WO2018028656A1 - 系统信息传输方法及装置 - Google Patents
系统信息传输方法及装置 Download PDFInfo
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- WO2018028656A1 WO2018028656A1 PCT/CN2017/097006 CN2017097006W WO2018028656A1 WO 2018028656 A1 WO2018028656 A1 WO 2018028656A1 CN 2017097006 W CN2017097006 W CN 2017097006W WO 2018028656 A1 WO2018028656 A1 WO 2018028656A1
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- system information
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- terminal device
- transmission
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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
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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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
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
Definitions
- the present application relates to the field of system information transmission technologies, and in particular, to a system information transmission method and apparatus.
- the system information broadcast provides the user equipment (UE) with the main information of accessing the access network system.
- the system information in the system information broadcast is the link between the UE and the access network, and in the UE and the access network.
- the network device completes various types of services and physical processes in wireless communication through the transmission of system information.
- system information is divided into a master information block (MIB) and a plurality of system information blocks (SIBs), such as SIB1, SIB2, ..., SIB12, SIB13, ....
- MIB master information block
- SIBs system information blocks
- the scheduling period of the MIB is 40 ms
- the MIB is fixed to the 0th subframe transmission
- the scheduling period of the SIB1 is 80 ms
- the SIB1 is fixed to the 5th subframe transmission
- the SI message is scheduled on a fixed transmission window
- the UE receives the MIB and each SIB at a fixed location according to the scheduling period of the MIB and each SIB.
- the cell coverage is full antenna coverage, and the coverage is continuous and uninterrupted in time. Therefore, the transmission of system information is also deployed without time slots, so the UE can perform fixed scheduling on the MIB and each SIB.
- the MIB and each SIB are received at the location.
- massive MIMO massive multiple input multiple output
- Massive MIMO/beamforming technology adopts active antenna array technology. Combined with the pilot signal design and the user channel high-accuracy estimation algorithm, an extremely accurate user-level ultra-narrow beam is formed to direct the energy to the user's location.
- the beam within the cell coverage is not transmitted at full time, and time gaps may occur. If the UE still receives system information according to the existing method, it is easy to cause the UE to be at certain time. The operation of obtaining system information at the point failed.
- the object of the present invention is to provide a system information transmission method and apparatus to improve the probability of success of a terminal device receiving system information.
- a first aspect provides a system information receiving method, including: determining, by a terminal device, resource information, where the terminal device uses one beam to communicate on a resource indicated by the resource information; and the terminal device according to the resource information The system information is received on the resource indicated by the resource information.
- the terminal device determines the resource information, and according to the resource information, the terminal device may determine that the occurrence of the system information is unknown, and the terminal device may Receiving system information on the resource indicated by the resource information, thereby avoiding an operation in which the terminal device performs receiving system information at a fixed time point, but the operation fails due to no beam coverage at the corresponding time point, and the terminal is improved.
- the probability of success of the device receiving system information including: determining, by a terminal device, resource information, where the terminal device uses one beam to communicate on a resource indicated by the resource information; and the terminal device according to the resource information The system information is received on the resource indicated by the resource information.
- the beam in this application is formed by a beamforming technique of multi-antenna technology.
- the beam provides a plurality of physical channels, such as a common control channel, a dedicated control channel, and a traffic channel, for the UE within the coverage.
- a plurality of beams are included in one cell.
- the beam has a narrow beamwidth, typically less than 120 degrees.
- the resource information includes one or more of the following: frequency domain information, time domain information, code domain information, and airspace information.
- the frequency domain information includes one or more of the following: frequency information, carrier information, radio resource block information, and subcarrier information.
- the time domain information is absolute time information; or the time domain information includes a period and an offset, or the time domain information includes a period, an offset, and a duration.
- the time domain information is granular with radio frames, subframes, time symbols, and/or Transmission Time Interval (TTI).
- TTI Transmission Time Interval
- the determining, by the terminal device, the resource information includes: acquiring, by the terminal device, beam determining information; and determining, by the terminal device, the resource information according to the beam determining information.
- the terminal device may acquire the resource information according to the beam determining information.
- the terminal device acquires beam determining information, including: the terminal device acquiring the beam determining information from the network device. In this implementation manner, the terminal device acquires beam determination information according to scheduling of the network device.
- the beam decision information includes one or more of the following: total beam information of the base station, beam information that occurs simultaneously in parallel, and a signal for identifying the beam.
- the signal for identifying a beam includes one or more of the following: a reference signal of a beam, a discovery signal of a beam, and a beam identification.
- the terminal device determines the resource information according to the beam determining information, including: when the beam determining information acquired by the terminal device includes a signal for identifying a beam, the terminal device according to the signal for identifying the beam The resource information is determined corresponding to the resource information.
- the terminal device determines the resource information according to the correspondence between the signal for identifying the beam and the resource information, and the implementation manner is simple.
- the determining, by the terminal device, the resource information includes: determining, by the terminal device, the resource information by using a beam scan.
- the terminal device determines the resource information by using beam scanning, and reduces the interaction cost with the network device, such as the base station.
- the terminal device determines the resource information, the terminal device determines the resource information according to the beam information carried by the synchronization sequence of the beam, or the terminal device determines the resource information by traversing the mask, where
- the mask is a mask for identifying a signal of a beam or a mask corresponding to a beam usage resource.
- the resource information includes transmission resource information of a beam and/or transmission resource information of system information.
- the transmission resource information of the system information includes the transmission resource information of the at least one first system information block and the transmission resource information of the at least one second system information block.
- the system information acquired by the terminal device may be the transmission resource information of the at least one first system information block and the transmission resource information of the at least one second system information block, not only used in the current communication system, but also in the future.
- the terminal device receives the system information on the resource indicated by the resource information according to the resource information, and includes: the resource indicated by the terminal device in the sending resource information of the system information, and the The system information is received on the intersection resource of the resource indicated by the transmission resource information of the beam; or the terminal device receives the system information on the resource indicated by the transmission resource information of the beam according to the transmission resource information of the beam.
- the terminal device receives the system information on the resource indicated by the transmission resource information of the beam according to the transmission resource information of the beam, including: the terminal device according to the transmission resource information of the beam, according to a predefined The rule or network device notification manner, receiving system information on a subset or a complete set of resources indicated by the transmission resource information of the beam.
- the terminal device receives, according to the transmission resource information of the beam, a subset or a complete set of resources indicated by the transmission resource information of the beam according to a predefined rule or a notification by the network device.
- the system information includes: the terminal device receives the first system information block and/or the second system information block by using the first available resource on the time domain resource of the selected beam in a specific system information sending period; or, the terminal device The first system information block and/or the second system information block are connected to the available resource that is closest to the predefined system information transmission resource on the time domain resource of the selected beam during a specific system information transmission period; or, the terminal device Receiving the first system information block and/or the second system information block according to a period and an offset of the network device notification; or the period in which the terminal device receives the system information is a transmission period of the system information and a minimum transmission period of the beam common multiple.
- the terminal device receives, according to the transmission resource information of the beam, a subset or a complete set of resources indicated by the transmission resource information of the beam according to a predefined rule or a notification by the network device.
