CN110943812A - Method and network unit for reporting channel state information - Google Patents

Method and network unit for reporting channel state information Download PDF

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Publication number
CN110943812A
CN110943812A CN201811107722.1A CN201811107722A CN110943812A CN 110943812 A CN110943812 A CN 110943812A CN 201811107722 A CN201811107722 A CN 201811107722A CN 110943812 A CN110943812 A CN 110943812A
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China
Prior art keywords
channel state
state information
reporting
signal
pucch resource
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CN201811107722.1A
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CN110943812B (en
Inventor
杨拓
侯雪颖
胡丽洁
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention provides a method and a network unit for reporting channel state information, and belongs to the technical field of wireless communication. The method for reporting the channel state information is applied to network side equipment, and comprises the following steps: transmitting a first signal; the user equipment in a predefined and/or higher layer signaling configuration and/or a first signal indicates the PUCCH resource used by the user equipment in the discontinuous reception mode for reporting the channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period. The technical scheme of the invention can trigger the UE in the connection state with the DRX on to report the channel state information.

Description

Method and network unit for reporting channel state information
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method and a network unit for reporting channel state information.
Background
In NR (new air interface), CSI (channel state information) reporting may have three reporting types, namely periodic, semi-periodic, and aperiodic. Wherein, the periodic CSI is reported on PUCCH (physical uplink control channel) resources through high-level signaling configuration and triggering; the semi-persistent CSI reporting can be configured and triggered by high-level signaling, and reported on PUCCH (physical uplink shared channel) resources, or triggered by DCI (downlink control information) and reported on PUSCH (physical uplink shared channel) resources; and reporting the aperiodic CSI on PUCCH resources through high-level signaling configuration and DCI triggering. For each CSI reporting type, the high-level signaling configures each corresponding measurement signal, measurement content and reporting resource for the UE.
If the CSI is reported on PUCCH, the higher layer signaling configures PUCCH resources for each report, including PUCCH format, time domain period and offset value, frequency domain resources, code domain resources, etc. If CSI is reported on the PUSCH, the DCI can indicate the time-frequency domain resources used by the PUSCH and the like.
For RRC (radio resource control) connected UE, in addition to configuring a PUCCH resource corresponding to each CSI report, the base station may configure UCI (uplink control information) for feedback, including SR (uplink scheduling request), HARQ-ACK (hybrid automatic repeat request acknowledgement), and PUCCH resources of CSI, for the UE. The higher layer signaling may configure the UE with a maximum of 4 PUCCH resource sets, including multiple PUCCH resources in each resource set. The high layer signaling configures the frequency domain resource position, time domain symbol length, PUCCH format, cyclic shift, etc. of each PUCCH resource. If the UE needs to transmit NUCIAnd the UCI information of the bits, and the UE implicitly selects the used PUCCH resource set according to the number of the bits. If N is presentUCI≦ 2, the UE uses the first PUCCH resource set if 2 <NUCI≤N2The UE uses the second PUCCH resource set if N2＜NUCI≤N3The UE uses the third PUCCH resource set if N is3≤NUCI1706 is less than or equal to, the UE uses the fourth PUCCH resource set. Wherein N is2And N3Configured by higher layer signaling. Further, the DCI may instruct the UE to use a specific one of the PUCCH resources in the PUCCH resource set for transmission of UCI.
When the configuration of DRX (discontinuous reception) is started, a protocol restricts a UE (user equipment) in an RRC connected state to perform CSI reporting only in an active period or a DRX-onDurationTimer (discontinuous reception duration timer) running time. Different CSI reports all have their cycles or trigger conditions, and due to the limitation of the reporting time window, the opportunity of reporting CSI by the UE that starts DRX is greatly reduced, so that the CSI-RS (channel state information reference signal) or SSB (synchronization signal block) resource that needs to be measured or the PUCCH/PUSCH resource that is reported may not occur in the active period or DRX on duration timer. Therefore, for the connected UE with DRX on, the base station cannot frequently acquire the channel state information due to the reduction of CSI reporting opportunities. When the channel status changes rapidly, the accuracy of the base station to schedule the UE may be reduced. If the channel state is poor, the base station schedules the UE according to a higher MCS (modulation and coding scheme), which may result in that the UE cannot decode or loses packets. If the channel state is good, the base station schedules the UE according to a low MCS, which may cause a decrease in throughput.
