CN110022190B - Method and device for transmitting uplink control information - Google Patents

Method and device for transmitting uplink control information Download PDF

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Publication number
CN110022190B
CN110022190B CN201810014903.3A CN201810014903A CN110022190B CN 110022190 B CN110022190 B CN 110022190B CN 201810014903 A CN201810014903 A CN 201810014903A CN 110022190 B CN110022190 B CN 110022190B
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uci
additional transmission
transmission resource
transmitted
determining
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CN110022190A (en
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高雪娟
林祥利
托尼
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN201810014903.3A priority Critical patent/CN110022190B/en
Priority to PCT/CN2018/120411 priority patent/WO2019134484A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a method and a device for transmitting uplink control information, which are used for configuring an additional channel resource for each SR in an overlapped transmission opportunity when the transmission opportunities configured by a plurality of SRs are overlapped and other UCIs simultaneously exist in the overlapped transmission opportunity, wherein the additional channel resource and the channel resource corresponding to the other UCIs belong to the channel resource of the same channel resource, and the additional channel resource corresponding to one SR configuration is used for transmitting the other UCIs, so that which SR is transmitted simultaneously with the other UCIs is implicitly expressed. The method comprises the following steps: determining UCI needing to be transmitted; if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining an additional transmission resource configured for the first UCI, wherein a channel format corresponding to the additional transmission resource and a channel format corresponding to the transmission resource of the second UCI belong to the same channel format set.

Description

Method and device for transmitting uplink control information
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for transmitting uplink control information.
Background
With the development of mobile communication service demand, organizations such as International Telecommunication Union (ITU) and third Generation Partnership Project (3 GPP) have begun to research New wireless communication systems, such as a fifth Generation New Radio Access Technology (5G NR, 5Generation New Radio Access Technology (RAT)).
In the current 5G NR, Uplink Control Information (UCI) includes: hybrid Automatic Repeat Request (HARQ) feedback Information (i.e., HARQ-ACK Information), Scheduling Request (SR) Information, Channel State Information (CSI), and the like.
Disclosure of Invention
The embodiment of the application provides a method and a device for transmitting uplink control information, which are used for configuring an additional channel resource for each SR in an overlapped transmission opportunity when the transmission opportunities configured by a plurality of SRs are overlapped and other UCIs simultaneously exist in the overlapped transmission opportunity, wherein the additional channel resource and the channel resources corresponding to the other UCIs belong to the same channel resource, and the additional channel resource corresponding to one SR configuration is used for transmitting the other UCIs, so that the network side can acquire different types of UCIs in time by implicitly expressing which SR is transmitted simultaneously with the other UCIs.
On a terminal side, a method for transmitting uplink control information UCI provided in an embodiment of the present application includes:
determining UCI needing to be transmitted;
if the UCI required to be transmitted includes the first UCI and the second UCI,
determining an additional transmission resource configured for the first UCI, wherein a channel format corresponding to the additional transmission resource and a channel format corresponding to a transmission resource of the second UCI belong to the same channel format set.
By the method, the UCI needing to be transmitted is determined, if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining an additional transmission resource configured for the first UCI, the additional transmission resource corresponding to a channel format, the channel formats corresponding to the transmission resources of the second UCI belong to the same channel format set, so that when there is an overlap of transmission opportunities for a plurality of SR (first UCI) configurations and there is simultaneously another UCI (second UCI) transmission in the overlapped transmission opportunities, one additional channel resource is allocated for each SR configuration in the overlapped transmission opportunities, the additional channel resource belongs to the channel resource of the same type of channel resource as the channel resource corresponding to other UCI, by transmitting other UCIs on the extra channel resources corresponding to one SR configuration, which SR is transmitted simultaneously with other UCIs is implicitly expressed, so that a network side can acquire different types of UCIs in time.
Optionally, the UCI to be transmitted includes a plurality of first UCI, and the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, the method further comprises: transmitting one of the plurality of first UCIs and the second UCI using the additional transmission resources.
Optionally, there is an overlap in transmission time domain resources of at least two first UCI of the plurality of first UCI;
or, there is an overlap in transmission time domain resources of at least two first UCI among the plurality of first UCI, and there is an overlap in transmission time instant of the second UCI and the at least two first UCI.
Optionally, the method further comprises:
triggering one first UCI of the at least two first UCIs to transmit;
transmitting a second UCI on a transmission resource of the second UCI when the state of the triggered first UCI is negative;
and when the state of the triggered first UCI is positive, transmitting a second UCI on an additional transmission resource corresponding to the triggered first UCI.
Optionally, code domain and/or frequency domain resources of at least two of the plurality of first UCIs are different.
Optionally, the first UCI includes scheduling request, SR, information.
Optionally, the second UCI includes hybrid automatic repeat request feedback HARQ-ACK information and/or CSI information.
