WO2020135641A1 - 用于确定控制资源集合的频域位置的方法及相关设备 - Google Patents
用于确定控制资源集合的频域位置的方法及相关设备 Download PDFInfo
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Definitions
- the present application relates to the field of communication technologies, and in particular, to a method and related equipment for determining a frequency domain position of a control resource set.
- the common control resource set (commonControlResourceSet) can carry scheduling information of random access response, paging, and system messages. For terminal devices, you can monitor the scheduling information of random access responses, paging, and system messages on the common control resource set. For network devices, you can send random access responses, paging, and paging on the common control resource set. Scheduling information of system messages. In the existing solution, the frequency domain position of more than one common control resource set is determined, which increases the complexity of determining the frequency domain bits of the common control resource set.
- Embodiments of the present application provide a method and related equipment for determining a frequency domain position of a control resource set, with a view to reducing the complexity of determining the frequency domain position of a first control resource set.
- an embodiment of the present application provides a possible method for determining a frequency domain position of a control resource set.
- the method is performed by a terminal device and a network device, and includes:
- the network device Before the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device; correspondingly, before the initial access of the terminal device is successful, the terminal device receives the configuration information of the first control resource set;
- the network device Before the initial access of the terminal device is successful or after the initial access of the terminal device is successful, the network device broadcasts uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set; corresponding Before the initial access of the terminal device is successful, the network device broadcasts uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set.
- the first starting common resource block included in the first common resource block set is determined according to the configuration information of the second starting common resource block and the first control resource set of the first downlink bandwidth part.
- the configuration information is used to indicate the first A position of the physical resource block occupied by the control resource set in the first downlink bandwidth part;
- the frequency domain position of the first set of control resources before and after the successful initial access of the terminal device is the same, so that the terminal device and the network device only need to calculate the frequency domain position of the first set of control resources once.
- the successful initial access of the terminal device recognized by the terminal device is used to indicate one of the following moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the terminal device After the terminal device successfully receives the retransmitted message 4, the moment when the configuration information indicating DCI to be blindly detected by the C-RNTI scrambling is successfully received.
- the successful initial access of the terminal device recognized by the network device is used to indicate one of the following moments:
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling;
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling.
- the first downlink bandwidth part is defined according to the control resource set coreset#0 or configured according to the system message block SIB1.
- the identifier of the first control resource set is not 0.
- the second starting common resource block of the first downlink bandwidth part is based on the first downlink bandwidth part.
- the two starting physical resource blocks and the first offset are determined; where the first offset is used to indicate the number of physical resource blocks that differ between the second starting physical resource block and the reference point, and the reference point is a resource block grid Is a common reference point, the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals.
- the first offset is based on the second offset between the second starting physical resource block of the first downlink bandwidth portion and the third starting physical resource block of the SS/PBCH block
- the common resource block offset of the SS/PBCH block is determined; where the second offset is used to indicate the difference between the physical resource block PRB of the second starting physical resource block and the third starting physical resource block of the SS/PBCH block Quantity; the common resource block offset of the SS/PBCH block is used to indicate the number of physical resource blocks that differ between the third starting physical resource block and the reference point.
- the second starting common resource block of the first downlink bandwidth part is based on the second of the first downlink bandwidth part
- the starting physical resource block and the third offset are determined; wherein, the third offset is used to indicate the number of physical resource blocks different from the second starting physical resource block and the reference point, the reference point is the resource block grid A common reference point.
- the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals.
- the embodiments of the present application provide another possible method for determining the frequency domain position of a control resource set.
- the method is performed by a terminal device and a network device, and includes:
- the network device Before the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device; correspondingly, before the initial access of the terminal device is successful, the terminal device receives the configuration information of the first control resource set;
- the network device Before the initial access of the terminal device is successful, the network device will not broadcast the uplink and downlink scheduling control information on the downlink physical control channel according to the common resource block set occupied by the first control resource set; accordingly, before the initial access of the terminal device is successful, The terminal device will not monitor the downlink physical control channel according to the common resource block set occupied by the first control resource set;
- the network device After the initial access of the terminal device is successful, the network device broadcasts uplink and downlink scheduling control information on the downlink physical control channel according to the first set of common resource blocks occupied by the first set of control resources; correspondingly, after the initial access of the terminal device is successful , The terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set;
- the first starting common resource block included in the first common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth part and the first control resource set, and the configuration information is used to indicate the first control The position of the physical resource block occupied by the resource set in the first downlink bandwidth part.
- neither the network device nor the terminal device needs to determine the frequency domain position of the first set of control resources before the initial access of the terminal device is successful.
- the frequency domain position of the first set of control resources after the initial access of the terminal device is It is determined by the referenced downlink bandwidth part, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once, which reduces the complexity of determining the frequency domain bits of the first control resource set.
- the successful initial access of the terminal device recognized by the terminal device is used to indicate one of the following moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the terminal device After the terminal device successfully receives the retransmitted message 4, the moment when the configuration information indicating DCI to be blindly detected by the C-RNTI scrambling is successfully received.
- the successful initial access of the terminal device recognized by the network device is used to indicate one of the following moments:
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling;
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling.
- the first downlink bandwidth part is defined according to the control resource set coreset#0 or configured according to the system message block SIB1.
- the identifier of the first control resource set is not 0.
- the second starting common resource block of the first downlink bandwidth portion is based on the first downlink bandwidth portion. Two are determined by the initial physical resource block and the first offset;
- the first offset is used to indicate the number of physical resource blocks that differ between the second starting physical resource block and the reference point
- the reference point is a common reference point of the resource block grid
- the reference point is used to indicate a preset The center position of subcarrier 0 in the common resource block CRB 0 configured with subcarrier intervals.
- the first offset is based on the second offset between the second starting physical resource block of the first downlink bandwidth portion and the third starting physical resource block of the SS/PBCH block
- the common resource block offset of the SS/PBCH block is determined; where the second offset is used to indicate the difference between the physical resource block PRB of the second starting physical resource block and the third starting physical resource block of the SS/PBCH block Quantity; the common resource block offset of the SS/PBCH block is used to indicate the number of physical resource blocks that differ between the common resource block corresponding to the third starting physical resource block and the reference point.
- the second starting common resource block of the first downlink bandwidth portion is based on the second The starting physical resource block and the third offset are determined; wherein, the third offset is used to indicate the number of physical resource blocks different from the second starting physical resource block and the reference point, the reference point is the resource block grid A common reference point.
- the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals.
- an embodiment of the present application provides a possible method for determining a frequency domain position of a control resource set.
- the method is performed by a terminal device and a network device, and includes:
- the network device Before the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device; correspondingly, before the initial access of the terminal device is successful, the terminal device receives the configuration information of the first control resource set;
- the network device broadcasts uplink and downlink scheduling control information on the downlink physical control channel according to the first set of common resource blocks occupied by the first set of control resources; correspondingly, before the initial access of the terminal device is successful , The terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set; the first starting common resource block contained in the first common resource block set is based on the first The configuration information of the second starting common resource block and the first control resource set of the line bandwidth part is determined, and the configuration information is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth part;
- the network device broadcasts uplink and downlink scheduling control information on the downlink physical control channel according to the third set of common resource blocks occupied by the first set of control resources; correspondingly, after the initial access of the terminal device is successful , The terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the third common resource block set occupied by the first control resource set; the third starting common resource block included in the third common resource block set is based on the second The configuration information of the fourth starting common resource block of the downlink bandwidth part and the first control resource set is determined, and the configuration information is used to indicate the position of the physical resource block occupied by the first control resource set within the second downlink bandwidth part;
- the second starting common resource block of the first downlink bandwidth part is the same as the fourth starting common resource block of the second downlink bandwidth part.
- the frequency domain position of the first control resource set may be determined according to the frequency domain position of different downlink bandwidth parts, but due to different settings
- the common resource block positions are the same, and the frequency domain position of the first control resource set referenced by different downlink bandwidth parts can still be the same, so that the terminal device and the network device only need to calculate the frequency of the first control resource set once
- the location of the domain reduces the complexity of determining the frequency domain bits of the first control resource set.
- the successful initial access of the terminal device recognized by the terminal device is used to indicate one of the following moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the first downlink bandwidth part switches To the moment when the handover of the second downlink bandwidth is completed;
- the first downlink bandwidth part switches To the moment when the handover of the second downlink bandwidth is completed;
- the terminal device When the common resource blocks occupied by the first downlink bandwidth part and the second downlink bandwidth part are different, after the terminal device successfully receives the initially transmitted message 4 and switches from the first downlink bandwidth part to the second downlink bandwidth part At the time when the configuration information indicating DCI to be blindly scrambled by the C-RNTI is received.
- the successful initial access of the terminal device recognized by the network device is used to indicate one of the following moments:
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling;
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device the configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling;
- the network device receives the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device. The moment when the switching of the line bandwidth part is switched to the second downlink bandwidth part;
- the network device receives the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the first The moment when the switching of the line bandwidth part is switched to the second downlink bandwidth part;
- the network device receives the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device and the first downlink After the bandwidth part is switched to the second downlink bandwidth part, the moment when DCI configuration information indicating that blind detection of C-RNTI scrambling is required is sent to the terminal device;
- the network device receives the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device and the first downlink After the bandwidth part is switched to the second downlink bandwidth part, the time when the configuration information indicating DCI to be blindly detected by the C-RNTI scrambling is sent to the terminal device.
- the first downlink bandwidth part is defined according to the control resource set coreset#0, and the second downlink bandwidth part is configured according to the system message block SIB1.
- the identifier of the first control resource set is not 0.
- the second starting common resource block of the first downlink bandwidth portion is based on the first downlink bandwidth portion.
- the two starting physical resource blocks and the first offset are determined; where the first offset is used to indicate the number of physical resource blocks that differ between the second starting physical resource block and the reference point, and the reference point is a resource block grid Is a common reference point, the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals.
- the first offset is based on the second offset between the second starting physical resource block of the first downlink bandwidth portion and the third starting physical resource block of the SS/PBCH block
- the common resource block offset of the SS/PBCH block is determined; where the second offset is used to indicate the difference between the physical resource block PRB of the second starting physical resource block and the third starting physical resource block of the SS/PBCH block Quantity; the common resource block offset of the SS/PBCH block is used to indicate the number of physical resource blocks that differ between the third starting physical resource block and the reference point.
- the fourth starting common resource block of the second downlink bandwidth portion is based on the fourth starting physical
- the resource block and the third offset are determined; where the third offset is used to indicate the number of physical resource blocks that differ between the fourth starting physical resource block and the reference point, and the reference point is a common reference of the resource block grid
- the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals.
- an embodiment of the present application provides a possible method for determining a frequency domain position of a control resource set.
- the method is performed by a terminal device and a network device, and includes:
- the network device After the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device; correspondingly, after the initial access of the terminal device is successful, the terminal device receives the configuration information of the first control resource set;
- the network device After the initial access of the terminal device is successful, the network device broadcasts uplink and downlink scheduling control information on the downlink physical control channel according to the first set of common resource blocks occupied by the first set of control resources; correspondingly, after the initial access of the terminal device is successful , The terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set;
- the first starting common resource block included in the first common resource block set is determined according to the configuration information of the second starting common resource block and the first control resource set of the first downlink bandwidth part.
- the configuration information is used to indicate the first A position of the physical resource block occupied by the control resource set in the first downlink bandwidth part.
- neither the network device nor the terminal device needs to determine the frequency domain position of the first set of control resources before the terminal device has successfully accessed initially.
- the frequency domain position of the first set of control resources after the initial access of the terminal device is It is determined by the referenced downlink bandwidth part, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once, which reduces the complexity of determining the frequency domain bits of the first control resource set.