The base station can trigger the connected UE with the DRX on to carry out CSI measurement and report by sending other signals, and assist the base station to acquire CSI information. Because the CSI measurement and reporting triggered by other signals need to be configured, the corresponding reporting resources need to be configured. In the current protocol, the high-level signaling only configures PUCCH resources associated with each period CSI report and semi-periodic CSI report, and for aperiodic CSI report, the DCI is required to indicate the PUSCH resource on which the UE reports.
Therefore, a new CSI reporting resource allocation method needs to be designed for CSI measurement and reporting under the condition of triggering by other signals and triggering by non-DCI.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a network unit for reporting channel state information, which can trigger a connected UE with DRX on to report channel state information.
To solve the above technical problem, embodiments of the present invention provide the following technical solutions:
on one hand, a method for reporting channel state information is provided, which is applied to a network side device, and the method includes:
transmitting a first signal;
the user equipment in a predefined and/or higher layer signaling configuration and/or a first signal indicates the PUCCH resource used by the user equipment in the discontinuous reception mode for reporting the channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period.
Further, the PUCCH resources associated with the measurement resources reported by the channel state information are configured by predefined and/or high-layer signaling.
Further, PUCCH resources associated with the reporting of channel state information are configured by predefined and/or higher layer signaling.
Further, a set or list of PUCCH resources associated with the reporting of the channel state information is predefined and/or higher layer signaling configured.
Further, the first signal indicates the PUCCH resource used by the ue to report channel state information in the PUCCH resource set or list.
Further, the PUCCH resource set or list is configured by predefined and/or higher layer signaling.
Further, the first signal indicates, or pre-defined or high-layer signaling configures PUCCH resources used by the ue for reporting channel state information in the PUCCH resource set or list.
Further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, still include:
and pre-defining and/or configuring reporting time slot offset associated with the PUCCH resource by high-level signaling, wherein the time slot offset is calculated according to the time slot position of the received first signal.
Further, the first signal indicates a time slot for reporting channel state information by the ue.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, still include:
and predefining the user equipment to report the channel state information on the PUCCH resource closest to the first signal after the user equipment meets the channel state information calculation time.
The embodiment of the invention also provides a method for reporting the channel state information, which is applied to the user equipment and comprises the following steps:
the user equipment in a discontinuous receiving mode receives a first signal sent by network side equipment;
and reporting the channel state information on the PUCCH outside the active period and/or the drx-onDurationTimer running period.
Further, the ue reports the csi on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with a measurement resource reported by the csi after receiving the first signal.
Further, the ue reports the csi on the PUCCH resource configured by the predefined and/or higher layer signaling and associated with the csi report after receiving the first signal.
Further, the ue reports the csi on PUCCH resources in a PUCCH resource set or list configured by a predefined and/or higher layer signaling and associated with csi reporting after receiving the first signal.
Further, the ue reports the channel state information on the PUCCH resources in the PUCCH resource set or list indicated by the first signal.
Further, the user equipment reports the channel state information on the PUCCH resources in the PUCCH resource set or the PUCCH resources in the PUCCH resource list configured by the high-level signaling.
Further, the user equipment reports the channel state information on the PUCCH resources in the PUCCH resource set or list configured by the first signal indication or the predefined or high-level signaling;
further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, the ue reports the channel state information at a slot position of a reporting slot offset associated with the PUCCH resource in predefined and/or high-level signaling configuration, where the slot offset is calculated according to the slot position at which the first signal is received.
Further, the ue reports the csi at the reporting timeslot position indicated by the first signal.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, the ue reports the csi on the PUCCH resource closest to the first signal after the ue meets the csi computation time.
The embodiment of the invention also provides a network side device, which comprises a processor and a transceiver,
the transceiver is used for transmitting a first signal;
the processor is configured to predefine and/or higher layer signaling configuration and/or a first signal to indicate a PUCCH resource used by a user equipment in discontinuous reception mode for reporting channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period.
Further, the processor is specifically configured to configure PUCCH resources associated with measurement resources reported by the channel state information in a predefined and/or higher layer signaling manner.
Further, the processor is specifically configured to configure PUCCH resources associated with the reporting of channel state information by predefined and/or higher layer signaling.
Further, the processor is specifically configured to predefine and/or configure a PUCCH resource set or list associated with the reporting of channel state information by a higher layer signaling.
Further, the first signal indicates the PUCCH resource used by the ue to report channel state information in the PUCCH resource set or list.
Further, the processor is specifically configured for pre-defining and/or high layer signaling configuration of a PUCCH resource set or list.
Further, the first signal indicates, or pre-defined or high-layer signaling configures PUCCH resources used by the ue for reporting channel state information in the PUCCH resource set or list.
