation.
In the prior art, SPS is used to allocate dedicated semi-static uplink or downlink radio resources for UEs, and when a plurality of UEs share uplink or downlink radio resources configured in a semi-static manner, how to configure uplink or downlink radio resources for each UE, and how to perform configuration operations of activating, deactivating, and reconfiguring radio resources for each UE and for all UEs sharing the same uplink or downlink radio resources, is a problem to be solved.
Disclosure of Invention
The embodiment of the invention provides a wireless resource allocation method and a wireless resource allocation device, which at least solve the problem that wireless resource allocation cannot be carried out for each UE when a plurality of UEs share and use scheduling-free wireless resources in the related art.
According to an embodiment of the present invention, there is provided a radio resource allocation method including: the network element configures the scheduling-free wireless resource for the user equipment UE according to the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the method further includes: and configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
Optionally, the scheduling-free radio resource includes: scheduling-free uplink grant and scheduling-free downlink assignment.
Alternatively, different UEs are respectively configured with the same or different interval length of the scheduling-free radio resource or the number of HARQ processes.
Optionally, the access network element activates or deactivates the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI; or the access network element reconfigures the scheduling-free radio resource configured by the UE by using the special RNTI or the public RNTI.
Optionally, the activating or deactivating the scheduling-free radio resource configured by the UE by the access network element using the dedicated RNTI or the common RNTI includes: the access network element sends Downlink Control Information (DCI) of a Physical Downlink Control Channel (PDCCH) with a first designated format to instruct the UE to activate or deactivate the scheduling-free wireless resource; the access network element reconfiguring the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends DCI of a PDCCH with a second appointed format so as to instruct the UE to reconfigure the scheduling-free wireless resource; wherein the DCI is scrambled using the UE-specific RNTI or the common RNTI.
Optionally, if the non-scheduled radio resource is a non-scheduled uplink grant, the DCI carries uplink grant information of the non-scheduled radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information; if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval of uplink grant carried by the DCI in a time domain relative to radio resources for transmitting the DCI. The DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
Optionally, the access network element sending DCI of the PDCCH of the second specified format to instruct the UE to reconfigure the scheduling-free radio resource includes: the UE keeps the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the second designated format; or, the UE starts from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the second specified PDCCH, and uses the frequency domain information and/or modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the second specified format.
According to another embodiment of the present invention, there is provided a radio resource allocation method including: the User Equipment (UE) receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; and the UE uses the scheduling-free wireless resource according to the configuration information.
Optionally, the configuration information further includes: and configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
Optionally, the method further comprises: when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third designated format sent by the access network element, the UE activates or deactivates the scheduling-free wireless resource; when receiving DCI of PDCCH of a fourth specified format sent by the access network element, the UE reconfigures the scheduling-free wireless resource; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI.
Optionally, if the non-scheduled radio resource is a non-scheduled uplink grant, the DCI carries uplink grant information of the non-scheduled radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information; if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval of uplink grant carried by the DCI in a time domain relative to radio resources for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
Optionally, when receiving DCI of PDCCH of a fourth specified format sent by the access network element, the UE reconfigures the scheduling-free radio resource includes: the UE keeps the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the fourth specified format; or,
And starting from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the PDCCH of the fourth specified format, the UE uses the frequency domain information and/or the modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the fourth specified format.
According to another embodiment of the present invention, there is provided a radio resource allocation apparatus applied to an access network element, including: a configuration module, configured to configure scheduling-free radio resources for a user equipment UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the method further includes: and configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
According to another embodiment of the present invention, there is provided a radio resource allocation apparatus applied to a user equipment UE, including: a receiving module, configured to receive configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; a first processing module for using the scheduling-free radio resource according to the configuration information
Optionally, the apparatus further comprises: a second processing module, configured to activate or deactivate the scheduling-free radio resource when downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element is received; a third processing module, configured to reconfigure the scheduling-free radio resource when receiving DCI of a PDCCH of a fourth specified format sent by the access network element; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI.