- the successful initial access of the terminal device recognized by the terminal device is used to indicate one of the following moments:
- the terminal device After the terminal device successfully receives the initial message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the terminal device After the terminal device successfully receives the retransmitted message 4, it receives the configuration information indicating DCI that needs to be blindly detected by C-RNTI scrambling.
- the successful initial access of the terminal device recognized by the network device is used to indicate one of the following moments:
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling;
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling.
- the first downlink bandwidth part is configured according to the system message block SIB 1 configuration or other messages configuring the downlink bandwidth part after the initial access of the terminal device is successful.
- the identifier of the first control resource set is not 0.
- the second starting common resource block of the first downlink bandwidth portion is based on the second of the first downlink bandwidth portion Determined by the starting physical resource block and the third offset;
- the third offset is used to indicate the difference between the number of physical resource blocks between the second starting physical resource block and the reference point.
- the reference point is a common reference point of the resource block grid.
- the reference point is used to indicate a preset The center position of subcarrier 0 in the common resource block CRB 0 configured with subcarrier intervals.
- the configuration information of the first control resource set and the configuration information of the first downlink bandwidth part are received at the same time.
- an embodiment of the present application provides an apparatus for determining a frequency domain position of a control resource set.
- the apparatus may be a terminal device or a chip in the terminal device.
- the device may include a processing unit and a transceiver unit.
- the processing unit may be a processor, and the transceiving unit may be a transceiver;
- the terminal device may further include a storage unit, the storage unit may be a memory; the storage unit is used to store instructions, the processing The unit executes the instructions stored in the storage unit, so that the terminal device executes the method executed by the terminal device in any one of the first to fourth aspects and any possible implementation manner thereof.
- the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin, or a circuit, etc.; the processing unit executes instructions stored in the storage unit to enable the terminal
- the device executes the method performed by the terminal device in any one of the first to fourth aspects and any possible implementation manner thereof.
- the storage unit may be a storage unit in the chip (for example, registers, caches, etc.), or It may be a storage unit (for example, read-only memory, random access memory, etc.) located outside the chip in the terminal device.
- an embodiment of the present application provides an apparatus for determining a frequency domain position of a control resource set.
- the apparatus may be a network device or a chip in the network device.
- the device may include a processing unit and a transceiver unit.
- the processing unit may be a processor
- the transceiver unit may be a transceiver
- the network device may further include a storage unit, which may be a memory; the storage unit is used to store instructions, the processing The unit executes the instructions stored by the storage unit, so that the network device executes the method executed by the network device in any one of the first to fourth aspects and any possible implementation manner thereof.
- the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin, or a circuit, etc.; the processing unit executes instructions stored in the storage unit to enable the network
- the device executes the method performed by the network device in any one of the first to fourth aspects and any possible implementation manner thereof.
- the storage unit may be a storage unit in the chip (for example, registers, caches, etc.), or It may be a storage unit (for example, read-only memory, random access memory, etc.) located outside the chip in the network device.
- an embodiment of the present application provides a computer program product.
- the computer program product includes: computer program code, which, when the computer program code runs on a computer, causes the computer to perform any one of the first aspect to the fourth aspect And the method executed by the terminal device in any possible implementation manner.
- an embodiment of the present application provides a computer program product.
- the computer program product includes: computer program code, which causes the computer to perform any one of the first to fourth aspects when the computer program code runs on the computer And any possible implementation of the method performed by the network device.
- an embodiment of the present application provides a computer-readable medium that stores program code, and when the computer program code runs on a computer, causes the computer to perform any one of the first to fourth aspects above Aspects and methods implemented by the terminal device in any possible implementation manner.
- an embodiment of the present application provides a computer-readable medium that stores program code, and when the computer program code runs on a computer, causes the computer to perform any one of the first to fourth aspects above Aspects and any possible implementation of the method performed by the network device.
- FIG. 1 is a schematic diagram of a possible communication system architecture provided by an embodiment of this application.
- FIG. 2 is an example diagram of a frequency domain position of a possible common control resource set provided by an embodiment of the present application
- FIG. 3 is a schematic flowchart of a method for determining a frequency domain position of a control resource set according to an embodiment of this application;
- FIG. 4 is an exemplary diagram of a frequency domain position of a control resource set provided by an embodiment of the present application.
- FIG. 5 is an exemplary diagram of a frequency domain position of a control resource set provided by an embodiment of this application.
- FIG. 6 is an exemplary diagram of a frequency domain position of a downlink bandwidth part and a first control resource set provided by an embodiment of this application;
- FIG. 7 is an exemplary diagram of a time domain and a frequency domain location of a first set of control resources provided by an embodiment of the present application
- FIG. 8 is an example diagram of determining a frequency domain position of a downlink bandwidth part provided by an embodiment of the present application.
- FIG. 9 is a schematic flowchart of a method for determining a frequency domain position of a control resource set according to an embodiment of this application.
- FIG. 10 is an example diagram of a frequency domain position of a control resource set provided by an embodiment of this application.
- FIG. 11 is an example diagram of a frequency domain position of a control resource set provided by an embodiment of the present application.
- FIG. 12 is a schematic flowchart of a method for determining a frequency domain position of a control resource set according to an embodiment of this application;
- FIG. 13 is an example diagram of a frequency domain position of a control resource set provided by an embodiment of this application.
- FIG. 14 is a schematic flowchart of a method for determining a frequency domain position of a control resource set according to an embodiment of this application;
- 15 is an example diagram of a frequency domain position of a control resource set provided by an embodiment of the present application.
- FIG. 16 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
- 17 is a schematic structural diagram of another terminal device provided by an embodiment of the present application.
- FIG. 18 is a schematic structural diagram of a network device provided by an embodiment of the present application.
- 19 is a schematic structural diagram of another network device provided by an embodiment of the present application.
- FIG. 1 is a schematic structural diagram of a possible communication system according to an embodiment of the present application.
- the communication system includes a network device 101 and a terminal device 102.
- the network device 101 and the terminal device 102 can communicate through the air interface technology of the communication system, which includes a scenario where uplink and downlink scheduling control information is transmitted on a downlink physical control channel (physical downlink control channel, PDCCH).
- PDCCH physical downlink control channel
- the PDCCH includes the time-frequency position of commonControlResourceSet.
- the frequency domain position of commonControlResourceSet that is, the position of a common resource block (common resource block, CRB), is determined with reference to the currently activated downlink bandwidth portion. For example, when the currently activated downlink bandwidth part is the initial downlink bandwidth part, the CRB position of the commonControlResourceSet is determined with reference to the initial downlink bandwidth part.
- the downlink physical control channel can be monitored in the frequency domain of the commonControlResourceSet to obtain uplink and downlink scheduling control information.
- the uplink and downlink scheduling control information can be sent in the downlink physical control channel in the frequency domain of the commonControlResourceSet.
- the uplink and downlink scheduling control information may be control information for scheduling random access responses, control information for scheduling paging messages, or control information for scheduling system messages.
- initial downlink bandwidth part initial DL BWP
- CORESET#0 the size and frequency domain of the initial downlink bandwidth part
- SIB System Information Block 1
- the initial downlink bandwidth defined by CORESET#0 takes effect; after the initial access of the terminal device is successful, the initial DL BWP configured in SIB 1 takes effect, and the initial DL BWP configured in SIB 1 can be used with
- the initial DL and BWP defined by CORESET#0 are different, but the frequency domain position of the initial DL and BWP configured in SIB1 should include the frequency domain position of CORESET#0.
- this embodiment of the present application provides an example diagram of a possible frequency domain position of a common control resource set.
- the frequency domain position of CORESET#0 is inconsistent with the frequency domain position of the initial DL BWP configured by SIB1, and the starting resource block position RB-x of CORESET#0 is consistent with the initial DL BWP configured by SIB1
- the starting resource block position RB-y is different.
- the starting resource block position of commonControlResourceSet1 determined according to the initial downlink bandwidth defined by CORESET#0 is different from the starting point of commonControlResourceSet2 determined by initialDL configured by SIB1.
- the resource block location is also different.
- the terminal device Before the initial access of the terminal device is successful, monitor and control the random access response, paging, and system message control information according to the frequency domain position of commonControlResourceSet1; after the initial access of the terminal device is successful, follow the commonControlResourceSet
- the frequency-domain location of 2 monitors information such as scheduling random access response, paging, and system messages.
- the network device For network devices, if there are terminal devices with initial access success and terminal devices with unsuccessful access within the coverage of the network device, the network device needs to send the terminal devices with unsuccessful access to the frequency domain of commonControlResourceSet1 Send random access response, scheduling information of paging and system messages, etc.; and need to send random access response, scheduling information of paging and system messages to the terminal device with initial access success in the frequency domain position of commonControlResourceSet2.
- FIGS. 3 to 15 of the present application can realize that the frequency domain position of the commonControlResourceSet calculated before and after the initial access of the terminal device is the same, so that the terminal device and the network device only need to calculate the frequency domain position of the commonControlResourceSet once. Reduced the complexity of determining the frequency domain bits of commonControlResourceSet. For details, please refer to the detailed description of the embodiments of FIGS. 3 to 15 of the present application.
- the terminal equipment involved in this application may refer to user equipment (UE), which may be a handheld terminal, a notebook computer, a subscriber unit, a subscriber unit, a cellular phone, a smart phone, and a personal digital assistant ( personal digital assistant (PDA) computer, tablet computer, wireless modem (modem), handheld device (handheld), laptop computer (laptop), cordless phone (cordless phone) or wireless local loop (wireless local loop (WLL ) Station, machine type communication (MTC) terminal or other equipment that can access the mobile network.
- PDA personal digital assistant
- modem wireless modem
- handheld device handheld
- laptop computer laptop
- cordless phone cordless phone
- WLL wireless local loop
- MTC machine type communication
- a certain air interface technology is used for communication between terminal equipment and network equipment.
- the network equipment involved in this application may refer to the access network equipment, which is mainly responsible for the functions of wireless resource management, quality of service (QoS) management, data compression and encryption on the air interface side.
- the network equipment may include various forms of base stations, such as macro base stations, micro base stations (also called small stations), relay stations, and access points.
- base stations such as macro base stations, micro base stations (also called small stations), relay stations, and access points.
- the names of devices with base station functions may be different.
- 5G 5th generation
- gNB in the fourth generation (4th) Generation (4G) system, called evolved Node B (evolved NodeB, eNB or eNodeB), etc.
- first control resource set involved in the present application may also be a common control resource set or a control resource set named in other ways, which is not limited in this embodiment of the present application.
- the embodiments of the present application can also be applied to other communication systems that need to determine the frequency domain position of the control resource set.
- system can be used interchangeably with "network”.
- the system architecture described in the embodiments of the present application is for the convenience of explaining the technical solutions of the embodiments of the present application, and does not constitute a limitation on the technical solutions provided by the embodiments of the present application. Those of ordinary skill in the art may know that as the network architecture evolves, The technical solutions provided in the application examples are also applicable to similar technical problems.
- “plurality” means two or more than two, and “at least two” means two or more than two.
- FIG. 3 provides a schematic flowchart of a method for determining a frequency domain position of a control resource set for an embodiment of the present application.
- the method shown in FIG. 3 includes steps 301 to 303.
- the network device Before the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device.
- the terminal device receives the configuration information of the first control resource set.
- the network device Before the initial access of the terminal device is successful, the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set.
- the terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set.
- the network device After the initial access of the terminal device is successful, the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set.
- the terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set.
- the embodiment of the present application does not limit the number of execution steps 302 and 303.
- the configuration information is used to indicate the location of the physical resource block (PRB) occupied by the first control resource set in the first downlink bandwidth portion.
- PRB physical resource block
- the identifier of the first control resource set in this application is not 0.