Further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, the processor is specifically configured to predefine and/or configure a reporting slot offset associated with the PUCCH resource by using a higher layer signaling, where the slot offset is calculated according to a slot position at which the first signal is received.
Further, the first signal indicates a time slot for reporting channel state information by the ue.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, the processor is specifically configured to pre-define that the ue reports the channel state information on a PUCCH resource closest to the first signal after the ue meets the channel state information calculation time.
The embodiment of the invention also provides user equipment in a discontinuous reception mode, which comprises a processor and a transceiver,
the transceiver is used for receiving a first signal sent by network side equipment;
the processor is configured to report channel state information on a physical uplink control channel, PUCCH, outside an active period and/or during a drx-onDurationTimer run period and/or outside a drx-onDurationTimer run period.
Further, the processor is specifically configured to report the channel state information on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with a measurement resource reported by the channel state information after receiving the first signal.
Further, the processor is specifically configured to report the channel state information on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with the channel state information report after receiving the first signal.
Further, the processor is specifically configured to report the channel state information on a PUCCH resource in a PUCCH resource set or list associated with the channel state information report after receiving the first signal, where the PUCCH resource set or list is configured by a predefined and/or higher layer signaling.
Further, the processor is specifically configured to report channel state information on a PUCCH resource in the PUCCH resource set or list indicated by the first signal.
Further, the processor is specifically configured to report the channel state information on a PUCCH resource in a PUCCH resource set or a PUCCH resource in a PUCCH resource list configured by a higher layer signaling.
Further, the processor is specifically configured to report channel state information on a PUCCH resource in the PUCCH resource set or list configured by the first signal indication or the predefined or higher layer signaling;
further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, the processor is specifically configured to report the channel state information at a slot position of a reporting slot offset associated with the PUCCH resource in a predefined and/or higher layer signaling configuration, where the slot offset is calculated according to a slot position at which the first signal is received.
Further, the processor is specifically configured to report the channel state information at a reporting timeslot position indicated by the first signal.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, the processor is specifically configured to report the channel state information on a PUCCH resource closest to the first signal after the channel state information calculation time is satisfied.
The embodiment of the invention also provides a network unit, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; the processor implements the method for reporting the channel state information when executing the program.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the method for reporting channel state information as described above.
The embodiment of the invention has the following beneficial effects:
in the above scheme, the network side device sends the first signal to the user equipment, so that the user equipment reports the channel state information after detecting the first signal, and thus, for the connection state UE with DRX turned on, the connection state UE may be triggered to perform CSI measurement and reporting in an inactive period or outside a DRX-on durationtimer running period, so as to help the network side device to acquire channel state detection information, and the user equipment reports the channel state information only when detecting the first signal, so that energy consumption of the user equipment may be reduced.
Drawings
Fig. 1 is a schematic flow chart of a method for reporting channel state information applied to a network side device according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for reporting channel state information of a ue according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network-side device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Embodiments of the present invention provide a method and a network unit for reporting channel state information, which can trigger a connected UE that starts DRX to report channel state information.
An embodiment of the present invention provides a method for reporting channel state information, which is applied to a network side device, and as shown in fig. 1, the method includes:
step 101: transmitting a first signal;
step 102: the user equipment in a predefined and/or higher layer signaling configuration and/or a first signal indicates the PUCCH resource used by the user equipment in the discontinuous reception mode for reporting the channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period.
In this embodiment, the network side device sends the first signal to the user equipment, so that the user equipment reports the channel state information after detecting the first signal, and thus, for the connection state UE with DRX turned on, the connection state UE may be triggered to perform CSI measurement and reporting in an inactive period or outside a DRX-on duration timer running period, so as to help the network side device to acquire channel state detection information, and the user equipment reports the channel state information only when detecting the first signal, so that energy consumption of the user equipment may be reduced.
Further, the PUCCH resources associated with the measurement resources reported by the channel state information are configured by predefined and/or high-layer signaling.
Further, PUCCH resources associated with the reporting of channel state information are configured by predefined and/or higher layer signaling.
Further, a set or list of PUCCH resources associated with the reporting of the channel state information is predefined and/or higher layer signaling configured.
Further, the first signal indicates the PUCCH resource used by the ue to report channel state information in the PUCCH resource set or list.
Further, the PUCCH resource set or list is configured by predefined and/or higher layer signaling.
Further, the first signal indicates, or pre-defined or high-layer signaling configures PUCCH resources used by the ue for reporting channel state information in the PUCCH resource set or list.
Further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, still include:
and pre-defining and/or configuring reporting time slot offset associated with the PUCCH resource by high-level signaling, wherein the time slot offset is calculated according to the time slot position of the received first signal.
