WO2020200204A1 - 信道资源确定方法、信道检测方法及终端 - Google Patents

信道资源确定方法、信道检测方法及终端 Download PDF

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Publication number
WO2020200204A1
WO2020200204A1 PCT/CN2020/082460 CN2020082460W WO2020200204A1 WO 2020200204 A1 WO2020200204 A1 WO 2020200204A1 CN 2020082460 W CN2020082460 W CN 2020082460W WO 2020200204 A1 WO2020200204 A1 WO 2020200204A1
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Prior art keywords
pscch
resource
candidate
resources
terminal
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PCT/CN2020/082460
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English (en)
French (fr)
Inventor
彭淑燕
纪子超
邬华明
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维沃移动通信有限公司
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Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to SG11202110849RA priority Critical patent/SG11202110849RA/en
Priority to BR112021019602A priority patent/BR112021019602A2/pt
Priority to JP2021558006A priority patent/JP7206417B2/ja
Priority to EP20781797.4A priority patent/EP3952184A4/en
Priority to KR1020217035820A priority patent/KR20210143317A/ko
Publication of WO2020200204A1 publication Critical patent/WO2020200204A1/zh
Priority to US17/490,334 priority patent/US20220022169A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/382Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0038Blind format detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • H04L5/0039Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver

Definitions

  • the present disclosure relates to the field of communication technology, in particular to a method for determining channel resources, a method for channel detection, and a terminal.
  • Side link refers to the link between the terminal and the terminal for direct communication without going through the network.
  • the New Radio (NR) sidelink contains the following channels:
  • PSCCH Physical Sidelink Control Channel
  • Physical sidelink shared channel Physical Sidelink Shared CHannel, PSSCH.
  • Physical Sidelink Broadcast Channel Physical Sidelink Broadcast CHannel, PSBCH.
  • Physical sidelink feedback channel Physical Sidelink Discovery CHannel, PSFCH.
  • NR's PSCCH and PSSCH mapping methods support Time Division Multiplexing (TDM) multiplexing methods, and NR PSSCH already supports the subchannel structure. But whether PSCCH supports subchannel and how to configure it is still inconclusive.
  • Two-step PSCCH may be considered in NR. In the two-step PSCCH, whether there is a connection between the first part of the PSCCH and the second part of the PSCCH, there is no specific design plan. This application takes the NR system as an example. Other systems may also have the above-mentioned problems and still need to be solved.
  • the embodiments of the present disclosure provide a method for determining channel resources, a method for channel detection, and a terminal, so as to solve the problem that there is no specific design scheme for PSCCH resource configuration and resource mapping in related technologies.
  • a method for determining channel resources, applied to a terminal includes:
  • the candidate resource Acquiring a candidate resource of the physical side link control channel PSCCH; the candidate resource is in a subchannel of the PSCCH; or, the candidate resource is in a subchannel of the physical side link shared channel PSSCH resource selected by the terminal; Or, the candidate resource is in the frequency domain range of the PSSCH resource selected by the terminal; or, the candidate resource is in a resource set;
  • one subchannel has continuous frequency domain resources.
  • Some embodiments of the present disclosure also provide a channel detection method applied to a terminal, including:
  • the terminal blindly detects the first part of the PSCCH, and determines whether to detect the second part of the PSCCH according to the blind detection result;
  • the terminal blindly detects the first part of PSCCH and the second part of PSCCH.
  • Some embodiments of the present disclosure also provide a terminal, including:
  • the acquiring module is used to acquire the candidate resource of the physical side link control channel PSCCH; the candidate resource is in the subchannel of the PSCCH; or, the candidate resource is the physical side link shared channel PSSCH resource selected by the terminal Or, the candidate resource is in the frequency domain of the PSSCH resource selected by the terminal; or, the candidate resource is in a resource set;
  • a resource determining module configured to determine the transmission resource of the PSCCH to be transmitted according to the candidate resource
  • one subchannel has continuous frequency domain resources.
  • Some embodiments of the present disclosure also provide a terminal, including:
  • the detection module is used to blindly detect the first part of the PSCCH, and determine whether to detect the second part of the PSCCH according to the blind detection result; or, to blindly detect the first part of the PSCCH and the second part of the PSCCH.
  • Some embodiments of the present disclosure also provide a terminal, including a processor, a memory, and a program stored on the memory and capable of running on the processor.
  • the program When the program is executed by the processor, the above The steps of the method for determining channel resources as described above; or, the steps of the method for channel detection as described above are implemented when the program is executed by the processor.
  • Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the method for determining channel resources as described above are implemented; or When the computer program is executed by the processor, the steps of the channel detection method described above are implemented.
  • the resource mapping mode of PSCCH by defining the resource mapping mode of PSCCH, it can be applied to independent PSCCH transmission and the configuration of related PSSCH in the same scheduling unit, which can balance the relationship between system overhead and resource utilization.
  • FIG. 1 shows a flowchart of steps of a method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 2 shows one of the schematic diagrams of Example 1 of the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 3 shows the second schematic diagram of Example 1 of the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 4 shows the third schematic diagram of Example 1 of the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 5 shows the fourth schematic diagram of Example 1 of the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 6 shows the fifth schematic diagram of Example 1 of the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 7 shows one of the schematic diagrams of Example 3 in the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 8 shows the second schematic diagram of Example 3 in the method for determining channel resources provided by some embodiments of the present disclosure
  • FIG. 9 shows a schematic diagram of the steps of a channel detection method provided by some embodiments of the present disclosure.
  • FIG. 10 shows one of the schematic diagrams of Example 4 of some embodiments of the present disclosure.
  • FIG. 11 shows the second schematic diagram of Example 4 of some embodiments of the present disclosure.
  • FIG. 12 shows one of the schematic diagrams of Example 5 of some embodiments of the present disclosure.
  • FIG. 13 shows the second schematic diagram of Example 5 of some embodiments of the present disclosure
  • FIG. 14 shows one of the schematic diagrams of Example 6 of some embodiments of the present disclosure.
  • FIG. 15 shows the second schematic diagram of Example 6 of some embodiments of the present disclosure
  • FIG. 16 shows one of the schematic diagrams of Example 7 of some embodiments of the present disclosure.
  • FIG. 17 shows the second schematic diagram of Example 7 of some embodiments of the present disclosure.
  • FIG. 18 shows one of the schematic diagrams of Example 8 of some embodiments of the present disclosure.
  • FIG. 19 shows the second schematic diagram of Example 8 of some embodiments of the present disclosure.
  • Example 8 shows the third schematic diagram of Example 8 of some embodiments of the present disclosure.
  • FIG. 21 shows the fourth schematic diagram of Example 8 of some embodiments of the present disclosure.
  • FIG. 22 shows a schematic diagram of Example 9 of some embodiments of the present disclosure.
  • FIG. 23 shows a schematic diagram of Example 11 provided by some embodiments of the present disclosure.
  • FIG. 24 shows one of the schematic structural diagrams of a terminal provided by some embodiments of the present disclosure.
  • FIG. 25 shows the second structural diagram of a terminal provided by some embodiments of the present disclosure.
  • FIG. 26 shows the third structural diagram of a terminal provided by some embodiments of the present disclosure.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present disclosure should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • the network-side equipment provided in the embodiments of the present disclosure may be a base station, which may be a commonly used base station, an evolved node base station (eNB), or a network-side equipment in a 5G system (for example, the following Equipment such as next generation node base station (gNB) or transmission and reception point (TRP) or cell.
  • eNB evolved node base station
  • 5G system for example, the following Equipment such as next generation node base station (gNB) or transmission and reception point (TRP) or cell.
  • gNB next generation node base station
  • TRP transmission and reception point
  • the terminal provided by the embodiments of the present disclosure may be a mobile phone, a tablet computer, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), a netbook, a wearable device (Wearable Device), a vehicle-mounted device, or a personal digital assistant (Personal Digital Assistant). Digital Assistant, PDA) etc.
  • UMPC Ultra-Mobile Personal Computer
  • netbook a wearable device
  • Vehicle-mounted device or a personal digital assistant (Personal Digital Assistant).
  • PDA Personal Digital Assistant
  • an embodiment of the present disclosure provides a method for determining channel resources, which is applied to a terminal, and includes:
  • Step 101 Obtain a candidate resource of the physical side link control channel PSCCH; the candidate resource is in the sub-channel of the PSCCH; or, the candidate resource is a sub-channel of the physical side link shared channel PSSCH resource selected by the terminal In the channel; or, the candidate resource is in the frequency domain range of the PSSCH resource selected by the terminal; or, the candidate resource is in a resource set.
  • one subchannel has continuous frequency domain resources, and the length of the continuous frequency domain resources of one subchannel can be pre-configured or agreed in advance, which is not specifically limited here.
  • the resource set includes a preset time-frequency resource, and the preset time-frequency resource includes PSCCH candidate resources of N terminals, and N is an integer greater than or equal to 1.
  • the sub-channel may be a sub-channel of PSCCH or a sub-channel of PSSCH.
  • the candidate resources are in at least one sub-channel; for example, the PSSCH includes 4 sub-channels, and the first 3 sub-channels have PSCCH candidate resources, or all 4 sub-channels have PSCCH candidate resources.
  • the candidate resource being within the frequency domain range of the PSSCH selected by the terminal specifically refers to: the frequency domain range of the candidate resource cannot exceed the frequency domain range of the PSSCH; for example, the frequency domain of the PSCCH
  • the range of the domain is the PRB identified as 0-49, 10 PRBs are one subchannel, that is, the PSCCH includes 5 subchannels, and the frequency domain range of PSCCH candidate resources can be 0-20 PRBs, or 0-30 PRB and so on, but the frequency domain range of PSCCH candidate resources cannot be PRBs identified as 50 and above.
  • the resource set is a predefined physical time-frequency resource (the frequency domain range of the time-frequency resource may exceed the frequency domain range of the PSSCH, or may be within the frequency domain range of the PSSCH. Specific limitations are made), the terminal determines PSCCH candidate resources in the resource set.
  • the candidate resources may be part of the resource set or the entire resource set, which is not specifically limited here.
  • the resource set may include candidate resources of one terminal, or may include candidate resources of multiple terminals (that is, multiple terminals share a resource set).
  • Step 102 Determine the transmission resource of the PSCCH to be transmitted according to the candidate resource.
  • the terminals mentioned in the embodiments of the present disclosure include: the sending terminal and the receiving terminal in Sidelink.
  • the sending terminal determines the transmission resource of the PSCCH to be transmitted according to its own measurement results or according to the auxiliary information reported by other terminals/devices. Select the transmission resource of the PSCCH with transmission; the receiving terminal determines the transmission resource according to its own measurement results and feeds it back to the sending terminal.
  • the PSCCH may be transmitted in a one-step manner (that is, the PSCCH is directly transmitted), or may be transmitted in a two-step manner (that is, the first part of the PSCCH and the second part of the PSCCH are transmitted).
  • step 102 includes:
  • the transmission resource of the PSCCH to be transmitted is selected from the candidate resources.
  • the PSCCH includes the first part of PSCCH and the second part of PSCCH
  • Step 102
  • the transmission resources of the first part of PSCCH to be transmitted and the transmission resources of the second part of PSCCH to be transmitted are selected from the PSCCH candidate resources.
  • the selection of the transmission resource of the first part of PSCCH to be transmitted and the transmission resource of the second part of PSCCH to be transmitted from the candidate resources includes:
  • the second part of PSCCH is mapped to obtain the transmission resources of the second part of PSCCH.
  • the transmission resources of the first part of PSCCH and the second part of PSCCH transmission resources are in the same candidate resource, which may be the same sub-channel or different sub-channels.
  • Step 102 includes:
  • the method further includes: selecting a second part of PSCCH transmission resources to be transmitted on the PSSCH resource selected by the terminal.
