WO2019095159A1 - 确定非竞争随机接入资源的方法、网络设备和终端设备 - Google Patents
确定非竞争随机接入资源的方法、网络设备和终端设备 Download PDFInfo
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- WO2019095159A1 WO2019095159A1 PCT/CN2017/111159 CN2017111159W WO2019095159A1 WO 2019095159 A1 WO2019095159 A1 WO 2019095159A1 CN 2017111159 W CN2017111159 W CN 2017111159W WO 2019095159 A1 WO2019095159 A1 WO 2019095159A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
- H04W74/0875—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access with assigned priorities based access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the embodiments of the present invention relate to the field of communications, and more specifically, to a method, a network device, and a terminal device for determining a non-contention random access resource.
- the uplink coverage is limited, and in order to improve the uplink coverage, the LTE spectrum (relative frequency) is utilized. Lower) As the secondary uplink spectrum (ie, there is one auxiliary uplink carrier), the uplink coverage can be improved.
- the non-contention random access resource passes a radio resource control (RRC) or a physical downlink control channel (PDCCH) command ( The order) is configured to the terminal device.
- RRC radio resource control
- PDCCH physical downlink control channel
- the terminal device is aware of the configuration of the non-contention random access resource, and the non-contention random access resource can be correctly selected to initiate the random access process.
- the existing configuration mode does not know which uplink carrier resources are used.
- a method, a network device, and a terminal device for determining a non-contention random access resource are provided. Make When the terminal device has at least two uplink (UL) carriers, the non-contention random access resources can be determined.
- UL uplink
- a method for determining a non-contention random access resource including:
- the network device generates indication information, where the indication information indicates a first resource on the first uplink carrier and/or a second resource on the second uplink carrier, where the terminal device is used for non-contention random access, where the first uplink carrier The frequency point is different from the frequency of the second uplink carrier;
- the network device sends indication information to the terminal device.
- the network device sends the indication information to the terminal device, so that when the terminal device has the first uplink carrier and the second uplink carrier, the non-contention random access resource can be determined.
- the indication information includes: identifier information of the first uplink carrier, and information used to indicate the first resource.
- the indication information includes: identifier information of the second uplink carrier, and information used to indicate the second resource.
- the method before the generating, by the network device, the method, the method further includes:
- the network device receives the channel quality measurement report sent by the terminal device, where the network device generates the indication information, including:
- the channel quality measurement report includes: a reference signal received power RSRP and/or a reference signal received quality RSRQ of a cell corresponding to the first uplink carrier, and a cell corresponding to the second uplink carrier. RSRP and / or RSRQ.
- the indication information includes: identifier information of the first uplink carrier, identifier information of the second uplink carrier, information used to indicate the first resource, and used to indicate the Information about the second resource.
- the indication information further includes:
- the priority information corresponding to the first resource and/or the priority information corresponding to the second resource are not limited to the first resource and/or the priority information corresponding to the second resource.
- the method before the generating, by the network device, the method, the method further includes:
- the network device determines, according to at least one of the following information, priority information corresponding to the first resource and/or priority information corresponding to the second resource: a processing load of the first uplink carrier, the a processing load of the second uplink carrier, a load condition of the physical random access channel PRACH resource of the first uplink carrier, and a load condition of the PRACH resource of the second uplink carrier.
- the resources used by the terminal device for non-contention random access include: identifier information of a preamble and a physical random access channel PRACH resource used to send a preamble.
- the sending, by the network device, the indication information to the terminal device includes:
- the network device sends radio resource control RRC signaling to the terminal device, where the RRC signaling includes the indication information.
- the sending, by the network device, the indication information to the terminal device includes:
- the network device sends a physical downlink control channel command PDCCH order to the terminal device, where the PDCCH order includes the indication information.
- a method for determining non-contention random access resources including:
- the terminal device receives the indication information sent by the network device, where the indication information indicates that the terminal device is used for the first resource on the first uplink carrier of the non-contention random access and/or the second resource on the second uplink carrier.
