CN108242990B - Method and device for receiving information, method for sending information and base station - Google Patents
Method and device for receiving information, method for sending information and base station Download PDFInfo
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- CN108242990B CN108242990B CN201711250894.XA CN201711250894A CN108242990B CN 108242990 B CN108242990 B CN 108242990B CN 201711250894 A CN201711250894 A CN 201711250894A CN 108242990 B CN108242990 B CN 108242990B
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- 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
Abstract
The embodiment of the application provides a method for receiving information, a method for sending information, a base station and user equipment. The method comprises the following steps: after receiving the initial resource location indication information, the UE receives new resource location indication information sent by the base station, where the resource location indication information is used to indicate a resource location for bearing downlink control information and/or data information, and then the UE receives the downlink control information and/or data information sent by the base station at the resource location indicated by the new resource location indication information. According to the information receiving method, the information sending method, the base station and the user equipment provided by the embodiment of the application, the resource position for receiving the downlink control information and/or the data information is changed and the system performance is improved by receiving the new resource position indication information sent by the base station and receiving the downlink control information and/or the data information sent by the base station at the resource position indicated by the new resource position indication information.
Description
The application is a divisional application of an invention patent application with the application number of 201210504282.X, and the invention name of 'method for receiving information, method for sending information, base station and user equipment', which is proposed on the 11 th, 30 th of 2012.
Technical Field
The embodiment of the application relates to the technical field of communication, in particular to a method and a device for receiving information, a method for sending information and a base station.
Background
In a Long Term Evolution (Long Term Evolution, hereinafter abbreviated as LTE) system, resource allocation is uniformly scheduled by a base station eNB, and a basic unit of scheduling is a transmission interval, i.e., a subframe, with a time of 1 ms. Scheduling Information of a Physical Downlink Shared Channel (PDSCH), also called Downlink Control Information (DCI), is carried on a Physical Downlink Control Channel (PDCCH), where the DCI includes resource positions of Downlink data on the PDSCH Channel, a modulation and coding scheme used by the DCI, and a User Equipment (UE) obtains the Downlink data carried on the PDSCH Channel according to the scheduling Information.
In the prior art, an extended Physical Downlink Control Channel (ePDCCH) is introduced to solve the PDCCH Channel resource capacity limitation and inter-cell interference problems, where the ePDCCH Channel is an enhancement to the PDCCH Channel, and the resource location of the ePDCCH Channel is located on a time-Frequency resource occupied by a conventional PDSCH Channel, and when a conventional PDCCH Channel exists on a carrier, for example, the conventional PDCCH Channel occupies 3 Orthogonal Frequency Division Multiplexing (OFDM), the ePDCCH Channel starts mapping from a 4 th OFDM symbol in a time domain; when the traditional PDCCH does not exist on the carrier, the ePDCCH resource mapping is started from the first OFDM symbol on the time domain, and the position of the ePDCCH resource mapping on the frequency domain is obtained through a predefined or semi-static configuration mode.
In the prior art, when a carrier has both PDCCH resources and ePDCCH resources, a UE defaults to receive downlink control information and/or data information on the PDCCH resources, and when the reception performance on the PDCCH resources is degraded, the UE can only be configured to receive the downlink control information and/or data information on the PDCCH resources with the degraded reception performance; when only the ePDCCH resource exists in the carrier, when the reception performance on a certain ePDCCH resource is deteriorated, the UE can only configure the ePDCCH resource with the deteriorated reception performance to receive the downlink control information and/or the data information, which has a low efficiency and affects the system performance.
Disclosure of Invention
The embodiment of the application provides a method and a device for receiving information, a method for sending information and a base station, so as to realize that the resource position for receiving downlink control information and/or data information can be changed, and improve the system performance.
In a first aspect, an embodiment of the present application provides a method for receiving information, including:
after receiving initial resource position indication information, receiving new resource position indication information sent by a base station, wherein the resource position indication information is used for indicating a resource position for bearing downlink control information and/or data information;
and receiving downlink control information and/or data information sent by the base station at the resource position indicated by the new resource position indication information.
In a first possible implementation manner of the first aspect, after receiving the new resource location indication information sent by the base station, and before receiving the downlink control information and/or the data information sent by the base station, the method further includes:
and sending a reception confirmation message to the base station, where the reception confirmation message is used to notify the base station of receiving the new resource location indication information, so that the base station sends downlink control information and/or data information at the resource location indicated by the new resource location indication information after receiving the reception confirmation message.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the receiving new resource location indication information sent by the base station includes:
and receiving a downlink media access control (MAC CE) signaling of a control unit of a MAC layer sent by a base station, wherein the MAC CE signaling carries the new resource position indication information.
With reference to the first possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the receiving new resource location indication information sent by the base station includes:
and receiving a high-level signaling or System Information (SI) sent by a base station, wherein the high-level signaling or the SI bears the new resource position indication information.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the sending a reception acknowledgement message to the base station includes:
and sending an MAC CE signaling to a base station, wherein the MAC CE signaling carries at least one bit, the at least one bit has a preset first selected value, and the preset first selected value is used for identifying that the new resource position indication information is correctly received.
With reference to the third possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the sending a reception acknowledgement message to the base station includes:
and sending a physical layer acknowledgement signaling to a base station, wherein the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
In a sixth possible implementation manner of the first aspect, the receiving new resource location indication information sent by the base station includes:
and receiving a physical layer signaling sent by the base station, wherein the physical layer signaling carries the new resource position indication information.