- the configuration information of the first control resource set can be obtained from the SIB 1, and the configuration information can take effect before and after the initial access of the terminal device is successful.
- the validity means that the terminal device can be based on the first control resource
- the frequency domain position of the set monitors the downlink physical control channel to obtain uplink and downlink scheduling control information; or, the network device may send uplink and downlink scheduling control information on the downlink physical control channel according to the frequency domain position of the first control resource set.
- the configuration information of the first downlink bandwidth part can also be obtained from SIB1, but the first configuration of SIB1
- the configuration information of the line bandwidth part takes effect after the initial access of the terminal device is successful.
- the effect here refers to: the downlink control information can be received according to the frequency domain position of the first downlink bandwidth part configured by SIB 1, or the network device can The frequency domain position of the first downlink bandwidth part configured by SIB1 sends downlink control information.
- the terminal device may use a high-level signaling locationAndBandwidth and/or other parameters of the first downlink bandwidth part to determine the frequency domain position of the first downlink bandwidth part.
- the first common resource block occupied by the first control resource set includes the first starting common resource block and the common resource block occupied by the first control resource set.
- both the network device and the terminal device can implement the determination of the first starting common resource block, and both can implement the determination of the first control resource set occupation according to the configuration information and the starting common resource block of the reference downlink bandwidth part
- the common resource block starting from the first starting common resource block. How to determine the first starting common resource block can be divided into the following two cases (case A1 and case A2).
- the first downlink bandwidth part is the initial DL BWP defined by CORESET#0
- the first starting common resource block of the first control resource set is the second starting common resource block and the first according to CORESET#0.
- the configuration information of the control resource set is determined. Specifically, after determining the second starting common resource block of CORESET#0, the detailed process of determining the first starting common resource block can be referred to the detailed introduction of FIG. 6, where the fourth offset refers to the second of CORESET#0 The number of common resource blocks where the starting common resource block differs from the first starting common resource block of the first control resource set.
- the second starting common resource block of CORESET#0 refers to the minimum CRB occupied by CORESET#0; the first starting common resource block of the first control resource set refers to the smallest CRB occupied by the first control resource set.
- the second starting common resource block of CORESET#0 is determined according to the second starting physical resource block of CORESET#0 and the first offset.
- the first offset is used to indicate the relationship between the second starting physical resource block and the reference point The number of physical resource blocks that are different from each other.
- the reference point is a common reference point of the resource block grid.
- the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals. As shown in FIG. 4, the common reference point may be the position of reference point A (point A), which indicates the center position of subcarrier 0 in common resource block CRB0.
- the first offset is between the second starting physical resource block of the first downlink bandwidth part and the third starting physical resource block of the SS/PBCH block (Synchronization/Physical Broadcast Channel block, synchronization/physical broadcast channel block)
- the second offset and the SS/PBCH block common resource block offset are determined.
- the second offset is used to indicate the difference between the number of physical resource blocks between the second start physical resource block and the third start physical resource block of the SS/PBCH block;
- the common resource block offset of the SS/PBCH block is used to Indicates the number of physical resource blocks that differ between the third starting physical resource block and the reference point, as shown in FIG. 4 with respect to the offset of reference point A So that the first offset is equal to The value of the second offset is subtracted.
- the third starting physical resource block is the RB with the smallest RB index value of the CRB overlapping with the first RB of the SS/PBCH block.
- the first downlink bandwidth part can be obtained only by CORESET#0, so that the first control resource set can only be determined by the first downlink bandwidth part defined by CORESET#0 Frequency domain position.
- the first downstream bandwidth part can be defined by CORESET#0 and the first downstream bandwidth part is configured by SIB1. In this case, the first one defined by CORESET#0 is selected.
- the line bandwidth part determines the frequency domain position of the first set of control resources.
- the configuration information of the first control resource set can be obtained in the SIB 1 message.
- the configuration information can be The message carries configuration information of the first control resource set.
- the terminal device and the network device may determine the position of the first starting common resource of the first control resource set according to the second starting common resource block of CORESET#0.
- the terminal device A control resource set 1 monitors the downlink physical control channel to obtain uplink and downlink scheduling control information, and the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first control resource set 1 shown in FIG. 4.
- the terminal device monitors the downlink physical control channel according to the first control resource set 2 shown in FIG. 4 to obtain uplink and downlink scheduling control information, and the network device according to the first control resource set 2 shown in FIG. 4 Send uplink and downlink scheduling control information on the downlink physical control channel.
- the frequency domain position of the first control resource set determined in this way is the same, and the terminal device and the network device only need to calculate the position of the first control resource set once, which reduces the complexity of determining the frequency domain position of the first control resource set.
- the embodiment of the present application does not limit the determination time of the frequency domain position of the first control resource set, and the frequency domain position of the first downlink bandwidth part defined according to the configuration information and CORESET#0 may be determined before the terminal device is successfully accessed initially
- the frequency domain position of the first control resource set is determined, or the frequency domain position of the first control resource set may be determined according to the configuration information and the frequency domain position of the first downlink bandwidth part defined by CORESET#0 after the initial access is successful.
- the first downlink bandwidth part is the initial DL BWP configured by SIB 1
- the first starting common resource block of the first control resource set is the second start of the first downlink bandwidth part configured according to SIB 1.
- the configuration information of the common resource block and the first control resource set is determined. Specifically, after determining the second starting common resource block of the first downlink bandwidth portion configured by SIB1, the detailed process of determining the first starting common resource block of the first control resource set can be referred to the detailed introduction in FIG. 6, where
- the fifth offset refers to the number of common resource blocks that are different from the second starting common resource block of the first downlink bandwidth portion configured by SIB1 and the first starting common resource block of the first control resource set.
- the second starting common resource block of the first downlink bandwidth part is based on the second starting physical resource block and the first Three offsets are determined; where the third offset is used to indicate the number of physical resource blocks that differ between the second starting physical resource block and the reference point, the reference point is a common reference point of the resource block grid, the reference point It is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals. As shown in FIG. 5, the common reference point may be the position of reference point A (point A), which indicates the center position of subcarrier 0 in common resource block CRB0.
- point A point A
- the first downlink bandwidth part can be configured through CORESET#0 and SIB1.
- the first downlink bandwidth part configured with SIB1 is selected to determine the first control resource set Location in the frequency domain.
- the configuration information of the first control resource set can be obtained in the SIB 1 message.
- the configuration information can be The message carries configuration information of the first control resource set.
- the terminal device and the network device may determine the first starting common resource location of the first set of control resources according to the second starting common resource block of the first downlink bandwidth portion configured by SIB 1.
- the terminal device Monitor the downlink physical control channel according to the first control resource set 1 shown in FIG. 5 to obtain uplink and downlink scheduling control information, and the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first control resource set 1 shown in FIG. 5 .
- the terminal device monitors the downlink physical control channel according to the first control resource set 2 shown in FIG. 5 to obtain uplink and downlink scheduling control information, and the network device according to the first control resource set 2 shown in FIG. 5 Send uplink and downlink scheduling control information on the downlink physical control channel.
- the frequency domain position of the first control resource set determined in this manner is the same, and the terminal device and the network device only need to calculate the position of the first control resource set once, which reduces the complexity of determining the frequency domain position of the first control resource set.
- the embodiment of the present application does not limit the determination time of the frequency domain position of the first control resource set by the terminal device, and may be based on the configuration information and the frequency of the first downlink bandwidth portion configured by the SIB1 before the initial access of the terminal device is successful
- the domain position determines the frequency domain position of the first control resource set, or the frequency of the first control resource set can be determined according to the configuration information and the frequency domain position of the first downlink bandwidth portion configured by SIB1 after the initial access of the terminal device is successful Domain location.
- the time T in FIG. 3, FIG. 4 and FIG. 5 represents the time when the initial access of the terminal device is successful.
- the identification of the time T by the network device and the terminal device may be different.
- the time when the terminal device determines that the initial access is successful is used to indicate the following (3-1), (3-2), (3-3), (3-4) , (3-5), (3-6) one of the moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell radio network temporary identification C-RNTI;
- the moment when the network device determines that the initial access is successful is used to indicate one of the following moments (3-7), (3-8), (3-9), and (3-10):
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating DCI that needs to be blindly detected by C-RNTI scrambling;
- the network device receives the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, and then sends the terminal device configuration information indicating the DCI to be blindly detected by the C-RNTI scrambling.
- the frequency domain position of the first control resource set before and after the terminal device is successfully accessed is the same, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once.
- the complexity of determining the frequency domain bits of the first set of control resources is reduced.
- FIG. 6 provides an example diagram of the downlink bandwidth portion and the frequency domain position of the first control resource set for this application.
- the network device may indicate the resource allocation of the first control resource set in 1 BWP through high-level signaling frequencyDomainResources.
- the frequencyDomainResources here is the configuration information of the first control resource set involved in this application.
- frequencyDomainResources is a 45-bit bitmap (bit-map).
- the 45-bitmap indicates the frequency domain resource allocation of the first control resource set in the first downlink bandwidth portion, and each 1 bit indicates six consecutive non-overlapping physical resource blocks (PRBs).
- PRBs physical resource blocks
- the first starting common resource block index of the first control resource set is aligned with a multiple of 6 of the common resource block index.
- the starting common resource block index of the downlink bandwidth part is Then, since the index of the first starting common resource block of the first control resource set must be a multiple of 6, the starting common resource block of frequencyDomainResources is Specifically, it means that the six PRBs indicated by the first bit of the 45-bitmap start from CRB 36 and go up in order. If the bit value is 1, the corresponding 6 consecutive PRBs are allocated to the first control resource set, and if the bit value is 0, the corresponding 6 consecutive PRBs are not allocated to the first control resource set. If the PRB part indicated by the bit exceeds the downlink bandwidth part, the excess part is all set to 0, indicating that it is not allocated to the first control resource set.
- the downlink bandwidth part (DL BWP) involved in FIG. 6 may be the initial downlink bandwidth part defined by CORESET#0, or may be the initial downlink bandwidth part configured by SIB 1, or may be the newly configured initial DL BWP, or other DL BWP, etc.
- DL BWP downlink bandwidth part
- SIB initial downlink bandwidth part
- the network device may configure a first control resource set for the terminal device through high-level signaling (such as radio resource control (RRC) signaling) first control resource set configuration message, which includes the first Parameters such as CORESET id of control resource set, frequency domain resource indication, number of continuous OFDM symbols in time domain, etc.
- the number of continuous OFDM symbols in the time domain can be one of 1, 2, and 3.
- the frequency domain resource indication may be the 45-bit bitmap shown in FIG. 6.
- the network device configures a search space set to the terminal device through high-level signaling (such as RRC signaling) SearchSpace configuration message, which includes search space set id, 1 slot monitoring time indication, aggregation level, and aggregation level And the corresponding parameters such as the number of candidate PDCCHs.
- high-level signaling such as RRC signaling
- SearchSpace configuration message which includes search space set id, 1 slot monitoring time indication, aggregation level, and aggregation level And the corresponding parameters such as the number of candidate PDCCHs.
- searchSpace configuration message which includes search space set id, 1 slot monitoring time indication, aggregation level, and aggregation level And the corresponding parameters such as the number of candidate PDCCHs.
- searchSpace configuration message which includes search space set id, 1 slot monitoring time indication, aggregation level, and aggregation level And the corresponding parameters such as the number of candidate PDCCHs.
- the time domain position of the first control resource set blindly searched in searchSpace
- the downstream bandwidth part is defined by CORESET#0 or configured by SIB1
- the initial downstream bandwidth part defined by CORESET#0 is represented by the downstream bandwidth part one
- the initial downstream bandwidth part configured by SIB1 is assumed to be the downstream bandwidth part Two
- the common resource block of the downlink bandwidth part 1 is represented by a fifth common resource block
- the fifth common resource block includes a fifth starting common resource block and other common resource blocks occupied by the downlink bandwidth part 1.