- the frequency of the first uplink carrier is different from the frequency of the second uplink carrier;
- the terminal device performs random access according to the indication information.
- the indication information includes: identifier information of the first uplink carrier, and information used to indicate the first resource.
- the indication information includes: identifier information of the second uplink carrier, and information used to indicate the second resource.
- the method before the receiving, by the terminal device, the indication information sent by the network device, the method further includes:
- the terminal device sends a channel quality measurement report to the network device, so that the network device generates the indication information according to the channel quality measurement report.
- the channel quality measurement report includes: a reference signal received power RSRP and/or a reference signal received quality RSRQ of a cell corresponding to the first uplink carrier, and a cell corresponding to the second uplink carrier. RSRP and / or RSRQ.
- the indication information includes: a label of the first uplink carrier Identification information, identification information of the second uplink carrier, information for indicating the first resource, and information for indicating the second resource.
- the indication information further includes:
- the priority information corresponding to the first resource and/or the priority information corresponding to the second resource are not limited to the first resource and/or the priority information corresponding to the second resource.
- the resources used by the terminal device for non-contention random access include:
- the identification information of the preamble and the physical random access channel PRACH resource used to transmit the preamble is not limited.
- the terminal device receives the indication information sent by the network device, including:
- the terminal device receives radio resource control RRC signaling sent by the network device, where the RRC signaling includes the indication information.
- the terminal device receives the indication information sent by the network device, including:
- the terminal device receives a physical downlink control channel command PDCCH order sent by the network device, where the PDCCH order includes the indication information.
- a network device including:
- a generating unit configured to generate indication information, where the indication information indicates a first resource on a first uplink carrier and/or a second resource on a second uplink carrier, where the terminal device is used for non-contention random access, the first The frequency of the uplink carrier is different from the frequency of the second uplink carrier;
- transceiver unit configured to send indication information to the terminal device.
- a network device including:
- a processor configured to generate indication information, where the indication information indicates a first resource on a first uplink carrier and/or a second resource on a second uplink carrier, where the terminal device is used for non-contention random access, the first The frequency of the uplink carrier is different from the frequency of the second uplink carrier;
- a transceiver configured to send indication information to the terminal device.
- a terminal device including:
- a transceiver unit configured to receive indication information sent by the network device, where the indication information indicates that the terminal device is used for the first resource on the first uplink carrier of the non-contention random access and/or the second resource on the second uplink carrier a resource, where a frequency point of the first uplink carrier is different from a frequency point of the second uplink carrier;
- a processing unit configured to perform random access according to the indication information.
- a terminal device including:
- a transceiver configured to receive indication information sent by the network device, where the indication information indicates that the terminal device is used for the first resource on the first uplink carrier of the non-contention random access and/or the second resource on the second uplink carrier a resource, where a frequency point of the first uplink carrier is different from a frequency point of the second uplink carrier;
- a processor configured to perform random access according to the indication information.
- a computer readable medium for storing a computer program comprising instructions for performing the method embodiment of the first aspect or the second aspect described above.
- a computer chip comprising: an input interface, an output interface, at least one processor, a memory, the processor is configured to execute code in the memory, and when the code is executed, the processing The respective processes performed by the network device in the method for determining a non-contention random access resource in the above first aspect or the second aspect may be implemented.
- a computer chip comprising: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed, the processing
- the respective processes performed by the terminal device in the method for determining a non-contention random access resource in the first aspect or the second aspect described above may be implemented.
- a communication system comprising the network device and the terminal device described above.
- FIG. 1 is an example of an application scenario of the present invention.
- FIG. 2 is a schematic flowchart of a method for determining a non-contention random access resource according to an embodiment of the present invention.
- FIG. 3 is a schematic block diagram of a network device according to an embodiment of the present invention.
- FIG. 4 is a schematic block diagram of another network device according to an embodiment of the present invention.
- FIG. 5 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- FIG. 6 is a schematic block diagram of another terminal device according to an embodiment of the present invention.
- FIG. 1 is an example of an application scenario of an embodiment of the present invention.