With reference to the first aspect, or the first possible implementation manner of the first aspect, or the second possible implementation manner of the first aspect, or the third possible implementation manner of the first aspect, or the fourth possible implementation manner of the first aspect, or the fifth possible implementation manner of the first aspect, or the sixth possible implementation manner of the first aspect, the new resource location indication information includes:
at least one bit, each bit corresponding to a preset resource location; and the bit corresponding to the resource position indicated by the new resource position indication information has a preset second selected value, and the preset second selected value is used for identifying that the resource position corresponding to the bit is activated.
With reference to the second possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, the receiving new resource location indication information sent by the base station includes: detecting a new resource position where downlink control information and/or data information is located, and taking the detected new resource position as a resource position indicated by the new resource position indication information;
after receiving the new resource location indication information sent by the base station, the method further includes:
obtaining a new PUCCH or PUSCH resource position indicated by the new resource position obtained by detection according to the corresponding relation between the resource position of the PUCCH or PUSCH resource and the resource position for bearing downlink control information and/or data information;
and sending the PUCCH or PUSCH resource to the base station at the new PUCCH or PUSCH resource position, so that the base station confirms that the downlink control information and/or data information is transmitted at the resource position indicated by the new resource position indication information.
With reference to the first aspect, or the first possible implementation manner of the first aspect, or the second possible implementation manner of the first aspect, or the third possible implementation manner of the first aspect, or the fourth possible implementation manner of the first aspect, or the fifth possible implementation manner of the first aspect, or the sixth possible implementation manner of the first aspect, or the seventh possible implementation manner of the first aspect, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively;
or, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are both the ePDCCH.
In a second aspect, an embodiment of the present application provides a method for sending information, including:
after initial resource position indication information is sent to User Equipment (UE), new resource position indication information is sent to the UE, and the resource position indication information is used for indicating a resource position for bearing downlink control information and/or data information;
and sending downlink control information and/or data information to the UE at the new resource position.
In a first possible implementation manner of the second aspect, after the sending the new resource location indication information to the UE and before sending the downlink control information and/or the data information to the UE, the method further includes:
and receiving a receiving confirmation message sent by the UE, wherein the receiving confirmation message is used for informing a base station that the UE correctly receives the new resource position indication information, and sending downlink control information and/or data information at a resource position indicated by the new resource position indication information according to the confirmation message.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the sending new resource location indication information to the UE includes:
and sending a downlink media access control (MAC CE) signaling to the UE, wherein the MAC CE signaling carries the new resource position indication information.
With reference to the first possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the sending new resource location indication information to the UE includes:
and sending System Information (SI) or high-level signaling to the UE, wherein the high-level signaling or the SI bears new resource position indication information.
With reference to the third possible implementation manner of the second aspect, in a fourth possible implementation manner of the second aspect, the receiving the reception acknowledgement message sent by the UE includes:
and receiving an MAC CE signaling sent by the UE, wherein the MAC CE signaling carries at least one bit, the at least one bit has a preset first selected value, and the preset first selected value is used for identifying that the new resource position indication information is correctly received.
With reference to the third possible implementation manner of the second aspect, in a fifth possible implementation manner of the second aspect, the receiving the reception acknowledgement message sent by the UE includes:
and receiving a physical layer acknowledgement signaling, wherein the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
In a sixth possible implementation manner of the second aspect, the sending new resource location indication information to the UE includes:
and sending a physical layer signaling to a base station, wherein the physical layer signaling carries the new resource position indication information. And the physical layer signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
With reference to the second aspect, or the first possible implementation manner of the second aspect, or the second possible implementation manner of the second aspect, or the third possible implementation manner of the second aspect, or the fourth possible implementation manner of the second aspect, or the fifth possible implementation manner of the second aspect, or the sixth possible implementation manner of the second aspect, the new resource location indication information includes:
at least one bit, each bit corresponding to a preset resource location; and the bit corresponding to the resource position indicated by the new resource position indication information has a preset second selected value, and the preset second selected value is used for identifying that the resource position corresponding to the bit is activated.
With reference to the second possible implementation manner of the second aspect, in a seventh possible implementation manner of the second aspect, the sending new resource location indication information to the UE includes: sending downlink control information and/or data information to the UE at a new resource position indicated by the new resource position indication information, so that the UE detects the new resource position where the downlink control information and/or data information is located as the resource position indicated by the new resource position indication information;
after the sending of the new resource location indication information to the UE and before the sending of the downlink control information and/or the data information to the UE at the new resource location, the method further includes:
and receiving the PUCCH or PUSCH resource sent by the UE, and confirming that the UE obtains the resource position indicated by the new resource position indication information according to the corresponding relation between the resource position of the PUCCH or PUSCH resource and the resource position for bearing the downlink control information and/or the data information.
With reference to the second aspect, or the first possible implementation manner of the second aspect, or the second possible implementation manner of the second aspect, or the third possible implementation manner of the second aspect, or the fourth possible implementation manner of the second aspect, or the fifth possible implementation manner of the second aspect, or the sixth possible implementation manner of the second aspect, or the seventh possible implementation manner of the second aspect, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively;
or, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are both the ePDCCH.
In a third aspect, an embodiment of the present application provides a user equipment, including:
a first receiving module, configured to receive new resource location indication information sent by a base station after receiving initial resource location indication information, where the resource location indication information is used to indicate a resource location for carrying downlink control information and/or data information;
and a second receiving module, configured to receive, at the resource location indicated by the new resource location indication information, the downlink control information and/or the data information sent by the base station.
In a first possible implementation manner of the third aspect, the user equipment further includes: a sending module, configured to send a reception acknowledgement message to a base station after receiving new resource location indication information sent by the base station and before receiving downlink control information and/or data information sent by the base station, where the reception acknowledgement message is used to notify the base station of receiving the new resource location indication information, so that the base station sends the downlink control information and/or data information at a resource location indicated by the new resource location indication information after receiving the reception acknowledgement message.