Optionally, the set of channel formats includes one or a combination of:
a new physical uplink control channel PUCCH format1 of a radio access technology NR;
NR PUCCH format 2；
NR PUCCH format 3；
NR PUCCH format 4。
correspondingly, on the network side, the method for transmitting the uplink control information UCI provided in the embodiment of the present application includes:
determining an additional transmission resource configured for a first UCI and determining a transmission resource configured for a second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set;
signal detection is performed on the additional transmission resources configured for the first UCI and the transmission resources configured for the second UCI.
Optionally, the determining of the additional transmission resource configured for the first UCI specifically includes: determining additional transmission resources configured for a plurality of first UCI;
wherein, the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, one of the first UCI and the second UCI of the plurality of first UCI are transmitted using the additional transmission resource.
Alternatively,
the method further comprises the following steps:
determining that the UCI transmitted by the UE only includes the second UCI when a signal is detected at the transmission resource of the second UCI;
when a signal is detected on an additional transmission resource configured for a first UCI of the plurality of first UCIs, determining that the UCI transmitted by the UE includes the first UCI and a second UCI, and determining configuration parameters of the first UCI, and detecting the second UCI on the additional transmission resource configured for the first UCI.
In the embodiment of the present application, at the network side, because the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters, the first UCI configuration parameter corresponding to the transmission resource of the first UCI may be determined by further determining the transmission resource of the detected first UCI. That is to say, when there is a plurality of transmission time domain resources of the first UCI overlapping at the same time, the higher layer may trigger only one of the first UCI to transmit in the physical layer, and when the one first UCI is transmitted simultaneously with other types of UCI (second UCI), by using the technical solution provided in the embodiment of the present application, it may be further distinguished which first UCI of the plurality of first UCI is transmitted simultaneously with other types of uplink control information.
On a terminal side, a device for transmitting uplink control information UCI provided in an embodiment of the present application includes:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining UCI needing to be transmitted;
if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining an additional transmission resource configured for the first UCI, wherein a channel format corresponding to the additional transmission resource and a channel format corresponding to the transmission resource of the second UCI belong to the same channel format set.
Optionally, the UCI to be transmitted includes a plurality of first UCI, and the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, the processor is further configured to: transmitting one of the plurality of first UCIs and the second UCI using the additional transmission resources.
Optionally, there is an overlap in transmission time domain resources of at least two first UCI of the plurality of first UCI;
or, there is an overlap in transmission time domain resources of at least two first UCI among the plurality of first UCI, and there is an overlap in transmission time instant of the second UCI and the at least two first UCI.
Optionally, the processor is further configured to:
triggering one first UCI of the at least two first UCIs to transmit;
transmitting a second UCI on a transmission resource of the second UCI when the state of the triggered first UCI is negative;
and when the state of the triggered first UCI is positive, transmitting a second UCI on an additional transmission resource corresponding to the triggered first UCI.
Optionally, code domain and/or frequency domain resources of at least two of the plurality of first UCIs are different.
Optionally, the first UCI includes scheduling request, SR, information.
Optionally, the second UCI includes hybrid automatic repeat request feedback HARQ-ACK information and/or CSI information.
Optionally, the set of channel formats includes one or a combination of:
a new physical uplink control channel PUCCH format1 of a radio access technology NR;
NR PUCCH format 2；
NR PUCCH format 3；
NR PUCCH format 4。
correspondingly, on the network side, the apparatus for transmitting uplink control information UCI provided in the embodiment of the present application includes:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining an additional transmission resource configured for a first UCI and determining a transmission resource configured for a second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set;
signal detection is performed on the additional transmission resources configured for the first UCI and the transmission resources configured for the second UCI.
Optionally, the determining of the additional transmission resource configured for the first UCI specifically includes: determining additional transmission resources configured for a plurality of first UCI;
wherein, the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, one of the first UCI and the second UCI of the plurality of first UCI are transmitted using the additional transmission resource.
Optionally, the processor is further configured to:
determining that the UCI transmitted by the UE only includes the second UCI when a signal is detected at the transmission resource of the second UCI;
when a signal is detected on an additional transmission resource configured for a first UCI of the plurality of first UCIs, determining that the UCI transmitted by the UE includes the first UCI and a second UCI, and determining configuration parameters of the first UCI, and detecting the second UCI on the additional transmission resource configured for the first UCI.
At a terminal side, another apparatus for transmitting uplink control information UCI provided in an embodiment of the present application includes:
a first unit, configured to determine a UCI that needs to be transmitted;
a second unit, configured to determine, if the UCI required to be transmitted includes the first UCI and the second UCI, an additional transmission resource configured for the first UCI, where a channel format corresponding to the additional transmission resource and a channel format corresponding to a transmission resource of the second UCI belong to the same channel format set.
On the network side, another apparatus for transmitting uplink control information UCI provided in this embodiment of the present application includes:
a determining unit, configured to determine an additional transmission resource configured for the first UCI and determine a transmission resource configured for the second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set;
and the detection unit is used for carrying out signal detection on the additional transmission resources configured for the first UCI and the transmission resources configured for the second UCI.