- the system information includes: a sending period of the first system information block and/or the second system information block and a sending subframe fixed, and the terminal device selects to read the first system information block and/or on the beam with available resources at the corresponding time point.
- the transmission period and the transmission subframe of the first system message block and/or the second system message block are configured according to a transmission period of the beam and a transmission subframe, and the terminal device selects the beam and selects the beam
- the first system information block and/or the second system information block are read at corresponding time points.
- the method further includes: determining, by the terminal device, the sending resource information of the third system information block according to the resource information.
- the terminal device determines, according to the resource information, the sending resource information of the third system information block, including: the terminal device indicates by sending the window time of the third system message block and the time domain information of the beam.
- the beam scan time takes the intersection and determines the transmission time of the third system message block.
- the terminal device when the terminal device receives multiple beams at the same time, the terminal device receives the system information on the resource indicated by the resource information according to the resource information, including: the terminal device is in the Nth beam period. And reading system information of the beam N according to the resource information used by the beam N, where N is a sequence number of multiple beams simultaneously received by the terminal device; or, resource information used by the terminal device according to the beam N in each beam period Reading the system information of the beam N, where N is the sequence number of the plurality of beams simultaneously received by the terminal device.
- the method further includes: determining, by the terminal device, a receiving time of the receiving system information update indication message; the terminal device receiving the system information update indication message at the determined receiving time; the terminal device according to the system The information update indication message reacquires all or part of the resource information.
- the terminal device determines the receiving time of the receiving system information update indication message, including: the receiving time of the receiving system information update indication message determined by the terminal device is aligned with the sending time of the beam.
- the terminal device determines the manner in which the receiving time of the system information update indication message is aligned with the sending time of the beam, including: after the terminal device determines the sending time position of the system information update indication message, the terminal device is at the corresponding time.
- the system information update indication message is read on the beam with the available resources; or the transmission time of the system information update indication message is configured according to the transmission period of the beam and the transmission subframe, and the terminal device reads the system at the corresponding time position of the selected beam.
- the information update indication message or, after the terminal device determines the transmission time position of the system information update indication message, the terminal device reads the system information update indication message on the intersection resource of the transmission time of the update indication message and the transmission time of the beam; or, the terminal The period in which the device receives the system information update indication message is the least common multiple of the system information update indication message transmission period and the beam transmission period; and the subframe position of the terminal device receiving the system information update indication message is configured according to the transmission subframe position of the beam.
- a system information sending method including: the network device allocates resources for a beam; and the network device provides resource information of resources allocated to the beam to the terminal device.
- the resource information includes one or more of the following: frequency domain information, time domain information, code domain information, and airspace information.
- the frequency domain information includes one or more of the following: frequency information, carrier information, radio resource block information, and subcarrier information.
- the time domain information is absolute time information; or the time domain information includes a period and an offset.
- the time domain information is granular in radio frames, subframes, time symbols, and/or TTI.
- the network device provides beam determining information to the terminal device, so that the terminal device determines the resource information according to the beam determining information;
- the beam determining information includes one or more of the following: a total number of beams of the base station. Beam information that appears in parallel at the same time and a signal used to identify the beam.
- the signal for identifying a beam includes one or more of the following: a reference signal of a beam, a discovery signal of a beam, and a beam identification.
- the network device provides the resource information of the resource allocated to the beam to the terminal device, including: the network device carries the beam information in the synchronization sequence, so that the terminal device determines the information according to the beam information in the synchronization sequence. Resource information; or, the network device provides a mask for the beam discovery signal or signaling to the terminal device, so that the terminal device determines the resource information by traversing the mask.
- the resource information includes transmission resource information of a beam and/or transmission resource information of system information.
- the transmission resource information of the system information includes the transmission resource information of the at least one first system information block and the transmission resource information of the at least one second system information block.
- the method further includes: the network device notifying the terminal device of the manner of receiving the system information, so that the terminal device, according to the notification of the network device, is on a subset or a complete set of resources indicated by the transmitted resource information of the beam. Receive system information.
- the manner in which the network device notifies the terminal device to receive system information includes:
- the first system information block and/or the second system information block receives, by the first available resource on the time domain resource of the selected beam, the first system information block and/or the second system information block during a specific system information transmission period; or, during a specific system information transmission period,
- the first system information block and/or the second system information block that are closest to the predefined system information transmission resource on the time domain resource of the selected beam are connected to the first system information block and/or the second system information block; or, according to the period and offset of the network device notification Receiving the first system information block and/or the second system information block; or receiving the system information is a least common multiple of a period of transmission of the system information and a period of resource resources used by the beam.
- the network device notifies the terminal device of the manner of receiving the system information, including: the sending period of the first system information block and/or the second system information block and the sending subframe are fixed, and the selection is available at the corresponding time point.
- the first system information block and/or the second system information block are read on the beam of the resource; or the transmission period and the transmission subframe of the first system message block and/or the second system message block are according to the transmission period and the transmitter of the beam
- the frame configuration selects a beam and reads the first system information block and/or the second system information block at a corresponding point in time of the selected beam.
- the manner in which the network device notifies the terminal device to receive the system information includes: when the terminal device receives multiple beams at the same time, in the Nth beam period, according to the resource information used by the beam N, the reading beam N is read.
- System information, where N is the sequential number of multiple beams received by the terminal device at the same time; or, when the terminal device receives multiple beams at the same time, in each beam period, according to the resource information used by the beam N, the reading beam N is read.
- System information, where N is the sequential number of multiple beams received by the terminal device simultaneously.
- the method further includes: transmitting a system information update indication message to the terminal device.
- the embodiment of the present application provides a terminal device, which has a function of implementing behavior of a terminal device in the design of the foregoing method.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the modules can be software and/or hardware.
- the structure of the terminal device includes at least one processor and a receiver, at least one processor is configured to determine the resource information, and the terminal device uses one beam to perform on the resource indicated by the resource information. And a receiver, configured to receive system information on the resource indicated by the resource information according to the resource information.
- the embodiment of the present application provides a network device, which has the function of implementing the behavior of the network device in the actual method.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the network device includes at least one processor and a transmitter, at least one processor is configured to allocate resources for the beam, and a transmitter is configured to provide resource information of resources allocated to the beam to the terminal device.
- the embodiment of the present application provides a computer storage medium for storing computer software instructions used by the terminal device, which includes a program designed to perform the above aspects.
- the embodiment of the present application provides a computer storage medium for storing computer software instructions used by the network device, which includes a program designed to perform the above aspects.
- the solution of the embodiment of the present application can prevent the terminal device from performing the operation of receiving the system information at a fixed time point to some extent, but the terminal device receives the system information successfully due to the operation failure caused by the beam coverage at the corresponding time point. Probability.
- FIG. 1 is a schematic diagram of a possible application scenario of the present application
- FIG. 2 is a schematic diagram of a specific scenario of an embodiment of the present application.
- FIG. 3 is a flowchart of a system information receiving method according to an embodiment of the present application.
- FIG. 5 is a flowchart of another system information receiving method according to an embodiment of the present application.
- FIG. 6 is a flowchart of a system information sending method according to an embodiment of the present application.