- the common resource block of the downlink bandwidth part two is represented by a sixth common resource block
- the sixth common resource block includes the sixth starting common resource block and other common resource blocks occupied by the downlink bandwidth part two.
- the ssb-SubcarrierOffset (K SSB ) in the MIB indicates the RB and SS/ with the smallest RB index value of the CRB overlapping the first RB of the SS/PBCH block
- Subcarrier offset between the first RB of the PBCH block; the RB with the smallest index value of the CRB overlapping the first RB of the SS/PBCH block is the third from the SS/PBCH block involved in this application Start physical resource block.
- the second offset here refers to the difference in the number of physical resource blocks between the fifth starting physical resource block of the downlink bandwidth part 1 and the third starting physical resource block of the SS/PBCH block, and the second offset is in units of PRB .
- the fifth starting physical resource block of the downlink bandwidth part 1 can be determined according to the third starting physical resource block of the SS/PBCH block and the second offset.
- the scheduling information of SIB 1 is obtained, and the SIB 1 message is received on the scheduled time-frequency resource.
- the following information can be obtained:
- Offset relative to reference point A used to indicate the PRB offset between the third starting physical resource location of the cell-defining SS/PBCH block and Point A; the third starting physical here
- the resource location refers to the smallest index value RB of the CRB overlapping with the first RB of the SS/PBCH block.
- the third starting common resource block of the SS/PBCH block can be determined according to the offsetToPointA and the third starting physical resource position of the SS/PBCH block.
- the third starting common resource block refers to the first with the SS/PBCH block The RB with the smallest index value of CRBs with overlapping RBs.
- offsetToPointA can be combined with the second offset in (2) to determine the first offset
- the fifth offset of the downlink bandwidth part 1 can be determined according to the first offset and the fifth starting physical resource block of the downlink bandwidth part one
- the starting common resource block, and the fifth starting common resource block refers to the lowest common resource block occupied by the downlink bandwidth part one.
- locationAndBandwidth used to indicate information such as the starting physical resource block containing downlink bandwidth part 2 and the number of common resource blocks occupied, as shown in FIG. 8.
- carrierBandwidth used to indicate a group of carriers corresponding to different subcarrier intervals and the width of each carrier in the frequency domain;
- OffsetToCarrier used to indicate the frequency domain offset of the lowest available subcarrier of each carrier from point A, where Point A is the center position of subcarrier 0 of Common RB.
- the sixth starting common resource block of downlink bandwidth part 2 and other common resource blocks occupied by downlink bandwidth part 2 can be determined.
- the sixth starting common resource block refers to the lowest common resource occupied by downlink bandwidth part two Piece.
- the resource block grids involved in various embodiments of the present application are used to map physical resources.
- the time-frequency resource unit (Resource, Element) is the basic unit.
- a RE is composed of a symbol in the time domain and a subcarrier in the frequency domain, and all OFDM symbols in a time slot and frequency domain 12 subcarriers form a resource block (Resource Block, RB), the position of the RE is represented by (k, l), k represents the sequence number of OFDM, l represents the sequence number of the subcarrier, and can be located by giving the coordinates (k, l) To the specified RE.
- the terminal device may obtain the configuration information of the first control resource set through the ServingCellConfigCommonSIB in the SIB 1 message, and then Determine the first starting common resource block of the first control resource set with reference to the lower bandwidth part one, or determine the first starting common resource block of the first control resource set with reference to the lower bandwidth part two.
- FIG. 9 provides a schematic flowchart of another method for determining a frequency domain position of a control resource set for an embodiment of the present application.
- the method shown in FIG. 9 includes step 901 and step 902.
- the network device Before the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device.
- the terminal device receives the configuration information of the first control resource set.
- the network device After the initial access of the terminal device is successful, the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set.
- the terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set.
- the configuration information is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth part.
- the identifier of the first control resource set in this application is not 0.
- the terminal device Before the initial access of the terminal device is successful, the terminal device will not monitor the downlink physical control channel according to the common resource block set occupied by the first control resource set.
- the frequency domain position of the first control resource set is determined with reference to a downlink bandwidth portion.
- the configuration information of the first control resource set can be obtained from SIB1, and the configuration information can take effect after the initial access of the terminal device is successful.
- the validity refers to: the terminal device can be based on the first control resource set The frequency domain position monitors the downlink physical control channel to obtain uplink and downlink scheduling control information; or, the network device may send uplink and downlink scheduling control information on the downlink physical control channel according to the frequency domain position of the first control resource set.
- the configuration information of the first downlink bandwidth part can also be obtained from SIB1, but the first configuration of SIB1
- the configuration information of the line bandwidth part takes effect after the initial access of the terminal device is successful.
- the effect here refers to: the downlink control information can be received according to the frequency domain position of the first downlink bandwidth part configured by SIB 1, or the network device can The frequency domain position of the first downlink bandwidth part configured by SIB1 sends downlink control information.
- the terminal device may use a high-level signaling locationAndBandwidth and/or other parameters of the first downlink bandwidth part to determine the frequency domain position of the first downlink bandwidth part.
- the first common resource block occupied by the first control resource set includes a first starting common resource block and other common resource blocks occupied by the first control resource set.
- both the network device and the terminal device can implement the determination of the first starting common resource block, and both can implement the determination of the first control resource set occupation according to the configuration information and the starting common resource block of the reference downlink bandwidth part
- the common resource block starting from the first starting common resource block. How to determine the first starting common resource block can be divided into the following two cases (case B1 and case B2).
- the first downlink bandwidth part is the initial DL BWP defined by CORESET#0
- the first starting common resource block of the first control resource set is the second starting common resource block and the first according to CORESET#0.
- the configuration information of the control resource set is determined. Specifically, after determining the second starting common resource block of CORESET#0, the detailed process of determining the first starting common resource block can be referred to the detailed introduction of FIG. 6, where the fourth offset refers to the second of CORESET#0 The number of common resource blocks where the starting common resource block differs from the first starting common resource block of the first control resource set.
- the second starting common resource block of CORESET#0 refers to the minimum CRB occupied by CORESET#0; the first starting common resource block of the first control resource set refers to the smallest CRB occupied by the first control resource set.
- the second starting common resource block of CORESET#0 is determined according to the second starting physical resource block of CORESET#0 and the first offset.
- the first offset is used to indicate the relationship between the second starting physical resource block and the reference point The number of physical resource blocks that are different from each other.
- the reference point is a common reference point of the resource block grid.
- the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals. As shown in FIG. 10, the common reference point may be the position of reference point A (point A), which indicates the center position of subcarrier 0 in common resource block CRB0.
- the first offset is based on the second offset between the second starting physical resource block of the first downlink bandwidth portion and the third starting physical resource block of the SS/PBCH block and the common resource block offset of the SS/PBCH block Move ok.
- the second offset is used to indicate the difference between the number of physical resource blocks between the second start physical resource block and the third start physical resource block of the SS/PBCH block;
- the common resource block offset of the SS/PBCH block is used to The number of physical resource blocks indicating the difference between the third starting physical resource block and the reference point, as shown in FIG. 10 with respect to the offset of reference point A So that the first offset is equal to The value of the second offset is subtracted.
- the third starting physical resource block is the RB with the smallest RB index value of the CRB overlapping the first RB of the SS/PBCH block.
- the first downstream bandwidth part can be configured/defined through CORESET#0 and SIB1.
- the first downstream bandwidth part defined by CORESET#0 is selected to determine the first Control the frequency domain position of the resource set.
- the configuration information of the first control resource set can be obtained in the SIB 1 message.
- the configuration information can be The message carries configuration information of the first control resource set.
- the terminal device and the network device may determine the first starting common resource location of the first control resource set according to the second starting common resource block of CORESET#0.
- the terminal device A control resource set monitors the downlink physical control channel to obtain uplink and downlink scheduling control information, and the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first control resource set shown in FIG.
- the frequency domain position of the first control resource set determined in this way is the same, and the terminal device and the network device only need to calculate the position of the first control resource set once, which reduces the complexity of determining the frequency domain position of the first control resource set.
- the embodiment of the present application does not limit the determination time of the frequency domain position of the first control resource set, and the frequency domain position of the first downlink bandwidth part defined according to the configuration information and CORESET#0 may be determined before the terminal device is successfully accessed initially
- the frequency domain position of the first control resource set is determined, or the frequency domain of the first control resource set may be determined according to the configuration information and the frequency domain position of the first downlink bandwidth part defined by CORESET#0 after the initial access of the terminal device is successful position.
- the first downlink bandwidth part is the initial DL BWP configured by SIB 1
- the first common resource block of the first control resource set is the second start of the first downlink bandwidth part configured according to SIB 1.
- the configuration information of the common resource block and the first control resource set is determined. Specifically, after determining the second starting common resource block of the first downlink bandwidth portion configured by SIB1, the detailed process of determining the first starting common resource block of the first control resource set can be referred to the detailed introduction in FIG. 6, where
- the fifth offset refers to the number of common resource blocks that are different from the second starting common resource block of the first downlink bandwidth portion configured by SIB1 and the first starting common resource block of the first control resource set.
- the second starting common resource block of the first downlink bandwidth part is based on the second starting physical resource block and the first Three offsets are determined; where the third offset is used to indicate the number of physical resource blocks that differ between the second starting physical resource block and the reference point, the reference point is a common reference point of the resource block grid, the reference point It is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals. As shown in FIG. 11, the common reference point may be the position of reference point A (point A), which indicates the center position of subcarrier 0 in common resource block CRB0.
- point A point A
- the first downlink bandwidth part is configured through SIB1.
- the first downlink bandwidth part can be configured through CORESET#0 and SIB1.
- the first downlink bandwidth part configured with SIB1 is selected to determine the first control resource set Location in the frequency domain.
- the configuration information of the first control resource set can be obtained in the SIB 1 message.
- the configuration information can be The message carries configuration information of the first control resource set.
- the terminal device and the network device may determine the first starting common resource location of the first control resource set according to the second starting common resource block of the first downlink bandwidth portion configured by SIB 1.
- the terminal device After the terminal device has successfully accessed the terminal, the terminal device According to the first control resource set shown in FIG. 11, the downlink physical control channel is monitored to obtain uplink and downlink scheduling control information, and the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first control resource set shown in FIG. 11.
- the frequency domain position of the first control resource set determined in this way is the same, and the terminal device and the network device only need to calculate the position of the first control resource set once, which reduces the complexity of determining the frequency domain position of the first control resource set.
- the embodiment of the present application does not limit the determination time of the frequency domain position of the first control resource set, and may be determined according to the configuration information and the frequency domain position of the first downlink bandwidth portion configured by the SIB 1 before the terminal device is successfully accessed initially.
- the frequency domain position of the first control resource set, or the frequency domain position of the first control resource set may be determined according to the configuration information and the frequency domain position of the first downlink bandwidth portion configured by the SIB1 after the terminal device has successfully accessed initially.
- the time T in FIGS. 9, 10 and 11 represents the time when the terminal device successfully accesses initially.
- the identification of the time T by the network device and the terminal device may be different.
- the time when the terminal device determines that the initial access is successful is used to indicate the following (10-1), (10-2), (10-3), (10-4) , (10-5), (10-6) one of the moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the moment when the network device determines that the initial access is successful is used to indicate one of the following moments (10-7), (10-8), (10-9), (10-10):
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI to be scrambled by the blind detection C-RNTI;
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI that needs to be blindly detected by C-RNTI scrambling.