Further, the first signal indicates a time slot for reporting channel state information by the ue.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, still include:
and predefining the user equipment to report the channel state information on the PUCCH resource closest to the first signal after the user equipment meets the channel state information calculation time.
An embodiment of the present invention further provides a method for reporting channel state information, which is applied to configuring a user equipment with discontinuous reception, and as shown in fig. 2, the method includes:
step 201: the user equipment in a discontinuous receiving mode receives a first signal sent by network side equipment;
step 202: and reporting the channel state information on the PUCCH outside the active period and/or the drx-onDurationTimer running period.
In this embodiment, the network side device sends the first signal to the user equipment, so that the user equipment reports the channel state information after detecting the first signal, and thus, for the connection state UE with DRX turned on, the connection state UE may be triggered to perform CSI measurement and reporting in an inactive period or outside a DRX-on duration timer running period, so as to help the network side device to acquire channel state detection information, and the user equipment reports the channel state information only when detecting the first signal, so that energy consumption of the user equipment may be reduced.
Further, the ue reports the csi on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with a measurement resource reported by the csi after receiving the first signal.
Further, the ue reports the csi on the PUCCH resource configured by the predefined and/or higher layer signaling and associated with the csi report after receiving the first signal.
Further, the ue reports the csi on PUCCH resources in a PUCCH resource set or list configured by a predefined and/or higher layer signaling and associated with csi reporting after receiving the first signal.
Further, the ue reports the channel state information on the PUCCH resources in the PUCCH resource set or list indicated by the first signal.
Further, the user equipment reports the channel state information on the PUCCH resources in the PUCCH resource set or the PUCCH resources in the PUCCH resource list configured by the high-level signaling.
Further, the user equipment reports the channel state information on the PUCCH resources in the PUCCH resource set or list configured by the first signal indication or the predefined or high-level signaling;
further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, the ue reports the channel state information at a slot position of a reporting slot offset associated with the PUCCH resource in predefined and/or high-level signaling configuration, where the slot offset is calculated according to the slot position at which the first signal is received.
Further, the ue reports the csi at the reporting timeslot position indicated by the first signal.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, the ue reports the csi on the PUCCH resource closest to the first signal after the ue meets the csi computation time.
The following further introduces the method for reporting channel state information of the present invention, by taking a network side device as a base station, in combination with a specific embodiment:
in this embodiment, the base station sends a first signal to the UE, and the UE reports the CSI when detecting the first signal.
The configuration of the CSI reporting resource includes the following types of methods:
the first type of mode: non-decoupled from measurement resource configuration
Specifically, PUCCH resources associated with measurement resource configuration reported by CSI may be configured through predefined and/or higher layer signaling. And pre-defining and/or high-layer signaling to configure the format and/or time domain resource and/or frequency domain resource and/or code domain resource of the PUCCH resource.
In a specific embodiment, the higher layer signaling associates a PUCCH resource with each measurement resource for CSI reporting triggered by the first signal, and the first signal indicates and/or predefines and/or indicates the measurement resource configuration for CSI reporting and simultaneously implicitly indicates the PUCCH resource for reporting.
The second type is: the method is decoupled from the measurement resource configuration and comprises five configuration methods.
The method comprises the following steps:
configuring a PUCCH resource associated with the CSI report triggered by the first signal through predefined and/or higher layer signaling. And simultaneously, pre-defining and/or high-layer signaling configures the format and/or time domain resource and/or frequency domain resource and/or code domain resource of the PUCCH resource.
In a specific embodiment, the higher layer signaling or pre-defines a PUCCH resource used for CSI reporting triggered by the first signal, that is, if the first signal triggers CSI reporting of the UE, the PUCCH resource used for reporting is implicitly indicated.
The second method comprises the following steps:
and configuring a PUCCH resource set associated with the CSI report triggered by the first signal through predefined and/or higher layer signaling, wherein the resource set comprises a plurality of PUCCH resources. The first signal indicates PUCCH resources for CSI reporting of the UE.
And configuring the format and/or time domain resource and/or frequency domain resource and/or code domain resource of each PUCCH resource in the PUCCH resource set through predefined and/or high layer signaling.
Specifically, the first signal may be an indication of PUCCH resources by different bit states and/or cyclic shifts and/or sequence indices. In addition, different bit states and/or cyclic shifts and/or association relationships of sequence indexes and PUCCH resources are configured through predefined or higher layer signaling.