  • selecting the transmission resource of the second part of PSCCH to be transmitted on the PSSCH resource of the transmission data selected by the terminal includes:
  • the second part of PSCCH is mapped from the first offset value of the first PRB of the first subchannel of the PSSCH to obtain the transmission resource of the second part of PSCCH;
  • the granularity of the first offset value is PRB, for example, offset 1. 1 PRB, 2 PRB, etc.;
  • the second part of PSCCH is mapped from the first PRB of the subchannel of the second offset value of the first subchannel of the PSSCH to obtain the transmission resource of the second part of PSCCH;
  • the granularity of the second offset value is the subchannel, For example, offset 1 sub-channel, 2 sub-channels, etc.;
  • the first PRB is the highest PRB or the lowest PRB; the first subchannel is the lowest subchannel or the highest subchannel of the PSSCH.
  • step 102 includes:
  • PSCCH candidate resources, the first part of the PSCCH candidate resources, and the second part of the PSCCH candidate resources may be pre-defined by the protocol or pre-configured by the network or configured by the network or configured by the terminal, and the network is pre-configured or
  • the same signaling can be used during network configuration, or different signaling can be used to configure separately, which is specifically limited here.
  • selecting a transmission resource from the candidate resources includes:
  • the transmission resource is selected from the candidate resources
  • the channel parameters of the channel to be transmitted include:
  • Time domain resource information of the channel to be transmitted and, frequency domain resource information of the channel to be transmitted;
  • the candidate resource is a PSCCH candidate resource
  • the transmission resource is a PSCCH transmission resource
  • the channel to be transmitted is a PSCCH
  • the candidate resource is the PSCCH candidate resource
  • the transmission resource is the transmission resource of the first part of the PSCCH
  • the channel to be transmitted is the first part of the PSCCH
  • the candidate resource is the candidate resource of the first part of PSCCH
  • the transmission resource is the transmission resource of the first part of PSCCH
  • the channel to be transmitted is the first part of PSCCH
  • the candidate resources are candidate resources of the second part of PSCCH
  • the transmission resources are the second part of PSCCH transmission resources
  • the channel to be transmitted is the second part of PSCCH.
  • the foregoing selection of transmission resources among candidate resources includes:
  • the transmission resource of the second part of PSCCH is selected from the candidate resources of the second part of PSCCH according to the channel parameters of the second part of PSCCH.
  • channel parameters of the channel to be transmitted are pre-defined by the protocol or pre-configured by the network or configured by the network or configured by the terminal.
  • time domain resource information of the channel to be transmitted includes at least one of the following:
  • the number of time-domain symbols can be time slots, subframes, symbols, or frames.
  • Time domain resource pattern for example, the terminal can be multiplexed in a time slot or a short time slot, for example, mapping according to the terminal ID to reduce interference.
  • the frequency domain resource information of the channel to be transmitted includes at least one of the following:
  • Frequency domain resource patterns such as multiple frequency domain allocation methods, can match PSCCHs of different aggregation levels AL; for another example, the frequency domain uses every other resource block RB as the pattern, that is, the even-numbered RB or the odd-numbered RB RB matches a PSCCH of aggregation level.
  • the first resource unit is the lowest resource unit or the highest resource unit of the resource pool selected by the terminal; or, the first resource unit is the lowest resource unit or the highest resource unit of the PSSCH resource selected by the terminal.
  • the granularity of the first resource unit may be a resource block RB, a subchannel, a resource particle RE, a resource block group RBG, etc., which are not specifically limited here.
  • the channel parameters of the channel to be transmitted further include:
  • Time division multiplexing and/or frequency division multiplexing are the resource multiplexing modes when the transmission resource is selected for the transmission channel, that is, multiple terminals in the same resource pool can use time-division multiplexing and/or frequency-division multiplexing.
  • the transmission resource of the channel to be transmitted is the resource multiplexing modes when the transmission resource is selected for the transmission channel, that is, multiple terminals in the same resource pool can use time-division multiplexing and/or frequency-division multiplexing.
  • Example 1 (Time-domain resource mapping based on time-domain resource information to determine the time-domain part of the transmission resource)
  • an automatic gain control (AGC) symbol is mapped on the first symbol, and control information is mapped after the AGC symbol/second symbol (the control information is carried through the PSCCH).
  • AGC automatic gain control
  • the AGC symbol is mapped on the first symbol, and the control information is mapped after the AGC symbol/the second symbol (the control information is carried by PSCCH); the GP symbol is mapped on the N+1th symbol, and N is greater than Or an integer equal to 2.
  • the control information is carried by PSCCH
  • the GP symbol is mapped on the N+1th symbol, and N is greater than Or an integer equal to 2.
  • control information does not perform rate matching for AGC (control information is used for AGC), and the control information is mapped from the first symbol; as shown in Figure 5, the GP symbol is mapped at the Nth symbol, and N is greater than Or an integer equal to 2.
  • Example 2 Mapping frequency domain resources according to frequency domain resource information to determine the frequency domain part of the transmission resource
  • mapping in PSCCH candidate resources; or, mapping on subchannels; for example, the frequency domain part of the transmission resource is: the lowest or highest PSCCH candidate resource in the frequency domain corresponding to the PSSCH selected by the terminal, or the terminal selected The lowest or highest first part of PSCCH candidate resources in the corresponding frequency domain of the PSSCH.
  • time-division multiplexing TDM AGC symbol is mapped on the first symbol; control information is mapped after the AGC symbol/second symbol; GP is mapped on the N+2 symbol (N is equal to 2 in Figure 6); Map the AGC symbol on the N+3th symbol; map the control information after the AGC symbol or the N+4th symbol; map the GP on the 2N+5th symbol.
  • multiple control information may exist on the same frequency domain resource in the same time slot or short time slot.
  • frequency division multiplexing FDM AGC symbol is mapped to the first symbol, GP is mapped to the last symbol, and multiple control information is mapped to different frequency bands of the symbols in the middle (corresponding to SA1-SA5 in Figure 7) .
  • time division multiplexing + frequency division multiplexing the AGC symbol is mapped on the first symbol, the AGC symbol is mapped on the Mth symbol, and the number of symbols between the first symbol and the Mth symbol
  • the frequency domain is divided into two frequency bands, which are used to map SA1 and SA2 respectively; M is an integer greater than 3.
  • TDM+FDM mode multiple control information can exist on the same frequency domain resource in the same time slot or short time slot.
  • the method further includes:
  • the first part of PSCCH carries the second part of PSCCH resource information; the second part of PSCCH resource information includes at least one of the following:
  • the second part is the number of symbols occupied by the time domain resources of the PSCCH
  • the second part is the number of PRBs occupied by frequency domain resources of the PSCCH;
  • the second part is the number of sub-channels occupied by the frequency domain resources of the PSCCH;
  • the second part is the frequency domain offset value of PSCCH.
  • the receiving terminal can detect the PSCCH according to the resource information of the second part of the PSCCH carried in the first part of the PSCCH, without blindly detecting the second part of the PSCCH, reducing detection complexity and improving detection efficiency.
  • the method further includes:
  • the configuring the reference signal of the first part of the PSCCH includes:
  • the configuring the reference signal of the second part of the PSCCH includes:
  • the configuration information of the second part of the PSCCH can be carried in the first part of the PSCCH, so that the receiving terminal can correctly obtain the reference signal of the second part of the PSCCH Configuration;
  • the configuration information of the reference signal of the PSSCH is used to configure the reference signal of the second part of the PSCCH.
  • the configuration of the reference signal of the second part of the PSSCH is known; it can be the configuration of the reference signal of the second part of the PSSCH in the first part of the PSCCH, or a default Configuration.
  • step 101 includes:
  • the first configuration information includes at least one of the following:
  • the first configuration information further includes at least one of the following:
  • step 101 includes:
  • PSCCH and PSSCH can use the same subchannel configuration or different subchannel configurations .
  • step 101 includes:
  • PSCCH candidate resources are in the PSSCH subchannel pattern
  • PSCCH candidate resources in PSSCH resources The size of PSCCH candidate resources in PSSCH resources
  • the PSCCH candidate resources are in the PSSCH resource pattern.
  • the network uses system information block SIB or radio resource control RRC signaling or downlink control information DCI signaling or main system information block MIB configuration, here No specific restrictions.
  • step 101 includes:
  • the configuration signaling is applicable to the resource pool included in the BWP; the first configuration signaling carries configuration parameters based on the BWP configuration, and the PSCCH candidate resources are configured in units of resource pools. Both resource pools use the same configuration parameters.
  • step 101 includes: obtaining second configuration signaling of the resource pool, the configuration signaling is applicable to the resource pool; the second configuration signaling carries configuration parameters based on the configuration of the resource pool, and each word channel in the resource pool Use the same configuration parameters;
  • step 101 includes: acquiring third configuration signaling of a PSCCH subchannel, where the third configuration information is applicable to the PSCCH subchannel;
  • step 101 includes: obtaining fourth configuration signaling corresponding to the target aggregation level, where the fourth configuration signaling is applicable to the PSCCH corresponding to the target aggregation level;
  • the first configuration signaling, the second configuration signaling, the third configuration signaling, or the fourth configuration signaling is used to configure the PSCCH candidate resources.
  • the resource mapping method of PSCCH in the above-mentioned embodiment of the present disclosure, it can be applied to independent PSCCH transmission and the configuration of related PSSCH in the same scheduling unit, and can balance the system overhead and resource utilization. relationship.
  • some embodiments of the present disclosure also provide a channel detection method applied to a terminal, including:
  • Step 901 The terminal blindly detects the first part of the PSCCH, and determines whether to detect the second part of the PSCCH according to the blind detection result; or, the terminal blindly detects the first part of PSCCH and the second part of PSCCH.
  • the terminal blindly detects the first part of the PSCCH, and determines whether to detect the second part of the PSCCH according to the blind detection result, including:
  • the terminal blindly checks the first part of the PSCCH
  • the second part of PSCCH is detected according to the second part of PSCCH information
  • the demodulation of the first part of the PSCCH fails, stop detecting the second part of the PSCCH; in the case of correlation between the first part of the PSCCH and the second part of the PSCCH, for example: the first part includes resource allocation, but the second part of PSCCH does not include PSSCH resource allocation information, then the second part of PSCCH does not need to be demodulated.
  • the blind detection of the first part of the PSCCH and the second part of the PSCCH by the terminal includes: the terminal uses a fixed size to perform blind detection on the configured first part of PSCCH resources; the terminal performs the blind detection on the configured first part of PSCCH resources according to a set of predetermined control sizes.
  • Blind detection is performed on the PSCCH resources in the second part; when applied to a resource reservation scenario, even if the first part of the resource reservation information is lost, the PSCCH related to the second part scheduling PSSCH may still be detected successfully. It can improve a certain probability of detection success, but it will increase the complexity of the blind detection of the receiving terminal.
  • the size of the second part of the PSCCH and the resource mapping position may be configured more flexibly.
  • some embodiments of the present disclosure also define a two-step PSCCH transmission detection method, which can balance the relationship between system overhead and resource utilization.
  • candidate resources of PSCCH are configured in a resource pool, and terminals in the resource pool can send PSCCH in the candidate resources.
  • the transmitting terminal starts mapping the PSCCH from the lowest PRB of the PSCCH candidate resource
  • the receiving terminal starts blind detection of the PSCCH from the lowest PRB of the PSCCH candidate resources.
  • PSCCH candidate resources are configured in a resource pool, and terminals in the resource pool can send PSCCH in the candidate resources.
  • PSCCH 1 The first part of the PSCCH (ie PSCCH 1) is mapped from the lowest PRB of the PSCCH candidate resource;
  • PSCCH 2 The second part of the PSCCH (ie PSCCH 2) starts to be mapped after the transmission resources of the first part of the PSCCH.
  • the receiving terminal blindly detects PSCCH 1 in the lowest PRB of the defined candidate resource.
  • the receiving terminal determines the size of PSCCH 2 according to the demodulation information of PSCCH 1. After the resources of PSCCH1, blindly check the information of PSCCH2. (The size of PSCCH 2 is indicated in PSCCH 1)
  • PSCCH 2 After the receiving terminal receives the resources of PSCCH 1, blindly detects the information of PSCCH 2.
  • the size of PSCCH 2 is a preset value or several values are used for blind detection).