- the network device before the initial access of the terminal device is successful, the network device does not send uplink and downlink scheduling control information on the downlink physical control channel according to the common resource block set occupied by the first control resource set, and the terminal device does not
- the downlink physical control channel will be monitored according to the frequency domain position of the first control resource set, so that neither the network device nor the terminal device needs to determine the frequency domain position of the first control resource set before the terminal device successfully accesses the initial access.
- the frequency domain position of the subsequent first control resource set is determined by the referenced downlink bandwidth part, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once, which reduces the determination of the first control resource set
- the complexity of the frequency domain bits is determined by the referenced downlink bandwidth part, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once, which reduces the determination of the first control resource set The complexity of the frequency domain bits.
- FIG. 12 is a schematic flowchart of another method for determining a frequency domain position of a control resource set for an embodiment of the present application.
- the method shown in FIG. 12 includes steps 1201 to 1203.
- the network device Before the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device.
- the terminal device receives the configuration information of the first control resource set.
- the network device Before the initial access of the terminal device is successful, the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set.
- the terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set.
- the network device After the initial access of the terminal device is successful, the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the third common resource block set occupied by the first control resource set.
- the terminal device monitors the downlink physical control channel according to the third common resource block set occupied by the first control resource set to obtain uplink and downlink scheduling control information.
- the first starting common resource block included in the first common resource block set is the configuration information of the second starting common resource block and the first control resource set according to the first downlink bandwidth part It is determined that the configuration information is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion.
- the first downlink bandwidth part here may be defined by CORESET#0.
- the third starting common resource block included in the third common resource block set is determined according to the configuration information of the fourth starting common resource block of the second downlink bandwidth part and the first control resource set
- the configuration information is used to indicate the position of the physical resource block occupied by the first control resource set in the second downlink bandwidth portion.
- the second downlink bandwidth part here may be configured by SIB1.
- the second starting common resource block of the first downlink bandwidth portion is the same as the fourth starting common resource block of the second downlink bandwidth portion.
- the downlink bandwidth part referenced by the first control resource set before and after the successful initial access of the terminal device is different, by setting the starting common resource blocks of the two downlink bandwidth parts to be the same, it can still be made according to the first downlink bandwidth part
- the first starting common resource block of the first control resource set is determined to be the same as the third starting common resource block of the second control resource set determined according to the second downlink bandwidth portion.
- the identifier of the first control resource set in this application is not 0.
- the configuration information of the first control resource set can be obtained from SIB1, and the configuration information can take effect before or after the initial access of the terminal device is successful.
- the validity means that the terminal device can be controlled according to the first control
- the frequency domain position of the resource set monitors the downlink physical control channel to obtain uplink and downlink scheduling control information; or, the network device may send uplink and downlink scheduling control information on the downlink physical control channel according to the frequency domain position of the first control resource set.
- the configuration information of the first downlink bandwidth part can also be obtained from SIB1, but the first configuration of SIB1
- the configuration information of the line bandwidth part takes effect after the initial access of the terminal device is successful.
- the effect means that the terminal device can determine the first downlink bandwidth by using a high-level signaling locationAndBandwidth and/or other parameters of the first downlink bandwidth part Part of the frequency domain location, and can receive downlink control information according to the frequency domain location of the first downlink bandwidth portion configured by SIB 1, or the network device can send downlink according to the frequency domain location of the first downlink bandwidth portion configured by SIB 1. Control information.
- the first common resource block occupied by the first control resource set includes the first starting common resource block and other common resource blocks occupied by the first control resource set.
- the third common resource block occupied by the first control resource set includes a third starting common resource block and other common resource blocks occupied by the first control resource set.
- both the network device and the terminal device can implement the determination of the first starting common resource block and the third starting common resource block, and both can implement the starting common resource according to the configuration information and the referenced downlink bandwidth part
- the block determines the common resource block occupied by the first starting common resource block occupied by the first control resource set, and both can implement the determination of the first control resource set occupation according to the configuration information and the starting common resource block of the reference downlink bandwidth part
- the common resource block starting from the third starting common resource block.
- the first downlink bandwidth part is the initial DL BWP defined by CORESET#0
- the first starting common resource block of the first control resource set 1 is the second starting common resource block and the first starting common resource block according to CORESET#0. 1.
- the configuration information of the control resource set is determined.
- the second downlink bandwidth part is the initial DL BWP configured by SIB1
- the third starting common resource block of the first control resource set 2 is the fourth starting common resource block and the first control resource of the initial DL BWP configured according to SIB1
- the configuration information of the collection is determined.
- the second starting common resource block of the first downlink bandwidth portion is the same as the fourth starting common resource block of the second downlink bandwidth portion.
- the detailed process of determining the first starting common resource block of the first control resource set 1 can be referred to the detailed introduction in FIG. 6.
- the detailed process of determining the third starting common resource block of the first control resource set 2 can be referred to the detailed introduction in FIG. 6, where the fourth deviation Shift refers to the number of common resource blocks where the second starting common resource block of CORESET#0 is different from the first starting common resource block of the first control resource set.
- the second starting common resource block of CORESET#0 refers to the minimum CRB occupied by CORESET#0; the first starting common resource block of the first control resource set refers to the smallest CRB occupied by the first control resource set.
- the second starting common resource block of CORESET#0 is determined according to the second starting physical resource block of CORESET#0 and the first offset.
- the first offset is used to indicate the relationship between the second starting physical resource block and the reference point The number of physical resource blocks that are different from each other.
- the reference point is a common reference point of the resource block grid.
- the reference point is used to indicate the center position of subcarrier 0 in the common resource block CRB 0 configured at preset subcarrier intervals. As shown in FIG. 4, the common reference point may be the position of reference point A (point A), which indicates the center position of subcarrier 0 in common resource block CRB0.
- the first offset is determined according to the second offset between the second starting physical resource block of CORESET#0 and the third starting physical resource block of the SS/PBCH block and the common resource block offset of the SS/PBCH block .
- the second offset is used to indicate the difference between the number of physical resource blocks between the second starting physical resource block and the third starting physical resource block of the SS/PBCH block;
- the common resource block offset of the SS/PBCH block is used to The number of physical resource blocks indicating the difference between the third starting physical resource block and the reference point, as shown in FIG. 10, is offset from the reference point A So that the first offset is equal to The value of the second offset is subtracted.
- the fourth starting common resource block of the second downlink bandwidth part (initial DL BWP configured in SIB1 in FIG. 13) is based on the second downlink bandwidth part
- the fourth starting physical resource block and the third offset are determined; where the third offset is used to indicate the number of physical resource blocks that differ between the fourth starting physical resource block and the reference point, the reference point is shown in FIG. 13
- the location of reference point A point A.
- the configuration information of the first control resource set can be obtained in the SIB 1 message.
- the configuration information can be The message carries configuration information of the first control resource set.
- the terminal device and the network device may determine the first starting common resource location of the first control resource set 1 according to the second starting common resource block of CORESET#0, and the fourth starting common resource of the initial DL BWP that may be configured according to SIB1 The block determines the third starting common resource location of the first control resource set 2.
- the terminal device Before the initial access of the terminal device is successful, the terminal device monitors the downlink physical control channel according to the first control resource set 1 shown in FIG. 13 to obtain uplink and downlink scheduling control information, and the network device according to the first control resource set 1 shown in FIG. 13 Send uplink and downlink scheduling control information on the downlink physical control channel.
- the terminal device monitors the downlink physical control channel according to the first control resource set 2 shown in FIG. 13 to obtain uplink and downlink scheduling control information, and the network device according to the first control resource set 2 shown in FIG. 13 Send uplink and downlink scheduling control information on the downlink physical control channel.
- the frequency domain position of the first control resource set determined in this way is the same, and the terminal device and the network device only need to calculate the position of the first control resource set once, which reduces the complexity of determining the frequency domain position of the first control resource set.
- the embodiment of the present application does not limit the determination time of the frequency domain position of the first control resource set, for example, the frequency domain position of the first control resource set is monitored/transmitted on the first control resource set 1 or the first control resource set 2 It may be determined beforehand, which is not limited in the embodiments of the present application.
- the time T in FIG. 12 and FIG. 13 represents the time when the initial access of the terminal device is successful.
- the identification of the time T by the network device and the terminal device may be different.
- the time when the terminal device determines that the initial access is successful is used to indicate the following (13-1), (13-2), (13-3), (13-4) , (13-5), (13-6), (13-7), (13-8), (13-9), (13-10) one of the moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell radio network temporary identification C-RNTI;
- the terminal device When the common resource blocks occupied by the first downlink bandwidth part and the second downlink bandwidth part are different, the terminal device successfully receives the initial transmission message 4 and sends a confirmation message to the network device. The moment when the switching of the downlink bandwidth part is switched to the second downlink bandwidth part;
- the terminal device When the common resource blocks occupied by the first downlink bandwidth part and the second downlink bandwidth part are different, the terminal device successfully receives the retransmitted message 4 and sends a confirmation message to the network device. The moment when the switching of the downlink bandwidth part is switched to the second downlink bandwidth part;
- the terminal device successfully receives the initial transmission message 4 and switches from the first downlink bandwidth part to the first After the second downlink bandwidth part, the moment when the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the terminal device When the common resource blocks occupied by the first downlink bandwidth part and the second downlink bandwidth part are different, the terminal device successfully receives the retransmitted message 4 and switches from the first downlink bandwidth part to the first After the second downlink bandwidth part, the moment when the terminal device successfully receives the downlink control information DCI scrambled by the cell wireless network temporary identification C-RNTI;
- the terminal device successfully receives the initially transmitted message 4 and switches from the first downlink bandwidth part to the first After the second downlink bandwidth part, the moment when the terminal device successfully receives the configuration information indicating DCI to be scrambled blindly by C-RNTI;
- the terminal device successfully receives the initial transmission message 4 and switches from the first downlink bandwidth part to the first After the second downlink bandwidth part, the moment when the terminal device successfully receives the configuration information indicating the DCI to be scrambled blindly by the C-RNTI.
- the moment when the network device determines that the initial access is successful is used to indicate one of the following moments (13-11), (13-12), (13-13), (13-14):
- the network device After receiving the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating that DCI scrambling for blind detection C-RNTI is required;
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating the DCI to be scrambled by the blind detection C-RNTI;
- the network device receives the confirmation message sent by the terminal device for the initial transmission message 4 sent by the network device and After switching from the first downlink bandwidth part to the second downlink bandwidth part, the moment when DCI configuration information indicating that blind detection C-RNTI scrambling is required is sent to the terminal device;
- the network device receives the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device and After switching from the first downlink bandwidth part to the second downlink bandwidth part, the time when the configuration information indicating the DCI to be blindly detected by the C-RNTI scrambling is sent to the terminal device.
- the frequency domain position of the first control resource set may be determined according to the frequency domain positions of different downlink bandwidth parts, but due to the setting of different downlink bandwidth parts
- the position of the starting common resource block is the same, and the frequency domain position of the first control resource set referenced to different downlink bandwidth parts can still be the same, so that the terminal device and the network device only need to calculate the first control resource set once Location in the frequency domain reduces the complexity of determining the frequency domain bits of the first set of control resources.
- FIG. 14 is a schematic flowchart of another method for determining a frequency domain position of a control resource set for an embodiment of the present application.
- the method shown in FIG. 14 includes step 1401 and step 1402.
- the network device After the initial access of the terminal device is successful, the network device sends the configuration information of the first control resource set to the terminal device.
- the terminal device receives the configuration information of the first control resource set.
- the network device After the initial access of the terminal device is successful, the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set.
- the terminal device monitors the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set.
- the configuration information is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth part.
- the identifier of the first control resource set in this application is not 0.
- the configuration information of the first control resource set will not be configured until the terminal device is successfully accessed initially.
- the configuration information of the first set of control resources will be configured only after the initial access of the terminal device is successful.