With reference to the first possible implementation manner of the third aspect, in a second possible implementation manner of the third aspect, the first receiving module is specifically configured to receive a downlink media access control layer control element MAC CE signaling sent by a base station, where the MAC CE signaling carries the new resource location indication information.
With reference to the first possible implementation manner of the third aspect, in a third possible implementation manner of the third aspect, the first receiving module is further specifically configured to receive a higher layer signaling or system information SI sent by a base station, where the higher layer signaling or SI carries the new resource location indication information.
With reference to the third possible implementation manner of the third aspect, in a fourth possible implementation manner of the third aspect, the sending module is specifically configured to send a MAC CE signaling to the base station, where the MAC CE signaling carries at least one bit, and the at least one bit has a preset first selected value, where the preset first selected value is used to identify that the new resource location indication information is correctly received.
With reference to the third possible implementation manner of the third aspect, in a fifth possible implementation manner of the third aspect, the sending module is further specifically configured to send a physical layer acknowledgement signaling to the base station, where the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
In a sixth possible implementation manner of the third aspect, the first receiving module is further specifically configured to receive a physical layer signaling sent by a base station, where the physical layer signaling carries the new resource location indication information.
With reference to the third aspect, or the first possible implementation manner of the third aspect, or the second possible implementation manner of the third aspect, or the third possible implementation manner of the third aspect, or the fourth possible implementation manner of the third aspect, or the fifth possible implementation manner of the third aspect, or the sixth possible implementation manner of the third aspect, the new resource location indication information includes:
at least one bit, each bit corresponding to a preset resource location; and the bit corresponding to the resource position indicated by the new resource position indication information has a preset second selected value, and the preset second selected value is used for identifying that the resource position corresponding to the bit is activated.
In a seventh possible implementation manner of the third aspect, the first receiving module is specifically configured to detect a new resource location where downlink control information and/or data information is located, and use the detected new resource location as a resource location indicated by the new resource location indication information;
the user equipment further comprises a first processing module, configured to, after receiving new resource location indication information sent by the base station, obtain, according to a correspondence between a resource location where a PUCCH or PUSCH resource is located and a resource location for carrying downlink control information and/or data information, a new PUCCH or PUSCH resource location indicated by the new resource location obtained through detection; and sending the PUCCH or PUSCH resource to the base station at the new PUCCH or PUSCH resource position, so that the base station confirms that the downlink control information and/or data information is transmitted at the resource position indicated by the new resource position indication information.
With reference to the third aspect, or the first possible implementation manner of the third aspect, or the second possible implementation manner of the third aspect, or the third possible implementation manner of the third aspect, or the fourth possible implementation manner of the third aspect, or the fifth possible implementation manner of the third aspect, or the sixth possible implementation manner of the third aspect, or the seventh possible implementation manner of the third aspect, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively;
or, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are both the ePDCCH.
In a fourth aspect, an embodiment of the present application provides a base station, including:
a first sending module, configured to send new resource location indication information to user equipment UE after sending initial resource location indication information to the UE, where the resource location indication information is used to indicate a resource location for bearing downlink control information and/or data information;
and a second sending module, configured to send downlink control information and/or data information to the UE in the new resource location.
In a first possible implementation manner of the fourth aspect, the base station further includes a receiving module, configured to receive a reception confirmation message sent by the UE after sending new resource location indication information to the UE and before sending downlink control information and/or data information to the UE, where the reception confirmation message is used to notify the base station that the UE correctly receives the new resource location indication information, and send the downlink control information and/or data information at a resource location indicated by the new resource location indication information according to the confirmation message.
With reference to the first possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the first sending module is specifically configured to send a downlink media access control layer control element MAC CE signaling to the UE, where the MAC CE signaling carries the new resource location indication information.
With reference to the first possible implementation manner of the fourth aspect, in a third possible implementation manner of the fourth aspect, the first sending module is specifically configured to send system information SI or higher layer signaling to the UE, where the higher layer signaling or SI carries new resource location indication information.
With reference to the third possible implementation manner of the fourth aspect, in a fourth possible implementation manner of the fourth aspect, the receiving module is specifically configured to receive a MAC CE signaling sent by the UE, where the MAC CE signaling carries at least one bit, and the at least one bit has a preset first selected value, where the preset first selected value is used to identify that the new resource location indication information is correctly received.
With reference to the third possible implementation manner of the fourth aspect, in a fifth possible implementation manner of the fourth aspect, the receiving module is specifically configured to receive a physical layer acknowledgement signaling, where the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
In a sixth possible implementation manner of the fourth aspect, the first sending module is specifically configured to send a physical layer signaling to a base station, where the physical layer signaling carries the new resource location indication information. And the physical layer signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, or the second possible implementation manner of the fourth aspect, or the third possible implementation manner of the fourth aspect, or the fourth possible implementation manner of the fourth aspect, or the fifth possible implementation manner of the fourth aspect, or the sixth possible implementation manner of the fourth aspect, the new resource location indication information includes:
at least one bit, each bit corresponding to a preset resource location; and the bit corresponding to the resource position indicated by the new resource position indication information has a preset second selected value, and the preset second selected value is used for identifying that the resource position corresponding to the bit is activated.