In a specific embodiment, the PUCCH resource set used for CSI reporting triggered by the higher layer signaling or predefined first signal includes PUCCH resource 0, PUCCH resource 1, PUCCH resource 2, and PUCCH resource 3. The first signal is indicated by different bit states, for example, 00 represents PUCCH resource 0,01 represents PUCCH resource 1,10 represents PUCCH resource 2, and 11 represents PUCCH resource 3. Or the first signal is indicated by different cyclic shifts, such as cyclic shift 0 representing PUCCH resource 0, cyclic shift 1 representing PUCCH resource 1, cyclic shift 2 representing PUCCH resource 2, and cyclic shift 3 representing PUCCH resource 3.
The third method comprises the following steps:
the method comprises the steps that PUCCH-ResourceSet configured in a PUCCH-Config information element in a high-level signaling is used, UE implicitly selects which PUCCH resource set to use through CSI bit number needing to be reported, and the first signal indicates PUCCH resources used by the UE in the PUCCH set for CSI reporting.
Specifically, the first signal may be an indication of PUCCH resources through a bit state and/or a cyclic shift and/or a sequence index.
In a specific embodiment, the UE selects PUCCH resource set 2 by the CSI bit number, and the first signal further indicates PUCCH resources used in PUCCH resource set 2.
The method four comprises the following steps:
and using PUCCH-ResourceSet configured in a PUCCH-Config information element in the high-level signaling, implicitly selecting which PUCCH resource set is used by the UE according to the CSI bit number needing to be reported, and configuring PUCCH resources for CSI reporting in the selected PUCCH resource set by the UE through predefined and/or high-level signaling.
In a specific embodiment, the PUCCH resource with the smallest index in each PUCCH resource set is configured for reporting by a predefined or higher layer signaling. And if the UE selects the PUCCH resource set 2 through the CSI bit number, the UE reports the PUCCH resource with the minimum index in the PUCCH resource set 2.
The method five comprises the following steps:
and by using multi-CSI-PUCCH-ResourceList configured in a PUCCH-Config information element in the high-level signaling, the UE implicitly selects which PUCCH resource to use according to the CSI bit number needing to be reported, or the UE is configured by predefined or high-level signaling or the first signal indicates the PUCCH resource used by the UE for CSI reporting.
Specifically, the first signal may indicate PUCCH resources through a bit state and/or a cyclic shift and/or a sequence index.
Further, after determining which PUCCH resource is used by the UE for CSI reporting, it is also required to determine when the UE performs CSI reporting, and the specific schemes include the following three types:
the method comprises the following steps: and the high-level signaling predefines the reporting time slot offset of the PUCCH resource while configuring the reporting resource of the PUCCH, and the specific high-level signaling predefines the time slot offset value calculated from the received first signal and reports the time slot offset value at the time slot position of the time slot offset value.
The method 2 comprises the following steps: the first signal indicates the UE to report CSI after a plurality of slots away from the first signal or the distance measurement signal.
Specifically, the first signal may indicate the CSI reporting slot through different bit states and/or cyclic shifts and/or sequence indexes.
The method 3 comprises the following steps: and predefining UE to report CSI on the PUCCH resource closest to the first signal after the CSI calculation time is met.
An embodiment of the present invention further provides a network-side device, as shown in fig. 3, including a processor 31 and a transceiver 32,
the transceiver 32 is configured to transmit a first signal;
the processor 31 is configured to predefine and/or higher layer signaling configuration and/or a first signal to indicate PUCCH resources used by the ue in the discontinuous reception mode for reporting channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period.
In this embodiment, the network side device sends the first signal to the user equipment, so that the user equipment reports the channel state information after detecting the first signal, and thus, for the connection state UE with DRX turned on, the connection state UE may be triggered to perform CSI measurement and reporting in an inactive period or outside a DRX-on duration timer running period, so as to help the network side device to acquire channel state detection information, and the user equipment reports the channel state information only when detecting the first signal, so that energy consumption of the user equipment may be reduced.
Further, the processor 31 is specifically configured to configure PUCCH resources associated with measurement resources reported by the channel state information in a predefined and/or higher layer signaling manner.
Further, the processor 31 is specifically configured to configure PUCCH resources associated with the reporting of channel state information by predefined and/or higher layer signaling.
Further, the processor 31 is specifically configured to pre-define and/or configure a PUCCH resource set or list associated with the reporting of the channel state information by using a higher layer signaling.
Further, the first signal indicates the PUCCH resource used by the ue to report channel state information in the PUCCH resource set or list.
Further, the processor 31 is specifically configured to configure a PUCCH resource set or list for predefined and/or higher layer signaling.