Another embodiment of the present application provides a computer storage medium having stored thereon computer-executable instructions for causing a computer to perform any one of the methods described above.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for transmitting UCI at a terminal side according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for transmitting UCI on a network side according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a transmission apparatus of UCI at a terminal side according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a transmission apparatus of UCI on a network side according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of another transmission apparatus for UCI at a terminal according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of another UCI transmission apparatus on a network side according to an embodiment of the present application.
Detailed Description
The embodiment of the application provides a method and a device for transmitting uplink control information, which are used for configuring an additional channel resource for each SR in an overlapped transmission opportunity when the transmission opportunities configured by a plurality of SRs are overlapped and other UCIs simultaneously exist in the overlapped transmission opportunity, wherein the additional channel resource and the channel resources corresponding to the other UCIs belong to the same channel resource, and the additional channel resource corresponding to one SR configuration is used for transmitting the other UCIs, so that the network side can acquire different types of UCIs in time by implicitly expressing which SR is transmitted simultaneously with the other UCIs.
In the 5G NR, HARQ-ACK may be transmitted using an NR Physical Uplink Control CHannel (PUCCH) format (format)0 or 1 or 2 or 3 or 4, a Scheduling Request (SR) may be transmitted using an NR PUCCH format 0 or 1, and CHannel State Information (CSI) may be transmitted using an NR PUCCH format2 or 3 or 4. Transmission resources of different Uplink Control Information (UCI) and a used PUCCH format are configured independently.
In the NR system, 5 kinds of NR PUCCH formats, namely, NR PUCCH formats 0, 1, 2,3, and 4, are defined, where PUCCH formats 0 and 1 may carry 1-2-bit Uplink Control Information (UCI) transmission, and PUCCH formats 2,3, and 4 may carry UCI transmission of more than 2 bits; the PUCCHs formats 0 and 2 belong to a short PUCCH and occupy 1 to 2 symbol transmissions, and the PUCCHs formats 1, 3 and 4 belong to a long PUCCH and can occupy 4 to 14 symbol transmissions. PUCCH format 0 is transmitted in a sequence mode, no pilot exists, PUCCH format1 is transmitted in a data modulation and spreading mode, and channel estimation needs to be performed based on the pilot, where an even symbol position in a symbol occupied by PUCCH format1 is a pilot symbol and an odd symbol position is a UCI symbol (based on the assumption that the first symbol number in a symbol occupied by PUCCH format1 is 0).
The SR information may be transmitted using PUCCH format 0 or 1. When the SR information is configured to use the PUCCH format 0, in an SR information transmission opportunity (i.e., transmission time domain Resource), if there is an SR information request (i.e., the SR information is in a positive state), a cyclic shift value configured to the SR information in advance according to a high layer signaling is used to cyclically shift a base sequence to obtain a transmission sequence, and the transmission sequence is transmitted on a configured Resource Block (RB), or if there is no SR information request (i.e., the SR information is in a negative state), the SR information is not transmitted. When the SR information is configured to use PUCCH format1, in an SR information transmission opportunity (i.e., transmission time domain resource), if there is positive SR information, one modulation symbol representing the SR information is carried on a cyclic shifted and time domain spread sequence, mapped to PUCCH format1 symbols for UCI transmission, and pilots are mapped on the remaining symbols for transmission, and if the SR information is negative SR information, the SR information is not transmitted.
HARQ-ACK information may use any one of the 5 formats. When the HARQ-ACK information is configured to use PUCCH format 0, different HARQ-ACK information feedback states are expressed by different cyclic shift values, if the HARQ-ACK information is 1 bit, there are two feedback states of acknowledged { ACK } and unacknowledged { NACK } requiring 2 cyclic shift values, and the different cyclic shift values correspond to different HARQ-ACK information feedback states, as shown in table 1 below, where C isinitalFor the pre-configured initial cyclic shift value, the cyclic shift values corresponding to different HARQ-ACK information feedback states can be obtained by adding a predetermined offset value to the value. If the HARQ-ACK information is 2 bits, there are 4 feedback states { ACK, ACK }, { NACK, ACK }, { ACK, NACK }, { NACK, NACK }, and 4 cyclic shift values, and different cyclic shift values correspond to different HARQ-ACK information feedback states, as shown in Table 2 below. When the HARQ-ACK is configured to use PUCCH format1, 1-bit HARQ-ACK information to be transmitted is BPSK or 2-bit HARQ-ACK is QPSK modulatedAnd obtaining a modulation symbol, carrying the modulation symbol on the cyclic shift and time domain spread sequence, mapping the modulation symbol to a PUCCH format1 symbol for transmitting UCI, and mapping a pilot frequency to the rest symbols for transmitting.
When the HARQ-ACK and/or the periodic CSI are configured to use PUCCH format2 or 3 or 4, more than 2 bits of HARQ-ACK information and/or the periodic CSI to be transmitted are mapped to PUCCH resources except pilot frequency for transmission after channel coding and rate matching.