In a seventh possible implementation manner of the fourth aspect, the first sending module is specifically configured to send downlink control information and/or data information to the UE at a new resource location indicated by the new resource location indication information, so that the UE detects a new resource location where the downlink control information and/or data information is located as the resource location indicated by the new resource location indication information;
the base station further includes a first processing module, configured to receive a PUCCH or PUSCH resource sent by the UE after sending new resource location indication information to the UE and before sending downlink control information and/or data information to the UE at the new resource location, and confirm that the UE obtains a resource location indicated by the new resource location indication information according to a correspondence between a resource location where the PUCCH or PUSCH resource is located and a resource location used for carrying the downlink control information and/or the data information.
With reference to the fourth aspect or the first possible implementation manner of the fourth aspect or the second possible implementation manner of the fourth aspect or the third possible implementation manner of the fourth aspect or the fourth possible implementation manner of the fourth aspect or the fifth possible implementation manner of the fourth aspect or the sixth possible implementation manner of the fourth aspect or the seventh possible implementation manner of the fourth aspect, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively;
or, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are both the ePDCCH.
According to the information receiving method, the information sending method, the base station and the user equipment provided by the embodiment of the application, after the UE receives the initial resource position indication information, the UE receives new resource position indication information sent by the base station, the resource position indication information is used for indicating a resource position for bearing downlink control information and/or data information, and then the UE receives the downlink control information and/or the data information sent by the base station at the resource position indicated by the new resource position indication information. The resource position for receiving the downlink control information and/or the data information can be changed, and the system performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flowchart of a first embodiment of a method for receiving information according to the present application;
FIG. 2 is a flowchart of a first embodiment of a method for sending information according to the present application;
fig. 3 is a schematic flowchart of a first embodiment of a method for receiving information and a method for sending information according to the present application;
fig. 4 is a schematic flowchart of a second embodiment of a method for receiving information and a method for sending information according to the present application;
fig. 5 is a schematic flowchart of a third embodiment of a method for receiving information and a method for sending information according to the present application;
fig. 6 is a schematic flowchart of a fourth embodiment of a method for receiving information and a method for sending information according to the present application;
fig. 7 is a schematic flowchart of a fifth embodiment of a method for receiving information and a method for sending information according to the present application;
fig. 8 is a schematic structural diagram of a first embodiment of a user equipment in the present application;
fig. 9 is a schematic structural diagram of a second embodiment of a user equipment in the present application;
fig. 10 is a schematic structural diagram of a third embodiment of a user equipment in the present application;
fig. 11 is a schematic structural diagram of a base station according to a first embodiment of the present application;
fig. 12 is a schematic structural diagram of a second embodiment of a base station of the present application;
fig. 13 is a schematic structural diagram of a base station according to a third embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flowchart of a first embodiment of a method for receiving information according to the present application, and as shown in fig. 1, the method according to the present embodiment may include:
And 102, receiving downlink control information and/or data information sent by the base station at the resource position indicated by the new resource position indication information.
Specifically, the UE receiving the initial resource location indication information may include: the UE receives Radio Resource Control (RRC) dedicated signaling or broadcast system information (system information, SI), where the RRC dedicated signaling or SI includes one or more possible Resource configurations, and the Resource configurations may be Resource positions and/or Resource mapping manners of an ePDCCH on a PDSCH or Resource positions of a UE with narrowband capability working on a PDSCH. As an implementable manner, after receiving the new resource location indication information sent by the base station, and before receiving the downlink control information and/or the data information sent by the base station, the UE further includes: and the UE sends a receiving confirmation message to the base station, wherein the receiving confirmation message is used for informing the base station of receiving the new resource position indication information, so that the base station sends the downlink control information and/or the data information at the resource position indicated by the new resource position indication information after receiving the receiving confirmation message.
The UE receives new resource location indication information sent by the base station, and there are three implementable ways:
firstly, the UE receives a Media Access Control-Control Element (MAC CE) of a downlink Media Access Control layer Control unit sent by the base station, where the MAC CE signaling carries new resource location indication information.
Secondly, the UE receives a high-level signaling or system information SI sent by the base station, and the high-level signaling or SI bears new resource position indication information. In this embodiment, there are two possible ways for the UE to send the reception acknowledgement message to the base station:
1. and the UE sends MAC CE signaling to the base station, wherein the MAC CE signaling carries at least one bit, the at least one bit has a preset first selected value, and the preset first selected value is used for identifying that the new resource position indication information is correctly received.
2. And the UE sends a physical layer acknowledgement signaling to the base station, wherein the physical layer acknowledgement signaling is borne on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
And thirdly, the UE receives a physical layer signaling sent by the base station, and the physical layer signaling carries new resource position indication information.
In the method of the foregoing embodiment, the new resource location indication information includes at least one bit, each bit corresponds to a preset resource location, the bit corresponding to the resource location indicated by the new resource location indication information has a preset second selected value, and the preset second selected value is used to identify that the resource location corresponding to the bit is activated.
As another implementable manner, the UE receives new resource location indication information sent by the base station, specifically: compared with the above embodiment, the UE detects the new resource location where the downlink control information and/or the data information is located, and uses the detected new resource location as the resource location indicated by the new resource location indication information, where the new resource location indication information sent by the receiving base station is actually the new resource location detected by the UE.
After the UE detects a new resource position, the UE obtains the new PUCCH or PUSCH resource position indicated by the detected new resource position according to the corresponding relation between the resource position where the PUCCH or PUSCH resource is located and the resource position used for bearing the downlink control information and/or the data information, and sends the PUCCH or PUSCH resource to the base station at the new PUCCH or PUSCH resource position, so that the base station confirms that the downlink control information and/or the data information is transmitted at the resource position indicated by the new resource position indication information, and the base station can transmit the downlink control information and/or the data information at the new resource position later, and correspondingly, the UE receives the downlink control information and/or the data information at the new resource position.