- the terminal device may monitor the downlink physical control channel according to the common resource block set occupied by the first control resource set.
- the frequency domain position of the first control resource set is determined with reference to a downlink bandwidth portion.
- the configuration information of the first control resource set may be obtained from the SIB 1 after the terminal device has successfully accessed initially, and the configuration information may take effect after the terminal device has successfully accessed initially.
- the effect here refers to: the terminal device
- the downlink physical control channel may be monitored according to the frequency domain position of the first control resource set to obtain uplink and downlink scheduling control information; or, the network device may send the uplink and downlink scheduling control information on the downlink physical control channel according to the frequency domain position of the first control resource set .
- the configuration information of the first control resource set may be configured from other messages that configure the downlink bandwidth part after the initial access of the terminal device is successful, which is not limited in the embodiment shown in FIG. 14.
- the configuration information of the first control resource set and the configuration information of the first downlink bandwidth portion are received at the same time, and the configuration information of the first control resource set It is included in the configuration information of the first downlink bandwidth part.
- the determination of the frequency domain position of the first control resource set is based on the first set bandwidth containing the configuration information of the first control resource set. That is, after the initial access of the terminal device is successful, the configuration information of the first control resource set and the configuration information of the first downlink bandwidth part can be obtained in one configuration message at the same time.
- the frequency domain position of the first control resource set is determined according to the first downlink bandwidth part and the configuration information of the first control resource set.
- the first common resource block occupied by the first control resource set includes a first starting common resource block and other common resource blocks occupied by the first control resource set.
- both the network device and the terminal device can implement the determination of the first starting common resource block, and both can implement the determination of the first control resource set occupation according to the configuration information and the starting common resource block of the reference downlink bandwidth part
- the common resource block starting from the first starting common resource block.
- FIG. 15 provides another exemplary diagram of the frequency domain position of the control resource set for the embodiment of the present application.
- the first downlink bandwidth part is configured by SIB 1 or other configuration messages
- the first starting common resource block of the first control resource set is the second starting common resource according to the first downlink bandwidth part
- the configuration information of the block and the first control resource set is determined.
- the detailed process of determining the first starting common resource block can be referred to the detailed introduction in FIG. 6, where the fifth offset refers to SIB 1 or The number of common resource blocks that are different from the second starting common resource block of the first downlink bandwidth portion configured by other configuration messages and the first starting common resource block of the first control resource set.
- the second starting common resource block of the first downlink bandwidth part is determined according to the second starting physical resource block of the first downlink bandwidth part and the third offset; where the third offset is used to indicate the first 2.
- the reference point is a common reference point of the resource block grid.
- the reference point is used to indicate the common resource block CRB configured at preset subcarrier intervals.
- the common reference point may be the position of reference point A (point A), which indicates the center position of subcarrier 0 in common resource block CRB0.
- the first downlink bandwidth part can be configured through CORESET#0 and other configuration messages.
- the first downlink bandwidth configured after the initial access of the terminal device is successfully selected Partially determine the frequency domain position of the first set of control resources.
- the configuration information of the first control resource set may be obtained in the configuration message, and for the network device, after the initial access of the terminal device is successful, the configuration message may be Carry the configuration information of the first set of control resources.
- the terminal device and the network device may determine the first starting common resource position of the first control resource set according to the second starting common resource block of the first downlink bandwidth part in the configuration message.
- the terminal device After the terminal device has successfully accessed the terminal, the terminal device According to the first control resource set shown in FIG. 15, the downlink physical control channel is monitored to obtain uplink and downlink scheduling control information, and the network device sends uplink and downlink scheduling control information on the downlink physical control channel according to the first control resource set shown in FIG. 15.
- the frequency domain position of the first control resource set determined in this way is the same, and the terminal device and the network device only need to calculate the position of the first control resource set once, which reduces the complexity of determining the frequency domain position of the first control resource set.
- the time T in FIG. 14 and FIG. 15 represents the time when the initial access of the terminal device is successful.
- the identification of the time T by the network device and the terminal device may be different.
- the time when the terminal device determines that the initial access is successful is used to indicate the following (15-1), (15-2), (15-3), (15-4) , (15-5), (15-6) one of the moments:
- the terminal device After the terminal device successfully receives the retransmitted message 4, the terminal device successfully receives the downlink control information DCI scrambled by the cell radio network temporary identification C-RNTI;
- the moment when the network device determines that the initial access is successful is used to indicate one of the following moments (15-7), (15-8), (15-9), (15-10):
- the network device After receiving the confirmation message sent by the terminal device for the retransmission message 4 sent by the network device, the network device sends the terminal device configuration information indicating DCI to be scrambled by the C-RNTI for blind detection.
- the network device before the initial access of the terminal device is successful, the network device does not send uplink and downlink scheduling control information on the downlink physical control channel according to the common resource block set occupied by the first control resource set, and the terminal device does not
- the downlink physical control channel will be monitored according to the frequency domain position of the first control resource set, so that neither the network device nor the terminal device needs to determine the frequency domain position of the first control resource set before the terminal device successfully accesses the initial access.
- the frequency domain position of the subsequent first control resource set is determined by the referenced downlink bandwidth part, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once, which reduces the determination of the first control resource set
- the complexity of the frequency domain bits is determined by the referenced downlink bandwidth part, so that the terminal device and the network device only need to calculate the frequency domain position of the first control resource set once, which reduces the determination of the first control resource set The complexity of the frequency domain bits.
- the time at which the network device configures the first set of control resources is not limited. That is to say, the configuration message of the first control resource set may be configured before the initial access of the terminal device is successful, or may be configured after the initial access of the terminal device is successful. In this scenario, various implementable solutions described in FIGS. 3 to 15 may be included.
- the terminal device may listen to the channel to obtain configuration information of the first set of control resources before initial access; the first control resource set is obtained at the terminal device In the case that the configuration information of the first control resource set or the configuration information of the first control resource set is not obtained, the terminal device may monitor the channel after initial access to obtain the configuration information of the first control resource set.
- the time at which the downlink bandwidth part referenced by the first control resource set is configured may not be limited.
- the terminal device receives
- the position of the first control resource set may be determined by referring to the frequency domain position of the new downlink bandwidth part.
- the time at which the network device configures the first set of control resources may be restricted.
- the configuration message that limits the first set of control resources may be configured after the initial access of the terminal device is successful.
- FIG. 14 and FIG. 15 reference may be made to the implementation solutions described in FIG. 14 and FIG. 15.
- the terminal device since the moment when the network device configures the first set of control resources is after the initial access of the terminal device is successful, the terminal device does not need to monitor the channel before the initial access, but after the initial access of the terminal device is successful, The terminal device starts monitoring the channel to obtain configuration information of the first control resource set. This can reduce the power loss caused by the uncertain monitoring of the terminal equipment.
- the time to configure the downlink bandwidth part referenced by the first control resource set may be restricted.
- the configuration time to limit the downlink bandwidth part is when the terminal device initially accesses successfully After that, once the network device is configured with a new downlink bandwidth part, when the terminal device receives the configuration information of the new downlink bandwidth part, the frequency domain position of the new downlink bandwidth part may be referred to to determine the first control resource set position.
- the network device configures the first control resource set, the newly configured initial DL BWP or other DL BWP (non-initial DL BWP or BWP with BWP_ID not 0) to the terminal device through high-level signaling (such as RRC signaling) At least one of:
- the frequency domain position of the first control resource set is referenced by CORESET#0 or the newly configured initial DL BWP. That is, in the embodiments shown in FIG. 3 to FIG. 15, after the initial access of the terminal device is successful, the network device configures the terminal device with the newly configured initial DL BWP through high-level signaling (such as RRC signaling), and When the newly configured initial DL BWP and the initial DL BWP configured in SIB1 have the same subcarrier spacing, the frequency domain position of the first control resource set is referenced by CORESET#0 or the newly configured initial DL BWP.
- high-level signaling such as RRC signaling
- the initial DL BWP is configured by the SIB 1 before the initial access of the terminal device is successful, and the first control resource set is configured in other DL BWP, including the following two cases (1) and (2):
- the frequency domain position of other DL BWP includes the frequency domain position of CORESET#0 or the frequency domain position of the initial DL BWP configured by SIB 1, and the subcarrier spacing of other DL BWP and the initial DL BWP configured by SIB1 is the same Then, the frequency domain position of the first control resource set is referenced according to the downlink bandwidth part that is referenced before the initial access is successful.
- the frequency domain position of other DL BWP does not include the frequency domain position of CORESET#0 or the frequency domain position of the initial DL BWP configured by SIB1 or the frequency domain position of other DL BWP includes the frequency domain position of CORESET#0 Or if it contains the frequency domain position of the initial DL BWP configured by SIB1 and the subcarrier spacing of other DL BWP is different from the initial DL BWP configured by SIB1, the other DL BWP is used as a reference.
- the terminal device when it successfully receives the message sent by the network device, it feeds back a 1-bit message to confirm/acknowledge (ACK) or negative (Negative ACKnowledgment, NACK) the received message.
- the network device decides whether to send new data or retransmit based on whether the feedback from the terminal device is ACK (bit value 1) or NACK message (bit value 0).
- the time involved in sending a certain message in the embodiments of the present application may be the time when the sending of the message starts or the time when the sending of the message is confirmed to be completed, which is not limited in the present application.
- the time for sending the confirmation message designed in the embodiments of FIG. 3 to FIG. 15 may refer to the time for sending the confirmation message or the time for confirming the completion of sending the confirmation message.
- the frequency domain resource position of the first control resource set is limited to the frequency domain resource range of CORESET#0, that is, less than or equal to CORESET#0. Frequency domain resource size. If the first control resource set is not configured in SIB1, but is configured in other high-level signaling (such as RRC signaling), the frequency domain resource position of the first control resource set may be within the frequency domain resource range of CORESET#0 , May not be within the frequency domain resources of CORESET#0.
- the network device configures the terminal device with other downlink bandwidth parts through high-level signaling (such as RRC signaling).
- the frequency domain resource range includes the frequency domain resource range of the first downlink bandwidth part, and the subcarrier spacing of other downlink bandwidth parts is the same as the subcarrier interval of the first downlink bandwidth part, if there is no configuration in the currently activated downlink bandwidth part
- the network device may configure the terminal device in the other downlink bandwidth section for random access channels configured in the first downlink bandwidth section through higher-layer signaling (such as RRC signaling).
- the identifier of the currently activated downlink bandwidth part takes a non-zero value. In this process, the terminal device does not need to change the radio frequency bandwidth or switch the carrier center frequency.
- the terminal device and the network device include hardware structures and/or software modules corresponding to performing each function.
- the embodiments of the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driven hardware depends on the specific application of the technical solution and design constraints. A person skilled in the art may use different devices to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the technical solutions of the embodiments of the present application.
- the terminal device and the network device may be divided into functional modules or functional units according to the foregoing device examples.
- each functional module or functional unit may be divided corresponding to each function, or two or more functions may be integrated In a processing module or processing unit.
- the above integrated modules or units can be implemented in the form of hardware or software function modules. It should be noted that the division of modules or units in the embodiments of the present application is schematic, and is only a division of logical functions. In actual implementation, there may be another division manner.
- FIG. 16 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
- the terminal device is used to implement the device embodiments of FIGS. 3 to 15.
- the terminal device 1600 includes a transceiver module 1601 and a processing module 1602.
- the transceiver module 1601 and the processing module 1602 are used to implement the content of the embodiments shown in FIGS. 3 to 5. among them:
- the transceiver module 1601 is configured to receive the configuration information of the first control resource set before the initial access of the terminal device is successful;
- the processing module 1602 is configured to monitor the downlink physical control channel according to the first set of common resource blocks occupied by the first set of control resources before the initial access of the terminal device is successful or after the initial access of the terminal device is successful To obtain uplink and downlink scheduling control information;
- the first starting common resource block included in the first common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, the configuration information It is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion.