- the terminal device may have one downlink carrier and two uplink carriers (as shown in FIG. 1). Shown, the first uplink carrier and the second uplink carrier). Specifically, the first uplink carrier and the downlink carrier may be carriers on the NR high frequency band, and the second uplink carrier may be a carrier on the LTE low frequency band. It should be understood that the terminal device shown in FIG. 1 has two uplink carriers, which are only exemplary descriptions, which are not specifically limited in the embodiment of the present invention. For example, the terminal device can also support three uplink carriers and the like.
- the motivation for introducing the second uplink carrier is to improve the uplink coverage of the NR high frequency band.
- the uplink coverage of the NR is limited, and the frequency of the NR is high.
- the uplink coverage of the NR is limited.
- a method of transmitting data By using the LTE spectrum (low relative frequency) as the auxiliary uplink carrier, the uplink coverage effect can be improved.
- the first uplink carrier and the second uplink carrier combination may be similar to carrier aggregation (CA) in LTE, except that there is no paired downlink. That is, from the perspective of band combination, the second uplink carrier is a cell with only uplink and no paired downlink, but its uplink is controlled by a certain downlink carrier, that is, when the second uplink carrier is configured, and the second uplink is configured.
- the carrier is a secondary serving cell (SCell) without downlink, and the control of the second uplink carrier depends on the primary serving cell (PCell).
- SCell secondary serving cell
- PCell primary serving cell
- the first communication system and the second communication system may be various communication systems, such as a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD) ), Universal Mobile Telecommunication System (UMTS), etc.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- the present invention describes various embodiments in connection with network devices (the first to fourth network devices) and terminal devices.
- the network device may refer to any entity on the network side that is used to send or receive signals.
- it may be a device communication of a machine type communication (MTC), a base station (BTS) in GSM or CDMA, a base station (NodeB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB in LTE). ), base station equipment in a 5G network, and the like.
- MTC machine type communication
- BTS base station
- NodeB base station
- Evolutional Node B eNB or eNodeB in LTE
- 5G network and the like.
- the terminal device can be any terminal device. Specifically, the terminal device can communicate with one or more core networks (Core Network) via a Radio Access Network (RAN), and can also be referred to as an access terminal, a user equipment (User Equipment, UE), and a user. Unit, User station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device. For example, it can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and a wireless communication function. Handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and terminal devices in 5G networks, and the like.
- Core Network Radio Access Network
- RAN Radio Access Network
- UE User Equipment
- Unit User station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device,
- the non-contention random access process can be found in the non-competitive uplink (SUL) scenario.
- the non-contention random access resource is configured in the RRC or PDCCH order form to the UE.
- there is only one uplink carrier so the UE is very clear.
- the configuration of the random access resource is competitive, and the non-contention random access resource can be correctly selected to initiate a random access procedure.
- there are at least two uplink (UL) carriers so in the existing configuration, the terminal device does not know which uplink carrier resources are used.
- a method for determining a non-contention random access resource is proposed.
- the terminal device has at least two uplink (UL) carriers, the non-contention random access resources can be determined.
- FIG. 2 is a schematic flowchart of a method for non-contention random access according to an embodiment of the present invention.
- the network device generates the indication information.
- the network device sends the indication information to the terminal device.
- the terminal device performs random access according to the indication information.
- the network device generates indication information, where the indication information indicates the first resource on the first uplink carrier and/or the second resource on the second uplink carrier, where the terminal device is used for non-contention random access, the first uplink The frequency of the carrier is different from the frequency of the second uplink carrier; the network device sends the indication information to the terminal device. Therefore, the terminal device performs random access according to the received indication information.
- the indication information may include a carrier resource that the network device has selected for the terminal device.
- the network device directly indicates to the terminal device the carrier resources selected by the network device.
- the indication information may include: identifier information of the first uplink carrier and information used to indicate the first resource.
- the indication information may include: identifier information of the second uplink carrier and information used to indicate the second resource.
- the carrier resource is selected by the network device.