In the method of the embodiment, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively, or both the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are epdcchs.
In the method for receiving information provided in this embodiment, after receiving the initial resource location indication information, the UE receives new resource location indication information sent by the base station, where the resource location indication information is used to indicate a resource location for carrying downlink control information and/or data information, and then the UE receives the downlink control information and/or data information sent by the base station at the resource location indicated by the new resource location indication information. The resource position for receiving the downlink control information and/or the data information can be changed, and the system performance is improved.
Fig. 2 is a flowchart of a first embodiment of a method for sending information according to the present application, and as shown in fig. 2, the method according to the present embodiment may include:
Specifically, the initial resource location indication information sent by the base station to the UE may include: the base station sends RRC dedicated signaling or broadcasted system information SI to the UE, where the RRC dedicated signaling or SI includes one or more possible resource configurations, and the resource configurations may be resource locations and/or resource mapping manners of an ePDCCH channel on the PDSCH, or resource locations where the narrowband-capable UE operates on the PDSCH. As an implementable manner, after the base station sends the new resource location indication information to the UE, before sending the downlink control information and/or the data information to the UE, the method further includes:
and receiving a receiving confirmation message sent by the UE, wherein the receiving confirmation message is used for informing the base station UE of correctly receiving the new resource position indication information, and sending downlink control information and/or data information at the resource position indicated by the new resource position indication information according to the confirmation message.
The base station sends new resource location indication information to the UE, and there are three implementable ways:
firstly, a base station sends a downlink media access control layer control unit MAC CE signaling to UE, and the MAC CE signaling carries new resource position indication information.
Secondly, the base station sends high-level signaling or system information SI to the UE, and the high-level signaling or SI bears new resource position indication information. There are two implementable ways for the base station to receive the reception acknowledgement message sent by the UE:
1. the base station receives MAC CE signaling sent by UE, the MAC CE signaling carries at least one bit, the at least one bit has a preset first selected value, and the preset first selected value is used for identifying that the new resource position indication information is correctly received.
2. And the base station receives a physical layer acknowledgement signaling, and the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
Thirdly, the base station sends a physical layer signaling to the UE, and the physical layer signaling carries new resource position indication information. The physical layer signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
The new resource location indication information in the method in the above embodiment includes at least one bit, where each bit corresponds to a preset resource location; the bits corresponding to the resource locations indicated by the new resource location indication information have preset second selected values, and the preset second selected values are used for identifying that the resource locations corresponding to the bits are activated.
As another implementable manner, the sending, by the base station, the new resource location indication information to the UE specifically includes: sending downlink control information and/or data information to the UE at the new resource position indicated by the new resource position indication information, so that the UE detects the new resource position where the downlink control information and/or data information is located as the resource position indicated by the new resource position indication information;
after sending the new resource position indication information to the UE, the base station receives a PUCCH or PUSCH resource sent by the UE before sending downlink control information and/or data information to the UE at the new resource position, and confirms that the UE obtains the resource position indicated by the new resource position indication information according to a correspondence between the resource position where the PUCCH or PUSCH resource is located and the resource position used for carrying the downlink control information and/or data information.
In the method in the above embodiment, the resource position corresponding to the initial resource position indication information and the resource position indicated by the new resource position indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively, or both the resource position corresponding to the initial resource position indication information and the resource position indicated by the new resource position indication information are epdcchs.
In the method for sending information provided in this embodiment, after sending initial resource location indication information to the UE, the base station sends new resource location indication information to the UE, where the resource location indication information is used to indicate a resource location for carrying downlink control information and/or data information, and then the base station sends the downlink control information and/or data information to the UE at the new resource location. The resource position for receiving the downlink control information and/or the data information can be changed, and the system performance is improved.
The following describes in detail the technical solution of the embodiment of the method shown in fig. 1 and 2, using several specific embodiments.
Fig. 3 is a schematic flowchart of a first embodiment of a method for receiving information and a method for sending information according to an embodiment of the present application, and as shown in fig. 3, the method of the present embodiment includes:
when the RRC dedicated signaling or the SI only includes one resource configuration, the MAC CE includes one bit for indicating to activate or deactivate the resource configuration of the ePDCCH, where activation refers to the UE shifting from the PDCCH resource location to the ePDCCH resource location to receive downlink control information and/or data information, and deactivation refers to the UE shifting from the ePDCCH resource location to the PDCCH resource location to receive downlink control information and/or data information.
When the RRC dedicated signaling or the SI includes more than 2 resource configurations, the resource configurations of more than 2 resource configurations are coded into an index, the MAC CE includes a bit index, and when the bit index included in the MAC CE changes, the resource configuration corresponding to the bit index included in the current MAC CE becomes effective, that is, is activated, and the resource configuration corresponding to the previous bit index becomes invalid, that is, deactivated. For example: the MAC CE includes 3 bits for indicating a resource configuration index,
000: resource configuration representing operation using PDCCH resource configuration or one fixed-location narrowband capable UE;
001: indicating a resource configuration for operating with a first ePDCCH resource configuration or a first configurable narrowband capability UE;
010: indicating a resource configuration for operating with a second ePDCCH resource configuration or a second configurable narrowband capable UE.
In this embodiment, the UE may feed back to the eNB confirmation message to confirm that the new resource location indication information has been received, so that the base station can definitely know that the UE has received the new resource location indication information, and then receive downlink control information and/or data information at the new resource location, so that a fuzzy time period does not occur, and a problem of data reception and transmission errors does not occur, thereby improving system performance.