- FIG. 7 is a simplified schematic diagram of a possible design structure of a UE involved in the above embodiment
- FIG. 8 is a schematic structural diagram of a network device involved in the foregoing embodiment.
- the network architecture and the service scenario described in the embodiments of the present application are for the purpose of more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute a limitation of the technical solutions provided by the embodiments of the present application.
- the technical solutions provided by the embodiments of the present application are equally applicable to similar technical problems.
- FIG. 1 is a schematic diagram of a possible application scenario of the present application.
- the terminal device is a UE in FIG. 1, and the UE accesses the service network through a radio access network (RAN) and a core network (CN).
- RAN radio access network
- CN core network
- the techniques described herein may be applicable to LTE systems employing active antenna array technology, LTE evolution systems, and fifth generation 5G communication systems, or other various wireless communication systems employing active antenna array technology.
- the user equipment UE involved in the present application may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices or other processing devices connected to the wireless modem, and various forms of user equipment (user equipment) , UE), mobile station (MS), terminal, terminal equipment, and the like.
- user equipment user equipment
- MS mobile station
- terminal equipment terminal equipment
- the devices mentioned above are collectively referred to as user equipments or UEs.
- the network device involved in the present application may be a device in a radio access network, such as a base station, or a device in a core network, such as a mobility management entity (MME), as needed.
- MME mobility management entity
- the base station (BS) described above is a device deployed in the radio access network to provide wireless communication functions for the UE.
- the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems using different radio access technologies, devices with base station functions may use different naming schemes.
- FIG. 2 is a schematic diagram of a specific scenario of an embodiment of the present application.
- the system shown in Figure 2 supports beamforming techniques such as support for 3D-MIMO technology.
- the antennas on the base station form multiple beams, and each beam corresponds to a different virtual partition.
- the beams corresponding to UE1, UE2, UE3, and UE4 are respectively called beam 1, beam 2, beam 3, and Beam 4, wherein beam 1, beam 2 and beam 4 are spatially multiplexed in a horizontal dimension, beam 2 and beam 3 are spatially multiplexed in a vertical dimension, and are limited by antenna power, and each beam is sequentially transmitted in the time domain. It is called beam scanning technology.
- the beam within the coverage is not transmitted at all times, in any one. There is a certain time interval between adjacent two beams in the virtual partition.
- the cell coverage is full antenna coverage, and the coverage is continuous and uninterrupted in time.
- the system information in the current system information broadcast is also deployed based on the full antenna coverage mode. As shown in Figure 2 There is a certain time interval between the coverage beams in the system. If the system information deployment mode in the existing solution is still adopted, the UE may fail to obtain system information at certain points in time.
- the embodiment of the present application provides a system information transmission method based on a system such as that shown in FIG. 2.
- the system information transmission method in the present application includes a system information receiving method and a system information transmitting method, and the receiving and transmitting methods will be described in detail below with reference to the accompanying drawings.
- the beam in the embodiment of the present application is formed by a beamforming technique of multi-antenna technology.
- the beam provides multiple physical channels, such as a common control channel, a dedicated control channel, and a traffic channel, for the UE within the coverage. Multiple cells are included in one cell.
- the beam has a narrow beamwidth, typically less than 120 degrees.
- the one cell may be a cell of a coverage area, or may be a large area with multiple transmission points, such as a hypercell, a super cell, or a resource set having a unified identifier.
- Different beams in a cell can come from the same transmitting point or from different transmitting points.
- a method of using multiple narrow beams to transmit multiple coverage areas in the time domain to cover different service areas is used in the networking.
- the analog beam of a sub-column is sent in a certain direction, so the number of sub-columns determines the number of directions and the corresponding coverage of the beam on one OFDM symbol.
- the number of beams covering the entire service area is significantly larger than the number of sub-columns, especially when the beam width is narrow.
- Different narrow beams are transmitted in the time domain, also known as beam scanning technology, which will be used to cover the entire service area with the beam and obtain a larger directional antenna gain.
- the UE does not directly receive the system information according to the method in the prior art.
- the UE determines resource information, according to which the UE can receive system information on the resource indicated by the resource information, thereby avoiding the UE performing the operation of receiving system information at a fixed time point, however, due to the corresponding time The operation failure caused by no beam coverage at the point.
- FIG. 3 is a flowchart of a system information receiving method according to an embodiment of the present application. As shown in FIG. 3, the processing steps of the method include:
- the UE determines the resource information, and the terminal device uses one beam to communicate on the resource indicated by the resource information.
- the UE determines the resource information, specifically, the UE determines the resource information in the cell in which it is located.
- the resource information may have multiple representation manners, such as one or more of frequency domain information, time domain information, code domain information, and airspace information of the beam usage resource.
- the frequency domain information may include one or more of frequency information, carrier information, radio resource block information, and subcarrier information, as needed.
- the time domain information may be the absolute time information of the beam appearance or the relative time information of the beam appearance, and may be the period and the offset of the beam appearance for the relative time information, or may be a beam appearance. Cycle, offset, duration.
- time domain information of the beam is granular with radio frames, subframes, time symbols, and/or TTI.
- the code domain information refers to coded information of resources used by the beam.
- the airspace information refers to spatial information of resources used by the beam, such as beam identification, beam reference signals, and the like.
- the resource information includes the transmission resource information of the beam and the transmission resource information of the system information, and the UE determines that the resource information may refer to the transmission resource information of the beam and/or the transmission resource of the system information. information.
- the UE receives system information on the resource indicated by the resource information.
- the UE determines the resources of the beam broadcast system information according to the resource information obtained in the above S101, and further receives the system information from the resources of the transmission system information.
- the transmission resource information of the system information includes the transmission resource information of the at least one first system information block and the transmission resource information of the at least one second system information block.
- the UE receives at least one first system information block on the corresponding resource according to the transmission resource information of the at least one first system information block, and receives at least one local system on the corresponding resource according to the transmission resource information of the at least one second system information block. Information block.
- the UE also receives the third system information block, wherein the resource location for transmitting the third system information block is calculated, and the specific calculation method is described in detail in the following embodiments.
- the first system information block corresponds to the main message block MIB
- the second system information block corresponds to the first system message block SIB1
- the third system information block corresponds to one or more SIs (SI1-SIn); in the LTE evolution system
- the first system information block, the second system information block, and the third system information block may adopt other naming methods.
- the manner in which the UE determines the resource information includes but is not limited to the following manners:
- the first way (1) The UE acquires beam judgment information.
- the UE obtains beam judgment information from the network device, where the network device may be a base station or other base station or a core network or a server that the UE communicates.
- the UE obtains beam determination information in a Radio Resource Control (RRC) release message after the end of the attach process.
- RRC Radio Resource Control
- the UE obtains beam determination information in the attach process, and, for example, the UE switches from the handover process. Beam judgment information is obtained in the message.
- RRC Radio Resource Control
- the beam judgment information acquired by the UE from the network device includes one of the total number of beams of the base station, the beam information that appears in parallel, the signal for identifying the beam, and the signal for distinguishing the beam resources (ie, the beam itself is not visible to the UE)kind or more.