Optionally, the third processing module includes: a first processing unit, configured to keep a time domain resource of a currently configured uplink grant or configured downlink assignment unchanged, and reconfigure the configured uplink grant or configured downlink assignment according to frequency domain information and/or a modulation coding scheme indicated in DCI of the PDCCH of the fourth specified format; or, the second processing unit is configured to use, starting from a time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the PDCCH of the fourth specified format, frequency domain information and/or a modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the fourth specified format.
According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is arranged to store program code for performing the steps of:
the access network element configures scheduling-free radio resources for the user equipment UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the storage medium is further arranged to store program code for performing the steps of:
the User Equipment (UE) receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; and the UE uses the scheduling-free wireless resource according to the configuration information.
According to the invention, the access network element configures the scheduling-free wireless resource for the user equipment UE according to the following mode: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource. That is, the invention configures the scheduling-free resource for each UE in the above manner, solves the problem that the related art cannot configure the radio resource for each UE when a plurality of UEs share the scheduling-free radio resource, and further can achieve the technical effect of flexible configuration of the radio resource of each UE.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of a prior art semi-persistent scheduling SPS in the related art;
fig. 2 is a flowchart of a radio resource allocation method according to an embodiment of the present invention;
fig. 3 is a flowchart of another radio resource allocation method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a radio resource configuration according to an embodiment of the present invention;
fig. 5 is a schematic diagram of radio resource allocation according to an embodiment of the present invention (one);
fig. 6 is a schematic diagram of radio resource allocation (ii) according to an embodiment of the present invention;
fig. 7 is a schematic diagram of radio resource allocation (iii) according to an embodiment of the present invention;
fig. 8 is a block diagram of a radio resource allocation apparatus according to an embodiment of the present invention;
fig. 9 is a block diagram of another radio resource allocation apparatus according to an embodiment of the present invention;
fig. 10 is a block diagram (a) of another radio resource allocation apparatus according to an embodiment of the present invention;
fig. 11 is a block diagram of another radio resource allocation apparatus according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
Example 1
In this embodiment, a radio resource allocation method is provided, fig. 2 is a flowchart of a radio resource allocation method according to an embodiment of the present invention, and as shown in fig. 2, the flowchart includes the following steps:
step S202, the access network element configures the scheduling-free wireless resource for the user equipment UE according to the following mode:
a dedicated radio network temporary identity, RNTI, is configured for a UE and/or a common RNTI for the UE sharing the scheduling-free radio resource.
Through the above steps, the access network element configures the scheduling-free radio resource for the user equipment UE in the following manner: a dedicated radio network temporary identity, RNTI, is configured for a UE and/or a common RNTI for the UE sharing the scheduling-free radio resource. That is, the invention configures the scheduling-free resource for each UE in the above manner, solves the problem that the related art cannot configure the radio resource for each UE when a plurality of UEs share the scheduling-free radio resource, and further can achieve the technical effect of flexible configuration of the radio resource of each UE.
Optionally, the above manner further includes: the interval length of the non-scheduling wireless resource is configured for the UE, and the number of the HARQ processes using the non-scheduling wireless resource is configured for the UE.
Note that, the above-mentioned scheduling-free radio resource includes: scheduling-free uplink grant and scheduling-free downlink assignment.
Alternatively, different UEs are respectively configured with the same or different interval length of the scheduling-free radio resource or the number of HARQ processes.
In an alternative embodiment, the access network element uses the dedicated RNTI or the common RNTI to activate or deactivate the scheduling-free radio resources configured by the UE; or the access network element reconfigures the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI.
Wherein the access network element activating or deactivating the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI comprises: the access network element sends Downlink Control Information (DCI) of a Physical Downlink Control Channel (PDCCH) with a first designated format to instruct the UE to activate or deactivate the scheduling-free wireless resource; the access network element reconfiguring the UE-configured scheduling-free radio resources using the dedicated RNTI or the common RNTI comprises: the access network element transmits DCI of a PDCCH in a second designated format to instruct the UE to reconfigure the scheduling-free wireless resource;
The DCI is scrambled using a dedicated RNTI or a common RNTI.