Fig. 4 is a schematic flowchart of a second embodiment of a method for receiving information and a method for sending information according to an embodiment of the present application, and as shown in fig. 4, the method of the present embodiment includes:
For example, the preset selected value is 1, which indicates that the new resource location indication information is correctly received. The MAC CE signaling contains a bit to confirm to the eNB that the UE has correctly received the new resource location indication information carried in the higher layer signaling or the SI. Correspondingly, the base station receives the MAC CE signaling, when the eNB correctly receives the MAC CE signaling which is sent by the UE and contains the confirmation message, the MAC CE signaling containing the confirmation message is borne on a PUSCH channel, and after the eNB correctly demodulates the PUSCH, the eNB sends the confirmation message of whether the PUSCH is correctly demodulated or not on the PHICH channel.
In this embodiment, the UE sends the MAC CE signaling to the base station, and confirms to the base station that the UE has received the new resource location indication information, so that the base station can definitely know that the UE has received the new resource location indication information, and then the base station sends the downlink control information and/or the data information at the resource location indicated by the new resource location indication information, and accordingly, the UE receives the downlink control information and/or the data information at the new resource location, so that a fuzzy time period does not occur, and the problem of errors in data reception and transmission does not occur, thereby improving system performance.
Fig. 5 is a schematic flowchart of a third embodiment of a method for receiving information and a method for sending information provided in the embodiment of the present application, and as shown in fig. 5, the method of the present embodiment includes:
In this embodiment, the UE sends a physical layer acknowledgement signaling to the base station, and confirms to the base station that the UE has received the new resource location indication information, so that the base station can definitely know that the UE has received the new resource location indication information, and then the base station sends downlink control information and/or data information at the resource location indicated by the new resource location indication information, and accordingly, the UE receives the downlink control information and/or data information at the new resource location, so that a fuzzy time period does not occur, and a problem of data reception and transmission errors does not occur, and system performance is improved.
Fig. 6 is a schematic flowchart of a fourth embodiment of a method for receiving information and a method for sending information provided in the embodiment of the present application, and as shown in fig. 6, the method of the present embodiment includes:
The physical layer signaling may be included in the downlink control information and/or the data information, or may be carried on a dedicated downlink physical layer channel, where the physical layer signaling includes a bit for indicating to transfer from the ePDCCH to the PDCCH or from the PDCCH to the ePDCCH, and receive the downlink DCI. Specifically, if the current UE is working on the PDCCH to receive the DCI, at this time, the downlink control information and/or the data information includes a bit, and when the bit is 1, it indicates that a position for receiving the downlink control information and/or the data information needs to be changed, that is, the UE transfers from the currently working PDCCH to the ePDCCH to receive the downlink control information and/or the data information. The physical layer signaling may further include more than 2 bits, the more than 2 bits are coded into an index, the physical layer signaling includes a bit index, and when the bit index included in the physical layer signaling changes, the resource location corresponding to the bit index included in the current physical layer signaling is valid, that is, activated, and the resource location corresponding to the previous bit index is invalid, that is, deactivated. For example, when the physical layer signaling includes 3 bits for indicating the resource location index,
000: resource configuration representing operation using PDCCH resource configuration or one fixed-location narrowband capable UE;
001: indicating a resource configuration for operating with a first ePDCCH resource configuration or a first configurable narrowband capability UE;
010: indicating a resource configuration for operating with a second ePDCCH resource configuration or a second configurable narrowband capable UE.
In this embodiment, the base station sends the physical layer signaling to the UE, and does not need the UE to send a confirmation message, which can ensure that the base station confirms that the UE receives the new resource location indication information, and after a period of time, the base station definitely knows that the UE has received the new resource location indication information, and then the base station sends the downlink control information and/or the data information at the resource location indicated by the new resource location indication information, and accordingly, the UE receives the downlink control information and/or the data information at the new resource location, so that a fuzzy time period does not occur, and the problem of data receiving and sending errors does not occur, and the system performance is improved.
Fig. 7 is a schematic flowchart of a fifth embodiment of a method for receiving information and a method for sending information according to an embodiment of the present application, and as shown in fig. 7, the method according to the embodiment includes:
For example, an acknowledgement window is defined, and in an acknowledgement subframe in the acknowledgement window, downlink control information and/or data information will be simultaneously transmitted on an ePDCCH and a PDCCH or two epdcchs, but the channel formats simultaneously transmitted on the two channels need to be limited, so that the number of blind detections of the UE does not exceed the maximum number of blind detections required when detecting on the same channel. The ack window refers to a time period including a certain number of radio frames, the ack subframe refers to some subframes in the ack window, the determination of the ack window may be made of a starting point and a Length, where the starting point is, for example, SFN mod 2 ═ 0 and Length ═ 5, that is, the ack window is a radio frame whose starting point is SFN corresponding to an even number, and the Length of the window is 5 radio frames, and the ack subframe may be defined as a subframe corresponding to an even subframe number in the ack window.
Correspondingly, the UE detects the downlink control information and/or the data information at the new resource position, determines the corresponding relation between the resource position of the new uplink PUCCH or PUSCH resource and the resource position for bearing the downlink control information and/or the data information according to the resource position of the downlink control information and/or the data information detected at the new resource position, and receives the downlink control information and/or the data information at the new resource position.
The method for receiving information and the method for sending information provided by the embodiment realize that the resource positions for receiving and sending the downlink control information and/or the data information can be changed, and the system performance is improved.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Fig. 8 is a schematic structural diagram of a first embodiment of a user equipment in the present application, and as shown in fig. 8, the user equipment in this embodiment may include: a first receiving module 11 and a second receiving module 12, wherein,
the first receiving module 11 is configured to receive new resource location indication information sent by the base station after receiving the initial resource location indication information, where the resource location indication information is used to indicate a resource location for carrying downlink control information and/or data information, and the second receiving module 12 is configured to receive the downlink control information and/or data information sent by the base station at the resource location indicated by the new resource location indication information.