  • PSCCH candidate resources are configured in the subchannels of the PSSCH of the resource pool.
  • PSCCH 1 The first part of the PSCCH (ie PSCCH 1) starts to be mapped on the PSCCH candidate resource in the lowest subchannel of the corresponding PSSCH;
  • PSCCH 2 The second part of the PSCCH (ie PSCCH 2) starts to be mapped after the transmission resources of the first part of the PSCCH.
  • PSCCH candidate resources are configured in the PSSCH subchannels of the resource pool, which are configured as PSCCH type 1 (type 1) resources or PSCCH type 2 (type 2) resources.
  • PSCCH 1 The first part of the PSCCH (ie PSCCH 1) is mapped sequentially from the PSCCH type 1 resource of the lowest subchannel of the corresponding PSSCH;
  • PSCCH 2 The second part of the PSCCH (ie PSCCH 2) is mapped in order from the PSCCH type 2 resource of the lowest subchannel of the corresponding PSSCH.
  • PSCCH candidate resources are configured in the resource pool.
  • the first part of PSCCH (ie PSCCH 1) is mapped from the lowest PRB of the PSCCH candidate resource; the first part of PSCCH indicates the time-frequency resource location and DMRS configuration of the second part of PSCCH (ie PSCCH 2) mapping.
  • the receiving terminal receives the second part of PSCCH information on the time-frequency resource indicated in the first part of PSCCH (that is, PSCCH 1).
  • the first part of the PSCCH (ie PSCCH 1) starts to be mapped from the PSSCH subchannel boundary offset by a preset value (offset), which is assumed to be a resource reservation indication.
  • the first part of the PSCCH carries information such as the resource indication and size of the second part of the PSCCH (ie PSCCH 2).
  • the receiving terminal blindly detects the first part of the PSCCH; if the demodulation is successful, the second part of the PSCCH is received according to the relevant information in the demodulated first part of the PSCCH; if the demodulation fails, the terminal blindly detects the second part of the PSCCH.
  • PSCCH 1 The first part of the PSCCH (ie, PSCCH 1) is mapped from the PSSCH subchannel boundary offset by a preset value (offset), and it is assumed to be a resource reservation indication.
  • the first part of the PSCCH carries information such as the resource indication and size of the second part of the PSCCH (ie PSCCH 2).
  • the receiving terminal blindly detects the first part of the PSCCH; if the demodulation fails, the second part of the PSCCH is not detected.
  • the probability of resource collision will increase to a certain extent.
  • a resource set where candidate resources of PSCCH are located is configured in a resource pool, and terminals (for example, terminal 1 and terminal 2) in the resource pool can select transmission resources from the resource set and send PSCCH.
  • the transmitting terminal starts mapping the PSCCH from the lowest PRB of any subchannel of the PSCCH candidate resources.
  • some embodiments of the present disclosure further provide a terminal 200 including:
  • the obtaining module 201 is configured to obtain a candidate resource of the physical side link control channel PSCCH; the candidate resource is in a subchannel of the PSCCH; or, the candidate resource is in the physical side link shared channel PSSCH selected by the terminal In the sub-channel of the resource; or, the candidate resource is in the frequency domain of the PSSCH resource selected by the terminal; or, the candidate resource is in a resource set;
  • the resource determining module 202 is configured to determine the transmission resource of the PSCCH to be transmitted according to the candidate resource;
  • one subchannel has continuous frequency domain resources.
  • the resource determination module includes:
  • the first resource selection submodule is used to select the transmission resource of the PSCCH to be transmitted from the candidate resources.
  • the resource determination module includes:
  • the second resource selection sub-module is used to select the transmission resource of the first part of PSCCH to be transmitted and the second part of PSCCH to be transmitted from the PSCCH candidate resources when the PSCCH includes the first part of PSCCH and the second part of PSCCH PSCCH transmission resources.
  • the second resource selection submodule includes:
  • the first unit is used to select the transmission resource of the first part of the PSCCH to be transmitted among the candidate resources;
  • the second unit is used to sequentially map the second part of PSCCH after the transmission resources of the first part of PSCCH to be transmitted to obtain the second part of PSCCH transmission resources.
  • the resource determining module includes:
  • the first selection module is configured to select the transmission resources of the first part of the PSCCH to be transmitted among the candidate resources of the PSCCH;
  • the terminal also includes:
  • the second selection module is configured to select the transmission resources of the second part of the PSCCH to be transmitted on the PSSCH resources of the transmission data selected by the terminal.
  • the second selection module includes:
  • the first PRB is the highest PRB or the lowest PRB; the first subchannel is the lowest subchannel or the highest subchannel of the PSSCH.
  • the candidate resources of the PSCCH include the first part of PSCCH candidate resources and the second part of PSCCH candidate resources .
  • the resource determining module includes:
  • the third selection module is configured to select the transmission resource of the first part of PSCCH to be transmitted among the candidate resources of the first part of PSCCH;
  • the fourth selection module is configured to select the transmission resource of the second part of PSCCH to be transmitted among the candidate resources of the second part of PSCCH.
  • the terminal further includes:
  • the selection module is used to select transmission resources among the candidate resources according to the channel parameters of the channel to be transmitted;
  • the channel parameters include:
  • Time domain resource information of the channel to be transmitted and, frequency domain resource information of the channel to be transmitted;
  • the candidate resource is a PSCCH candidate resource
  • the transmission resource is a PSCCH transmission resource
  • the channel to be transmitted is a PSCCH
  • the candidate resource is the PSCCH candidate resource
  • the transmission resource is the transmission resource of the first part of the PSCCH
  • the channel to be transmitted is the first part of the PSCCH
  • the candidate resource is the candidate resource of the first part of PSCCH
  • the transmission resource is the transmission resource of the first part of PSCCH
  • the channel to be transmitted is the first part of PSCCH
  • the candidate resources are candidate resources of the second part of PSCCH
  • the transmission resources are the second part of PSCCH transmission resources
  • the channel to be transmitted is the second part of PSCCH.
  • the time domain resource information of the channel to be transmitted includes at least one of the following:
  • the frequency domain resource information of the channel to be transmitted includes at least one of the following:
  • the first resource unit is the lowest resource unit or the highest resource unit of the resource pool selected by the terminal; or, the first resource unit is the lowest resource unit or the highest resource unit of the PSSCH resource selected by the terminal.
  • the first part of PSCCH carries resource information of the second part of PSCCH;
  • the second part of PSCCH resource information includes at least one of the following:
  • the second part is the number of symbols occupied by the time domain resources of the PSCCH
  • the second part is the number of PRBs occupied by frequency domain resources of the PSCCH;
  • the second part is the number of sub-channels occupied by the frequency domain resources of the PSCCH;
  • the second part is the frequency domain offset value of PSCCH.
  • the terminal further includes:
  • the first configuration module is configured to configure the reference signal of the first part of the PSCCH
  • the second configuration module is used to configure the reference signal of the second part of the PSCCH.
  • the first configuration module includes:
  • the first sub-module is used to obtain the configuration information of the reference signal of the first part of the PSCCH that is pre-defined in the protocol or in the network pre-configuration or network configuration or configured by the terminal;
  • the second submodule is configured to configure the reference signal of the first part of the PSCCH according to the configuration information of the reference signal of the first part of the PSCCH.
  • the second configuration module includes:
  • the third sub-module is configured to configure the reference signal of the second part of the PSCCH by using the same configuration information as the configuration information used for the reference signal of the first part of the PSCCH;
  • the configuration information of the reference signal of the PSSCH is used to configure the reference signal of the second part of the PSCCH.
  • the acquisition module includes:
  • the first obtaining submodule is used to obtain first configuration information of protocol pre-defined or network pre-configuration or network configuration or terminal configuration; wherein the first configuration information includes at least one of the following:
  • the first configuration information further includes at least one of the following:
  • the acquisition module includes:
  • the second acquisition sub-module is used to acquire the candidate resource of the PSCCH on at least one subchannel of the PSSCH that is pre-defined by the protocol or pre-configured by the network or configured by the network or configured by the terminal;
  • it is used to obtain the offset value of the PSCCH candidate resource relative to the PSSCH subchannel that is pre-defined in the protocol or pre-configured by the network or configured by the network or the terminal;
  • a candidate resource on at least one subchannel of the PSCCH that is pre-defined by the protocol or pre-configured by the network or configured by the network or configured by the terminal.
  • the acquisition module includes:
  • the third acquiring submodule is used to acquire second configuration information of protocol pre-defined or network pre-configuration or network configuration or terminal configuration, wherein the second configuration information includes at least one of the following:
  • PSCCH candidate resources are in the PSSCH subchannel pattern
  • the PSCCH candidate resources are in the PSSCH resource pattern.
  • the acquisition module includes:
  • the fourth acquisition submodule is used to acquire the first configuration signaling of the bandwidth part of the BWP, where the configuration signaling is applicable to the resource pool included in the BWP;
  • second configuration signaling used to obtain a resource pool, where the configuration signaling is applicable to the resource pool
  • third configuration signaling used to obtain the subchannel of the PSCCH, where the third configuration information is applicable to the subchannel of the PSCCH;
  • the first configuration signaling, the second configuration signaling, the third configuration signaling, or the fourth configuration signaling is used to configure the PSCCH candidate resources.
  • the terminal provided by some embodiments of the present disclosure can implement each process implemented by the terminal in the method embodiments of FIG. 1 to FIG. 21. To avoid repetition, details are not described herein again.
  • the resource mapping method of PSCCH in the above embodiments of the present disclosure, it can be applied to independent PSCCH transmission and the configuration of related PSSCH in the same scheduling unit, and can balance the relationship between system overhead and resource utilization. .
  • the terminal provided by some embodiments of the present disclosure is a terminal capable of executing the above-mentioned channel resource determination method, and all the embodiments of the above-mentioned channel resource determination method are applicable to the terminal, and can achieve the same or similar benefits. effect.
  • some embodiments of the present disclosure further provide a terminal 300, including:
  • the detection module 301 is used to blindly detect the first part of PSCCH, and determine whether to detect the second part of PSCCH according to the blind detection result; or, to blindly detect the first part of PSCCH and the second part of PSCCH.
  • the detection module includes:
  • the first detection sub-module is used to blindly detect the first part of the PSCCH
  • the second detection sub-module is configured to detect the second part of the PSCCH according to the second part of PSCCH information if the first part of PSCCH is successfully demodulated and obtain the second part of PSCCH information; or, if the first part of PSCCH is decoded If the tuning fails, stop detecting the second part of the PSCCH.
  • some embodiments of the present disclosure also define a two-step PSCCH transmission detection method, which can balance the relationship between system overhead and resource utilization.
  • the terminal provided by some embodiments of the present disclosure is a terminal capable of executing the above-mentioned channel detection method, and all the embodiments of the above-mentioned channel detection method are applicable to the terminal and can achieve the same or similar beneficial effects.
  • the terminal 400 includes but is not limited to: a radio frequency unit 401, a network module 402, an audio output unit 403, an input unit 404, a sensor 405, a display unit 406, User input unit 407, interface unit 408, memory 409, processor 410, power supply 411 and other components.
  • a radio frequency unit 401 includes but is not limited to: a radio frequency unit 401, a network module 402, an audio output unit 403, an input unit 404, a sensor 405, a display unit 406, User input unit 407, interface unit 408, memory 409, processor 410, power supply 411 and other components.
  • terminal structure shown in FIG. 25 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components.
  • terminals include, but are not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, and pedometers.
  • the radio frequency unit 401 is configured to obtain a candidate resource of the physical side link control channel PSCCH; the candidate resource is in a sub-channel of the PSCCH; or, the candidate resource is shared by the physical side link selected by the terminal Channel PSSCH resource in the sub-channel; or, the candidate resource is in the frequency domain range of the PSSCH resource selected by the terminal; or, the candidate resource is in a resource set;
  • the processor 410 is configured to determine the transmission resource of the PSCCH to be transmitted according to the candidate resource; wherein, one subchannel has continuous frequency domain resources.