Optionally, if the non-scheduled radio resource is a non-scheduled uplink grant, the DCI carries uplink grant information of the non-scheduled radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information; if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval of uplink grant carried by the DCI in a time domain relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
In an alternative embodiment, the access network element transmitting DCI of the second specified PDCCH to instruct the UE to reconfigure the scheduling-free radio resource includes: the UE keeps the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the second designated format; or, the UE starts from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the second specified PDCCH, and uses the frequency domain information and/or modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the second specified format.
In this embodiment, there is also provided a radio resource allocation method, and fig. 3 is a flowchart of another radio resource allocation method according to an embodiment of the present invention, as shown in fig. 3, where the flowchart includes the following steps:
step S302, the UE receives configuration information sent by the access network element, where the configuration information includes: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
in step S304, the UE uses the scheduling-free radio resource according to the configuration information.
Through the steps S302 to S304, the UE receives configuration information sent by the access network element, where the configuration information includes: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; the UE uses the scheduling-free wireless resource according to the configuration information, so that the problem that the wireless resource configuration cannot be carried out for each UE when a plurality of UEs share the scheduling-free wireless resource in the related technology is solved, and the technical effect of flexible configuration of the wireless resource of each UE can be realized.
In an optional embodiment, the configuration information further includes: the interval length of the non-scheduling wireless resource is configured for the UE, and the number of the HARQ processes using the non-scheduling wireless resource is configured for the UE.
Optionally, when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element, the UE activates or deactivates the scheduling-free radio resource; when receiving DCI of PDCCH of fourth appointed format sent by network element of the access network, the UE reconfigures the non-scheduling wireless resource;
the DCI is scrambled using a dedicated RNTI or a common RNTI.
In an optional embodiment, if the non-scheduled radio resource is a non-scheduled uplink grant, the DCI carries uplink grant information of the non-scheduled radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information; if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval of uplink grant carried by the DCI in a time domain relative to a radio resource for transmitting the DCI; the DCI further carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources for transmitting the DCI.
When receiving DCI of PDCCH of a fourth specified format sent by the access network element, the UE reconfigures the scheduling-free radio resource includes: the UE keeps the time domain resource of the uplink grant or the downlink assignment configured at present unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the fourth designated format; or,
the UE uses the frequency domain information and/or modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the fourth specified format, starting from the time domain resource of the first currently configured uplink grant or downlink assignment after receiving the DCI of the PDCCH of the fourth specified format.
The present embodiment is illustrated below with reference to specific examples.
The access network element configures dedicated or multiple UE-shared scheduling-free radio resources for the UE by:
the access network element configures an interval length (interval) of the non-scheduling radio resource for the UE, that is, a time domain period length of the non-scheduling radio resource configured for the UE. The access network element configures the same or different interval lengths for different UEs. As in the example shown in fig. 4, UE1 and UE2 share use of the scheduling-free radio resource, and UE1 and UE2 are respectively configured with different interval length values.
The access network element configures the number of HARQ processes using the non-scheduling wireless resource for the UE, if the non-scheduling wireless resource comprises an uplink wireless resource, the number of HARQ processes comprises the number of uplink HARQ processes, and if the non-scheduling wireless resource comprises a downlink wireless resource, the number of HARQ processes comprises the number of downlink HARQ processes.
Wherein different UEs are respectively configured with the same or different interval lengths of the scheduling-free wireless resources or the number of HARQ processes.
The access network element configures the RNTI special for the UE, and is used for activating the UE to use the non-scheduling wireless resource, and/or deactivating the non-scheduling wireless resource configured by the UE, and/or reconfiguring the non-scheduling wireless resource configured by the UE, and/or indicating retransmission information of the HARQ process using the non-scheduling wireless resource for the UE.