Fig. 9 is a schematic structural diagram of a second embodiment of a user equipment in the present application, and as shown in fig. 9, the user equipment in this embodiment may further include, on the basis of the structure of the user equipment shown in fig. 8: a sending module 13, where the sending module 13 is configured to send a reception acknowledgement message to the base station after receiving the new resource location indication information sent by the base station and before receiving the downlink control information and/or the data information sent by the base station, where the reception acknowledgement message is used to notify the base station of receiving the new resource location indication information, so that the base station sends the downlink control information and/or the data information at the resource location indicated by the new resource location indication information after receiving the reception acknowledgement message.
The first receiving module 11 is specifically configured to receive a downlink MAC control layer control element MAC CE signaling sent by a base station, where the MAC CE signaling carries new resource location indication information.
The first receiving module 11 is further specifically configured to receive a high layer signaling or system information SI sent by the base station, where the high layer signaling or SI carries new resource location indication information. The sending module 13 is specifically configured to send an MAC CE signaling to the base station, where the MAC CE signaling carries at least one bit, the at least one bit has a preset first selected value, and the preset first selected value is used to identify that the new resource location indication information is correctly received.
The sending module 13 is further specifically configured to send a physical layer acknowledgement signaling to the base station, where the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
The first receiving module 11 is specifically configured to receive a physical layer signaling sent by a base station, where the physical layer signaling carries new resource location indication information.
The new resource location indication information in the above embodiment includes: at least one bit, each bit corresponding to a preset resource location; the bits corresponding to the resource locations indicated by the new resource location indication information have preset second selected values, and the preset second selected values are used for identifying that the resource locations corresponding to the bits are activated.
Fig. 10 is a schematic structural diagram of a third embodiment of the user equipment in the present application, and as shown in fig. 10, the user equipment in this embodiment may further include, on the basis of the structure of the user equipment shown in fig. 9: the first processing module 14 is configured to, after receiving new resource position indication information sent by the base station, obtain a new PUCCH or PUSCH resource position indicated by the detected new resource position according to a correspondence between a resource position where a PUCCH or PUSCH resource is located and a resource position used for carrying downlink control information and/or data information; and transmitting the PUCCH or PUSCH resource to the base station at the new PUCCH or PUSCH resource position so that the base station confirms that the downlink control information and/or the data information is transmitted at the resource position indicated by the new resource position indication information.
The first receiving module 11 is specifically configured to detect a new resource location where the downlink control information and/or the data information is located, and use the detected new resource location as the resource location indicated by the new resource location indication information.
In the above embodiment, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively, or both the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are epdcchs.
The user equipment of the above embodiment may be configured to execute the technical solution of the method embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 11 is a schematic structural diagram of a base station according to a first embodiment of the present application, and as shown in fig. 11, the base station according to the present embodiment may include: a first sending module 21 and a second sending module 22, where the first sending module 21 is configured to send new resource location indication information to a user equipment UE after sending initial resource location indication information to the UE, the resource location indication information is used to indicate a resource location for carrying downlink control information and/or data information, and the second sending module 22 is configured to send the downlink control information and/or data information to the UE at the new resource location.
Fig. 12 is a schematic structural diagram of a second embodiment of a base station in the present application, as shown in fig. 12, the base station in this embodiment may further include a receiving module 23, based on the base station structure shown in fig. 11, where the receiving module 23 is configured to receive a reception confirmation message sent by the UE after sending new resource location indication information to the UE and before sending downlink control information and/or data information to the UE, where the reception confirmation message is used to notify the base station that the UE correctly receives the new resource location indication information, and send the downlink control information and/or data information at a resource location indicated by the new resource location indication information according to the confirmation message. The first sending module 21 is specifically configured to send a downlink MAC control element MAC CE signaling to the UE, where the MAC CE signaling carries new resource location indication information.
The first sending module 21 is further specifically configured to send system information SI or a higher layer signaling to the UE, where the higher layer signaling or the SI carries new resource location indication information. The receiving module 23 is specifically configured to receive an MAC CE signaling sent by the UE, where the MAC CE signaling carries at least one bit, and the at least one bit has a preset first selected value, where the preset first selected value is used to identify that the new resource location indication information is correctly received.
The receiving module 23 is further specifically configured to receive a physical layer acknowledgement signaling, where the physical layer acknowledgement signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel.
The first sending module 21 is specifically configured to send a physical layer signaling to the base station, where the physical layer signaling carries new resource location indication information. The physical layer signaling is carried on a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH or a physical layer uplink channel. The new resource position indication information comprises at least one bit, and each bit corresponds to a preset resource position; the bits corresponding to the resource locations indicated by the new resource location indication information have preset second selected values, and the preset second selected values are used for identifying that the resource locations corresponding to the bits are activated.
Fig. 13 is a schematic structural diagram of a third embodiment of a base station in the present application, as shown in fig. 13, the base station in this embodiment may further include a first processing module 24 on the basis of the base station structure shown in fig. 11, where the first processing module 24 is configured to receive a PUCCH or PUSCH resource sent by the UE after sending new resource position indication information to the UE and before sending downlink control information and/or data information to the UE at a new resource position, and confirm that the UE obtains a resource position indicated by the new resource position indication information according to a corresponding relationship between a resource position where the PUCCH or PUSCH resource is located and a resource position used for carrying the downlink control information and/or data information.