  • the resource mapping method of PSCCH in the above embodiments of the present disclosure, it can be applied to independent PSCCH transmission and the configuration of related PSSCH in the same scheduling unit, and can balance the relationship between system overhead and resource utilization. .
  • the terminal provided by some embodiments of the present disclosure is a terminal capable of executing the above-mentioned channel resource determination method, and all the embodiments of the above-mentioned channel resource determination method are applicable to the terminal, and can achieve the same or similar benefits. effect.
  • the processor 410 is configured to blindly detect the first part of PSCCH, and determine whether to detect the second part of PSCCH according to the blind detection result; or, to blindly check the first part of PSCCH and the second part of PSCCH;
  • some embodiments of the present disclosure also define a two-step PSCCH transmission detection method, which can balance the relationship between system overhead and resource utilization.
  • the terminal provided by some embodiments of the present disclosure is a terminal capable of executing the above-mentioned channel detection method, and all the embodiments of the above-mentioned channel detection method are applicable to the terminal and can achieve the same or similar beneficial effects.
  • the radio frequency unit 401 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving downlink data from the base station, it is processed by the processor 410; , Send the uplink data to the base station.
  • the radio frequency unit 401 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 401 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 402, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 403 can convert the audio data received by the radio frequency unit 401 or the network module 402 or stored in the memory 409 into audio signals and output them as sounds. Moreover, the audio output unit 403 may also provide audio output related to a specific function performed by the terminal 400 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 403 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 404 is used to receive audio or video signals.
  • the input unit 404 may include a graphics processing unit (GPU) 4041 and a microphone 4042.
  • the graphics processor 4041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame can be displayed on the display unit 406.
  • the image frame processed by the graphics processor 4041 may be stored in the memory 409 (or other storage medium) or sent via the radio frequency unit 401 or the network module 402.
  • the microphone 4042 can receive sound and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 401 in the case of a telephone call mode for output.
  • the terminal 400 also includes at least one sensor 405, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 4061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 4061 and/or when the terminal 400 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal posture (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 405 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared Sensors, etc., will not be repeated here.
  • the display unit 406 is used to display information input by the user or information provided to the user.
  • the display unit 406 may include a display panel 4061, and the display panel 4061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 407 can be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 407 includes a touch panel 4071 and other input devices 4072.
  • the touch panel 4071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 4071 or near the touch panel 4071. operating).
  • the touch panel 4071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 410, the command sent by the processor 410 is received and executed.
  • the touch panel 4071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 407 may also include other input devices 4072.
  • other input devices 4072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 4071 can cover the display panel 4061.
  • the touch panel 4071 detects a touch operation on or near it, it transmits it to the processor 410 to determine the type of the touch event.
  • the type of event provides corresponding visual output on the display panel 4061.
  • the touch panel 4071 and the display panel 4061 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 4071 and the display panel 4061 can be integrated. Realize the input and output functions of the terminal, which are not limited here.
  • the interface unit 408 is an interface for connecting an external device with the terminal 400.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 408 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 400 or may be used to communicate between the terminal 400 and the external device. Transfer data between.
  • the memory 409 can be used to store software programs and various data.
  • the memory 409 may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 409 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 410 is the control center of the terminal. It uses various interfaces and lines to connect various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 409, and calling data stored in the memory 409. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 410 may include one or more processing units; optionally, the processor 410 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 410.
  • the terminal 400 may also include a power source 411 (such as a battery) for supplying power to various components.
  • a power source 411 such as a battery
  • the power source 411 may be logically connected to the processor 410 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal 400 includes some functional modules not shown, which will not be repeated here.
  • some embodiments of the present disclosure further provide a terminal, including a processor, a memory, and a program stored in the memory and running on the processor, and when the program is executed by the processor, the foregoing channel resource determination is implemented.
  • a terminal including a processor, a memory, and a program stored in the memory and running on the processor, and when the program is executed by the processor, the foregoing channel resource determination is implemented.
  • Some embodiments of the present disclosure further provide a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, each process of the above-mentioned channel resource determination method embodiment is implemented, and can achieve The same technical effect is not repeated here in order to avoid repetition.
  • the computer readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • some embodiments of the present disclosure further provide a terminal, including a processor, a memory, and a program stored in the memory and running on the processor, and when the program is executed by the processor, the foregoing channel detection method is implemented
  • a terminal including a processor, a memory, and a program stored in the memory and running on the processor, and when the program is executed by the processor, the foregoing channel detection method is implemented
  • Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, each process of the above-mentioned channel detection method embodiment is realized, and the same In order to avoid repetition, I won’t repeat them here.
  • the computer readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, Other electronic units or combinations thereof that perform the functions described in the present disclosure.
  • ASICs application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure can be implemented by modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the purpose of the present disclosure can also be realized by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the purpose of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
  • the storage medium may be any well-known storage medium or any storage medium developed in the future. It should also be pointed out that, in the device and method of the present disclosure, obviously, each component or each step can be decomposed and/or recombined.
  • the technical solution of the present disclosure essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present disclosure.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

本公开提供一种信道资源确定方法、信道检测方法及终端,该方法包括:获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;根据所述候选资源,确定待传输的PSCCH的传输资源。

Description

信道资源确定方法、信道检测方法及终端
相关申请的交叉引用
本申请主张在2019年4月2日在中国提交的中国专利申请号No.201910263036.1的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域,尤其是指一种信道资源确定方法、信道检测方法及终端。
背景技术
旁链路(sidelink,或译为侧链路,边链路,副链路等)是指终端和终端之间不通过网络,进行直连通信的链路。
新空口(New Radio,NR)sidelink中包含如下信道:
物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)。
物理旁链路共享信道(Physical Sidelink Shared CHannel,PSSCH)。
物理旁链路广播信道(Physical Sidelink Broadcast CHannel,PSBCH)。
物理旁链路反馈信道(Physical Sidelink Discovery CHannel,PSFCH)。
NR的PSCCH和PSSCH的映射方式支持时分复用(Time Division Multiplexing,TDM)的复用方式,NR PSSCH已经支持了子信道(subchannel)的结构。但是PSCCH是否支持subchannel,以及如何配置,还没有结论。在NR中可能会考虑两步的PSCCH。两步PSCCH中,第一部分PSCCH和第二部分PSCCH之间是否存在联系,并没有具体的设计方案。本申请以NR系统为例,其他系统亦可能存在上述问题,依然需要解决。
发明内容
本公开实施例提供一种信道资源确定方法、信道检测方法及终端,以解决相关技术中PSCCH的资源配置以及资源映射方式没有具体设计方案的问题。
为了解决上述技术问题,本公开是这样实现的:一种信道资源确定方法,应用于终端,包括:
获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;
根据所述候选资源,确定待传输的PSCCH的传输资源;
其中,一个子信道具有连续的频域资源。
本公开的一些实施例还提供了一种信道检测方法,应用于终端,包括:
所述终端盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH;
或者,
所述终端盲检第一部分PSCCH和第二部分PSCCH。
本公开的一些实施例还提供了一种终端,包括:
获取模块,用于获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;
资源确定模块,用于根据所述候选资源,确定待传输的PSCCH的传输资源;
其中,一个子信道具有连续的频域资源。
本公开的一些实施例还提供一种终端,包括:
检测模块,用于盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH;或者,用于盲检第一部分PSCCH和第二部分PSCCH。
本公开的一些实施例还提供了一种终端,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如上所述的信道资源确定方法的步骤;或者,所述程序被所述处理器执行时实现如上所述的信道检测方法的步骤。
本公开的一些实施例还提供一种计算机可读存储介质,所述计算机可读 存储介质上存储计算机程序,所述计算机程序被处理器执行时实现如上所述的信道资源确定方法的步骤;或者,所述计算机程序被处理器执行时实现如上所述的信道检测方法的步骤。
在本公开的一些实施例中,通过定义PSCCH的资源映射方式,可以适用于独立的PSCCH传输以及同一调度单元内存在相关PSSCH的配置的情况,可以平衡系统开销和资源利用率之间的关系。
附图说明
为了更清楚地说明本公开实施例的技术方案,下面将对本公开实施例的描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1表示本公开的一些实施例提供的信道资源的确定方法的步骤流程图;
图2表示本公开的一些实施例提供的信道资源的确定方法中示例一的示意图之一;
图3表示本公开的一些实施例提供的信道资源的确定方法中示例一的示意图之二;
图4表示本公开的一些实施例提供的信道资源的确定方法中示例一的示意图之三;
图5表示本公开的一些实施例提供的信道资源的确定方法中示例一的示意图之四;
图6表示本公开的一些实施例提供的信道资源的确定方法中示例一的示意图之五;
图7表示本公开的一些实施例提供的信道资源的确定方法中示例三的示意图之一;
图8表示本公开的一些实施例提供的信道资源的确定方法中示例三的示意图之二;
图9表示本公开的一些实施例提供的信道检测方法的步骤示意图;
图10表示本公开的一些实施例的示例四的示意图之一;
图11表示本公开的一些实施例的示例四的示意图之二;
图12表示本公开的一些实施例的示例五的示意图之一;
图13表示本公开的一些实施例的示例五的示意图之二;
图14表示本公开的一些实施例的示例六的示意图之一;
图15表示本公开的一些实施例的示例六的示意图之二;
图16表示本公开的一些实施例的示例七的示意图之一;
图17表示本公开的一些实施例的示例七的示意图之二;
图18表示本公开的一些实施例的示例八的示意图之一;
图19表示本公开的一些实施例的示例八的示意图之二;
图20表示本公开的一些实施例的示例八的示意图之三;
图21表示本公开的一些实施例的示例八的示意图之四;
图22表示本公开的一些实施例的示例九的示意图;
图23表示本公开的一些实施例提供的示例十一的示意图;
图24表示本公开的一些实施例提供的终端的结构示意图之一;
图25表示本公开的一些实施例提供的终端的结构示意图之二;以及
图26表示本公开的一些实施例提供的终端的结构示意图之三。
具体实施方式
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本公开一部分实施例,而不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
在本公开实施例中,“示例性的”或者“例如”等词用于表示作例子、例证或说明。本公开实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言,使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
本公开实施例提供的网络侧设备可以为基站,该基站可以为通常所用的基站,也可以为演进型基站(evolved node base station,eNB),还可以为5G系统中的网络侧设备(例如下一代基站(next generation node base station,gNB) 或发送和接收点(transmission and reception point,TRP))或者小区cell等设备。
本公开实施例提供的终端可以为手机、平板电脑、笔记本电脑、超级移动个人计算机(Ultra-Mobile Personal Computer,UMPC)、上网本、可穿戴式设备(Wearable Device)、车载设备或者个人数字助理(Personal Digital Assistant,PDA)等。需要说明的是,在本公开实施例中并不限定终端的具体类型。本公开实施例中以LTE以及NR系统为例,然不限于此系统,本公开提供的技术方案可以应用于存在相同问题的其他系统。
如图1所示,本公开实施例提供一种信道资源确定方法,应用于终端,包括:
步骤101,获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内。
其中,一个子信道具有连续的频域资源,一个子信道的连续的频域资源的长度可预先配置或预先约定,在此不做具体限定。所述资源集包括预设时频资源,所述预设时频资源内包含N个终端的PSCCH的候选资源,N为大于或者等于1的整数。
作为一个可选实施例,子信道可以是PSCCH的子信道,也可以是PSSCH的子信道。候选资源至少在一个子信道内;例如,PSSCH包括4个子信道,在前3个子信道中分别有PSCCH的候选资源,或者,在4个子信道中均有PSCCH的候选资源。
作为另一个可选实施例,所述候选资源在所述终端选择的PSSCH的频域范围内具体指:所述候选资源的频域范围不能超过所述PSSCH的频域范围;例如,PSCCH的频域范围内为标识为0-49的PRB,10个PRB为一个子信道,即PSCCH包括5个子信道,PSCCH的候选资源的频域范围可以是0-20的PRB,也可以是0-30的PRB等等,但是PSCCH的候选资源的频域范围不能是标识为50及以上的PRB。
作为又一个可选实施例,资源集为预定义的一个物理的时频资源(该时 频资源的频域范围可以超出PSSCH的频域范围,也可以在PSSCH的频域范围内,在此不做具体限定),终端在该资源集中确定PSCCH的候选资源,该候选资源可以是资源集的部分资源也可以是整个资源集,在此不做具体限定。该资源集可以包含一个终端的候选资源,也可以包含多个终端的候选资源(即多个终端共享一个资源集)。
步骤102,根据所述候选资源,确定待传输的PSCCH的传输资源。
需要说明的是,本公开实施例中提及的终端包括:Sidelink中的发送终端和接收终端,发送终端根据自己的测量结果确定待传输的PSCCH的传输资源或根据其他终端/设备上报的辅助信息选择带传输的PSCCH的传输资源;接收终端根据自己的测量结果确定传输资源,并反馈给发送终端。
作为一个可选实施例,本公开的一些实施例中PSCCH可以采用一步的方式传输(即直接传输PSCCH),也可以采用两步的方式传输(即传输第一部分PSCCH和第二部分PSCCH)。
在所述PSCCH采用一步的方式传输的情况下,步骤102包括:
在所述候选资源中选择待传输的PSCCH的传输资源。
在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,第一部分PSCCH的传输资源和第二部分PSCCH的传输资源的确定方式至少存在以下三种方式:
方式一:即步骤102:
在所述PSCCH候选资源中选择待传输的第一部分PSCCH的传输资源和待传输的第二部分PSCCH的传输资源。
可选的,所述在所述候选资源中选择待传输的第一部分PSCCH的传输资源和待传输的第二部分PSCCH的传输资源,包括:
在所述候选资源中选择待传输的第一部分PSCCH的传输资源;
在待传输的第一部分PSCCH的传输资源之后,映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源。
此种方式下,第一部分PSCCH的传输资源和第二部分PSCCH的传输资源在相同的候选资源中,可以是相同的子信道,也可以是不同的子信道。
方式二,步骤102包括:
在所述PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
所述方法还包括:在所述终端选择的所述PSSCH资源上选择待传输的第二部分PSCCH的传输资源。
可选的,在所述终端选择的传输数据的所述PSSCH资源上选择待传输的第二部分PSCCH的传输资源,包括:
从PSSCH的第一物理资源块PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
或者,
从PSSCH的第一子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
或者,
从PSSCH的第一子信道的第一PRB的第一偏移值开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;该第一偏移值的粒度为PRB,例如偏移1个PRB,2个PRB等;
或者,
从PSSCH的第一子信道的第二偏移值的子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;该第二偏移值的粒度为子信道,例如偏移1个子信道,2个子信道等;
其中,第一PRB为最高PRB或最低PRB;所述第一子信道为PSSCH的最低子信道或最高子信道。
方式三:在所述PSCCH的候选资源包括第一部分PSCCH的候选资源和第二部分PSCCH的候选资源的情况下,步骤102包括:
在所述第一部分PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
在所述第二部分PSCCH的候选资源中选择待传输的第二部分PSCCH的传输资源。
需要说明的是,上述PSCCH的候选资源、第一部分PSCCH的候选资源、第二部分PSCCH的候选资源可以是协议预定义的或者网络预配置的或者网络配置的或者终端配置的,且网络预配置或网络配置时可以使用同一信令, 也可以使用不同的信令分别配置,在此做具体限定。
作为一个可选实施例,在候选资源中选择传输资源,包括:
根据待传输信道的信道参数,在候选资源中选择传输资源;
其中,待传输信道的信道参数包括:
待传输信道的时域资源信息;以及,待传输信道的频域资源信息;
其中,候选资源为PSCCH的候选资源、传输资源为PSCCH的传输资源,待传输信道为PSCCH;
或者,
候选资源为PSCCH的候选资源、传输资源为第一部分PSCCH的传输资源,待传输信道为第一部分PSCCH;
或者,
候选资源为第一部分PSCCH的候选资源、传输资源为第一部分PSCCH的传输资源,待传输信道为第一部分PSCCH;
或者,
候选资源为第二部分PSCCH的候选资源、传输资源为第二部分PSCCH的传输资源,待传输信道为第二部分PSCCH。
换言之,上述在候选资源中选择传输资源,包括:
根据PSCCH的信道参数在PSCCH的候选资源中选择PSCCH的传输资源;
或者,根据第一部分PSCCH的信道参数在PSCCH的候选资源中选择第一部分PSCCH的传输资源;
或者,根据第一部分PSCCH的信道参数在第一部分PSCCH的候选资源中选择第一部分PSCCH的传输资源;
或者,根据第二部分PSCCH的信道参数在第二部分PSCCH的候选资源中选择第二部分PSCCH的传输资源。
需要说明的是,待传输信道的信道参数是通过协议预定义的或者网络预配置的或者网络配置的或者终端配置的。
进一步的,所述待传输信道的时域资源信息包括下述至少一项:
时域符号数目;时域符号数目的单位可以是时隙、子帧、符号或帧。