The access network element configures a common RNTI of the non-scheduling radio resource for the UE sharing the non-scheduling radio resource, and is used for activating the plurality of UEs to use the non-scheduling radio resource, and/or deactivating the non-scheduling radio resource configured by the plurality of UEs, and/or reconfiguring the non-scheduling radio resource configured by the plurality of UEs.
The UE configured with the dedicated RNTI and the scheduling-free radio resource common RNTI detects the dedicated RNTI or the common RNTI-scrambled PDCCH signaling DCI when listening to (keep monitoring) the PDCCH channel.
The non-scheduled radio resource is a non-scheduled uplink grant (uplink grant) or a non-scheduled downlink assignment (downlink assignment).
The scheduling-free uplink grant refers to: the uplink grant is semi-static configuration, and when the UE uses a certain uplink grant, the UE directly uses the uplink grant to send uplink transmission without pre-applying.
The scheduling-free downlink assignment refers to: the downlink assignment is semi-static configuration, and when the UE receives downlink transmission on a certain scheduling-free downlink assignment resource, the UE does not need to receive downlink assignment information sent by a physical common control channel in advance.
The access network element uses the UE-specific RNTI or the common RNTI to activate the scheduling-free radio resource configured by the UE: the access network element transmits PDCCH signaling DCI of a specific format, the DCI being scrambled using the UE-specific RNTI or the common RNTI, the DCI indicating that the UE activates the scheduling-free radio resource.
Optionally, if the radio resource is uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, including frequency domain information of the uplink grant and/or Modulation and Coding Scheme (MCS) information.
Optionally, the DCI further carries time information, which is used to indicate a time interval of the uplink grant carried by the DCI in the time domain relative to the radio resource that sends the DCI.
The UE that received the DCI initializes or re-initializes the uplink grant configured by the UE (configured uplink grant). The configured uplink grant (configured uplink grant) is: from the uplink grant indicated by the DCI, the radio resource is repeated at the interval length, that is, the same frequency domain resource and/or MCS radio resource at intervals of the interval length.
As shown in the example of fig. 5, the UE first receives the DCI indicating the first uplink grant, and the uplink grant configured by the UE includes the uplink grant and the uplink grant repeated with the interval length as a period thereafter.
Optionally, if the radio resource is downlink assignment, the DCI carries downlink assignment information of the scheduling-free radio resource, including downlink assigned frequency domain information and/or Modulation and Coding Scheme (MCS) information.
Optionally, the DCI further carries time information (timing) for indicating a time interval of the downlink assignment relative to a radio resource for transmitting the DCI.
The UE receiving the DCI initializes or re-initializes its configured downlink assignment (configured downlink assignment), the configured downlink assignment (configured downlink assignment) being: the radio resources repeated at the interval length, i.e., the same frequency domain resources and/or MCS radio resources at intervals of the interval length, start from the downlink assignment indicated by the DCI.
The access network element uses the UE-specific RNTI or the common RNTI to deactivate the scheduling-free radio resources configured by the UE, which means: the access network element transmits PDCCH signaling DCI of a specific format, the DCI being scrambled using the UE-specific RNTI or the common RNTI, the DCI indicating that the UE deactivates the non-scheduled radio resource.
The DCI indicates to release the configured non-scheduling wireless resource, and if the configured non-scheduling wireless resource is configured uplink grant, the UE releases the configured uplink grant corresponding to the non-scheduling wireless resource.
And if the configured non-scheduling wireless resource is downlink assignment, the UE releases the configured downlink configuration corresponding to the non-scheduling wireless resource.
The access network element uses the UE-specific RNTI or the common RNTI to reconfigure the scheduling-free radio resources configured by the UE, which means: the access network element transmits PDCCH signaling DCI of a specific format, the DCI being scrambled using the UE-specific RNTI or the common RNTI, the DCI indicating the UE to reconfigure the scheduling-free radio resources.
Optionally, if the radio resource is uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, including frequency domain information of the uplink grant and/or Modulation and Coding Scheme (MCS) information.