Table 1: cyclic shift mapping relation of 1-bit HARQ-ACK information
HARQ-ACK information NACK ACK
Cyclic shift Cinital (Cinital+6)mod12
Table 2: cyclic shift mapping relation of 2-bit HARQ-ACK information
HARQ-ACK information NACK,NACK NACK,ACK ACK,ACK ACK,NACK
Cyclic shift Cinital (Cinital+3)mod12 (Cinital+6)mod12 (Cinital+9)mod12
It should be noted that the transmission time domain resource described in the embodiment of the present application is specifically represented by a symbol occupied by transmission, such as an SC-FDMA symbol, a DFT-S-OFDM symbol, an OFDM symbol, a CP-OFDM symbol, or the like.
In the technical solution provided in the embodiment of the present application, different types of UCI may be referred to as different UCI for short.
As the demand of mobile communication services changes, in the 5G NR system, a terminal may have multiple SR configurations, that is, configuration parameters of each SR are different, and the configuration parameters of the SR include, for example: SR resources, periodicity, etc. The SR resources comprise one or more resources in a time domain, a frequency domain, a code domain and the like of the SR.
The technical solutions provided by the embodiments of the present application are described below with reference to the accompanying drawings.
Referring to fig. 1, at a terminal side, a method for transmitting uplink control information UCI provided in an embodiment of the present application includes:
s101, determining UCI needing to be transmitted;
s102, if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining an additional transmission resource configured for the first UCI, wherein a channel format corresponding to the additional transmission resource and a channel format corresponding to the transmission resource of the second UCI belong to the same channel format set.
It should be noted that, the first UCI and the second UCI may include multiple UCIs, and are not limited to one UCI, and overlapping time domain resources may exist between transmission time domain resources of the multiple UCIs.
Optionally, the first UCI includes, for example, scheduling request SR information.
Optionally, the second UCI includes, for example, hybrid automatic repeat request feedback HARQ-ACK information and/or CSI information. The CSI information may include one of periodic CSI, semi-persistent CSI, and aperiodic CSI.
The HARQ-ACK information, i.e. the feedback information of the HARQ, described in the embodiment of the present application may be Acknowledgement (ACK) information or non-acknowledgement (NACK) information.
Optionally, the set of channel formats includes, for example, one or a combination of the following:
a new physical uplink control channel PUCCH format1 of a radio access technology NR;
NR PUCCH format 2；
NR PUCCH format 3；
NR PUCCH format 4。
for example, a first UCI is configured to transmit using PUCCH format 0 or 1, and when there is an overlap in transmission opportunities of a plurality of first UCI and there is a second UCI in the overlapping transmission opportunities, if the second UCI is configured to transmit using PUCCH format2 or 3 or 4, additional transmission resources are configured for the first UCI, which may be transmission resources corresponding to PUCCH format2 or 3 or 4.
It should be noted that the additional transmission resource configured for the first UCI may be used for transmitting the first UCI, and may also be used for transmitting the first UCI and the second UCI.
According to the method, UCI needing to be transmitted is determined, if the UCI needing to be transmitted comprises a first UCI and a second UCI, extra transmission resources configured for the first UCI are determined, channel formats corresponding to the extra transmission resources and channel formats corresponding to the transmission resources of the second UCI belong to the same channel format set, so that when transmission opportunities configured by a plurality of SRs are overlapped and other UCI transmission opportunities simultaneously exist in the overlapped transmission opportunities, each SR is configured to correspond to one extra channel resource, the extra channel resource and the channel resources corresponding to the other UCI belong to the channel resources of the same channel resource, and by transmitting the other UCI on the extra channel resource corresponding to one SR configuration, which SR is implicitly expressed and transmitted simultaneously with the other UCI, a network side can acquire different types of UCI in time.
For example, when the first UCI is SR information and the second UCI is HARQ-ACK information, if SR information and HARQ-ACK information need to be transmitted, if HARQ-ACK is configured to be transmitted using PUCCH format2 or 3 or 4, an additional PUCCH format2 or 3 or 4 resource is configured for each SR information, and the HARQ-ACK information is transmitted in PUCCH format2 or 3 or 4 on the additional PUCCH format2 or 3 or 4 resource corresponding to the triggered SR, so as to implicitly indicate which SR is triggered.
Optionally, the UCI to be transmitted includes a plurality of first UCI, and the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
For example, there are multiple SR information, each independently configured with corresponding configuration parameters.
Optionally, the method further comprises: transmitting one of the plurality of first UCIs and the second UCI using the additional transmission resources.
Optionally, there is an overlap in transmission time domain resources of at least two first UCI of the plurality of first UCI; for example, the same time domain resource exists for the transmission time domain resources of at least two SR information among the plurality of SR information.
Or, there is an overlap in transmission time domain resources of at least two first UCI among the plurality of first UCI, and there is an overlap in transmission time instant of the second UCI and the at least two first UCI. For example, the transmission time domain resources of at least two SR information among the plurality of SR information and the transmission time domain resources of HARQ-ACK information have the same time domain resources.
It should be noted that, when it is determined that the time domain resources of the first UCI and the second UCI do not overlap, the first UCI may select to transmit in the original manner, that is, transmit the first UCI on the resources of the channel format of the original first UCI. The method provided in the embodiment of the present application may also be used to transmit the first UCI information on an additionally configured resource of a channel format in the same channel format set as the second UCI.