- the signal for identifying the beam comprises one or more of a reference signal of the beam, a discovery signal of the beam, and an identifier of the beam, wherein in one implementation the discovery signal of the beam comprises a reference signal of the beam.
- the signal used to distinguish the beam resources is in a certain range, for example, within a certain base station, within a certain geographical range, within a TRR, the signal that the UE can distinguish the beam resources, and the beam itself is invisible to the UE. .
- the UE may acquire the beam judgment information from the network device when the beam needs to acquire the beam resource information, or the UE may acquire the beam judgment information from the network device in advance.
- the resource information is obtained, the required information is searched for from the beam judgment information acquired in advance.
- the UE determines the resource information according to the beam determination information.
- the UE When the beam judgment information acquired by the UE includes a signal for identifying a beam and/or a signal for distinguishing a beam resource, the UE is configured according to a signal for identifying a beam and/or a signal for distinguishing a beam resource from resource information. Corresponding relationship, determining the resource information.
- the correspondence may be defined in advance in the standard protocol text, in the UE memory, or configured by network signaling.
- FIG. 4 there is a schematic diagram of a beam.
- PBCH physical broadcast channel
- FIG. 4 it is assumed that a physical broadcast channel (PBCH) distribution is transmitted in eight beams in one cell or sector, and the eight beams are numbered as 0-7, wherein the number is used as the identification number of the beam, and corresponds to the signal of the beam identification beam and/or the signal used to distinguish the beam resource.
- Table 1 and Table 2 different numbered beams respectively correspond to different numbers.
- operating hours. T1, T2... in the figure can be the absolute time information of the beam appearing, and the period and offset of the beam appearing.
- the time information may be granular in radio frames, subframes, time symbols, and/or TTI.
- the UE may determine the resource information by checking the comparison relationship table as shown in Tables 1 to 3 by the acquired beam number.
- the second mode the UE determines the resource information by using beam scanning. For example, the UE records the working time information of the beam by scanning the beam that can be received, and whether the beam or the beam is received by the beam.
- the MIB or the first system message is extracted from the scanned beam, and the time information carried in the extracted MIB or in the first system message is recorded.
- the third mode the UE determines the resource information according to the beam information carried by the synchronization sequence of the beam during the cell synchronization process.
- the network device carries the beam information in the synchronization sequence, so that the UE determines the resource information according to the beam information carried by the synchronization sequence of the beam in the cell synchronization process.
- the beam information carried by the synchronization sequence of the beam includes one or more of a total number of beam information of the base station, beam information that appears in parallel, and a signal for identifying the beam.
- the signal for identifying the beam comprises one or more of a reference signal of the beam, a discovery signal of the beam, and an identifier of the beam, wherein in one implementation the discovery signal of the beam comprises a reference signal of the beam.
- the beam information carried in the synchronization sequence is the same as the content of the beam determination information in the first method.
- the manner of determining the resource information by using the beam information carried in the synchronization sequence refer to the first method.
- the beam information carried in the synchronization sequence may include a mask in addition to the form of the mode, and the UE determines the resource information by using a traversal mask, where the mask is a mask for identifying a signal of the beam or a beam usage resource corresponding to Mask.
- Tables 4 and 5 show a correspondence table between the mask and the resources used by the beam, according to which the resources used by the beam can be determined after the mask is obtained.
- the UE may first use the pre-configured resource information or the history information of the resource information; if the UE does not save the related information, the UE may obtain the resource information of the beam by the foregoing manner, for example, recording the working time information of the beam by scanning the received beam.
- the manner in which the UE receives the system information on the resource indicated by the resource information may include:
- the first mode the base station sets resources for sending system messages or configures resources for sending system messages according to a predefined manner.
- the UE obtains the transmission resource information of the beam and the transmission resource information of the system information, and the UE may separately determine the resource of the transmission beam and the resource of the system information according to the transmission resource information of the beam and the transmission resource information of the system information, so the UE may select the system.
- the system information is received on the intersection resource of the resource indicated by the transmission resource information of the information and the resource indicated by the transmission resource information of the beam.
- the second mode is: the base station configures, according to the time domain resource information of the beam, the sending resource information of the system message on the beam, including time information.
- the UE obtains the transmission resource information of the beam, and the UE can determine the resource of the transmission beam according to the transmission resource information of the beam. Therefore, the UE can receive the system information on the resource indicated by the transmission resource information of the beam.
- the receiving, by the UE, the system information on the resource indicated by the resource information may be a subset of resources indicated by the UE according to the transmitted resource information of the beam, according to a predefined rule or a notification by the network device, or the resource information indicated by the beam. Receive system information on the complete set.
- the first system information block in this application includes basic configuration information of a cell, and includes at least one of the following information:
- PLMN Public land mobile network
- ID identification
- TAC track area code
- CGI global cell identifier
- carrier frequency information carrierfreq
- bandwidth information Bandwidth
- whether the cell is disabled cellbarred
- the user terminal may establish a connection with the cell or camp on the cell according to the access information.
- the access information of the cell may include at least one of the following: a public land mobile network (PLMN) identifier (ID), a track area code (TAC), a global cell identifier (CGI) ), carrier frequency information, bandwidth information, random access information, working mode information (TDD or FDD), logical channel configuration information of the cell, physical channel and signaling configuration information of the cell, signaling configuration information of the cell, timer information , cyclic prefix (CP) length, power control information.
- PLMN public land mobile network
- ID track area code
- CGI global cell identifier
- carrier frequency information bandwidth information
- random access information random access information
- TDD working mode information
- logical channel configuration information of the cell physical channel and signaling configuration information of the cell
- signaling configuration information of the cell timer information
- CP cyclic prefix
- the access information of the cell may include the MIB, SIB1 or/and SIB2 specified in 3GPP 36.331 (3GPP TS 36.331 V13.0.0 (2015-12) download address: http://www.3gpp.org/dynareport/36331.htm). At least a portion of the information carried, or a combination of at least a portion of the information carried by the three. The contents of this agreement are included in this application and will not be described again.
- the second system information block includes information such as measurement.
- the present application does not limit the combination of the first system information block and the second system information block into one system information block; nor does the first system information block and/or the second system information block are split into a plurality of system information blocks.
- the manner in which the UE receives system information according to a predefined rule or a network device notification includes but is not limited to the following:
- the UE selects a resource available on a time domain resource of the beam to receive the first system information block and/or the second system information block during a specific system information transmission period.
- the base station configures the transmission time of the first system information block and/or the second system information block according to the time domain resource of the beam.
- the UE receives the first system information block and/or the second system information block by selecting the first available resource on the time domain resource of the beam during a specific system information transmission period.
- the specific system information sending period may be one sending period predefined by the UE, or may be a sending period notified by the network device, and may also use one sending period randomly selected by the UE as the specific system sending period here, and send the specific system information.
- the first available resource on the time domain resource of the UE selection beam receives the first system information block and/or the second system information block.
- the UE may select the available resource that is closest to the predefined system information transmission resource on the time domain resource of the beam to receive the first system information block and/or the second system information block in a specific system information transmission period.