- the network device receives the channel quality measurement report sent by the terminal device; and further, the network device determines, according to the channel quality measurement report, the terminal device is used for non-contention random access. Uplink carrier; and generating the indication information according to the uplink carrier used by the terminal device for non-contention random access.
- channel quality measurement report includes but is not limited to:
- RSRP Reference Signal Receiving Power
- RSRQ Reference Signal Receiving Quality
- the network device configures a set of non-contention random access resources to the terminal device, and indicates that the set of non-contention random access resources belongs to the UL carrier. Specifically, the network device may select, according to the measurement result report reported by the terminal device, the UL carrier that the terminal device initiates the non-contention random access resource. For example, in a handover scenario, the network device knows the signal quality. At this time, the current cell of the terminal device needs to send the measurement result (for example, RSRP/RSRQ) of the target device to the target cell to the target cell, and select the UL carrier for the target cell. .
- the terminal device may be configured with a dedicated random access resource by referring to the measurement result.
- the indication information can include resources on each of the uplink carriers.
- the network device directly indicates to the terminal device the resources of all uplink carriers available to the terminal device, and the terminal device finally selects resources for performing non-contention random access.
- the indication information may include: identifier information of the first uplink carrier, identifier information of the second uplink carrier, information for indicating the first resource, and information for indicating the second resource.
- each set of non-contention random access resources configured by the network device for the terminal device is configured with a corresponding UL carrier number, indicating that the non-contention random access resource belongs to the UL carrier, and further, enabling the terminal device to know non-competition Correspondence between random access resources and UL carriers.
- the terminal device may select a non-contention random access resource according to the RSRP measurement result, and initiate a random access procedure. For example, when the RSRP measurement result is greater than a certain threshold, the UE may select the non-contention random access resource corresponding to the NR UL. Otherwise, the UE can only select non-contention random access corresponding to the SUL. Resources.
- the indication information may further include:
- the priority information corresponding to the first resource and/or the priority information corresponding to the second resource are not limited to the first resource and/or the priority information corresponding to the second resource.
- each set of non-contention random access resources is configured with a priority indication, indicating that the terminal device allows the measurement signal condition to be allowed (for example, the RSRP is greater than a certain threshold) ), a set of non-competitive random access resources that are used preferentially.
- the network device determines the priority information corresponding to the first resource and/or the priority information corresponding to the second resource according to at least one of the following information:
- a processing load of the first uplink carrier a processing load of the second uplink carrier, a load condition of a physical random access channel (PRACH) resource of the first uplink carrier, and a PRACH resource of the second uplink carrier Load situation.
- PRACH physical random access channel
- the priority information corresponding to the first resource and/or the priority information corresponding to the second resource in the indication information may be set based on a processing load of two uplink carriers and a load condition of PRACH resources of two carriers. .
- the resources used by the terminal device for non-contention random access include, but are not limited to, identification information of a preamble and a PRACH resource used for transmitting a preamble.
- the network device sends Radio Resource Control (RRC) signaling to the terminal device, where the RRC signaling includes the indication information. That is to say, the indication information is carried in the RRC signaling and sent to the terminal device.
- RRC Radio Resource Control
- the network device sends a Physical Downlink Control Channel (PDCCH) command to the terminal device, where the PDCCH order includes the indication information. That is to say, the indication information is carried in the PDCCH order and sent to the terminal device.
- PDCCH Physical Downlink Control Channel
- FIG. 3 is a schematic block diagram of a network device according to an embodiment of the present invention.
- the network device includes:
- the generating unit 310 is configured to generate indication information, where the indication information indicates the first resource on the first uplink carrier and/or the second resource on the second uplink carrier, where the terminal device is used for non-contention random access, the first uplink The frequency of the carrier is different from the frequency of the second uplink carrier;
- the transceiver unit 320 is configured to send indication information to the terminal device.
- the indication information includes: identifier information of the first uplink carrier and information used to indicate the first resource.
- the indication information includes: identifier information of the second uplink carrier and information used to indicate the second resource.