- the transceiver module 1601 and the processing module 1602 are used to implement the content of the embodiments shown in FIGS. 9 to 11. among them:
- the transceiver module 1601 is configured to receive the configuration information of the first control resource set before the initial access of the terminal device is successful;
- the processing module 1602 is configured to not monitor the downlink physical control channel according to the common resource block set occupied by the first control resource set before the initial access of the terminal device is successful;
- the processing module 1602 is further configured to monitor the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set after the initial access of the terminal device is successful;
- the first starting common resource block included in the first common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, the configuration information It is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion.
- the transceiver module 1601 and the processing module 1602 are used to implement the content of the embodiments shown in FIGS. 12 to 13. among them:
- the transceiver module 1601 is configured to receive the configuration information of the first control resource set before the initial access of the terminal device is successful;
- the processing module 1602 is configured to monitor the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set before the initial access of the terminal device is successful;
- the first starting common resource block included in a common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, and the configuration information is used to indicate The position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion;
- the processing module 1602 is further configured to monitor the downlink physical control channel to obtain uplink and downlink scheduling control information according to the third common resource block set occupied by the first control resource set after the initial access of the terminal device is successful;
- the third starting common resource block included in the third common resource block set is determined according to configuration information of the fourth starting common resource block of the second downlink bandwidth portion and the first control resource set, and the configuration information is used for Indicating the position of the physical resource block occupied by the first control resource set in the second downlink bandwidth portion;
- the second starting common resource block of the first downlink bandwidth portion is the same as the fourth starting common resource block of the second downlink bandwidth portion.
- the transceiver module 1601 and the processing module 1602 are used to implement the content of the embodiments shown in FIG. 14 to FIG. 15. among them:
- the transceiver module 1601 is configured to receive configuration information of the first control resource set after initial terminal device access is successful;
- the processing module 1602 is configured to monitor the downlink physical control channel to obtain uplink and downlink scheduling control information according to the first common resource block set occupied by the first control resource set after the initial access of the terminal device is successful;
- the first starting common resource block included in the first common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, the configuration information It is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion.
- the terminal device 1600 is used to implement the steps performed by the terminal device in the embodiments of FIGS. 3 to 15.
- the terminal device 1600 is used to implement the steps performed by the terminal device in the embodiments of FIGS. 3 to 15.
- the terminal device 1600 is used to implement the steps performed by the terminal device in the embodiments of FIGS. 3 to 15.
- the terminal device 1600 is used to implement the steps performed by the terminal device in the embodiments of FIGS. 3 to 15.
- the terminal device 1600 is used to implement the steps performed by the terminal device in the embodiments of FIGS. 3 to 15.
- the terminal device 1600 is used to implement the steps performed by the terminal device in the embodiments of FIGS. 3 to 15.
- the transceiver module may be a receiver or a receiving circuit.
- the transceiver module may also be a communication interface of the terminal device.
- the processing module may be a processor.
- the terminal device 1600 in the embodiment shown in FIG. 16 described above may be implemented by the terminal device 1160 shown in FIG. 17. As shown in FIG. 17, it is a schematic structural diagram of another terminal device provided in the embodiment of the present application.
- the terminal device 1160 shown in FIG. 17 includes: a processor 1701 and a transceiver 1702.
- the transceiver 1702 is used to support information transmission between the terminal device 1160 and other terminal devices or other devices involved in the foregoing embodiments.
- the processor 1701 is used to control and manage the operation of the terminal device.
- the transceiver 1702 is used to implement receiving the messages in steps 301, 302, and 303 in the embodiment shown in FIG. 3; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps .
- the transceiver 1702 is used to implement receiving the messages in steps 901 and 902 in the embodiment shown in FIG. 9; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps.
- the transceiver 1702 is used to implement receiving the messages in steps 1201, 1202, and 1203 in the embodiment shown in FIG. 12; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps .
- the transceiver 1702 is used to implement receiving the messages in steps 1401 and 1402 in the embodiment shown in FIG. 14; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps.
- the processor 1701 and the transceiver 1702 are communicatively connected, for example, through a bus 1704.
- the bus 1704 may be a PCI bus, an EISA bus, or the like.
- the bus 1704 can be divided into an address bus, a data bus, and a control bus. For ease of representation, only a thick line is used in FIG. 17, but it does not mean that there is only one bus or one type of bus.
- the terminal device 1160 may further include a memory 1703.
- the memory 1703 is used to store program codes and data for execution by the terminal device 1160, and the processor 1701 is used to execute the application program code stored in the memory 1703 to implement the actions of the terminal device provided in any of the embodiments shown in FIG. 3 to FIG. 15. .
- the terminal device may include one or more processors, and the structure of the terminal device 1160 does not constitute a limitation on the embodiments of the present application.
- the processor 1701 may be a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the disclosure of the present application.
- the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of DSP and microprocessor, and so on.
- the transceiver 1704 may be a communication interface or a transceiver circuit, etc., wherein the transceiver is collectively referred to, and in a specific implementation, the transceiver may include multiple interfaces.
- the memory 1703 may include volatile memory (volatile memory), such as random access memory (random access memory, RAM); the memory 1703 may also include non-volatile memory (non-volatile memory), such as read-only memory (read-memory) only memory (ROM), flash memory (flash memory), hard disk (hard disk drive) or solid-state drive (SSD); the memory 1703 may also include a combination of the aforementioned types of memory.
- volatile memory such as random access memory (random access memory, RAM
- non-volatile memory such as read-only memory (read-memory) only memory (ROM), flash memory (flash memory), hard disk (hard disk drive) or solid-state drive (SSD); the memory 1703 may also include a combination of the aforementioned types of memory.
- a computer storage medium is also provided, which can be used to store computer software instructions used by the terminal device in the embodiment shown in FIG. 17, which includes instructions for executing the terminal device in the above embodiment. program of.
- the storage medium includes but is not limited to flash memory, hard disk, and solid state hard disk.
- a computer program product is also provided.
- the computer product When the computer product is run by a computing device, it can execute the data processing device designed for the terminal device in the embodiment shown in FIG. 17 described above.
- FIG. 18 is a schematic structural diagram of another network device according to an embodiment of the present application. Used to implement the embodiments of FIGS. 8 and 9.
- the network device 1800 includes a transceiver module 1801 and a processing module 1802.
- the transceiver module and the processing module are used to implement the contents of the embodiments shown in FIG. 3 to FIG. 5.
- the transceiver module 1801 is configured to send the configuration information of the first control resource set to the terminal device before the initial access of the terminal device is successful;
- the processing module 1802 is configured to, according to the first set of common resource blocks occupied by the first set of control resources, before the initial access of the terminal device succeeds or after the initial access of the terminal device succeeds, in the downlink physical control channel Uplink and broadcast uplink and downlink scheduling control information;
- the first starting common resource block included in the first common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, the configuration information It is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion.
- the transceiver module and the processing module are used to implement the contents of the embodiments shown in FIGS. 9 to 11. among them:
- the transceiver module 1801 is configured to send the configuration information of the first control resource set to the terminal device before the initial access of the terminal device is successful;
- the processing module 1802 is configured to not broadcast uplink and downlink scheduling control information on the downlink physical control channel according to the common resource block set occupied by the first control resource set before the initial access of the terminal device is successful;
- the processing module 1802 is further configured to broadcast uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set after the initial access of the terminal device is successful;
- the first starting common resource block included in the first common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, the configuration information It is used to indicate the position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion.
- the transceiver module and the processing module are used to implement the contents of the embodiments shown in FIGS. 12 to 13. among them:
- the transceiver module 1801 is configured to send the configuration information of the first control resource set to the terminal device before the terminal device successfully accesses the terminal device;
- the processing module 1802 is configured to broadcast uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set before the initial access of the terminal device is successful; the first The first starting common resource block included in a common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, and the configuration information is used to indicate The position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion;
- the processing module 1802 is further configured to broadcast uplink and downlink scheduling control information on the downlink physical control channel according to the third common resource block set occupied by the first control resource set after the initial access of the terminal device is successful;
- the third starting common resource block included in the third common resource block set is determined according to configuration information of the fourth starting common resource block of the second downlink bandwidth portion and the first control resource set, and the configuration information is used for Indicating the position of the physical resource block occupied by the first control resource set in the second downlink bandwidth portion;
- the second starting common resource block of the first downlink bandwidth portion is the same as the fourth starting common resource block of the second downlink bandwidth portion.
- the transceiver module and the processing module are used to implement the contents of the embodiments shown in FIG. 14 to FIG. 15. among them:
- the transceiver module 1801 is configured to send the configuration information of the first control resource set to the terminal device after the initial access of the terminal device is successful;
- the processing module 1802 is configured to broadcast uplink and downlink scheduling control information on the downlink physical control channel according to the first common resource block set occupied by the first control resource set after the initial access of the terminal device is successful; the first The first starting common resource block included in a common resource block set is determined according to configuration information of the second starting common resource block of the first downlink bandwidth portion and the first control resource set, and the configuration information is used to indicate The position of the physical resource block occupied by the first control resource set in the first downlink bandwidth portion;
- the network device 1800 is used to implement the steps performed by the network device in the embodiments of FIGS. 3 to 15.
- the functional blocks included in the network device of FIG. 16 and corresponding beneficial effects reference may be made to the specific introduction of the foregoing embodiments of FIGS. 3 to 15, and details are not described here.
- the transceiver module may be a receiver or a receiving circuit.
- the transceiver module may also be a communication interface of the terminal device.
- the processing module may be a processor.
- the above network device shown in FIG. 18 may be implemented by the network device 1900 shown in FIG. 19. As shown in FIG. 19, it provides a schematic structural diagram of another network device according to an embodiment of the present application.
- the network device 1900 shown in FIG. 19 includes: a processor 1901 and a transceiver 1902.
- the transceiver 1902 is used to support information transmission between the network device 1900 and other devices involved in the foregoing embodiments, and the processor 1901 is used to control and manage the actions of the network device 1900.
- the transceiver 1702 is used to implement sending the messages in steps 301, 302, and 303 in the embodiment shown in FIG. 3; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps .
- the transceiver 1702 is used to implement the sending of the messages in steps 901 and 902 in the embodiment shown in FIG. 9; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps.
- the transceiver 1702 is used to implement the sending of the messages in steps 1201, 1202, and 1203 in the embodiment shown in FIG. 12; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps .
- the transceiver 1702 is used to implement the sending of the messages in steps 1401 and 1402 in the embodiment shown in FIG. 14; the processing unit 1701 is used to support the transceiver 1702 to perform the above steps.
- the processor 1901 and the transceiver 1902 are communicatively connected, for example, via a bus.
- the network device 1900 may further include a memory 1903.
- the memory 1903 is used to store program codes and data for execution by the network device 1900, and the processor 1901 is used to execute the application program code stored in the memory 1903 to implement the actions of the network device provided in any of the embodiments shown in FIG. .
- the network device may include one or more processors, and the structure of the network device 1900 does not constitute a limitation on the embodiments of the present application.
- the processor 1901 may be a CPU, NP, hardware chip, or any combination thereof.
- the above-mentioned hardware chip may be ASIC, PLD or a combination thereof.
- the above PLD may be CPLD, FPGA, GAL or any combination thereof.
- the memory 1903 may include volatile memory, such as RAM; the memory 1903 may also include non-volatile memory, such as ROM, flash memory, hard disk, or solid-state hard disk; the memory 1903 may also include a combination of the aforementioned types of memory.
- a computer storage medium which can be used to store computer software instructions used by the network device described in the embodiment shown in FIG. program of.