Optionally, the method further comprises:
triggering one first UCI of the at least two first UCIs to transmit;
transmitting a second UCI on a transmission resource of the second UCI when the triggered state of the first UCI is negative (negative);
and when the state of the triggered first UCI is positive (positive), transmitting a second UCI on an additional transmission resource corresponding to the triggered first UCI.
For example, a terminal is enabled to have M (M is an integer greater than 1) SR configurations, and the M SR configurations overlap at the same time (that is, the same time domain resource exists), when one SR (denoted as SRx) in the M SR configurations is triggered to transmit, and when SRx is negative (negative), the terminal transmits HARQ-ACK information on a transmission resource of HARQ-ACK; when SRx is positive, the terminal transmits HARQ-ACK information on an additional transmission resource corresponding to SRx.
Optionally, code domain and/or frequency domain resources of at least two of the plurality of first UCIs are different. For example, the SR resources of at least 2 SRs are different (code domain and/or frequency domain).
Correspondingly, on the network side, referring to fig. 2, a method for transmitting uplink control information UCI provided in an embodiment of the present application includes:
s201, determining additional transmission resources configured for a first UCI, and determining transmission resources configured for a second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set;
s202, performing signal detection on the additional transmission resource configured for the first UCI and the transmission resource configured for the second UCI.
Optionally, the determining of the additional transmission resource configured for the first UCI specifically includes: determining additional transmission resources configured for a plurality of first UCI;
wherein, the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, one of the first UCI and the second UCI of the plurality of first UCI are transmitted using the additional transmission resource.
Optionally, the method further comprises:
determining that the UCI transmitted by the UE only includes the second UCI when a signal is detected at the transmission resource of the second UCI;
when a signal is detected on an additional transmission resource configured for a first UCI of the plurality of first UCIs, determining that the UCI transmitted by the UE includes the first UCI and a second UCI, and determining configuration parameters of the first UCI, and detecting the second UCI on the additional transmission resource configured for the first UCI.
For example, the base station side needs to detect on the extra transmission resources corresponding to the M SRs and the transmission resources of at least 1 HARQ-ACK, and when a signal is detected on the transmission resources of the HARQ-ACK, it is determined that the SR is negative; when a signal is detected on the additional transmission resource corresponding to the SRx, the base station may determine that there is an SR transmission for the terminal and the terminal transmits the SRx (i.e., may determine the configuration parameter of the SRx), and detect HARQ-ACK information on the additional transmission resource corresponding to the SRx.
When a plurality of SRs overlap at the same time, that is, the transmission time domain resources of the plurality of SRs have the same time domain resource, the higher layer only triggers one SR to transmit in the physical layer, and when the SR is transmitted simultaneously with other uplink control information (e.g., HARQ-ACK information), there is no clear solution for how to distinguish which SR of the plurality of SRs is transmitted simultaneously with other uplink control information.
In a 5G NR system, the SR may be configured as NR PUCCH format 0 or format1 for transmission. When the SR configuration uses NR PUCCH format 0 or format1 transmission and does not overlap with HARQ-ACK and/or CSI in time domain transmission position, similar to LTE PUCCH format1, the transmission of the SR is transmitted in an on-off-key (OOK) manner, and only when the SR needs to be transmitted, that is, the SR is positive (positive), the terminal transmits the SR on the corresponding SR resource, otherwise, when the SR is negative (negative), the terminal does not transmit a signal. When receiving the SR, the base station adopts non-coherent demodulation to judge whether the signal is transmitted on the SR resource to determine whether the terminal sends the SR. When a plurality of SR configurations exist and time domains are overlapped, only one SR configuration is triggered and transmitted, the triggered SR can be distinguished through different SR resources, and when a base station detects a signal on the corresponding SR resource, the existence of SR transmission and the configuration parameters of the triggered SR can be determined.
When the HARQ-ACK or CSI is transmitted using NR PUCCH format2, 3 or 4, and if the transmission opportunities of the HARQ-ACK and/or CSI and the SR overlap at the time domain transmission position, 1-bit information may be employed to represent the state of the SR, which is concatenated with the bit information of the HARQ-ACK and/or CSI, and transmitted simultaneously on PUCCH format2, 3 or 4 using joint coding; however, when there are a plurality of SRs, the 1-bit SR information cannot express which SR is triggered to be transmitted.
That is to say, in the embodiment of the present application, on the network side, since the additional transmission resource configured for each first UCI corresponds to one set of first UCI configuration parameters, the first UCI configuration parameter corresponding to the transmission resource of the first UCI may be further determined by determining the transmission resource of the detected first UCI. That is to say, when there is a plurality of transmission time domain resources of the first UCI overlapping at the same time, the higher layer may trigger only one of the first UCI to transmit in the physical layer, and when the one first UCI is transmitted simultaneously with other types of UCI (second UCI), by using the technical solution provided in the embodiment of the present application, it may be further distinguished which first UCI of the plurality of first UCI is transmitted simultaneously with other types of uplink control information.