时域符号起始位置;
时域符号结束位置;
时域资源样式,例如终端可以复用在一个时隙或一个短时隙,例如根据终端ID进行映射等来降低干扰。
进一步的,所述待传输信道的频域资源信息包括下述至少一项:
频域资源的数目;
频域资源的起始位置;
频域资源的结束位置;
频域资源的起始位置相对于第一资源单位的偏移值;
频域资源的结束位置相对于第一资源单位的偏移值;
频域资源样式,例如多个频域的分配方法,可以匹配不同聚合等级AL的PSCCH;再例如,频域为每隔一个资源块RB为样式,也就是编号为偶数的RB或者编号为奇数的RB匹配一个聚合等级的PSCCH。
其中,第一资源单位为所述终端选择的资源池的最低资源单位或最高资源单位;或者,所述第一资源单位为所述终端选择的PSSCH资源的最低资源单位或最高资源单位。
需要说明的是,第一资源单元的粒度可以是资源块RB、子信道、资源粒子RE、资源块组RBG等,在此不做具体限定。
可选的,所述待传输信道的信道参数还包括:
时分复用和/或频分复用。其中,时分复用和/或频分复用为待传输信道选择传输资源时的资源复用方式,即同一个资源池内的多个终端可以采用时分复用和/或频分复用的方式选择待传输信道的传输资源。
为了更清楚的描述在候选资源中选择传输资源的方法,下面结合几个示例进行详细描述:
示例一(根据时域资源信息进行时域资源映射,确定传输资源的时域部分)
如图2所示,在第一个符号上映射自动增益控制(Automatic Gain Control,AGC)符号,在AGC符号后/第二个符号映射控制信息(控制信息通过PSCCH携带)。在同一个时隙或短时隙内,传输对于同一个终端的PSSCH的控制信 息的情况下,不存在保护间隔GP。
如图3所示,在第一个符号上映射AGC符号,在AGC符号后/第二个符号映射控制信息(控制信息通过PSCCH携带);在第N+1个符号映射GP符号,N为大于或者等于2的整数。对应独立的PSCCH或者后续映射相应的反馈信息的情况下,存在GP。
如图4所示,控制信息不对AGC做速率匹配(控制信息用于做AGC),从第一个符号开始映射控制信息;如图5所示,在第N个符号映射GP符号,N为大于或者等于2的整数。
示例二(根据频域资源信息进行频域资源映射,确定传输资源的频域部分)
在PSCCH的候选资源中映射;或者,在子信道上映射;例如,传输资源的频域部分为:终端所选择的PSSCH相应的频域范围内最低或最高的PSCCH候选资源,或者,终端所选择的PSSCH相应的频域范围内最低或最高的第一部分PSCCH候选资源。
需要说明的是,在一个时隙内或一个短时隙内,相同的频域资源上只存在一个控制信息(即PSCCH)。
示例三(时分复用和/或频分复用)
如图6所示,时分复用TDM:在第一个符号映射AGC符号;在AGC符号后/第2个符号映射控制信息;在第N+2符号映射GP(图6中N等于2);在第N+3符号映射AGC符号;在AGC符号后或第N+4符号映射控制信息;在第2N+5个符号上映射GP。TDM的方式下,同一个时隙或短时隙内,相同的频域资源上可以存在多个控制信息。
如图7所示,频分复用FDM:在第一个符号映射AGC符号,在最后一个符号映射GP,在中间的符号的不同频段分别映射多个控制信息(对应图7中SA1-SA5)。
如图8所示,时分复用+频分复用:在第一个符号映射AGC符号,在第M个符号映射AGC符号,在第一个符号与第M个符号之间的多个符号的频域范围划分为两个频段,分别用于映射SA1和SA2;M为大于3的整数。TDM+FDM的方式下,同一个时隙或短时隙内,相同的频域资源上可以存在 多个控制信息。
作为一个可选实施例,所述方法还包括:
在所述第一部分PSCCH中携带第二部分PSCCH的资源信息;所述第二部分PSCCH的资源信息包括下述至少一项:
第二部分PSCCH的时域资源起始位置;
第二部分PSCCH的时域资源结束位置;
第二部分PSCCH的时域资源占用的符号数目;
第二部分PSCCH的频域资源起始位置;
第二部分PSCCH的频域资源结束位置;
第二部分PSCCH的频域资源占用的PRB数目;
第二部分PSCCH的频域资源占用的子信道的数目;
第二部分PSCCH的时域偏移值;
第二部分PSCCH的频域偏移值。
接收终端可以根据第一部分PSCCH携带的第二部分PSCCH的资源信息对PSCCH进行检测,无需对第二部分PSCCH进行盲检,降低检测复杂度,提升检测效率。
进一步的,针对两步PSCCH的传输,本公开的上述实施例中,所述方法还包括:
对所述第一部分PSCCH的参考信号进行配置;
对所述第二部分PSCCH的参考信号进行配置。
可选的,所述对第一部分PSCCH的参考信号进行配置,包括:
获取协议预定义或网络预配置或网络配置或终端配置所述第一部分PSCCH的参考信号的配置信息;
根据所述第一部分PSCCH的参考信号的配置信息对所述第一部分PSCCH的参考信号进行配置。
可选的,所述对第二部分PSCCH的参考信号进行配置,包括:
采用与所述第一部分PSCCH的参考信号使用的配置信息相同的配置信息对所述第二部分PSCCH的参考信号进行配置;此种情况下,可仅配置一个配置信息,第一部分PSCCH的参考信号和第二部分PSCCH的参考信号均使 用该配置信息进行配置;
或者,
对第二部分PSCCH的参考信号进行独立配置,此种配置方式下,可在第一部分PSCCH中携带第二部分PSCCH的参考信号的配置信息,以使得接收终端能够正确获取第二部分PSCCH的参考信号的配置;
或者,
采用所述PSSCH的参考信号的配置信息对所述第二部分PSCCH的参考信号进行配置。
换言之,接收终端解调第二部分PSCCH时,第二部分PSSCH的参考信号的配置是已知的;可以是在第一部分PSCCH中指示第二部分PSSCH的参考信号的配置,或者是一种默认的配置。
作为一个可选实施例,步骤101包括:
获取协议预定义或网络预配置或网络配置或终端配置的第一配置信息;其中,所述第一配置信息包括下述至少一项:
资源集的大小;
资源集的起始位置;
资源集的结束位置;
可选的,所述第一配置信息还包括下述至少一项:
PSCCH的聚合等级;
PSCCH的候选资源大小;
PSCCH的候选资源数目;
PSCCH的候选资源位置;
第一部分PSCCH的候选资源大小;
第一部分PSCCH的候选资源数目;
第一部分PSCCH的候选资源位置;
第二部分PSCCH的候选资源大小;
第二部分PSCCH的候选资源数目;
第二部分PSCCH的候选资源位置。
作为另一个可选实施例,步骤101包括:
获取协议预定义或网络预配置或网络配置的或终端配置的PSCCH在PSSCH的至少一个子信道上的候选资源;
或者,
获取协议预定义或网络预配置或网络配置或终端配置的PSCCH的候选资源相对于所述终端选择的传输数据的PSSCH的子信道(PSSCH的最高或最低子信道)的偏移值;
或者,
获取协议预定义或网络预配置或网络配置的或终端配置的PSCCH在PSCCH的至少一个子信道上的候选资源;PSCCH和PSSCH可以采用相同的子信道的配置,也可以采用不同的子信道的配置。
作为又一个可选实施例,步骤101包括:
获取协议预定义或网络预配置或网络配置或终端配置的第二配置信息,其中,所述第二配置信息包括下述至少一项:
PSCCH的候选资源在PSSCH子信道内的大小;
PSCCH的候选资源在PSSCH子信道内的起始位置;
PSCCH的候选资源在PSSCH子信道内的结束位置;
PSCCH的候选资源在PSSCH子信道内的数目;
PSCCH的候选资源在PSSCH子信道的样式;
PSCCH的候选资源在PSSCH资源内的大小;
PSCCH的候选资源在PSSCH资源内的起始位置;
PSCCH的候选资源在PSSCH资源内的结束位置;
PSCCH的候选资源在PSSCH资源内的数目;
PSCCH的候选资源在PSSCH资源的样式。
需要说明的是,上述所有实施例中提及的网络配置的具体方式为:网络通过系统信息块SIB或无线资源控制RRC信令或下行控制信息DCI信令或主系统信息块MIB配置,在此不做具体限定。
需要说明的是,本公开的一些实施例提供下述四种配置PSCCH候选资源的方式,即步骤101包括:
获取带宽部分BWP的第一配置信令,所述配置信令适用于BWP包含的 资源池;第一配置信令携带基于BWP配置的配置参数,PSCCH的候选资源是以资源池为单位配置,每个资源池采用相同的配置参数。
或者,步骤101包括:获取资源池的第二配置信令,所述配置信令适用于所述资源池;第二配置信令携带基于资源池配置的配置参数,资源池中的每个字信道采用相同的配置参数;
或者,步骤101包括:获取PSCCH的子信道的第三配置信令,所述第三配置信息适用于所述PSCCH的子信道;
或者,步骤101包括:获取目标聚合等级对应的第四配置信令,所述第四配置信令适用于目标聚合等级对应的PSCCH;
其中,第一配置信令或第二配置信令或第三配置信令或第四配置信令用于配置PSCCH的候选资源。
综上,本公开的上述实施例中通过定义PSCCH的资源映射方式,可以适用于独立的PSCCH传输以及同一个调度单元内存在相关PSSCH的配置的情况,可以平衡系统开销和资源利用率之间的关系。
如图9所示,本公开的一些实施例还提供一种信道检测方法,应用于终端,包括:
步骤901,所述终端盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH;或者,所述终端盲检第一部分PSCCH和第二部分PSCCH。
可选的,所述终端盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH,包括:
所述终端盲检第一部分PSCCH;
若对第一部分PSCCH解调成功且获得第二部分PSCCH的信息,根据所述第二部分PSCCH的信息对第二部分PSCCH进行检测;
若对第一部分PSCCH解调失败,停止检测所述第二部分PSCCH;在第一部分PSCCH和第二部分PSCCH中有关联性的情况下,例如:第一部分包括资源分配,但是第二部分PSCCH不包括PSSCH的资源分配信息,那么第二部分PSCCH也没有必要解调了。
进一步的,所述终端盲检第一部分PSCCH和第二部分PSCCH,包括:终端用固定的大小,在配置的第一部分PSCCH资源上进行盲检;终端根据预 定的一些控制大小的集合,在配置的第二部分的PSCCH资源上进行盲检;应用于资源预留场景,就算第一部分资源预留信息丢失,第二部分调度PSSCH相关的PSCCH依然可能检测成功。可以提高一定的检测成功概率,但是会提高接收终端盲检的复杂度,第二部分PSCCH的大小,资源映射位置可能都可以配置的更灵活。
综上,本公开的一些实施例还定义了两步PSCCH传输的检测方法,可以平衡系统开销和资源利用率之间的关系。
为了更清楚的描述本公开的一些实施例提供的信道资源确定方法和信道检测方法,下面结合几个示例进行描述:
示例四
如图10和图11所示,在资源池(resource pool)中配置PSCCH的候选资源,该资源池中的终端可以在候选资源中发送PSCCH。
发送终端从PSCCH的候选资源的最低PRB开始映射PSCCH;
接收终端从PSCCH的候选资源的最低PRB开始盲检PSCCH。
示例五
如图12和图13所示,在资源池(resource pool)中配置PSCCH的候选资源,该资源池中的终端可以在候选资源中发送PSCCH。
第一部分PSCCH(即PSCCH 1)从PSCCH的候选资源的最低PRB开始映射;
第二部分PSCCH(即PSCCH 2)从第一部分PSCCH的传输资源后开始映射。
接收终端在定义的候选资源的最低PRB盲检PSCCH 1。
接收终端根据PSCCH 1的解调信息,确定PSCCH 2的大小。在PSCCH1的资源后,盲检PSCCH 2的信息。(PSCCH 2的大小在PSCCH 1中指示)
或者,接收终端从PSCCH 1资源后,盲检PSCCH 2的信息。(PSCCH 2的大小为预设的值或者用几个值进行盲检)。
示例六
如图14和图15所示,在资源池(resource pool)的PSSCH的子信道内配置PSCCH的候选资源。
第一部分PSCCH(即PSCCH 1)从对应的PSSCH的最低子信道中的PSCCH候选资源上开始映射;
第二部分PSCCH(即PSCCH 2)从第一部分PSCCH的传输资源后开始映射。
示例七
如图16和图17所示,在资源池(resource pool)的PSSCH的子信道内配置PSCCH的候选资源,配置为PSCCH type1(类型1)资源或者PSCCH type2(类型2)资源。
第一部分PSCCH(即PSCCH 1)从对应的PSSCH的最低子信道的PSCCH type1资源上开始按顺序映射;
第二部分PSCCH(即PSCCH 2)从对应的PSSCH的最低子信道的PSCCH type2资源上开始按顺序映射。
示例八
如图18、图19、图20和图21所示,在资源池(resource pool)中配置PSCCH候选资源。
第一部分PSCCH(即PSCCH 1)从PSCCH候选资源的最低PRB开始映射;第一部分PSCCH中指示第二部分PSCCH(即PSCCH 2)的映射的时频资源位置,DMRS配置。
接收终端在第一部分PSCCH(即PSCCH 1)中指示的时频资源上接收第二部分PSCCH的信息。
示例九
如图22所示,第一部分PSCCH(即PSCCH 1)从PSSCH子信道的边界偏移预设值(offset)开始映射,假设为资源预留指示。
第一部分PSCCH中携带第二部分PSCCH(即PSCCH 2)的资源指示,大小等信息。
接收终端盲检第一部分PSCCH;若解调成功,根据解调的第一部分PSCCH中相关信息接收第二部分PSCCH;若解调失败终端盲检第二部分PSCCH。
示例十
第一部分PSCCH(即PSCCH 1)从PSSCH子信道的边界偏移预设值(offset)开始映射,假设为资源预留指示。
第一部分PSCCH中携带第二部分PSCCH(即PSCCH 2)的资源指示,大小等信息。
接收终端盲检第一部分PSCCH;若解调失败,不检测第二部分PSCCH。
此种示例下,资源碰撞概率会有一定的增加。
示例十一
如图23所示,在资源池(resource pool)中配置PSCCH的候选资源所在的资源集,该资源池中的终端(例如终端1和终端2)可以在资源集中选择传输资源并发送PSCCH。
发送终端从PSCCH的候选资源任一个子信道的最低PRB开始映射PSCCH。
如图24所示,本公开的一些实施例还提供一种终端200包括:
获取模块201,用于获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;
资源确定模块202,用于根据所述候选资源,确定待传输的PSCCH的传输资源;
其中,一个子信道具有连续的频域资源。
可选的,本公开的上述实施例中,所述资源确定模块包括:
第一资源选择子模块,用于在所述候选资源中选择待传输的PSCCH的传输资源。
可选的,本公开的上述实施例中,所述资源确定模块包括:
第二资源选择子模块,用于在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,在所述PSCCH候选资源中选择待传输的第一部分PSCCH的传输资源和待传输的第二部分PSCCH的传输资源。
可选的,本公开的上述实施例中,所述第二资源选择子模块包括:
第一单元,用于在所述候选资源中选择待传输的第一部分PSCCH的传输 资源;
第二单元,用于在待传输的第一部分PSCCH的传输资源之后,顺序映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源。
可选的,本公开的上述实施例中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,所述资源确定模块包括:
第一选择模块,用于在所述PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
所述终端还包括:
第二选择模块,用于在所述终端选择的传输数据的所述PSSCH资源上选择待传输的第二部分PSCCH的传输资源。
可选的,本公开的上述实施例中,所述第二选择模块包括:
选择子模块,用于从PSSCH的第一物理资源块PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
或者,用于从PSSCH的第一子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
或者,用于从PSSCH的第一子信道的第一PRB的第一偏移值开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
或者,用于从PSSCH的第一子信道的第二偏移值的子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
其中,第一PRB为最高PRB或最低PRB;所述第一子信道为PSSCH的最低子信道或最高子信道。
可选的,本公开的上述实施例中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH,所述PSCCH的候选资源包括第一部分PSCCH的候选资源和第二部分PSCCH的候选资源的情况下,所述资源确定模块包括:
第三选择模块,用于在所述第一部分PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
第四选择模块,用于在所述第二部分PSCCH的候选资源中选择待传输的第二部分PSCCH的传输资源。
可选的,本公开的上述实施例中,所述终端还包括:
选择模块,用于根据待传输信道的信道参数,在候选资源中选择传输资源;
其中,信道参数包括:
待传输信道的时域资源信息;以及,待传输信道的频域资源信息;
其中,候选资源为PSCCH的候选资源、传输资源为PSCCH的传输资源,待传输信道为PSCCH;
或者,
候选资源为PSCCH的候选资源、传输资源为第一部分PSCCH的传输资源,待传输信道为第一部分PSCCH;
或者,
候选资源为第一部分PSCCH的候选资源、传输资源为第一部分PSCCH的传输资源,待传输信道为第一部分PSCCH;
或者,
候选资源为第二部分PSCCH的候选资源、传输资源为第二部分PSCCH的传输资源,待传输信道为第二部分PSCCH。
可选的,本公开的上述实施例中,所述待传输信道的时域资源信息包括下述至少一项:
时域符号数目;
时域符号起始位置;
时域符号结束位置;
时分复用样式。
可选的,本公开的上述实施例中,所述待传输信道的频域资源信息包括下述至少一项:
频域资源的数目;
频域资源的起始位置;
频域资源的结束位置;
频域资源的起始位置相对于第一资源单位的偏移值;
频域资源的结束位置相对于第一资源单位的偏移值;
频分复用样式;
其中,第一资源单位为所述终端选择的资源池的最低资源单位或最高资源单位;或者,所述第一资源单位为所述终端选择的PSSCH资源的最低资源单位或最高资源单位。
可选的,本公开的上述实施例中,所述第一部分PSCCH中携带第二部分PSCCH的资源信息;所述第二部分PSCCH的资源信息包括下述至少一项:
第二部分PSCCH的时域资源起始位置;
第二部分PSCCH的时域资源结束位置;
第二部分PSCCH的时域资源占用的符号数目;
第二部分PSCCH的频域资源起始位置;
第二部分PSCCH的频域资源结束位置;
第二部分PSCCH的频域资源占用的PRB数目;
第二部分PSCCH的频域资源占用的子信道的数目;
第二部分PSCCH的时域偏移值;
第二部分PSCCH的频域偏移值。
可选的,本公开的上述实施例中,所述终端还包括:
第一配置模块,用于对所述第一部分PSCCH的参考信号进行配置;
第二配置模块,用于对所述第二部分PSCCH的参考信号进行配置。
可选的,本公开的上述实施例中,所述第一配置模块包括:
第一子模块,用于获取协议预定义或网络预配置或网络配置或终端配置所述第一部分PSCCH的参考信号的配置信息;
第二子模块,用于根据所述第一部分PSCCH的参考信号的配置信息对所述第一部分PSCCH的参考信号进行配置。
可选的,本公开的上述实施例中,所述第二配置模块包括:
第三子模块,用于采用与所述第一部分PSCCH的参考信号使用的配置信息相同的配置信息对所述第二部分PSCCH的参考信号进行配置;
或者,用于对第二部分PSCCH的参考信号进行独立配置;
或者,用于采用所述PSSCH的参考信号的配置信息对所述第二部分PSCCH的参考信号进行配置。
可选的,本公开的上述实施例中,所述获取模块包括:
第一获取子模块,用于获取协议预定义或网络预配置或网络配置或终端配置的第一配置信息;其中,所述第一配置信息包括下述至少一项:
资源集的大小;
资源集的起始位置;
资源集的结束位置;
可选的,本公开的上述实施例中,所述第一配置信息还包括下述至少一项:
PSCCH的聚合等级;
PSCCH的候选资源大小;
PSCCH的候选资源数目;
PSCCH的候选资源位置;
第一部分PSCCH的候选资源大小;
第一部分PSCCH的候选资源数目;
第一部分PSCCH的候选资源位置;
第二部分PSCCH的候选资源大小;
第二部分PSCCH的候选资源数目;
第二部分PSCCH的候选资源位置。
可选的,本公开的上述实施例中,所述获取模块包括:
第二获取子模块,用于获取协议预定义或网络预配置或网络配置的或终端配置的PSCCH在PSSCH的至少一个子信道上的候选资源;
或者,用于获取协议预定义或网络预配置或网络配置或终端配置的PSCCH的候选资源相对于PSSCH的子信道的偏移值;
或者,用于获取协议预定义或网络预配置或网络配置的或终端配置的PSCCH在PSCCH的至少一个子信道上的候选资源。
可选的,本公开的上述实施例中,所述获取模块包括:
第三获取子模块,用于获取协议预定义或网络预配置或网络配置或终端配置的第二配置信息,其中,所述第二配置信息包括下述至少一项:
PSCCH的候选资源在PSSCH子信道内的大小;
PSCCH的候选资源在PSSCH子信道内的起始位置;
PSCCH的候选资源在PSSCH子信道内的结束位置;
PSCCH的候选资源在PSSCH子信道内的数目;
PSCCH的候选资源在PSSCH子信道的样式;
PSCCH的候选资源在PSSCH资源内的大小;
PSCCH的候选资源在PSSCH资源内的起始位置;
PSCCH的候选资源在PSSCH资源内的结束位置;
PSCCH的候选资源在PSSCH资源内的数目;
PSCCH的候选资源在PSSCH资源的样式。
可选的,本公开的上述实施例中,所述获取模块包括:
第四获取子模块,用于获取带宽部分BWP的第一配置信令,所述配置信令适用于BWP包含的资源池;
或者,用于获取资源池的第二配置信令,所述配置信令适用于所述资源池;
或者,用于获取PSCCH的子信道的第三配置信令,所述第三配置信息适用于所述PSCCH的子信道;
或者,用于获取目标聚合等级对应的第四配置信令,所述第四配置信令适用于目标聚合等级对应的PSCCH;
其中,第一配置信令或第二配置信令或第三配置信令或第四配置信令用于配置PSCCH的候选资源。
本公开的一些实施例提供的终端能够实现图1至图21的方法实施例中终端实现的各个过程,为避免重复,这里不再赘述。
综上,本公开的上述实施例中通过定义PSCCH的资源映射方式,可以适用于独立的PSCCH传输以及同一调度单元内存在相关PSSCH的配置的情况,可以平衡系统开销和资源利用率之间的关系。
需要说明的是,本公开的一些实施例提供的终端是能够执行上述信道资源确定方法的终端,则上述信道资源确定方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
如图25所示,本公开的一些实施例还提供一种终端300,包括:
检测模块301,用于盲检第一部分PSCCH,根据盲检结果确定是否检测 第二部分PSCCH;或者,用于盲检第一部分PSCCH和第二部分PSCCH。
可选的,本公开的上述实施例中,所述检测模块包括:
第一检测子模块,用于盲检第一部分PSCCH;
第二检测子模块,用于若对第一部分PSCCH解调成功且获得第二部分PSCCH的信息,根据所述第二部分PSCCH的信息对第二部分PSCCH进行检测;或者,若对第一部分PSCCH解调失败,停止检测所述第二部分PSCCH。
综上,本公开的一些实施例还定义了两步PSCCH传输的检测方法,可以平衡系统开销和资源利用率之间的关系。
需要说明的是,本公开的一些实施例提供的终端是能够执行上述信道检测方法的终端,则上述信道检测方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
图26为实现本公开各个实施例的一种终端的硬件结构示意图,该终端400包括但不限于:射频单元401、网络模块402、音频输出单元403、输入单元404、传感器405、显示单元406、用户输入单元407、接口单元408、存储器409、处理器410、以及电源411等部件。本领域技术人员可以理解,图25中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。在本公开的一些实施例中,终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
其中,射频单元401,用于获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;
处理器410,用于根据所述候选资源,确定待传输的PSCCH的传输资源;其中,一个子信道具有连续的频域资源。
综上,本公开的上述实施例中通过定义PSCCH的资源映射方式,可以适用于独立的PSCCH传输以及同一调度单元内存在相关PSSCH的配置的情况,可以平衡系统开销和资源利用率之间的关系。
需要说明的是,本公开的一些实施例提供的终端是能够执行上述信道资 源确定方法的终端,则上述信道资源确定方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
或者,处理器410,用于盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH;或者,用于盲检第一部分PSCCH和第二部分PSCCH;
综上,本公开的一些实施例还定义了两步PSCCH传输的检测方法,可以平衡系统开销和资源利用率之间的关系。
需要说明的是,本公开的一些实施例提供的终端是能够执行上述信道检测方法的终端,则上述信道检测方法的所有实施例均适用于该终端,且均能达到相同或相似的有益效果。
应理解的是,本公开的一些实施例中,射频单元401可用于收发信息或通话过程中,信号的接收和发送,具体的,将来自基站的下行数据接收后,给处理器410处理;另外,将上行的数据发送给基站。通常,射频单元401包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外,射频单元401还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块402为用户提供了无线的宽带互联网访问,如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元403可以将射频单元401或网络模块402接收的或者在存储器409中存储的音频数据转换成音频信号并且输出为声音。而且,音频输出单元403还可以提供与终端400执行的特定功能相关的音频输出(例如,呼叫信号接收声音、消息接收声音等等)。音频输出单元403包括扬声器、蜂鸣器以及受话器等。
输入单元404用于接收音频或视频信号。输入单元404可以包括图形处理器(Graphics Processing Unit,GPU)4041和麦克风4042,图形处理器4041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元406上。经图形处理器4041处理后的图像帧可以存储在存储器409(或其它存储介质)中或者经由射频单元401或网络模块402进行发送。麦克风4042可以接收声音,并且能够将这样的声音处理为音频数据。处理后的音频数据可以 在电话通话模式的情况下转换为可经由射频单元401发送到移动通信基站的格式输出。
终端400还包括至少一种传感器405,比如光传感器、运动传感器以及其他传感器。具体地,光传感器包括环境光传感器及接近传感器,其中,环境光传感器可根据环境光线的明暗来调节显示面板4061的亮度,接近传感器可在终端400移动到耳边时,关闭显示面板4061和/或背光。作为运动传感器的一种,加速计传感器可检测各个方向上(一般为三轴)加速度的大小,静止时可检测出重力的大小及方向,可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等;传感器405还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等,在此不再赘述。
显示单元406用于显示由用户输入的信息或提供给用户的信息。显示单元406可包括显示面板4061,可以采用液晶显示器(Liquid Crystal Display,LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板4061。
用户输入单元407可用于接收输入的数字或字符信息,以及产生与终端的用户设置以及功能控制有关的键信号输入。具体地,用户输入单元407包括触控面板4071以及其他输入设备4072。触控面板4071,也称为触摸屏,可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板4071上或在触控面板4071附近的操作)。触控面板4071可包括触摸检测装置和触摸控制器两个部分。其中,触摸检测装置检测用户的触摸方位,并检测触摸操作带来的信号,将信号传送给触摸控制器;触摸控制器从触摸检测装置上接收触摸信息,并将它转换成触点坐标,再送给处理器410,接收处理器410发来的命令并加以执行。此外,可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板4071。除了触控面板4071,用户输入单元407还可以包括其他输入设备4072。具体地,其他输入设备4072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
进一步的,触控面板4071可覆盖在显示面板4061上,当触控面板4071 检测到在其上或附近的触摸操作后,传送给处理器410以确定触摸事件的类型,随后处理器410根据触摸事件的类型在显示面板4061上提供相应的视觉输出。虽然在图26中,触控面板4071与显示面板4061是作为两个独立的部件来实现终端的输入和输出功能,但是在某些实施例中,可以将触控面板4071与显示面板4061集成而实现终端的输入和输出功能,具体此处不做限定。
接口单元408为外部装置与终端400连接的接口。例如,外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元408可以用于接收来自外部装置的输入(例如,数据信息、电力等等)并且将接收到的输入传输到终端400内的一个或多个元件或者可以用于在终端400和外部装置之间传输数据。
存储器409可用于存储软件程序以及各种数据。存储器409可主要包括存储程序区和存储数据区,其中,存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等;存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外,存储器409可以包括高速随机存取存储器,还可以包括非易失性存储器,例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器410是终端的控制中心,利用各种接口和线路连接整个终端的各个部分,通过运行或执行存储在存储器409内的软件程序和/或模块,以及调用存储在存储器409内的数据,执行终端的各种功能和处理数据,从而对终端进行整体监控。处理器410可包括一个或多个处理单元;可选的,处理器410可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序等,调制解调处理器主要处理无线通信。可以理解的是,上述调制解调处理器也可以不集成到处理器410中。
终端400还可以包括给各个部件供电的电源411(比如电池),可选的,电源411可以通过电源管理系统与处理器410逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外,终端400包括一些未示出的功能模块,在此不再赘述。
可选的,本公开的一些实施例还提供一种终端,包括处理器,存储器,存储在存储器上并可在所述处理器上运行的程序,该程序被处理器执行时实现上述信道资源确定方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本公开的一些实施例还提供一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,该计算机程序被处理器执行时实现上述信道资源确定方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
可选的,本公开的一些实施例还提供一种终端,包括处理器,存储器,存储在存储器上并可在所述处理器上运行的程序,该程序被处理器执行时实现上述信道检测方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本公开的一些实施例还提供一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,该计算机程序被处理器执行时实现上述信道检测方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
可以理解的是,本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,模块、单元、子模块、子单元等可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processing,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现,可通过执行本公开实施例所述功能的模块(例如过程、函 数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