- the transceiver unit 320 is further configured to:
- the generating unit 310 is specifically configured to:
- the indication information is generated according to the uplink carrier used by the terminal device for non-contention random access.
- the channel quality measurement report includes: a reference signal received power RSRP and/or a reference signal received quality RSRQ of the cell corresponding to the first uplink carrier, and an RSRP and/or an RSRQ of the cell corresponding to the second uplink carrier.
- the indication information includes: identifier information of the first uplink carrier, identifier information of the second uplink carrier, information for indicating the first resource, and information for indicating the second resource.
- the indication information further includes:
- the priority information corresponding to the first resource and/or the priority information corresponding to the second resource are not limited to the first resource and/or the priority information corresponding to the second resource.
- the transceiver unit 320 is further configured to:
- determining the priority information corresponding to the first resource and/or the priority information corresponding to the second resource according to at least one of the following information:
- the processing load of the first uplink carrier, the processing load of the second uplink carrier, the load condition of the physical random access channel PRACH resource of the first uplink carrier, and the load condition of the PRACH resource of the second uplink carrier are provided.
- the resources used by the terminal device for non-contention random access include:
- the identification information of the preamble and the physical random access channel PRACH resource used to transmit the preamble is not limited.
- the transceiver unit 320 is specifically configured to:
- Radio resource control RRC signaling Transmitting radio resource control RRC signaling to the terminal device, the RRC signaling including the indication information.
- the transceiver unit 320 is specifically configured to:
- the processing unit 310 can be implemented by a processor, and the transceiving unit 320 can be implemented by a transceiver.
- the terminal device 400 may include a processor 410, a transceiver 420, and a memory 430.
- the memory 430 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 410.
- the various components in the terminal device 400 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the terminal device 400 shown in FIG. 4 can implement the various processes implemented by the terminal device in the foregoing method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- FIG. 5 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- the terminal device 500 includes:
- the transceiver unit 510 is configured to receive indication information that is sent by the network device, where the indication information is used by the terminal device to use the first resource on the first uplink carrier of the non-contention random access and/or the second resource on the second uplink carrier.
- the frequency of the first uplink carrier is different from the frequency of the second uplink carrier;
- the processing unit 520 is configured to perform random access according to the indication information.
- the indication information includes: identifier information of the first uplink carrier and information used to indicate the first resource.
- the indication information includes: identifier information of the second uplink carrier and information used to indicate the second resource.
- the transceiver unit 510 is further configured to:
- the network device Before receiving the indication information sent by the network device, sending a channel quality measurement report to the network device, so that the network device generates the indication information according to the channel quality measurement report.
- the channel quality measurement report includes: a reference signal received power RSRP and/or a reference signal received quality RSRQ of the cell corresponding to the first uplink carrier, and an RSRP and/or an RSRQ of the cell corresponding to the second uplink carrier.
- the indication information includes: identifier information of the first uplink carrier, identifier information of the second uplink carrier, information for indicating the first resource, and information for indicating the second resource.
- the indication information further includes:
- the priority information corresponding to the first resource and/or the priority information corresponding to the second resource are not limited to the first resource and/or the priority information corresponding to the second resource.
- the resources used by the terminal device for non-contention random access include:
- the identification information of the preamble and the physical random access channel PRACH resource used to transmit the preamble is not limited.
- the transceiver unit 510 is specifically configured to:
- Radio resource control RRC signaling sent by the network device, where the RRC signaling includes the indication information.
- the transceiver unit 510 is specifically configured to:
- the transceiving unit 510 can be implemented by a transceiver
- the processing unit 520 can be implemented by a processor.
- the terminal device 600 can include a processor 610, a transceiver 620, and a memory 630.
- the memory 630 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 610.
- the various components in the terminal device 600 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the terminal device 600 shown in FIG. 6 can implement the various processes implemented by the terminal device in the foregoing method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- each step of the method embodiment in the embodiment of the present invention may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. More specifically, the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
- the processor may be an integrated circuit chip with signal processing capability, and the methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or executed.