Specific examples are as follows:
assuming that the terminal has two SR configurations SR1 and SR2, and SR1 and SR2 overlap at the same time, and HARQ-ACK configuration uses PUCCH format3 for transmission, the base station also configures PUCCH format3 for SR transmission, i.e., configures one PUCCH format3 resource for each of SR1 and SR 2. When the transmission opportunities configured by SR1 and SR2 overlap with HARQ-ACK at the time domain transmission position, the operation is as follows:
when SR1 is triggered to transmit: when the SR1 is positive, the terminal transmits HARQ-ACK information by adopting PUCCH format3 on PUCCH format3 resources corresponding to SR 1; and when the SR1 is negative, the terminal transmits the HARQ-ACK information by adopting PUCCH format3 on the PUCCH format3 resource corresponding to the HARQ-ACK.
When trigger SR2 is triggered to transmit: when the SR2 is positive, the terminal transmits HARQ-ACK information by adopting PUCCH format3 on PUCCH format3 resources corresponding to SR 2; and when the SR2 is negative, the terminal transmits the HARQ-ACK information by adopting PUCCH format3 on the PUCCH format3 resource corresponding to the HARQ-ACK.
The base station side needs to detect the PUCCH format3 resource corresponding to the HARQ-ACK, the PUCCH format3 resource corresponding to the SR1 and the PUCCH format3 resource corresponding to the SR2, and when a signal is detected on the PUCCH format3 resource corresponding to the HARQ-ACK, the base station determines that no SR is transmitted; when a signal is detected on the PUCCH format3 resource corresponding to SR1, the base station knows that the terminal transmits SR1, and further detects HARQ-ACK on the PUCCH format3 resource corresponding to SR 1; when the signal is detected on the PUCCH format3 resource corresponding to SR2, the base station knows that the terminal transmitted SR2, and further detects HARQ-ACK on the PUCCH format3 resource corresponding to SR 2.
In the above embodiment, only SR and HARQ-ACK overlapping transmission are taken as an example, HARQ-ACK is replaced by CSI or HARQ-ACK and CSI coexist, and the same is also applicable.
Therefore, in this embodiment of the present application, when there are different types of first UCI and second UCI that need to be transmitted simultaneously, additional transmission resources are configured for the first UCI, where a channel format corresponding to the additional transmission resources and a channel format corresponding to a transmission resource of the second UCI belong to the same channel format set, so that when a first UCI is triggered to be transmitted, the second UCI can be transmitted on the additional transmission resource corresponding to the triggered first UCI, and thus the triggered first UCI transmission can be implicitly indicated to exist simultaneously.
Referring to fig. 3, at a terminal side, an apparatus for transmitting uplink control information UCI according to an embodiment of the present application includes:
a memory 31 for storing program instructions;
a processor 32 for calling the program instructions stored in the memory and executing, according to the obtained program:
determining UCI needing to be transmitted;
if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining an additional transmission resource configured for the first UCI, wherein a channel format corresponding to the additional transmission resource and a channel format corresponding to the transmission resource of the second UCI belong to the same channel format set.
Optionally, the UCI to be transmitted includes a plurality of first UCI, and the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, the processor is further configured to: transmitting one of the plurality of first UCIs and the second UCI using the additional transmission resources.
Optionally, there is an overlap in transmission time domain resources of at least two first UCI of the plurality of first UCI;
or, there is an overlap in transmission time domain resources of at least two first UCI among the plurality of first UCI, and there is an overlap in transmission time instant of the second UCI and the at least two first UCI.
Optionally, the method further comprises:
triggering one first UCI of the at least two first UCIs to transmit;
transmitting a second UCI on a transmission resource of the second UCI when the state of the triggered first UCI is negative;
and when the state of the triggered first UCI is positive, transmitting a second UCI on an additional transmission resource corresponding to the triggered first UCI.
Optionally, code domain and/or frequency domain resources of at least two of the plurality of first UCIs are different.
Optionally, the first UCI includes scheduling request, SR, information.
Optionally, the second UCI includes hybrid automatic repeat request feedback HARQ-ACK information and/or CSI information.
Optionally, the set of channel formats includes one or a combination of:
a new physical uplink control channel PUCCH format1 of a radio access technology NR;
NR PUCCH format 2；
NR PUCCH format 3；
NR PUCCH format 4。
correspondingly, referring to fig. 4, on the network side, the apparatus for transmitting uplink control information UCI according to the embodiment of the present application includes:
a memory 41 for storing program instructions;
a processor 42 for calling the program instructions stored in said memory, and executing, according to the obtained program:
determining an additional transmission resource configured for a first UCI and determining a transmission resource configured for a second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set;
signal detection is performed on the additional transmission resources configured for the first UCI and the transmission resources configured for the second UCI.
Alternatively,
the determining of the additional transmission resource configured for the first UCI specifically includes: determining additional transmission resources configured for a plurality of first UCI;
wherein, the additional transmission resource configured for each first UCI corresponds to a set of first UCI configuration parameters.