Optionally, the DCI further carries time information, which is used to indicate a time interval of the uplink grant carried by the DCI in the time domain relative to the radio resource that sends the DCI.
The UE that receives the DCI reinitializes (reinitiates) the UE configured uplink grant (configured uplink grant), namely: and (3) keeping the time domain resource of the uplink grant of the existing configuration unchanged, and reconfiguring the configured uplink grant according to the frequency domain information and/or the modulation coding scheme indicated in the DCI. The UE uses the uplink grant frequency domain information and/or modulation coding scheme indicated in the DCI starting from the first existing configured uplink grant time domain resource after receiving the DCI.
And if the UE receiving the DCI information does not activate the scheduling-free wireless resource or does not use the uplink grant of the configuration of the scheduling-free wireless resource, the DCI information is ignored.
As shown in the example of fig. 6, the UE first receives the DCI, where the DCI carries uplink grant information, and the UE reconfigures the uplink grant of the existing configuration using the grant information indicated by the DCI from the next uplink grant of the existing configuration, but keeps the time domain resources of the uplink grant of the existing configuration unchanged, and only uses the frequency domain information and/or modulation coding scheme indicated by the DCI.
Optionally, if the radio resource is a downlink resource, the implementation method of the reconfiguration is similar to the above-mentioned reconfiguration method for the uplink resource.
As a specific implementation of the present invention, the above-mentioned scheduling-free radio resource is configured by an SPS mechanism in 3GPP technology, and the access network element configures the UE to use the scheduling-free radio resource by configuring SPS configuration for the UE, specifically:
SPS intervals (SPS intervals) are configured for UEs, and UEs sharing scheduling-free radio resources may configure the same or different SPS intervals.
The number of the same or different HARQ processes using SPS resources is configured for the UEs sharing the scheduling-free radio resources.
Configuring a UE-dedicated RNTI, SPS C-RNTI for each UE sharing the scheduling-free radio resource;
and sharing the Common RNTI configured by the UE using the same scheduling-free radio resource.
The access network element may configure one or more SPS configuration for a UE such that the UE uses multiple sets of non-scheduled radio resources, as shown in fig. 7, the UE is configured with two sets SPS configuration, and the uplink grant for the UE to use the configuration of each set SPS configuration of radio resources is shown in fig. 7.
The access network element configures each set SPS configuration of UE-specific RNTIs for the UE, as well as SPS configuration-specific common RNTIs. At this time, the uplink grant of the configuration in the present invention is an uplink grant using an uplink radio resource of a certain set SPS configuration of the configuration, and the downlink configuration in the present invention is a downlink assignment using a downlink radio resource of a certain set SPS configuration of the configuration.
The method provided by the invention realizes the functions of flexibly distributing, activating, deactivating and reconfiguring the shared scheduling-free wireless resource for the UE sharing the scheduling-free wireless resource.
When an access network controls a specific UE to use shared scheduling-free radio resources, the access network can control the action of the UE to use the radio resources through DCI scrambled by the RNTI special for the UE.
When the access network needs to control all the UEs using the shared scheduling-free radio resource, the action of the UEs using the scheduling-free radio resource can be controlled through the DCI scrambled by the common RNTI of the scheduling-free radio resource, and the DCI scrambled by the dedicated RNTI is not required to be sent for each UE for control, so that the signaling cost of a radio interface is saved, and the efficiency of radio resource control is improved.
The access network can also realize different intervals (SPS interval) for using the shared scheduling-free wireless resource for different UE configuration by the method of the invention so as to meet the service quality requirements of different UE.