- the UE receives the first system information block and/or the second system information block according to the period and offset of the network device notification or the period, offset, and duration (or transmission window length) notified by the network device.
- the period in which the UE receives the system information is the least common multiple of the transmission period of the system information and the period of the resource resource used by the beam.
- the UE selects a beam of the transmission resource including the first system information block and/or the second system information block on the available time domain resource to receive the first system information block and/or the first time in a specific system information transmission period.
- the second system information block for example, the transmission period of the first system information block is 40 ms, and is transmitted on the fixed number 0 subframe; the working time of the beam 1 is on the 0th subframe of the period 1 (10 ms); the working time of the beam 2 In subframe 0 of period 2 (10 ms); the working time of beam 3 is in subframe 0 of period 3 (10 ms); the working time of beam 4 is in subframe 0 of period 4 (10 ms); then UE is in cycle 1 (10ms) sub-frame 0 de-beam 1 receives the first system message block, and receives the first system message block in the 0th subframe de-beam 2 of period 2 (10ms), in the period 3 (10ms) of the 0th sub- The frame de-beam 3 receive
- the UE reads the system information of the beam N according to the resource information used by the beam N in each beam period, where N is the sequence number of multiple beams received by the UE, that is, In one beam period, the UE reads the system information of the beam 1 on the transmission resource of the beam 1, and reads the system information of the beam 2 on the transmission resource of the beam 2... reads the beam N on the transmission resource of the beam N.
- System information if the UE can receive multiple beams, the UE reads the system information of the beam N according to the resource information used by the beam N in each beam period, where N is the sequence number of multiple beams received by the UE, that is, In one beam period, the UE reads the system information of the beam 1 on the transmission resource of the beam 1, and reads the system information of the beam 2 on the transmission resource of the beam 2... reads the beam N on the transmission resource of the beam N.
- System information if the UE can receive multiple beams, the UE reads the system information of the beam N according to the resource
- the UE receives the system information on the resource indicated by the resource information in a manner of a predefined rule or a network device notification, including:
- the first mode the transmission period of the first system information block and/or the second system information block and the transmission subframe are fixed.
- the first system information block and the second system information block are still configured according to the configuration in the prior art.
- the scheduling period of the MIB is 40 ms
- the MIB is fixed to the 0th subframe
- the scheduling period of the SIB1 is 80 ms
- the SIB1 is fixed to the 5th subframe.
- the UE can select the system.
- the first system information block and/or the second system information block are read on the beam of available resources at the transmission time position of the information.
- the second mode the transmission period and the transmission subframe of the first system message block and/or the second system message block are configured according to the transmission period of the beam and the transmission subframe, and the UE selects the beam and reads at the corresponding time position of the selected beam.
- the first system information block and/or the second system information block are taken.
- the time when the base station configuration beam1 appears is RF1-subframe#0; RF2-subframe#1; RF3-subframe#2; RF4-subframe#3, then the base station selects the subframe or time when beam1 appears.
- the MIB is transmitted on the symbol, and the corresponding UE receives the MIB on the subframe in which the MIB appears.
- the base station also sends the SIB1 according to the subframe or time symbol in which the beam1 appears, and the corresponding UE receives the SIB1 at the time when the SIB1 occurs.
- FIG. 5 is a flowchart of another system information receiving method according to an embodiment of the present application. 5, in addition to steps S101 and S102 shown in the system information receiving method shown in FIG. 3, the method further includes step S103, and the UE determines the transmission resource information of the third system information block according to the resource information.
- the UE determines the sending time of the third system message block by taking the intersection of the transmission window time of the third system message block and the beam scanning time indicated by the time domain information of the beam.
- the UE determines, by using a calculation, a sending resource of the third system information block, including:
- u-x-beam_periodic*m (beam_periodic/beam_num)*(beam_id-1)
- T1 is the period si-Periodicity xn-1w of the corresponding SI
- w represents si-WindowLength
- n is the sequence number subframe position scheduled by the SI in the schedulingInfoList: x mod 10 starts from the beginning of the SI-winsow, using SI- The RNTI receives the DL-SCH and continues until the end of the SI-window. It does not include the following subframes: subframe 5 in the radio frame, where SFN mod 20; any MBSFN subframe; any uplink subframe in the TDD.
- the UE After determining x, the UE needs to determine the radio frame and subframe position from the start of SI-n.
- the specific algorithm is:
- T2 is the least common multiple of the period of the transmission window and the transmission period of the beam.
- Window Length is an absolute value, the value range is [1, 2, 5, 10, 15, 20, 40], the unit is a sub-frame, and is indicated in SIB1.
- T is the period si-Periodicity xn-1w of the corresponding SI
- w represents si-WindowLength
- n is the sequence number subframe position scheduled by the SI in the schedulingInfoList: x mod 10 starts from the beginning of the SI-winsow and receives using the SI-RNTI
- the DL-SCH continues until the end of the SI-window. It does not include the following subframes: subframe 5 in the radio frame, where SFN mod 20; any MBSFN subframe; any uplink subframe in the TDD.
- the UE when the UE receives multiple beams at the same time, the UE reads the system information of the beam N according to the resource information used by the beam N in the Nth beam period, where N is multiple received by the UE at the same time.
- the sequence number of the beam that is, the UE reads the system information of the beam 1 according to the resource information used by the beam 1 in the first beam period, and the UE reads the beam 2 according to the resource information used by the beam 2 in the second beam period.
- the system information ...
- the beam reads the system information of the beam N according to the resource information used by the beam N in the Nth beam period.
- the UE selects a subset or all of the transmission resources of the third system information block sending window on the available time domain resources in a specific system information transmission period.
- the beam receives the third system information block; for example, the transmission period of the third system information block is 160 ms, the transmission window length is 5 ms, and the transmission is started in the first subframe of the first radio frame of each period;
- the working time is in subframe 1 of the first radio frame of each period;
- the working time of beam 2 is in subframe 2 of the first radio frame of each period;
- the working time of beam 3 is in the period of each period Frame 3 of a radio frame;
- the working time of beam 4 is in subframe 4 of the first radio frame of each period;
- the working time of beam 5 is at number 5 of the first radio frame of each period.
- the UE receives the third system message block in the first subframe of the first radio frame of each period, and receives the third system message block in the first radio frame of each period.
- System message block, number 3 of the first radio frame in each cycle The de-beam 3 receives the third system message block, and receives the third system message block in the 4th subframe de-beam 4 of the first radio frame of each period, and the subframe 5 of the first radio frame in each period
- the de-beam 5 receives the third system message block.
- the solution of the embodiment of the present application may further include the step S104, where the UE receives the system information update indication message.
- the UE may update the system information update indication message to reacquire all or part of the resource information.
- the key is to determine the receiving time of the receiving system information update indication message, and the UE needs to consider the transmission time of the beam when determining the receiving time of the receiving system information update indication message to ensure the receiving system information update indication.
- the reception time of the message is aligned with the transmission time of the beam.
- the manner in which the UE ensures that the receiving time of the system information update indication message is aligned with the sending time of the beam includes but is not limited to the following:
- Manner 1 After the UE determines the sending time position of the system information update indication message, the UE reads the system information update indication message on the beam with the available resources at the corresponding time position.