- the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
- the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the memory may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
- the volatile memory can be a random access memory (RAM) that acts as an external cache.
- the memory in the embodiment of the present invention may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
- SDRAM Synchronous dynamic random access memory
- DDR double data rate synchronous dynamic random access memory
- ESDRAM enhanced synchronous dynamic random access memory
- SLDRAM synchronous connection Synchro link DRAM
- DR RAM direct memory bus
- the words “at time” as used herein may be interpreted as “if” or “if” or “when” or “in response to determining” or “in response to detecting” ".
- the phrase “if determined” or “if detected (conditions or events stated)” may be interpreted as “when determined” or “in response to determination” or “when detected (stated condition or event) "Time” or “in response to a test (condition or event stated)”.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the unit is only a logical function division.
- multiple units or components may be combined.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
- each functional unit in the embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the technical solution of the embodiments of the present invention may be embodied in the form of a software product stored in a storage medium.
- the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
Abstract
Description
Claims (42)
- 一种确定非竞争随机接入资源的方法,其特征在于,包括:网络设备生成指示信息,所述指示信息指示终端设备用于非竞争随机接入的第一上行载波上的第一资源和/或第二上行载波上的第二资源,所述第一上行载波的频点和所述第二上行载波的频点不同;所述网络设备向所述终端设备发送指示信息。
- 根据权利要求1所述的方法,其特征在于,所述指示信息包括:所述第一上行载波的标识信息和用于指示所述第一资源的信息。
- 根据权利要求1所述的方法,其特征在于,所述指示信息包括:所述第二上行载波的标识信息和用于指示所述第二资源的信息。
- 根据权利要求2或3所述的方法,其特征在于,所述网络设备生成指示信息之前,所述方法还包括:所述网络设备接收所述终端设备发送的信道质量测量报告;其中,所述网络设备生成指示信息,包括:所述网络设备根据所述信道质量测量报告,确定所述终端设备用于非竞争随机接入的上行载波;所述网络设备根据所述终端设备用于非竞争随机接入的上行载波,生成所述指示信息。
- 根据权利要求4所述的方法,其特征在于,所述信道质量测量报告包括:所述第一上行载波对应的小区的参考信号接收功率RSRP和/或参考信号接收质量RSRQ,以及所述第二上行载波对应的小区的RSRP和/或RSRQ。