On the basis, the invention also provides a method for reconfiguring the shared non-scheduling wireless resource used by the UE, namely, the information of the shared wireless resource is reconfigured by the UE which indicates to use the shared non-scheduling wireless resource through DCI, but the time domain information of the shared wireless resource is not affected. By the reconfiguration method, for the UE configured with different intervals (intervals), the network side only needs to send the reconfigured DCI information once, and the time domain position of the shared wireless resource used by different UEs is not required to be considered, so that the reconfiguration of one or all the UEs with the same scheduling-free wireless resource can be realized without influencing the time domain position of the wireless resource used by the UE.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
Example 2
The embodiment also provides a radio resource allocation device, which is used for implementing the foregoing embodiments and preferred embodiments, and is not described in detail. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
Fig. 8 is a block diagram of a radio resource allocation apparatus according to an embodiment of the present invention, and as shown in fig. 8, the apparatus includes:
1) A configuration module 82, configured to configure scheduling-free radio resources for the user equipment UE in the following manner: a dedicated radio network temporary identity, RNTI, is configured for a UE and/or a common RNTI for the UE sharing the scheduling-free radio resource.
With the arrangement shown in fig. 8, the access network element configures scheduling-free radio resources for the user equipment UE in the following manner: a dedicated radio network temporary identity, RNTI, is configured for a UE and/or a common RNTI for the UE sharing the scheduling-free radio resource. That is, the invention configures the scheduling-free resource for each UE in the above manner, solves the problem that the related art cannot configure the radio resource for each UE when a plurality of UEs share the scheduling-free radio resource, and further can achieve the technical effect of flexible configuration of the radio resource of each UE.
Optionally, the above manner further includes: the interval length of the non-scheduling wireless resource is configured for the UE, and the number of the HARQ processes using the non-scheduling wireless resource is configured for the UE.
Note that, the above-mentioned scheduling-free radio resource includes: scheduling-free uplink grant and scheduling-free downlink assignment.
Alternatively, different UEs are respectively configured with the same or different interval length of the scheduling-free radio resource or the number of HARQ processes.
In an alternative embodiment, the access network element uses the dedicated RNTI or the common RNTI to activate or deactivate the scheduling-free radio resources configured by the UE; or the access network element reconfigures the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI.
Wherein the access network element activating or deactivating the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI comprises: the access network element sends Downlink Control Information (DCI) of a Physical Downlink Control Channel (PDCCH) with a first designated format to instruct the UE to activate or deactivate the scheduling-free wireless resource; the access network element reconfiguring the UE-configured scheduling-free radio resources using the dedicated RNTI or the common RNTI comprises: the access network element transmits DCI of a PDCCH in a second designated format to instruct the UE to reconfigure the scheduling-free wireless resource;
the DCI is scrambled using a dedicated RNTI or a common RNTI.
Optionally, if the non-scheduled radio resource is a non-scheduled uplink grant, the DCI carries uplink grant information of the non-scheduled radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information; if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval of uplink grant carried by the DCI in a time domain relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
In an alternative embodiment, the access network element transmitting DCI of the second specified PDCCH to instruct the UE to reconfigure the scheduling-free radio resource includes: the UE keeps the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the second designated format; or, the UE starts from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the second specified PDCCH, and uses the frequency domain information and/or modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the second specified format.
In this embodiment, there is also provided a radio resource allocation apparatus, and fig. 9 is a block diagram of another radio resource allocation apparatus according to an embodiment of the present invention, as shown in fig. 9, including:
1) A receiving module 92, configured to receive configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
2) A first processing module 94 is configured to use the scheduling-free radio resource according to the configuration information.
Through the apparatus shown in fig. 9, the UE receives configuration information sent by the access network element, where the configuration information includes: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; the UE uses the scheduling-free wireless resource according to the configuration information, so that the problem that the wireless resource configuration cannot be carried out for each UE when a plurality of UEs share the scheduling-free wireless resource in the related technology is solved, and the technical effect of flexible configuration of the wireless resource of each UE can be realized.
In an optional embodiment, the configuration information further includes: the interval length of the non-scheduling wireless resource is configured for the UE, and the number of the HARQ processes using the non-scheduling wireless resource is configured for the UE.
In an alternative implementation, fig. 10 is a block diagram (a) of another radio resource allocation apparatus according to an embodiment of the present invention, as shown in fig. 10, including:
1) A second processing module 102, configured to activate or deactivate the scheduling-free radio resource when downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element is received;
2) A third processing module 104, configured to reconfigure the scheduling-free radio resource when receiving DCI of a PDCCH of a fourth specified format sent by the access network element; wherein the DCI is scrambled using a dedicated RNTI or a common RNTI.