Further, the first signal indicates, or pre-defined or high-layer signaling configures PUCCH resources used by the ue for reporting channel state information in the PUCCH resource set or list.
Further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, the processor 31 is specifically configured to predefine and/or configure a reporting slot offset associated with the PUCCH resource, where the slot offset is calculated according to a slot position at which the first signal is received.
Further, the first signal indicates a time slot for reporting channel state information by the ue.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, the processor 31 is specifically configured to pre-define that the ue reports the channel state information on a PUCCH resource closest to the first signal after the ue meets the channel state information calculation time.
The embodiment of the present invention also provides a user equipment configured with discontinuous reception, as shown in fig. 4, including a processor 41 and a transceiver 42,
the transceiver 42 is configured to receive a first signal sent by a network-side device;
the processor 41 is configured to report channel state information on a physical uplink control channel, PUCCH, outside an active period and/or during a drx-onDurationTimer operation period and/or outside a drx-onDurationTimer operation period.
In this embodiment, the network side device sends the first signal to the user equipment, so that the user equipment reports the channel state information after detecting the first signal, and thus, for the connection state UE with DRX turned on, the connection state UE may be triggered to perform CSI measurement and reporting in an inactive period or outside a DRX-on duration timer running period, so as to help the network side device to acquire channel state detection information, and the user equipment reports the channel state information only when detecting the first signal, so that energy consumption of the user equipment may be reduced.
Further, the processor 41 is specifically configured to perform channel state information reporting on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with a measurement resource for reporting the channel state information after receiving the first signal.
Further, the processor 41 is specifically configured to perform channel state information reporting on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with channel state information reporting after receiving the first signal.
Further, the processor 41 is specifically configured to perform channel state information reporting on PUCCH resources in a PUCCH resource set or list configured by a predefined and/or higher layer signaling and associated with channel state information reporting after receiving the first signal.
Further, the processor 41 is specifically configured to report the channel state information on the PUCCH resource in the PUCCH resource set or list indicated by the first signal.
Further, the processor 41 is specifically configured to report the channel state information on a PUCCH resource in a PUCCH resource set or a PUCCH resource in a PUCCH resource list configured by a higher layer signaling.
Further, the processor 41 is specifically configured to report channel state information on a PUCCH resource in the PUCCH resource set or list configured by the first signal indication or the predefined or higher layer signaling;
further, the first signal indicates, through at least one of the following information, a PUCCH resource used by the ue for reporting csi:
a bit state;
cyclic shift;
the sequence index.
Further, at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
Further, the processor 41 is specifically configured to report the channel state information at a slot position of a reporting slot offset associated with the PUCCH resource in predefined and/or higher layer signaling configuration, where the slot offset is calculated according to a slot position at which the first signal is received.
Further, the processor 41 is specifically configured to report the channel state information at a reporting slot position indicated by the first signal.
Further, the first signal indicates, by at least one of the following information, a timeslot for the ue to report the csi:
a bit state;
cyclic shift;
the sequence index.
Further, the processor 41 is specifically configured to report the channel state information on a PUCCH resource closest to the first signal after the channel state information calculation time is met.
The embodiment of the invention also provides a network unit, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; the processor implements the method for reporting the channel state information when executing the program.
The network element may be a network side device, and may also be a user equipment configured with discontinuous reception.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the method for reporting channel state information.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (54)

1. A method for reporting channel state information is applied to a network side device, and the method comprises:
transmitting a first signal;
the user equipment in a predefined and/or higher layer signaling configuration and/or a first signal indicates the PUCCH resource used by the user equipment in the discontinuous reception mode for reporting the channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period.
2. The method of claim 1, wherein the CSI report is sent to the UE,
and pre-defining and/or configuring PUCCH resources associated with the measurement resources reported by the channel state information by high-level signaling.
3. The method of claim 1, wherein the CSI report is sent to the UE,
and pre-defining and/or configuring PUCCH resources associated with the channel state information report by high-level signaling.
4. The method of claim 1, wherein the CSI report is sent to the UE,
and pre-defining and/or configuring a PUCCH resource set or list associated with the report of the channel state information by high-layer signaling.
5. The method of claim 4, wherein the CSI report is sent to the UE,
and the first signal indicates the user equipment to carry out PUCCH resources used for reporting the channel state information in the PUCCH resource set or list.
6. The method of claim 1, wherein the CSI report is sent to the UE,
a set or list of PUCCH resources is configured by predefined and/or higher layer signaling.