- the storage medium includes but is not limited to flash memory, hard disk, and solid state hard disk.
- a computer program product is also provided in an embodiment of the present application.
- the computer product When the computer product is run by a computing device, it can execute the data processing device designed for the network device in the embodiment shown in FIG. 18 described above.
- a and/or B refers to one of the following situations: A, B, A, and B.
- At least one of refers to the listed items or any combination of any number of the listed items, for example, “at least one of A, B, and C” refers to one of the following situations: Any one of the seven cases of A, B, C, A and B, B and C, A and C, A, B and C.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
- the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server or data center Transmission to another website, computer, server or data center via wired (eg coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device including a server, a data center, and the like integrated with one or more available media.
- the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, Solid State Disk (SSD)), or the like.
- a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
- an optical medium for example, a DVD
- a semiconductor medium for example, Solid State Disk (SSD)
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM), etc.
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Abstract
Description
Claims (30)
- 一种用于确定控制资源集合的频域位置的方法,其特征在于,包括:在终端设备初始接入成功之前,所述终端设备接收第一控制资源集合的配置信息;在所述终端设备初始接入成功之前或者在所述终端设备初始接入成功之后,所述终端设备根据所述第一控制资源集合占用的第一公共资源块集合,监听下行物理控制信道以获得上下行调度控制信息;所述第一公共资源块集合包含的第一起始公共资源块是根据第一下行带宽部分的第二起始公共资源块和所述第一控制资源集合的配置信息确定的,所述配置信息用于指示所述第一控制资源集合在所述第一下行带宽部分内占用的物理资源块的位置。
- 根据权利要求1所述的方法,其特征在于,所述第一下行带宽部分为根据控制资源集合coreset #0定义的或者根据系统消息块1 SIB 1配置的。
- 根据权利要求1或2所述的方法,其特征在于,所述第一控制资源集合的标识不为0。
- 根据权利要求1-3任一项所述的方法,其特征在于,所述终端设备初始接入成功用于指示以下的其中一个时刻:所述终端设备成功接收初传的消息4并向网络设备发送确认消息的时刻;在所述终端设备成功接收初传的消息4之后,所述终端设备成功接收到由小区无线网络临时标识C-RNTI加扰的下行控制信息DCI的时刻;所述终端设备成功接收重传的消息4并向网络设备发送确认消息的时刻;所述终端设备在所述终端设备成功接收重传的消息4之后,所述终端设备成功接收到由小区无线网络临时标识C-RNTI加扰的下行控制信息DCI的时刻;所述终端设备成功接收初传的消息4之后成功接收到用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻;所述终端设备成功接收重传的消息4之后成功接收到用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻。
- 根据权利要求1-4任一项所述的方法,其特征在于,在所述第一下行带宽部分为根据coreset #0定义的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第一偏移确定的;其中,所述第一偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 根据权利要求5所述的方法,其特征在于,所述第一偏移是根据所述第一下行带宽 部分的第二起始物理资源块与SS/PBCH block的第三起始物理资源块之间的第二偏移和所述SS/PBCH block的公共资源块偏移确定的;其中,所述第二偏移用于指示所述第二起始物理资源块与所述SS/PBCH block的第三起始物理资源块之间相差的物理资源块数量;所述SS/PBCH block的公共资源块偏移用于指示所述第三起始物理资源块与所述参考点之间相差的物理资源块的数量。
- 根据权利要求1-6任一项所述的方法,其特征在于,在所述第一下行带宽部分为根据SIB 1配置的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第三偏移确定的;其中,所述第三偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 一种用于确定控制资源集合的频域位置的方法,其特征在于,包括:在终端设备初始接入成功之前,网络设备向所述终端设备发送第一控制资源集合的配置信息;在所述终端设备初始接入成功之前或者在所述终端设备初始接入成功之后,所述网络设备根据所述第一控制资源集合占用的第一公共资源块集合,在下行物理控制信道上发送上下行调度控制信息;所述第一公共资源块集合包含的第一起始公共资源块是根据第一下行带宽部分的第二起始公共资源块和所述第一控制资源集合的配置信息确定的,所述配置信息用于指示所述第一控制资源集合在所述第一下行带宽部分内占用的物理资源块的位置。
- 根据权利要求8所述的方法,其特征在于,所述第一下行带宽部分为根据控制资源集合coreset #0定义的或者根据系统消息块SIB 1配置的。
- 根据权利要求8或9所述的方法,其特征在于,所述第一控制资源集合的标识不为0。
- 根据权利要求8-10任一项所述的方法,其特征在于,所述终端设备初始接入成功用于指示以下的其中一个时刻:所述网络设备接收到所述终端设备发送的针对所述网络设备发送的初传消息4的确认消息的时刻;所述网络设备接收到所述终端设备发送的针对所述网络设备发送的重传消息4的确认消息的时刻;所述网络设备接收到所述终端设备发送的针对所述网络设备发送的初传消息4的确认消息之后,向所述终端设备发送用于指示需盲检C-RNTI加扰的DCI的配置信息的 时刻;所述网络设备接收到所述终端设备发送的针对所述网络设备发送的重传消息4的确认消息之后,向所述终端设备发送用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻。
- 根据权利要求8-11任一项所述的方法,其特征在于,在所述第一下行带宽部分为根据coreset #0定义的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第一偏移确定的;其中,所述第一偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 根据权利要求12所述的方法,其特征在于,所述第一偏移是根据所述第一下行带宽部分的第二起始物理资源块与SS/PBCH block的第三起始物理资源块之间的第二偏移和所述SS/PBCH block的公共资源块偏移确定的;其中,所述第二偏移用于指示所述第二起始物理资源块与所述SS/PBCH block的第三起始物理资源块之间相差的物理资源块数量;所述SS/PBCH block的公共资源块偏移用于指示所述第三起始物理资源块对应的公共资源块与所述参考点之间相差的物理资源块的数量。
- 根据权利要求8-13任一项所述的方法,其特征在于,在所述第一下行带宽部分为根据SIB 1配置的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第三偏移确定的;其中,所述第三偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 一种终端设备,其特征在于,包括:收发模块,用于在终端设备初始接入成功之前,接收第一控制资源集合的配置信息;处理模块,用于在所述终端设备初始接入成功之前或者在所述终端设备初始接入成功之后,根据所述第一控制资源集合占用的第一公共资源块集合,监听下行物理控制信道以获得上下行调度控制信息;所述第一公共资源块集合包含的第一起始公共资源块是根据第一下行带宽部分的第二起始公共资源块和所述第一控制资源集合的配置信息确定的,所述配置信息用于指示所述第一控制资源集合在所述第一下行带宽部分内占用的物理资源块的位置。
- 根据权利要求15所述的设备,其特征在于,所述第一下行带宽部分为根据控制资源集合coreset #0定义的或者根据系统消息块SIB 1配置的。
- 根据权利要求15或16所述的设备,其特征在于,所述第一控制资源集合的标识不为0。
- 根据权利要求15-17任一项所述的设备,其特征在于,所述终端设备初始接入成功用于指示以下的其中一个时刻:所述终端设备成功接收初传的消息4并向网络设备发送确认消息的时刻;在所述终端设备成功接收初传的消息4之后,所述终端设备成功接收到由小区无线网络临时标识C-RNTI加扰的下行控制信息DCI的时刻;所述终端设备成功接收重传的消息4并向网络设备发送确认消息的时刻;所述终端设备在所述终端设备成功接收重传的消息4之后,所述终端设备成功接收到由小区无线网络临时标识C-RNTI加扰的下行控制信息DCI的时刻;所述终端设备成功接收初传的消息4之后成功接收到用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻;所述终端设备成项功接收重传的消息4之后成功接收到用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻。
- 根据权利要求15-18任一所述的设备,其特征在于,在所述第一下行带宽部分为根据coreset #0定义的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第一偏移确定的;其中,所述第一偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 根据权利要求19所述的设备,其特征在于,所述第一偏移是根据所述第一下行带宽部分的第二起始物理资源块与SS/PBCH block的第三起始物理资源块之间的第二偏移和所述SS/PBCH block的公共资源块偏移确定的;其中,所述第二偏移用于指示所述第二起始物理资源块与所述SS/PBCH block的第三起始物理资源块之间相差的物理资源块PRB数量;所述SS/PBCH block的公共资源块偏移用于指示所述第三起始物理资源块与所述参考点之间相差的物理资源块的数量。
- 根据权利要求15-20任一项所述的设备,其特征在于,在所述第一下行带宽部分为根据SIB 1配置的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所 述第一下行带宽部分的第二起始物理资源块和第三偏移确定的;其中,所述第三偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 一种网络设备,其特征在于,包括:收发模块,用于在终端设备初始接入成功之前,向所述终端设备发送第一控制资源集合的配置信息;确定模块,用于在所述终端设备初始接入成功之前或者在所述终端设备初始接入成功之后,根据所述第一控制资源集合占用的第一公共资源块集合,在下行物理控制信道上广播上下行调度控制信息;所述第一公共资源块集合包含的第一起始公共资源块是根据第一下行带宽部分的第二起始公共资源块和所述第一控制资源集合的配置信息确定的,所述配置信息用于指示所述第一控制资源集合在所述第一下行带宽部分内占用的物理资源块的位置。
- 根据权利要求22所述的设备,其特征在于,所述第一下行带宽部分为根据控制资源集合coreset #0定义的或者根据系统消息块SIB 1配置的。
- 根据权利要求22或23所述的设备,其特征在于,所述第一控制资源集合的标识不为0。
- 根据权利要求22-24任一项所述的设备,其特征在于,所述终端设备初始接入成功用于指示以下的其中一个时刻:所述网络设备接收到所述终端设备发送的针对所述网络设备发送的初传消息4的确认消息的时刻;所述网络设备接收到所述终端设备发送的针对所述网络设备发送的重传消息4的确认消息的时刻;所述网络设备接收到所述终端设备发送的针对所述网络设备发送的初传消息4的确认消息之后,向所述终端设备发送用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻;所述网络设备接收到所述终端设备发送的针对所述网络设备发送的重传消息4的确认消息之后,向所述终端设备发送用于指示需盲检C-RNTI加扰的DCI的配置信息的时刻。
- 根据权利要求22-25任一项所述的设备,其特征在于,在所述第一下行带宽部分为根据coreset #0定义的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第一偏移确定的;其中,所述第一偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 根据权利要求26所述的设备,其特征在于,所述第一偏移是根据所述第一下行带宽部分的第二起始物理资源块与SS/PBCH block的第三起始物理资源块之间的第二偏移和所述SS/PBCH block的公共资源块偏移确定的;其中,所述第二偏移用于指示所述第二起始物理资源块与所述SS/PBCH block的第三起始物理资源块之间相差的物理资源块PRB数量;所述SS/PBCH block的公共资源块偏移用于指示所述第三起始物理资源块对应的公共资源块与所述参考点之间相差的物理资源块的数量。
- 根据权利要求22-27任一项所述的设备,其特征在于,在所述第一下行带宽部分为根据SIB 1配置的情况下,所述第一下行带宽部分的第二起始公共资源块是根据所述第一下行带宽部分的第二起始物理资源块和第三偏移确定的;其中,所述第三偏移用于指示所述第二起始物理资源块与参考点之间相差的物理资源块的数量,所述参考点是资源块网格的一个公共参考点,所述参考点用于指示以预设子载波间隔配置的公共资源块CRB 0中的子载波0的中心位置。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质存储有计算机指令,所述计算机指令使得通信设备执行权利要求1-14中任一项所述的方法。
- 一种用于确定控制资源集合的频域位置的装置,其特征在于,所述装置包括处理器和存储介质,所述存储介质存储有指令,所述指令被所述处理器运行时,使得所述处理器执行根据权利要求1-14中任一项所述的方法。
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