In an optional embodiment, if the non-scheduled radio resource is a non-scheduled uplink grant, the DCI carries uplink grant information of the non-scheduled radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information; if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval of uplink grant carried by the DCI in a time domain relative to a radio resource for transmitting the DCI; the DCI further carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources for transmitting the DCI.
In an alternative implementation, fig. 11 is a block diagram (two) of another radio resource configuration device according to an embodiment of the present invention, and as shown in fig. 11, the third processing module 104 includes:
1) A first processing unit 112, configured to keep the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigure the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the fourth specified format; alternatively, the third processing unit is used to replace the first processing unit 112 equivalently, where the second processing unit is configured to use the frequency domain information and/or the modulation coding scheme of the uplink grant or the downlink assignment indicated in the DCI of the fourth specified format, starting from the time domain resource of the first currently configured uplink grant or the configured downlink assignment after receiving the DCI of the PDCCH of the fourth specified format.
It should be noted that each of the above modules may be implemented by software or hardware, and for the latter, it may be implemented by, but not limited to: the modules are all located in the same processor; alternatively, the above modules may be located in different processors in any combination.
Example 3
The embodiment of the invention also provides a storage medium. Alternatively, in the present embodiment, the above-described storage medium may be configured to store program code for performing the steps of:
s1, an access network element configures scheduling-free wireless resources for User Equipment (UE) according to the following mode: configuring a special radio network temporary identity, RNTI, for the UE and/or configuring a common RNT of the non-scheduled radio resources for the UE sharing the non-scheduled radio resources.
Optionally, the storage medium is further arranged to store program code for performing the steps of:
s2, the user equipment UE receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
And S3, the UE uses the scheduling-free wireless resource according to the configuration information.
Alternatively, in the present embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Alternatively, in the present embodiment, the processor performs the above step S1 according to the program code stored in the storage medium.
Alternatively, in the present embodiment, the processor performs the above steps S2, S3 according to the program code stored in the storage medium.
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments and optional implementations, and this embodiment is not described herein.
It will be appreciated by those skilled in the art that the modules or steps of the invention described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a memory device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than that shown or described, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module for implementation. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (18)

1. A radio resource allocation method, comprising:
the access network element configures scheduling-free radio resources for the user equipment UE in the following manner:
configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
the access network element sends Downlink Control Information (DCI) of a Physical Downlink Control Channel (PDCCH) with a first designated format to instruct the UE to activate or deactivate the scheduling-free wireless resource; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI; the DCI also carries first time information, wherein the first time information is used for indicating a time interval of uplink authorization carried by the DCI relative to wireless resources for transmitting the DCI in a time domain; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
2. The method of claim 1, wherein the means further comprises:
and configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
3. The method of claim 1, wherein the scheduling-free radio resource comprises: scheduling-free uplink grant and scheduling-free downlink assignment.
4. The method according to claim 2, characterized in that different UEs are configured with the same or different interval length of the scheduling-free radio resource or the number of HARQ processes, respectively.
5. The method of claim 1, wherein the step of determining the position of the substrate comprises,
the access network element reconfigures the scheduling-free radio resources configured by the UE by using the special RNTI or the public RNTI.
6. The method of claim 5, wherein the step of determining the position of the probe is performed,
the access network element reconfiguring the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: and the access network element sends DCI of the PDCCH in a second specified format to instruct the UE to reconfigure the scheduling-free wireless resource.
7. The method of claim 6, wherein the step of providing the first layer comprises,
if the non-scheduling radio resource is a non-scheduling uplink grant, the DCI carries uplink grant information of the non-scheduling radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information;
if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
8. The method of claim 6, wherein the access network element transmitting DCI of a second specified format of PDCCH to instruct the UE to reconfigure the scheduling-free radio resources comprises:
the UE keeps the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the second designated format; or,
and starting from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the PDCCH of the second appointed format, the UE uses the frequency domain information and/or the modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the second appointed format.