- 根据权利要求1所述的方法,其特征在于,所述指示信息包括:所述第一上行载波的标识信息、所述第二上行载波的标识信息、用于指示所述第一资源的信息以及用于指示所述第二资源的信息。
- 根据权利要求6所述的方法,其特征在于,所述指示信息还包括:所述第一资源对应的优先级信息和/或所述第二资源对应的优先级信息。
- 根据权利要求7所述的方法,其特征在于,所述网络设备生成指示信息之前,所述方法还包括:所述网络设备根据以下信息中的至少一项,确定所述第一资源对应的优先级信息和/或所述第二资源对应的优先级信息:所述第一上行载波的处理负荷、所述第二上行载波的处理负荷、所述第一上行载波的物理随机接入信道PRACH资源的负荷情况和所述第二上行载波的PRACH资源的负荷情况。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述终端设备用于非竞争随机接入的资源包括:前导码的标识信息和用于发送前导码的物理随机接入信道PRACH资源。
- 根据权利要求1至9中任一项所述的方法,其特征在于,所述网络设备向所述终端设备发送指示信息,包括:所述网络设备向所述终端设备发送无线资源控制RRC信令,所述RRC信令包括所述指示信息。
- 根据权利要求1至9中任一项所述的方法,其特征在于,所述网络设备向所述终端设备发送指示信息,包括:所述网络设备向所述终端设备发送物理下行链路控制信道命令PDCCH order,所述PDCCH order包括所述指示信息。
- 一种确定非竞争随机接入资源的方法,其特征在于,包括:终端设备接收网络设备发送的指示信息,所述指示信息指示所述终端设备用于非竞争随机接入的第一上行载波上的第一资源和/或第二上行载波上的第二资源,所述第一上行载波的频点和所述第二上行载波的频点不同;所述终端设备根据所述指示信息进行随机接入。
- 根据权利要求12所述的方法,其特征在于,所述指示信息包括:所述第一上行载波的标识信息和用于指示所述第一资源的信息。
- 根据权利要求12所述的方法,其特征在于,所述指示信息包括:所述第二上行载波的标识信息和用于指示所述第二资源的信息。
- 根据权利要求13或14所述的方法,其特征在于,所述终端设备接收网络设备发送的指示信息之前,所述方法还包括:所述终端设备向所述网络设备发送信道质量测量报告,以便所述网络设备根据所述信道质量测量报告生成所述指示信息。
- 根据权利要求15所述的方法,其特征在于,所述信道质量测量报告包括:所述第一上行载波对应的小区的参考信号接收功率RSRP和/或参考信号接收质量RSRQ,以及所述第二上行载波对应的小区的RSRP和/或RSRQ。
- 根据权利要求12所述的方法,其特征在于,所述指示信息包括:所述第一上行载波的标识信息、所述第二上行载波的标识信息、用于指示所述第一资源的信息以及用于指示所述第二资源的信息。
- 根据权利要求17所述的方法,其特征在于,所述指示信息还包括:所述第一资源对应的优先级信息和/或所述第二资源对应的优先级信息。
- 根据权利要求12至18中任一项所述的方法,其特征在于,所述终端设备用于非竞争随机接入的资源,包括:前导码的标识信息和用于发送前导码的物理随机接入信道PRACH资源。
- 根据权利要求12至19中任一项所述的方法,其特征在于,所述终端设备接收网络设备发送的指示信息,包括:所述终端设备接收所述网络设备发送的无线资源控制RRC信令,所述RRC信令包括所述指示信息。
- 根据权利要求12至19中任一项所述的方法,其特征在于,所述终端设备接收网络设备发送的指示信息,包括:所述终端设备接收所述网络设备发送的物理下行链路控制信道命令PDCCH order,所述PDCCH order包括所述指示信息。
- 一种网络设备,其特征在于,包括:生成单元,用于生成指示信息,所述指示信息指示终端设备用于非竞争随机接入的第一上行载波上的第一资源和/或第二上行载波上的第二资源,所述第一上行载波的频点和所述第二上行载波的频点不同;收发单元,用于向所述终端设备发送指示信息。
- 根据权利要求22所述的网络设备,其特征在于,所述指示信息包括:所述第一上行载波的标识信息和用于指示所述第一资源的信息。
- 根据权利要求22所述的网络设备,其特征在于,所述指示信息包括:所述第二上行载波的标识信息和用于指示所述第二资源的信息。
- 根据权利要求23或24所述的网络设备,其特征在于,所述收发单元还用于:生成指示信息之前,接收所述终端设备发送的信道质量测量报告;其中,所述生成单元具体用于:根据所述信道质量测量报告,确定所述终端设备用于非竞争随机接入的 上行载波;根据所述终端设备用于非竞争随机接入的上行载波,生成所述指示信息。
- 根据权利要求25所述的网络设备,其特征在于,所述信道质量测量报告包括:所述第一上行载波对应的小区的参考信号接收功率RSRP和/或参考信号接收质量RSRQ,以及所述第二上行载波对应的小区的RSRP和/或RSRQ。
- 根据权利要求22所述的网络设备,其特征在于,所述指示信息包括:所述第一上行载波的标识信息、所述第二上行载波的标识信息、用于指示所述第一资源的信息以及用于指示所述第二资源的信息。