The first sending module 21 is specifically configured to send, to the UE, the downlink control information and/or the data information at the new resource location indicated by the new resource location indication information, so that the UE detects the new resource location where the downlink control information and/or the data information is located as the resource location indicated by the new resource location indication information.
In the above embodiment, the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are a physical downlink control channel PDCCH and an extended physical downlink control channel ePDCCH, respectively, or both the resource location corresponding to the initial resource location indication information and the resource location indicated by the new resource location indication information are epdcchs.
The base station of the foregoing embodiment may be configured to execute the technical solution of the method embodiment shown in fig. 2, and the implementation principle and the technical effect are similar, which are not described herein again.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (12)
1. A method of receiving information, comprising:
after receiving first indication information from a base station, receiving second indication information from the base station, where the first indication information is used to indicate a resource configuration capable of carrying downlink control information and/or data information, and the second indication information includes a resource configuration index value indicating an effective resource configuration in the resource configuration capable of carrying downlink control information and/or data information; each resource allocation index value corresponds to one resource allocation capable of bearing downlink control information and/or data information;
determining that the resource allocation corresponding to the resource allocation index value is effective according to the resource allocation index value;
and receiving downlink control information and/or data information sent by the base station at the resource position corresponding to the effective resource configuration.
2. The method of claim 1,
the receiving of the first indication information from the base station includes:
receiving a radio resource control signaling from the base station, wherein the radio resource control signaling carries the first indication information;
and/or, the receiving the second indication information from the base station includes:
and receiving physical layer signaling from the base station, wherein the physical layer signaling carries the second indication information.
3. The method according to claim 1 or 2, wherein the method is adapted for a narrow band capable user equipment, UE.
4. A method for transmitting information, comprising:
after first indication information is sent to User Equipment (UE), second indication information is sent to the UE, the first indication information is used for indicating resource configuration capable of bearing downlink control information and/or data information, the second indication information comprises a resource configuration index value, and the resource configuration index value indicates effective resource configuration in the resource configuration capable of bearing the downlink control information and/or the data information; the resource allocation corresponding to the resource allocation index value takes effect, and each resource allocation index value corresponds to one resource allocation capable of bearing downlink control information and/or data information;
and sending downlink control information and/or data information to the UE at the resource position corresponding to the effective resource configuration.
5. The method of claim 4, wherein the sending the first indication information to the UE comprises:
sending a radio resource control signaling to the UE, wherein the radio resource control signaling carries the first indication information;
and/or, the sending of the second indication information to the UE includes:
and sending a physical layer signaling to the UE, wherein the physical layer signaling carries the second indication information.
6. The method of claim 4 or 5, wherein the UE is a narrowband capable UE.
7. An apparatus for receiving information, comprising:
means for receiving first indication information from a base station;
means for receiving second indication information from a base station after receiving first indication information from the base station; the first indication information is used for indicating resource configuration capable of bearing downlink control information and/or data information, the second indication information includes a resource configuration index value, the resource configuration index value indicates an effective resource configuration in the resource configuration capable of bearing the downlink control information and/or the data information, and each resource configuration index value corresponds to one resource configuration capable of bearing the downlink control information and/or the data information;
a module for determining that the resource configuration corresponding to the resource configuration index value takes effect according to the resource configuration index value; and
and a module configured to receive downlink control information and/or data information sent by the base station at a resource location corresponding to the valid resource configuration.
8. The apparatus of claim 7, wherein the means for receiving the first indication information from the base station is: a module for receiving a radio resource control signaling from the base station, wherein the radio resource control signaling carries the first indication information;
and/or the module for receiving the second indication information from the base station is: a module for receiving a physical layer signaling from the base station, wherein the physical layer signaling carries the second indication information.
9. The apparatus of claim 7 or 8, wherein the apparatus for receiving signals is a narrowband capable User Equipment (UE).
10. A base station, comprising:
means for transmitting first indication information to a User Equipment (UE);
a module for sending second indication information to the UE after sending the first indication information to the UE; the first indication information is used for indicating resource configuration capable of bearing downlink control information and/or data information, the second indication information includes a resource configuration index value, and the resource configuration index value indicates an effective resource configuration in the resource configuration capable of bearing the downlink control information and/or the data information; the resource configuration corresponding to the resource configuration index value takes effect, and each resource configuration index value corresponds to one resource configuration capable of bearing downlink control information and/or data information;
and sending downlink control information and/or data information to the UE at the resource position corresponding to the effective resource configuration.
11. The base station of claim 10, wherein the means for sending the first indication information to the UE is: a module for sending a radio resource control signaling to the UE, wherein the radio resource control signaling carries the first indication information;
and/or the module for sending the second indication information to the UE is: and a module for sending a physical layer signaling to the UE, wherein the physical layer signaling carries the second indication information.
12. A readable storage medium comprising, in combination,
the readable storage medium having stored thereon a computer program;
the computer program, when executed by a processor, implements a method of receiving information as claimed in any one of claims 1-3.
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- 2012-11-30 CN CN201711250894.XA patent/CN108242990B/en active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110337794A (en) * | 2019-05-28 | 2019-10-15 | 北京小米移动软件有限公司 | Detection method, device, equipment and the storage medium of control signaling |
| CN110337794B (en) * | 2019-05-28 | 2022-04-22 | 北京小米移动软件有限公司 | Detection method, device and equipment of control signaling and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103857041B (en) | 2017-12-05 |
| CN108242990A (en) | 2018-07-03 |
| WO2014082454A1 (en) | 2014-06-05 |
| CN103857041A (en) | 2014-06-11 |
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