因此,本公开的目的还可以通过在任何计算装置上运行一个程序或者一组程序来实现。所述计算装置可以是公知的通用装置。因此,本公开的目的也可以仅仅通过提供包含实现所述方法或者装置的程序代码的程序产品来实现。也就是说,这样的程序产品也构成本公开,并且存储有这样的程序产品的存储介质也构成本公开。显然,所述存储介质可以是任何公知的存储介质或者将来所开发出来的任何存储介质。还需要指出的是,在本公开的装置和方法中,显然,各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且,执行上述系列处理的步骤可以自然地按照说明的顺序按时间顺序执行,但是并不需要一定按照时间顺序执行。某些步骤可以并行或彼此独立地执行。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本公开的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述,但是本公开并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本公开的启示下,在不脱离本公开宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本公开的保护之内。
以上所述,仅为本公开的具体实施方式,但本公开的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本公开揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本公开的保护范围之内。因此,本公开的保护范围应以权利要求的保护范围为准。

Claims (32)

  1. 一种信道资源确定方法,应用于终端,包括:
    获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;
    根据所述候选资源,确定待传输的PSCCH的传输资源;
    其中,一个子信道具有连续的频域资源。
  2. 根据权利要求1所述的方法,其中,所述根据所述候选资源,确定待传输的PSCCH的传输资源,包括:
    在所述候选资源中选择待传输的PSCCH的传输资源。
  3. 根据权利要求1所述的方法,其中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,
    所述根据所述候选资源,确定待传输的PSCCH的传输资源,包括:
    在所述PSCCH候选资源中选择待传输的第一部分PSCCH的传输资源和待传输的第二部分PSCCH的传输资源。
  4. 根据权利要求3所述的方法,其中,所述在所述候选资源中选择待传输的第一部分PSCCH的传输资源和待传输的第二部分PSCCH的传输资源,包括:
    在所述候选资源中选择待传输的第一部分PSCCH的传输资源;
    在待传输的第一部分PSCCH的传输资源之后,映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源。
  5. 根据权利要求1所述的方法,其中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,
    所述根据所述候选资源,确定待传输的PSCCH的传输资源,包括:
    在所述PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
    所述方法还包括:
    在所述终端选择的所述PSSCH资源上选择待传输的第二部分PSCCH的 传输资源。
  6. 根据权利要求5所述的方法,其中,在所述终端选择的所述PSSCH资源上选择待传输的第二部分PSCCH的传输资源,包括:
    从PSSCH的第一物理资源块PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    或者,
    从PSSCH的第一子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    或者,
    从PSSCH的第一子信道的第一PRB的第一偏移值开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    或者,
    从PSSCH的第一子信道的第二偏移值的子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    其中,第一PRB为最高PRB或最低PRB;所述第一子信道为PSSCH的最低子信道或最高子信道。
  7. 根据权利要求1所述的方法,其中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH,所述PSCCH的候选资源包括第一部分PSCCH的候选资源和第二部分PSCCH的候选资源的情况下,
    所述根据所述候选资源,确定待传输的PSCCH的传输资源,包括:
    在所述第一部分PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
    在所述第二部分PSCCH的候选资源中选择待传输的第二部分PSCCH的传输资源。
  8. 根据权利要求2-6任一项所述的方法,在候选资源中选择传输资源,包括:
    根据待传输信道的信道参数,在候选资源中选择传输资源;
    其中,待传输信道的信道参数包括:
    待传输信道的时域资源信息;以及,待传输信道的频域资源信息;
    其中,候选资源为PSCCH的候选资源、传输资源为PSCCH的传输资源,待传输信道为PSCCH;
    或者,
    候选资源为PSCCH的候选资源、传输资源为第一部分PSCCH的传输资源,待传输信道为第一部分PSCCH;
    或者,
    候选资源为第一部分PSCCH的候选资源、传输资源为第一部分PSCCH的传输资源,待传输信道为第一部分PSCCH;
    或者,
    候选资源为第二部分PSCCH的候选资源、传输资源为第二部分PSCCH的传输资源,待传输信道为第二部分PSCCH。
  9. 根据权利要求8所述的方法,其中,所述待传输信道的时域资源信息包括下述至少一项:
    时域符号数目;
    时域符号起始位置;
    时域符号结束位置;
    时域资源样式。
  10. 根据权利要求8所述的方法,其中,所述待传输信道的频域资源信息包括下述至少一项:
    频域资源的数目;
    频域资源的起始位置;
    频域资源的结束位置;
    频域资源的起始位置相对于第一资源单位的偏移值;
    频域资源的结束位置相对于第一资源单位的偏移值;
    频域资源样式;
    其中,第一资源单位为所述终端选择的资源池的最低资源单位或最高资源单位;或者,所述第一资源单位为所述终端选择的PSSCH资源的最低资源单位或最高资源单位。
  11. 根据权利要求8所述的方法,其中,所述待传输信道的信道参数还 包括:
    时分复用和/或频分复用。
  12. 根据权利要求3-7任一项所述的方法,还包括:
    在所述第一部分PSCCH中携带第二部分PSCCH的资源信息;所述第二部分PSCCH的资源信息包括下述至少一项:
    第二部分PSCCH的时域资源起始位置;
    第二部分PSCCH的时域资源结束位置;
    第二部分PSCCH的时域资源占用的符号数目;
    第二部分PSCCH的频域资源起始位置;
    第二部分PSCCH的频域资源结束位置;
    第二部分PSCCH的频域资源占用的PRB数目;
    第二部分PSCCH的频域资源占用的子信道的数目;
    第二部分PSCCH的时域偏移值;
    第二部分PSCCH的频域偏移值。
  13. 根据权利要求3-7任一项所述的方法,还包括:
    对所述第一部分PSCCH的参考信号进行配置;
    对所述第二部分PSCCH的参考信号进行配置。
  14. 根据权利要求13所述的方法,其中,对所述第一部分PSCCH的参考信号进行配置,包括:
    获取协议预定义或网络预配置或网络配置或终端配置所述第一部分PSCCH的参考信号的配置信息;
    根据所述第一部分PSCCH的参考信号的配置信息对所述第一部分PSCCH的参考信号进行配置。
  15. 根据权利要求13所述的方法,其中,对所述第二部分PSCCH的参考信号进行配置,包括:
    采用与所述第一部分PSCCH的参考信号使用的配置信息相同的配置信息对所述第二部分PSCCH的参考信号进行配置;
    或者,
    对第二部分PSCCH的参考信号进行独立配置;
    或者,
    采用所述PSSCH的参考信号的配置信息对所述第二部分PSCCH的参考信号进行配置。
  16. 根据权利要求1所述的方法,其中,所述获取物理旁链路控制信道PSCCH的候选资源,包括:
    获取协议预定义或网络预配置或网络配置或终端配置的第一配置信息;其中,所述第一配置信息包括下述至少一项:
    资源集的大小;
    资源集的起始位置;
    资源集的结束位置。
  17. 根据权利要求16所述的方法,其中,所述第一配置信息还包括下述至少一项:
    PSCCH的聚合等级;
    PSCCH的候选资源大小;
    PSCCH的候选资源数目;
    PSCCH的候选资源位置;
    第一部分PSCCH的候选资源大小;
    第一部分PSCCH的候选资源数目;
    第一部分PSCCH的候选资源位置;
    第二部分PSCCH的候选资源大小;
    第二部分PSCCH的候选资源数目;
    第二部分PSCCH的候选资源位置。
  18. 根据权利要求1所述的方法,其中,获取物理旁链路控制信道PSCCH的候选资源,包括:
    获取协议预定义或网络预配置或网络配置的或终端配置的PSCCH在PSSCH的至少一个子信道上的候选资源;
    或者,
    获取协议预定义或网络预配置或网络配置或终端配置的PSCCH的候选资源相对于PSSCH的子信道的偏移值;
    或者,
    获取协议预定义或网络预配置或网络配置的或终端配置的PSCCH在PSCCH的至少一个子信道上的候选资源。
  19. 根据权利要求1所述的方法,其中,获取物理旁链路控制信道PSCCH的候选资源,包括:
    获取协议预定义或网络预配置或网络配置或终端配置的第二配置信息,其中,所述第二配置信息包括下述至少一项:
    PSCCH的候选资源在PSSCH子信道内的大小;
    PSCCH的候选资源在PSSCH子信道内的起始位置;
    PSCCH的候选资源在PSSCH子信道内的结束位置;
    PSCCH的候选资源在PSSCH子信道内的数目;
    PSCCH的候选资源在PSSCH子信道的样式;
    PSCCH的候选资源在PSSCH资源内的大小;
    PSCCH的候选资源在PSSCH资源内的起始位置;
    PSCCH的候选资源在PSSCH资源内的结束位置;
    PSCCH的候选资源在PSSCH资源内的数目;
    PSCCH的候选资源在PSSCH资源的样式。
  20. 根据权利要求1所述的方法,其中,所述获取物理旁链路控制信道PSCCH的候选资源,包括:
    获取带宽部分BWP的第一配置信令,所述配置信令适用于BWP包含的资源池;
    或者,
    获取资源池的第二配置信令,所述配置信令适用于所述资源池;
    或者,
    获取PSCCH的子信道的第三配置信令,所述第三配置信息适用于所述PSCCH的子信道;
    或者,
    获取目标聚合等级对应的第四配置信令,所述第四配置信令适用于目标聚合等级对应的PSCCH;
    其中,第一配置信令或第二配置信令或第三配置信令或第四配置信令用于配置PSCCH的候选资源。
  21. 一种信道检测方法,应用于终端,包括:
    所述终端盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH;
    或者,
    所述终端盲检第一部分PSCCH和第二部分PSCCH。
  22. 根据权利要求21所述的方法,其中,所述终端盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH,包括:
    所述终端盲检第一部分PSCCH;
    若对第一部分PSCCH解调成功且获得第二部分PSCCH的信息,根据所述第二部分PSCCH的信息对第二部分PSCCH进行检测;
    若对第一部分PSCCH解调失败,停止检测所述第二部分PSCCH。
  23. 一种终端,包括:
    获取模块,用于获取物理旁链路控制信道PSCCH的候选资源;所述候选资源在所述PSCCH的子信道内;或者,所述候选资源在所述终端选择的物理旁链路共享信道PSSCH资源的子信道内;或者,所述候选资源在所述终端选择的PSSCH资源的频域范围内;或者,所述候选资源在一资源集内;
    资源确定模块,用于根据所述候选资源,确定待传输的PSCCH的传输资源;
    其中,一个子信道具有连续的频域资源。
  24. 根据权利要求23所述的终端,其中,所述资源确定模块包括:
    第一资源选择子模块,用于在所述候选资源中选择待传输的PSCCH的传输资源。
  25. 根据权利要求23所述的终端,其中,所述资源确定模块包括:
    第二资源选择子模块,用于在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,在所述PSCCH候选资源中选择待传输的第一部分PSCCH的传输资源和待传输的第二部分PSCCH的传输资源。
  26. 根据权利要求25所述的终端,其中,所述第二资源选择子模块包括:
    第一单元,用于在所述候选资源中选择待传输的第一部分PSCCH的传输资源;
    第二单元,用于在待传输的第一部分PSCCH的传输资源之后,顺序映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源。
  27. 根据权利要求23所述的终端,其中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH的情况下,所述资源确定模块包括:
    第一选择模块,用于在所述PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
    所述终端还包括:
    第二选择模块,用于在所述终端选择的传输数据的所述PSSCH资源上选择待传输的第二部分PSCCH的传输资源。
  28. 根据权利要求27所述的终端,其中,所述第二选择模块包括:
    选择子模块,用于从PSSCH的第一物理资源块PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    或者,用于从PSSCH的第一子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    或者,用于从PSSCH的第一子信道的第一PRB的第一偏移值开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    或者,用于从PSSCH的第一子信道的第二偏移值的子信道的第一PRB开始映射所述第二部分PSCCH,得到第二部分PSCCH的传输资源;
    其中,第一PRB为最高PRB或最低PRB;所述第一子信道为PSSCH的最低子信道或最高子信道。
  29. 根据权利要求23所述的终端,其中,在所述PSCCH包括第一部分PSCCH和第二部分PSCCH,所述PSCCH的候选资源包括第一部分PSCCH的候选资源和第二部分PSCCH的候选资源的情况下,所述资源确定模块包括:
    第三选择模块,用于在所述第一部分PSCCH的候选资源中选择待传输的第一部分PSCCH的传输资源;
    第四选择模块,用于在所述第二部分PSCCH的候选资源中选择待传输的第二部分PSCCH的传输资源。
  30. 一种终端,包括:
    检测模块,用于盲检第一部分PSCCH,根据盲检结果确定是否检测第二部分PSCCH;或者,用于盲检第一部分PSCCH和第二部分PSCCH。
  31. 一种终端,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至20中任一项所述的信道资源确定方法的步骤;或者,所述程序被所述处理器执行时实现如权利要求21或22所述的信道检测方法的步骤。
  32. 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储计算机程序,所述计算机程序被处理器执行时实现如权利要求1至20中任一项所述的信道资源确定方法的步骤;或者,所述计算机程序被处理器执行时实现如权利要求21或22所述的信道检测方法的步骤。
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