- 根据权利要求27所述的网络设备,其特征在于,所述指示信息还包括:所述第一资源对应的优先级信息和/或所述第二资源对应的优先级信息。
- 根据权利要求28所述的网络设备,其特征在于,所述收发单元还用于:生成指示信息之前,根据以下信息中的至少一项,确定所述第一资源对应的优先级信息和/或所述第二资源对应的优先级信息:所述第一上行载波的处理负荷、所述第二上行载波的处理负荷、所述第一上行载波的物理随机接入信道PRACH资源的负荷情况和所述第二上行载波的PRACH资源的负荷情况。
- 根据权利要求22至29中任一项所述的网络设备,其特征在于,所述终端设备用于非竞争随机接入的资源包括:前导码的标识信息和用于发送前导码的物理随机接入信道PRACH资源。
- 根据权利要求22至30中任一项所述的网络设备,其特征在于,所述收发单元具体用于:向所述终端设备发送无线资源控制RRC信令,所述RRC信令包括所述指示信息。
- 根据权利要求22至31中任一项所述的网络设备,其特征在于,所述收发单元具体用于:向所述终端设备发送物理下行链路控制信道命令PDCCH order,所述 PDCCH order包括所述指示信息。
- 一种终端设备,其特征在于,包括:收发单元,用于接收网络设备发送的指示信息,所述指示信息指示所述终端设备用于非竞争随机接入的第一上行载波上的第一资源和/或第二上行载波上的第二资源,所述第一上行载波的频点和所述第二上行载波的频点不同;处理单元,用于根据所述指示信息进行随机接入。
- 根据权利要求33所述的终端设备,其特征在于,所述指示信息包括:所述第一上行载波的标识信息和用于指示所述第一资源的信息。
- 根据权利要求33所述的终端设备,其特征在于,所述指示信息包括:所述第二上行载波的标识信息和用于指示所述第二资源的信息。
- 根据权利要求34或35所述的终端设备,其特征在于,所述收发单元还用于:接收网络设备发送的指示信息之前,向所述网络设备发送信道质量测量报告,以便所述网络设备根据所述信道质量测量报告生成所述指示信息。
- 根据权利要求36所述的终端设备,其特征在于,所述信道质量测量报告包括:所述第一上行载波对应的小区的参考信号接收功率RSRP和/或参考信号接收质量RSRQ,以及所述第二上行载波对应的小区的RSRP和/或RSRQ。
- 根据权利要求33所述的终端设备,其特征在于,所述指示信息包括:所述第一上行载波的标识信息、所述第二上行载波的标识信息、用于指示所述第一资源的信息以及用于指示所述第二资源的信息。
- 根据权利要求38所述的终端设备,其特征在于,所述指示信息还包括:所述第一资源对应的优先级信息和/或所述第二资源对应的优先级信息。
- 根据权利要求33至39中任一项所述的终端设备,其特征在于,所述终端设备用于非竞争随机接入的资源包括:前导码的标识信息和用于发送前导码的物理随机接入信道PRACH资源。
- 根据权利要求33至40中任一项所述的终端设备,其特征在于,所述收发单元具体用于:接收所述网络设备发送的无线资源控制RRC信令,所述RRC信令包括所述指示信息。
- 根据权利要求33至41中任一项所述的终端设备,其特征在于,所述收发单元具体用于:接收所述网络设备发送的物理下行链路控制信道命令PDCCH order,所述PDCCH order包括所述指示信息。
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TWI791070B (zh) | 2023-02-01 |
CN111183604A (zh) | 2020-05-19 |
EP3703293A1 (en) | 2020-09-02 |
CA3082913A1 (en) | 2019-05-23 |
JP2021509780A (ja) | 2021-04-01 |
BR112020009785A2 (pt) | 2020-11-03 |
TW201924463A (zh) | 2019-06-16 |
CA3082913C (en) | 2022-08-23 |
AU2017439929A1 (en) | 2020-06-18 |
EP3703293B1 (en) | 2022-03-30 |
US20200245374A1 (en) | 2020-07-30 |
CN111478762A (zh) | 2020-07-31 |
SG11202004536YA (en) | 2020-06-29 |
US10986671B2 (en) | 2021-04-20 |
MX2020005135A (es) | 2020-08-17 |
US20210212128A1 (en) | 2021-07-08 |
EP3703293A4 (en) | 2020-11-11 |
RU2754778C1 (ru) | 2021-09-07 |
CN111478762B (zh) | 2022-10-11 |
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