Optionally, one of the first UCI and the second UCI of the plurality of first UCI are transmitted using the additional transmission resource.
Optionally, the processor is further configured to:
determining that the UCI transmitted by the UE only includes the second UCI when a signal is detected at the transmission resource of the second UCI;
when a signal is detected on an additional transmission resource configured for a first UCI of the plurality of first UCIs, determining that the UCI transmitted by the UE includes the first UCI and a second UCI, and determining configuration parameters of the first UCI, and detecting the second UCI on the additional transmission resource configured for the first UCI.
At a terminal side, referring to fig. 5, another apparatus for transmitting uplink control information UCI provided in an embodiment of the present application includes:
a first unit 51, configured to determine UCI that needs to be transmitted;
a second unit 52, configured to determine, if the UCI required to be transmitted includes the first UCI and the second UCI, an additional transmission resource configured for the first UCI, where a channel format corresponding to the additional transmission resource and a channel format corresponding to a transmission resource of the second UCI belong to the same channel format set.
On the network side, referring to fig. 6, another apparatus for transmitting uplink control information UCI provided in the embodiment of the present application includes:
a determining unit 61, configured to determine additional transmission resources configured for the first UCI and determine transmission resources configured for the second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set;
a detecting unit 62, configured to perform signal detection on the additional transmission resource configured for the first UCI and the transmission resource configured for the second UCI.
Embodiments of the present application provide a computer storage medium for storing computer program instructions for the above-mentioned computing device, which includes a program for executing any of the methods provided by the above-mentioned embodiments of the present application.
The computer storage media may be any available media or data storage device that can be accessed by a computer, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs)), etc.
The method provided by the embodiment of the present application may be applied to a terminal device and may also be applied to a network device, that is, the apparatus provided by the embodiment of the present application includes a terminal device and a network device.
The Terminal device may also be referred to as a User Equipment (User Equipment, abbreviated as "UE"), a Mobile Station (Mobile Station, abbreviated as "MS"), a Mobile Terminal (Mobile Terminal), or the like, and optionally, the Terminal may have a capability of communicating with one or more core networks through a Radio Access Network (RAN), for example, the Terminal may be a Mobile phone (or referred to as a "cellular" phone), a computer with Mobile property, or the like, and for example, the Terminal may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.
A network device may be a base station (e.g., access point) that refers to a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals. The base station may be configured to interconvert received air frames and IP packets as a router between the wireless terminal and the rest of the access network, which may include an Internet Protocol (IP) network. The base station may also coordinate management of attributes for the air interface. For example, the Base Station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Base Station (NodeB) in WCDMA, or an evolved Node B (NodeB or eNB or e-NodeB) in LTE, which is not limited in this embodiment.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (25)

1. A transmission method of Uplink Control Information (UCI), the method comprising:
determining UCI needing to be transmitted;
if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining additional transmission resources configured for the first UCI, wherein channel formats corresponding to the additional transmission resources and channel formats corresponding to the transmission resources of the second UCI belong to the same channel format set; wherein the additional transmission resources are different from resources used when the first UCI is transmitted alone; the UCI to be transmitted comprises a plurality of first UCIs, and the extra transmission resources configured for each first UCI correspond to a group of first UCI configuration parameters.
2. The method of claim 1, further comprising: transmitting one of the plurality of first UCIs and the second UCI using the additional transmission resources.
3. The method of claim 1, wherein there is an overlap in transmission time domain resources of at least two of the plurality of first UCIs;
or, there is an overlap in transmission time domain resources of at least two first UCI among the plurality of first UCI, and there is an overlap in transmission time instant of the second UCI and the at least two first UCI.
4. The method of claim 3, further comprising:
triggering one first UCI of the at least two first UCIs to transmit;
transmitting a second UCI on a transmission resource of the second UCI when the state of the triggered first UCI is negative;
and when the state of the triggered first UCI is positive, transmitting a second UCI on an additional transmission resource corresponding to the triggered first UCI.
5. The method of claim 1, wherein at least two of the plurality of first UCIs have different code domain and/or frequency domain resources.
6. The method of claim 1, wherein the first UCI comprises Scheduling Request (SR) information.
7. The method of claim 1, wherein the second UCI comprises hybrid automatic repeat request feedback (HARQ-ACK) information and/or Channel State Information (CSI).
8. The method of claim 1, wherein the set of channel formats comprises one or a combination of:
a new physical uplink control channel PUCCH format1 of a radio access technology NR;
NR PUCCH format 2；
NR PUCCH format 3；
NR PUCCH format 4。
9. a transmission method of Uplink Control Information (UCI), the method comprising:
determining an additional transmission resource configured for a first UCI and determining a transmission resource configured for a second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set, and the additional transmission resource is different from the resource used when the first UCI is transmitted separately;
performing signal detection on the additional transmission resources configured for the first UCI and the transmission resources configured for the second UCI;
wherein the determining of the additional transmission resource configured for the first UCI specifically includes: determining additional transmission resources configured for a plurality of first UCI; the additional transmission resources configured for each first UCI correspond to a set of first UCI configuration parameters.