- the UE may receive the paging message only at the designated subframe (PO) of the designated radio frame (PF), and the calculation of the PF, PO needs to add the information of the beam time.
- PO designated subframe
- PF designated radio frame
- the UE can only receive a paging message at a fixed subframe (PO) of a specified radio frame (PF), for example, for a TDD system, the UE has 0, 1 of a certain radio frame in a paging cycle.
- PF radio frame
- the calculation methods of PF and PO are as follows:
- TDD is shown in Table 7 (all UL/DL configurations):
- Ns max(1,nB/T)
- nB 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, N:min(T,nB)
- T is the DRX cycle of the UE
- the UE_ID is the identity of the UE.
- the IMSI mode 1024.nB and T can be sent to the UE through a broadcast message.
- the UE After the UE determines the sending time position of the paging message according to the above formula 1) 2), the UE selects to read the paging message on the beam with the available resources at the corresponding time point;
- Manner 2 The system information update indication message is sent according to the transmission period of the beam and the transmission subframe configuration, and the UE reads the system information update indication message at the corresponding time position of the selected beam.
- the UE After the UE determines the transmission time position of the paging message according to the above formula (1) (2), the UE reads the paging message on the intersection resource of the transmission time of the paging message and the time of the beam use.
- Manner 3 After the UE determines the sending time position of the system information update indication message, the UE reads the system information update indication message on the intersection resource of the sending time of the update indication message and the sending time of the beam.
- the sending time position of the paging message is configured according to the transmission period of the beam and the transmission subframe, and the UE reads the paging message at the corresponding time point on the selected beam.
- Manner 4 The least common multiple of the system information update indication message transmission period and the beam transmission period when the UE receives the period of the system information update indication message; the subframe position of the UE receiving the system information update indication message is configured according to the transmission subframe position of the beam.
- the period in which the UE receives the paging message is the least common multiple of the paging period and the beam transmission period calculated by the above formula (1) and formula (2); the paging subframe is transmitted according to the beam. Configuration.
- the UE receives a paging message in one of the subframes 0, 1, 5, and 6 of a certain radio frame in a paging period, and obtains the content of the paging message, and then updates the system.
- PF and PO the calculation methods of PF and PO are as follows:
- T1 least common multiple (T, beam_periodic);
- Ns max(1,nB/T)
- nB 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, N:min(T,nB)
- T is the DRX cycle of the UE
- the UE_ID is the identity of the UE.
- the IMSI mode 1024.nB and T can be sent to the UE through a broadcast message.
- X, y, m, n are any number within 0-9, selected during the time of beam transmission.
- each network element such as a UE, a base station, a core network entity, etc.
- each network element such as a UE, a base station, a core network entity, etc.
- each network element includes corresponding hardware structures and/or software modules for performing various functions.
- the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
- FIG. 6 is a flowchart of a system information sending method according to an embodiment of the present application, where the method includes:
- the network device allocates resources for the beam.
- the network device provides resource information of a resource allocated to the beam to the terminal device.
- the resource information includes one or more of the following: frequency domain information, time domain information, code domain information, and airspace information.
- the frequency domain information includes one or more of the following: frequency information, carrier information, radio resource block information, and subcarrier information.
- the time domain information is absolute time information; or the time domain information includes a period and an offset.
- the time domain information is granular by a radio frame, a subframe, a time symbol, and/or a TTI.
- the network device provides beam determining information to the terminal device, so that the terminal device determines the resource information according to the beam determining information.
- the beam determining information includes one or more of the following: a total number of beam information of the base station, and concurrently appearing in parallel Beam information and signals used to identify the beam.
- the signal used to identify the beam includes one or more of the following: a reference signal of the beam, a discovery signal of the beam, and a beam identifier.
- the network device provides the resource information of the resource allocated to the beam to the terminal device, where the network device carries the beam information in the synchronization sequence, so that the terminal device determines the resource information according to the beam information in the synchronization sequence; or And the network device provides a mask for the beam discovery signal or signaling to the terminal device, so that the terminal device determines the resource information by traversing the mask.
- the resource information includes sending resource information of the beam and/or sending resource information of the system information.
- the sending resource information of the system information includes the sending resource information of the at least one first system information block and the sending resource information of the at least one second system information block.
- the method further includes: the network device notifying the terminal device of the manner of receiving the system information, so that the terminal device receives the system information according to the notification of the network device, according to the subset or the complete set of resources indicated by the transmit resource information of the beam.
- the manner in which the network device notifies the terminal device to receive the system information includes: receiving, in a specific system information sending period, the first available resource on the time domain resource of the selected beam to receive the first system information block and/or Second a system information block; or, in a specific system information transmission period, the first system information block and/or the second system information is connected to the available resource closest to the predefined system information transmission resource on the time domain resource of the selected beam.
- Blocking; or, receiving the first system information block and/or the second system information block according to a period and an offset of the network device notification; or, receiving a period of the system information is a transmission period of the system information and a resource used by the beam The least common multiple of the period of the resource.
- the manner in which the network device notifies the terminal device to receive the system information includes: sending a period of the first system information block and/or the second system information block and the sending subframe is fixed, and selecting a beam with available resources at the corresponding time point. Reading the first system information block and/or the second system information block; or the transmission period and the transmission subframe of the first system message block and/or the second system message block are selected according to the transmission period of the beam and the transmission subframe configuration The beam and the first system information block and/or the second system information block are read at corresponding time points of the selected beam.
- the manner in which the network device notifies the terminal device to receive the system information includes: when the terminal device receives the multiple beams at the same time, reading the system information of the beam N according to the resource information used by the beam N in the Nth beam period, Where N is the sequence number of multiple beams received by the terminal device at the same time; or, when the terminal device receives multiple beams at the same time, in each beam period, the system information of the beam N is read according to the resource information used by the beam N, N is the sequence number of multiple beams received by the terminal device at the same time.
- the method further includes: sending a system information update indication message to the terminal device.
- Fig. 7 shows a simplified schematic diagram of one possible design structure of the UE involved in the above embodiment.
- the UE includes a transmitter 301, a receiver 302, a controller/processor 303, a memory 304, and a modem processor 305.
- Transmitter 301 conditions (e.g., analog transforms, filters, amplifies, and upconverts, etc.) the output samples and generates an uplink signal that is transmitted via an antenna to the base station described in the above embodiments.
- the antenna receives the downlink signal transmitted by the base station in the above embodiment.
- Receiver 302 conditions (eg, filters, amplifies, downconverts, digitizes, etc.) the signals received from the antenna and provides input samples.
- encoder 306 receives the traffic data and signaling messages to be transmitted on the uplink and processes (e.g., formats, codes, and interleaves) the traffic data and signaling messages.
- Modulator 307 further processes (e.g., symbol maps and modulates) the encoded service data and signaling messages and provides output samples.
- Demodulator 309 processes (e.g., demodulates) the input samples and provides symbol estimates.
- the decoder 308 processes (e.g., deinterleaves and decodes) the symbol estimate and provides decoded data and signaling messages that are sent to the UE.