7. The method of claim 6, wherein the reporting of the CSI is performed in a wireless communication system,
and the first signal indication or predefined or high-level signaling configures PUCCH resources used for reporting channel state information in the PUCCH resource set or list by the user equipment.
8. The method of claim 5 or 7, wherein the first signal indicates a PUCCH resource used by the UE for reporting the CSI by at least one of:
a bit state;
cyclic shift;
the sequence index.
9. The method of claim 2, 3, 4 or 6, wherein at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
10. The method of claim 1, further comprising:
and pre-defining and/or configuring reporting time slot offset associated with the PUCCH resource by high-level signaling, wherein the time slot offset is calculated according to the time slot position of the received first signal.
11. The method of claim 1, wherein the CSI report is sent to the UE,
the first signal indicates a time slot for reporting the channel state information by the user equipment.
12. The method of claim 11, wherein the CSI report is sent from the base station to the mobile station,
the first signal indicates, by at least one of the following information, a time slot for reporting channel state information by the ue:
a bit state;
cyclic shift;
the sequence index.
13. The method of claim 1, further comprising:
and predefining the user equipment to report the channel state information on the PUCCH resource closest to the first signal after the user equipment meets the channel state information calculation time.
14. A method for reporting channel state information is applied to user equipment, and the method comprises the following steps:
the user equipment in a discontinuous receiving mode receives a first signal sent by network side equipment;
and reporting the channel state information on the PUCCH outside the active period and/or the drx-onDurationTimer running period.
15. The method of claim 14, wherein the reporting of the CSI is performed in a wireless communication system,
and the user equipment reports the channel state information on PUCCH resources which are configured by predefined and/or high-level signaling and are associated with the measurement resources reported by the channel state information after the first signal is received.
16. The method of claim 14, wherein the reporting of the CSI is performed in a wireless communication system,
and the user equipment reports the channel state information on PUCCH resources which are configured by predefined and/or high-level signaling and are associated with the channel state information report after the first signal is received.
17. The method of claim 14, wherein the reporting of the CSI is performed in a wireless communication system,
and the user equipment reports the channel state information on PUCCH resources in a PUCCH resource set or a PUCCH resource list which is configured by predefined and/or high-level signaling and is associated with the channel state information report after the first signal is received.
18. The method of claim 17, wherein the CSI report is sent from the base station,
and the user equipment reports the channel state information on the PUCCH resources in the PUCCH resource set or the PUCCH resources in the list indicated by the first signal.
19. The method of claim 14, wherein the reporting of the CSI is performed in a wireless communication system,
and the user equipment reports the channel state information on PUCCH resources in a PUCCH resource set or a PUCCH resource list configured by the high-level signaling.
20. The method of claim 19, wherein the CSI report is sent from the base station,
and the user equipment reports the channel state information on PUCCH resources in the PUCCH resource set or list configured by the first signal indication or the predefined or high-level signaling.
21. The method of claim 18 or 20, wherein the first signal indicates a PUCCH resource used by the ue for reporting the csi by at least one of:
a bit state;
cyclic shift;
the sequence index.
22. The method of claim 15 or 16 or 17 or 19, wherein at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
23. The method of claim 14, wherein the UE reports CSI at a slot position of a reporting slot offset associated with the PUCCH resource according to a predefined and/or higher layer signaling configuration, and wherein the slot offset is calculated according to a slot position at which the first signal is received.
24. The method of claim 17, wherein the UE reports the CSI at a reporting slot position indicated by the first signal.
25. The method of claim 24, wherein the first signal indicates a timeslot for the ue to report the csi by at least one of:
a bit state;
cyclic shift;
the sequence index.
26. The method of claim 14, wherein the ue reports the csi on a PUCCH resource closest to the first signal after the computation time of the csi is met.
27. A network side device, comprising a processor and a transceiver,
the transceiver is used for transmitting a first signal;
the processor is configured to predefine and/or higher layer signaling configuration and/or a first signal to indicate a PUCCH resource used by a user equipment in discontinuous reception mode for reporting channel state information after detecting the first signal in an active period and/or outside the active period and/or during a drx-onDurationTimer operation period and/or outside the drx-onDurationTimer operation period.
28. The network-side device of claim 27,
the processor is specifically configured to pre-define and/or configure PUCCH resources associated with measurement resources reported by the channel state information by using a high-level signaling.
29. The network-side device of claim 27,
the processor is specifically configured to pre-define and/or configure PUCCH resources associated with the reporting of channel state information by a higher layer signaling.
30. The network-side device of claim 27,
the processor is specifically configured to predefine and/or configure a PUCCH resource set or list associated with the reporting of the channel state information by using a higher layer signaling.