10. The method of claim 9, wherein a first UCI and a second UCI of the plurality of first UCIs are transmitted using the additional transmission resources.
11. The method of claim 9, further comprising:
determining that the UCI transmitted by the UE only includes the second UCI when a signal is detected at the transmission resource of the second UCI;
when a signal is detected on an additional transmission resource configured for a first UCI of the plurality of first UCIs, determining that the UCI transmitted by the UE includes the first UCI and a second UCI, and determining configuration parameters of the first UCI, and detecting the second UCI on the additional transmission resource configured for the first UCI.
12. An apparatus for transmitting uplink control information UCI, comprising:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining UCI needing to be transmitted;
if the UCI needing to be transmitted comprises a first UCI and a second UCI, determining additional transmission resources configured for the first UCI, wherein channel formats corresponding to the additional transmission resources and channel formats corresponding to the transmission resources of the second UCI belong to the same channel format set; wherein the additional transmission resources are different from resources used when the first UCI is transmitted alone; the UCI to be transmitted comprises a plurality of first UCIs, and the extra transmission resources configured for each first UCI correspond to a group of first UCI configuration parameters.
13. The apparatus of claim 12, wherein the processor is further configured to: transmitting one of the plurality of first UCIs and the second UCI using the additional transmission resources.
14. The apparatus of claim 12, wherein there is an overlap in transmission time domain resources of at least two of the plurality of first UCIs;
or, there is an overlap in transmission time domain resources of at least two first UCI among the plurality of first UCI, and there is an overlap in transmission time instant of the second UCI and the at least two first UCI.
15. The apparatus of claim 14, wherein the processor is further configured to:
triggering one first UCI of the at least two first UCIs to transmit;
transmitting a second UCI on a transmission resource of the second UCI when the state of the triggered first UCI is negative;
and when the state of the triggered first UCI is positive, transmitting a second UCI on an additional transmission resource corresponding to the triggered first UCI.
16. The apparatus of claim 12, wherein at least two of the plurality of first UCIs differ in code domain and/or frequency domain resources.
17. The apparatus of claim 12, wherein the first UCI comprises scheduling request, SR, information.
18. The apparatus of claim 12, wherein the second UCI comprises hybrid automatic repeat request feedback (HARQ-ACK) information and/or CSI information.
19. The apparatus of claim 12, wherein the set of channel formats comprises one or a combination of:
a new physical uplink control channel PUCCH format1 of a radio access technology NR;
NR PUCCH format 2；
NR PUCCH format 3；
NR PUCCH format 4。
20. an apparatus for transmitting uplink control information UCI, comprising:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining an additional transmission resource configured for a first UCI and determining a transmission resource configured for a second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set, and the additional transmission resource is different from the resource used when the first UCI is transmitted separately;
performing signal detection on the additional transmission resources configured for the first UCI and the transmission resources configured for the second UCI;
wherein the determining of the additional transmission resource configured for the first UCI specifically includes: determining additional transmission resources configured for a plurality of first UCI; the additional transmission resources configured for each first UCI correspond to a set of first UCI configuration parameters.
21. The apparatus of claim 20, wherein a first UCI and a second UCI of the plurality of first UCIs are transmitted using the additional transmission resources.
22. The apparatus of claim 20, wherein the processor is further configured to:
determining that the UCI transmitted by the UE only includes the second UCI when a signal is detected at the transmission resource of the second UCI;
when a signal is detected on an additional transmission resource configured for a first UCI of the plurality of first UCIs, determining that the UCI transmitted by the UE includes the first UCI and a second UCI, and determining configuration parameters of the first UCI, and detecting the second UCI on the additional transmission resource configured for the first UCI.
23. An apparatus for transmitting uplink control information UCI, comprising:
a first unit, configured to determine a UCI that needs to be transmitted;
a second unit, configured to determine, if the UCI required to be transmitted includes the first UCI and the second UCI, an additional transmission resource configured for the first UCI, where a channel format corresponding to the additional transmission resource and a channel format corresponding to a transmission resource of the second UCI belong to the same channel format set; wherein the additional transmission resources are different from resources used when the first UCI is transmitted alone; the UCI to be transmitted comprises a plurality of first UCIs, and the extra transmission resources configured for each first UCI correspond to a group of first UCI configuration parameters.
24. An apparatus for transmitting uplink control information UCI, comprising:
a determining unit, configured to determine an additional transmission resource configured for the first UCI and determine a transmission resource configured for the second UCI; wherein, the channel format corresponding to the additional transmission resource and the channel format corresponding to the transmission resource of the second UCI belong to the same channel format set, and the additional transmission resource is different from the resource used when the first UCI is transmitted separately;
a detection unit, configured to perform signal detection on the additional transmission resource configured for the first UCI and the transmission resource configured for the second UCI;
the determining unit is specifically configured to determine additional transmission resources configured for the plurality of first UCI; the additional transmission resources configured for each first UCI correspond to a set of first UCI configuration parameters.
25. A computer-readable storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of any one of claims 1 to 11.
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