- Encoder 306, modulator 307, demodulator 309, and decoder 308 may be implemented by a composite modem processor 305. These units are processed according to the radio access technology employed by the radio access network (e.g., access technologies of LTE and other evolved systems).
- the controller/processor 303 controls and manages the actions of the UE for performing the processing performed by the UE in the above embodiment. For example, other processes for controlling the UE to determine a resource information and/or the techniques described herein. As an example, the controller/processor 303 is configured to support the UE in performing the process 101 of FIG. 3, the processes 101 and 103 of FIG.
- FIG. 8 is a schematic diagram showing a possible structure of a network device involved in the above embodiment.
- the network device includes a transmitter/receiver 401, a controller/processor 402, a memory 403, and a communication unit 404.
- the transmitter/receiver 401 is configured to support transmission and reception of information between the network device and the UE in the foregoing embodiment, and to support radio communication between the UE and other UEs.
- the controller/processor 402 performs various functions for communicating with the UE. On the uplink, the uplink signal from the UE is received via the antenna, coordinated by the receiver 401, and further processed by the controller/processor 1402 to recover the traffic data and signaling information transmitted by the UE.
- controller/processor 402 On the downlink, traffic data and signaling messages are processed by controller/processor 402 and transmitted by the transmitter
- the 401 performs mediation to generate a downlink signal and transmits it to the UE via the antenna.
- Controller/processor 402 also performs the processes involved in the network device of FIG. 6 and/or other processes for the techniques described herein.
- the memory 403 is used to store program codes and data of the network device.
- the communication unit 404 is configured to support the network device to communicate with other network entities. For example, it is used to support communication between network devices and other communication network entities shown in FIG. 2, such as MME, SGW and or PGW located in the core network EPC.
- Figure 8 only shows a simplified design of the network device.
- the network device may include any number of transmitters, receivers, processors, controllers, memories, communication units, etc., and all network devices that can implement the present application are within the scope of the present application.
- the controller/processor for performing the above network device and UE functions of the present application may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and a field programmable gate array. (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
- the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
- the steps of a method or algorithm described in connection with the present disclosure may be implemented in a hardware or may be implemented by a processor executing software instructions.
- the software instructions may be comprised of corresponding software modules that may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable hard disk, CD-ROM, or any other form of storage well known in the art.
- An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
- the storage medium can also be an integral part of the processor.
- the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in the user equipment.
- the processor and the storage medium may also reside as discrete components in the user equipment.
- the functions described herein can be implemented in hardware, software, firmware, or any combination thereof.
- the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
- Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
- a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.
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Abstract
Description
Beam号 | 工作时间 |
0 | T1 |
1 | T2 |
2 | T3 |
3 | T3 |
4 | T4 |
5 | T5 |
6 | T6 |
7 | T7 |
Beam号 | 工作时间 |
0 | T1 |
1 | T2 |
2 | T3 |
3 | T4 |
4 | T1 |
5 | T2 |
6 | T3 |
7 | T4 |
Beam号 | 工作时间 | 工作频域 |
0 | T1 | F1 |
1 | T2 | F2 |
2 | T3 | F3 |
3 | T4 | F4 |
4 | T1 | F1 |
5 | T2 | F2 |
6 | T3 | F3 |
7 | T4 | F4 |
Claims (84)
- 一种系统信息接收方法,其特征在于,包括:终端设备确定资源信息,所述终端设备使用一个波束在所述资源信息所指示的资源上进行通信;终端设备根据所述资源信息,在所述资源信息所指示的资源上接收系统信息。
- 根据权利要求1所述的方法,其特征在于,所述资源信息包括以下一种或多种:频域信息、时域信息、码域信息和空域信息。