31. The network-side device of claim 30,
and the first signal indicates the user equipment to carry out PUCCH resources used for reporting the channel state information in the PUCCH resource set or list.
32. The network-side device of claim 27,
the processor is specifically configured for pre-defined and/or higher layer signaling configuration of a set or list of PUCCH resources.
33. The network-side device of claim 32,
and the first signal indication or predefined or high-level signaling configures PUCCH resources used for reporting channel state information in the PUCCH resource set or list by the user equipment.
34. The network-side device of claim 31 or 33, wherein the first signal indicates a PUCCH resource used by the ue for reporting csi via at least one of the following information:
a bit state;
cyclic shift;
the sequence index.
35. The network side device according to claim 28, 29, 30 or 32, wherein at least one of the following PUCCH resources is configured by predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
36. The network-side device of claim 27,
the processor is specifically configured to predefine and/or configure a reporting slot offset associated with the PUCCH resource for a higher layer signaling, where the slot offset is calculated according to a slot position at which the first signal is received.
37. The network-side device of claim 27,
the first signal indicates a time slot for reporting the channel state information by the user equipment.
38. The network-side device of claim 37,
the first signal indicates, by at least one of the following information, a time slot for reporting channel state information by the ue:
a bit state;
cyclic shift;
the sequence index.
39. The network-side device of claim 27,
the processor is specifically configured to pre-define that the ue reports the csi on the PUCCH resource closest to the first signal after the ue meets the csi computation time.
40. A user equipment is characterized in that the user equipment in discontinuous reception mode comprises a processor and a transceiver,
the transceiver is used for receiving a first signal sent by network side equipment;
the processor is configured to report channel state information on a physical uplink control channel, PUCCH, outside an active period and/or during a drx-onDurationTimer run period and/or outside a drx-onDurationTimer run period.
41. The user equipment of claim 40,
the processor is specifically configured to report the channel state information on a PUCCH resource configured by a predefined and/or higher layer signaling and associated with a measurement resource reported by the channel state information after receiving the first signal.
42. The user equipment of claim 40,
the processor is specifically configured to perform channel state information reporting on PUCCH resources configured by a predefined and/or higher layer signaling and associated with channel state information reporting after receiving the first signal.
43. The user equipment of claim 40,
the processor is specifically configured to perform channel state information reporting on PUCCH resources in a PUCCH resource set or list associated with channel state information reporting after receiving the first signal, where the PUCCH resources are configured by a predefined and/or higher layer signaling.
44. The user equipment of claim 43,
the processor is specifically configured to report channel state information on a PUCCH resource in the PUCCH resource set or list indicated by the first signal.
45. The user equipment of claim 40,
the processor is specifically configured to report the channel state information on a PUCCH resource in a PUCCH resource set or a PUCCH resource in a PUCCH resource list configured by the high-level signaling.
46. The user equipment of claim 45,
the processor is specifically configured to report channel state information on a PUCCH resource in the PUCCH resource set or list configured by the first signal indication or the predefined or higher layer signaling.
47. The UE of claim 44 or 46, wherein the first signal indicates PUCCH resources used for CSI reporting by the UE through at least one of the following information:
a bit state;
cyclic shift;
the sequence index.
48. The UE of claim 41 or 42 or 43 or 45, wherein at least one of the following PUCCH resources is configured via predefined and/or higher layer signaling:
a format;
time domain resources;
frequency domain resources;
code domain resources.
49. The UE of claim 40, wherein the processor is configured to report CSI at a slot position of a reporting slot offset associated with the PUCCH resource in a predefined and/or higher layer signaling configuration, and wherein the slot offset is calculated according to a slot position at which the first signal is received.
50. The UE of claim 43, wherein the processor is specifically configured to report CSI at a reporting slot position indicated by the first signal.
51. The UE of claim 50, wherein the first signal indicates a timeslot for CSI reporting by the UE through at least one of the following information:
a bit state;
cyclic shift;
the sequence index.
52. The UE of claim 40, wherein the processor is specifically configured to report the CSI on a PUCCH resource closest to the first signal after a CSI calculation time is met.
53. A network element comprising a memory, a processor and a computer program stored on the memory and executable on the processor; characterized in that, when executing the program, the processor implements the method for reporting channel state information according to any one of claims 1 to 13 or implements the method for reporting channel state information according to any one of claims 14 to 26.
54. A computer readable storage medium, on which a computer program is stored, which when executed by a processor performs the steps in the method for channel state information reporting according to any of claims 1-13 or the steps in the method for channel state information reporting according to any of claims 14-26.
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