9. A radio resource allocation method, comprising:
the User Equipment (UE) receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
the UE uses the scheduling-free wireless resource according to the configuration information;
when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third designated format sent by the access network element, the UE activates or deactivates the scheduling-free wireless resource; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI; the DCI also carries first time information, wherein the first time information is used for indicating a time interval of uplink authorization carried by the DCI relative to wireless resources for transmitting the DCI in a time domain; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
10. The method of claim 9, wherein the configuration information further comprises:
and configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
11. The method according to claim 9, wherein the method further comprises:
and when receiving the DCI of the PDCCH with the fourth specified format sent by the access network element, the UE reconfigures the scheduling-free wireless resource.
12. The method of claim 11, wherein the step of determining the position of the probe is performed,
if the non-scheduling radio resource is a non-scheduling uplink grant, the DCI carries uplink grant information of the non-scheduling radio resource, where the uplink grant information includes at least one of the following information: uplink authorized frequency domain information and Modulation Coding Scheme (MCS) information;
if the non-scheduling radio resource is a non-scheduling downlink assignment, the DCI carries downlink assignment information of the non-scheduling radio resource, where the downlink assignment information includes at least one of the following information: frequency domain information of downlink assignment and Modulation Coding Scheme (MCS) information.
13. The method of claim 11, wherein the UE reconfiguring the scheduling-free radio resource when receiving DCI of PDCCH of a fourth specified format transmitted by the access network element comprises:
the UE keeps the time domain resource of the uplink grant or the downlink assignment configured currently unchanged, and reconfigures the uplink grant or the downlink assignment configured according to the frequency domain information and/or the modulation coding scheme indicated in the DCI of the PDCCH of the fourth specified format; or,
and starting from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the PDCCH of the fourth specified format, the UE uses the frequency domain information and/or the modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the fourth specified format.
14. A radio resource allocation apparatus for use in an access network element, comprising:
a configuration module, configured to configure scheduling-free radio resources for a user equipment UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; transmitting Downlink Control Information (DCI) of a Physical Downlink Control Channel (PDCCH) with a first designated format to instruct the UE to activate or deactivate the scheduling-free wireless resource; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI; the DCI also carries first time information, wherein the first time information is used for indicating a time interval of uplink authorization carried by the DCI relative to wireless resources for transmitting the DCI in a time domain; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
15. The apparatus of claim 14, wherein the means further comprises:
and configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
16. A radio resource allocation apparatus for use in a user equipment UE, comprising:
a receiving module, configured to receive configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free radio resources for the UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
the first processing module is used for using the scheduling-free wireless resource according to the configuration information;
a second processing module, configured to activate or deactivate the scheduling-free radio resource when downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element is received; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI; the DCI also carries first time information, wherein the first time information is used for indicating a time interval of uplink authorization carried by the DCI relative to wireless resources for transmitting the DCI in a time domain; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to radio resources that transmit the DCI.
17. The apparatus of claim 16, wherein the apparatus further comprises:
a third processing module, configured to reconfigure the scheduling-free radio resource when receiving DCI of a PDCCH of a fourth specified format sent by the access network element; wherein the DCI is scrambled using the dedicated RNTI or the common RNTI.
18. The apparatus of claim 17, wherein the third processing module comprises:
a first processing unit, configured to keep a time domain resource of a currently configured uplink grant or configured downlink assignment unchanged, and reconfigure the configured uplink grant or configured downlink assignment according to frequency domain information and/or a modulation coding scheme indicated in DCI of the PDCCH of the fourth specified format; or,
a second processing unit, configured to use, starting from a time domain resource of a first currently configured uplink grant or configured downlink assignment after receiving DCI of the PDCCH of the fourth specified format, frequency domain information and/or a modulation coding scheme of the uplink grant or downlink assignment indicated in the DCI of the fourth specified format.
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