- 根据权利要求2所述的方法,其特征在于,所述频域信息包括以下一种或多种:频率信息、载波信息、无线资源块信息和子载波信息。
- 根据权利要求2所述的方法,其特征在于,所述时域信息为绝对时间信息;或者,所述时域信息包括周期和偏移量,或者,所述时域信息包括周期,偏移量和持续时间。
- 根据权利要求4所述的方法,其特征在于,所述时域信息以无线帧、子帧、时间符号、和/或传输时间间隔TTI为粒度。
- 根据权利要求1至5中任一项所述的方法,其特征在于,终端设备确定资源信息包括:终端设备获取波束判断信息;终端设备根据所述波束判断信息确定所述资源信息。
- 根据权利要求6所述的方法,其特征在于,终端设备获取波束判断信息,包括:终端设备从网络设备获取所述波束判断信息。
- 根据权利要求6或7所述的方法,其特征在于,波束判断信息包括以下一种或多种:基站的波束总数信息、同时并行出现的波束信息和用于识别波束的信号。
- 根据权利要求8所述的方法,其特征在于,所述用于识别波束的信号包括以下一种或多种:波束的参考信号、波束的发现信号和波束标识。
- 根据权利要求8或9所述的方法,其特征在于,终端设备根据所述波束判断信息确定所述资源信息,包括:当终端设备获取的波束判断信息包括用于识别波束的信号时,终端设备根据用于识别波束的信号与资源信息之间的对应关系,确定所述资源信息。
- 根据权利要求1至5中任一项所述的方法,其特征在于,终端设备确定资源信息包括:终端设备通过波束扫描,确定所述资源信息。
- 根据权利要求1至5中任一项所述的方法,其特征在于,终端设备确定资源信息包括:终端设备根据波束的同步序列所携带的波束信息,确定所述资源信息;或者,终端设备通过遍历掩码,确定所述资源信息,其中,所述掩码为用于识别波束的 信号的掩码或者波束使用资源对应的掩码。
- 根据权利要求1所述的方法,其特征在于,所述资源信息包括波束的发送资源信息和/或系统信息的发送资源信息。
- 根据权利要求13所述的方法,其特征在于,系统信息的发送资源信息包括至少一个第一系统信息块的发送资源信息和至少一个第二系统信息块的发送资源信息。
- 根据权利要求14所述的方法,其特征在于,终端设备根据所述资源信息,在所述资源信息所指示的资源上接收系统信息,包括:终端设备在所述系统信息的发送资源信息所指示的资源和所述波束的发送资源信息所指示的资源的交集资源上接收系统信息;或者,终端设备根据所述波束的发送资源信息,在所述波束的发送资源信息所指示的资源上接收系统信息。
- 根据权利要求15所述的方法,其特征在于,终端设备根据所述波束的发送资源信息,在所述波束的发送资源信息所指示的资源上接收系统信息,包括:终端设备根据所述波束的发送资源信息,按预定义的规则或者网络设备通知的方式,在所述波束的发送资源信息所指示的资源的子集或全集上接收系统信息。
- 根据权利要求16所述的方法,其特征在于,终端设备根据所述波束的发送资源信息,按预定义的规则或者网络设备通知的方式,在所述波束的发送资源信息所指示的资源的子集或全集上接收系统信息,包括:终端设备在一个特定系统信息发送周期内,选择波束的时域资源上第一个可用的资源接收所述第一系统信息块和/或第二系统信息块;或者,终端设备在一个特定系统信息发送周期内,选择波束的时域资源上与预定义的系统信息发送资源最靠近的可用资源接所述第一系统信息块和/或第二系统信息块;或者,终端设备根据网络设备通知的周期和偏移量去接收所述第一系统信息块和/或第二系统信息块;或者,终端设备接收系统信息的周期为系统信息的发送周期和波束的发送周期的最小公倍数。
- 根据权利要求16所述的方法,其特征在于,其特征在于,终端设备根据所述波束的发送资源信息,按预定义的规则或者网络设备通知的方式,在所述波束的发送资源信息所指示的资源的子集或全集上接收系统信息,包括:第一系统信息块和/或第二系统信息块的发送周期和发送子帧固定,终端设备选择在相应时间点有可用资源的波束上读取第一系统信息块和/或第二系统信息块;或者,第一系统消息块和/或第二系统消息块的发送周期和发送子帧根据波束的发送周期和发送子帧配置,终端设备选择波束并在选择的所述波束的对应时间点上读取第一系统信息块和/或第二系统信息块。
- 根据权利要求14至18中任一项所述的方法,其特征在于,所述方法还包括:终端设备根据所述资源信息,确定第三系统信息块的发送资源信息。
- 根据权利要求19所述的方法,其特征在于,终端设备根据所述资源信息,确定第三系统信息块的发送资源信息,包括:终端设备通过将第三系统消息块的发送窗时间和波束的时域信息所指示的波束扫描时间取交集,确定第三系统消息块的发送时间。
- 根据权利要求19所述的方法,其特征在于,终端设备根据所述资源信息,确定第三系统信息块的发送资源信息,包括:终端设备根据公式x=(n-1)*Window Length,确定中间值x,其中,n是SI-n中的n,SI对应第二系统信息块,n是第二系统信息块的顺序号,n大于等于1;Window Length是波束发送周期的整数倍数;终端设备根据公式a=(x+u)mod 10确定SI-n的子帧位置;x+u的取值在((n-1)*Window Length,n*Window Length)范围内;终端设备根据公式SFN mod T1=FLOOR((x+u)/10)确定SI-n的无线帧位置;T1为SI-n的周期。
- 根据权利要求1所述的方法,其特征在于,当终端设备同时接收多个波束时,终端设备根据所述资源信息,在所述资源信息所指示的资源上接收系统信息,包括:终端设备在第N个波束周期,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号;或者,终端设备在每个波束周期中,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:终端设备确定接收系统信息更新指示消息的接收时间;终端设备在确定的所述接收时间上接收系统信息更新指示消息;终端设备根据所述系统信息更新指示消息,重新获取全部或部分所述资源信息。
- 根据权利要求23所述的方法,其特征在于,终端设备确定接收系统信息更新指示消息的接收时间,包括:终端设备确定的接收系统信息更新指示消息的接收时间与波束的发送时间对齐。
- 根据权利要求24所述的方法,其特征在于,终端设备确定系统信息更新指示消息的接收时间与波束的发送时间对齐的方式,包括:终端设备确定系统信息更新指示消息的发送时间位置后,终端设备在对应的时间位置有可用资源的波束上读取系统信息更新指示消息;或者,系统信息更新指示消息的发送时间根据波束的发送周期和发送子帧配置,终端设备在选择的波束的对应时间位置上读取系统信息更新指示消息;或者,终端设备确定系统信息更新指示消息的发送时间位置后,终端设备在更新指示消息的发送时间和波束的发送时间的交集资源上读取系统信息更新指示消息;或者,终端设备接收系统信息更新指示消息的周期为系统信息更新指示消息发送周期和波束发送周期的最小公倍数;终端设备接收系统信息更新指示消息的子帧位置根据波束的发送子帧位置配置。
- 一种系统信息发送方法,其特征在于,包括:网络设备为波束分配资源;网络设备将分配给波束的资源的资源信息提供给终端设备。
- 根据权利要求26所述的方法,其特征在于,所述资源信息包括以下一种或多种:频域信息、时域信息、码域信息和空域信息。
- 根据权利要求27所述的方法,其特征在于,所述频域信息包括以下一种或多种:频率信息、载波信息、无线资源块信息和子载波信息。
- 根据权利要求27所述的方法,其特征在于,所述时域信息为绝对时间信息;或者,所述时域信息包括周期和偏移量。
- 根据权利要求29所述的方法,其特征在于,所述时域信息以无线帧、子帧、时间符号、和/或TTI为粒度。
- 根据权利要求26至30中任一项所述的方法,其特征在于,网络设备向终端设备提供波束判断信息,以使终端设备根据波束判断信息确定所述资源信息;所述波束判断信息包括以下一种或多种:基站的波束总数信息、同时并行出现的波束信息和用于识别波束的信号。
- 根据权利要求31所述的方法,其特征在于,所述用于识别波束的信号包括以下一种或多种:波束的参考信号、波束的发现信号和波束标识。
- 根据权利要求26至30中任一项所述的方法,其特征在于,网络设备将分配给波束的资源的资源信息提供给终端设备,包括:网络设备在同步序列中携带波束信息,以使终端设备根据同步序列中的波束信息确定所述资源信息;或者,网络设备对波束发现信号或信令的掩码提供给终端设备,以使终端设备通过遍历掩码,确定所述资源信息。
- 根据权利要求26所述的方法,其特征在于,所述资源信息包括波束的发送资源信息和/或系统信息的发送资源信息。
- 根据权利要求34所述的方法,其特征在于,系统信息的发送资源信息包括至少一个第一系统信息块的发送资源信息和至少一个第二系统信息块的发送资源信息。
- 根据权利要求35所述的方法,其特征在于,所述方法还包括:网络设备通知终端设备接收系统信息的方式,以使终端设备根据网络设备的通知在波束的发送资源信息所指示的资源的子集或全集上接收系统信息。
- 根据权利要求36所述的方法,其特征在于,网络设备通知终端设备接收系统信息的方式,包括:在一个特定系统信息发送周期内,选择波束的时域资源上第一个可用的资源接收所述第一系统信息块和/或第二系统信息块;或者,在一个特定系统信息发送周期内,选择波束的时域资源上与预定义的系统信息发送资源最靠近的可用资源接所述第一系统信息块和/或第二系统信息块;或者,根据网络设备通知的周期和偏移量去接收所述第一系统信息块和/或第二系统信息块;或者,接收系统信息的周期为系统信息的发送周期和波束使用的资源资源的周期的最小公倍数。
- 根据权利要求36所述的方法,其特征在于,其特征在于,网络设备通知终端设备接收系统信息的方式,包括:第一系统信息块和/或第二系统信息块的发送周期和发送子帧固定,选择在相应时间点有可用资源的波束上读取第一系统信息块和/或第二系统信息块;或者,第一系统消息块和/或第二系统消息块的发送周期和发送子帧根据波束的发送周期和发送子帧配置,选择波束并在选择的所述波束的对应时间点上读取第一系统信息块和/或第二系统信息块。
- 根据权利要求36所述的方法,其特征在于,网络设备通知终端设备接收系统信息的方式,包括:当终端设备同时接收多个波束时,在第N个波束周期,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号;或者,当终端设备同时接收多个波束时,在每个波束周期中,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号。
- 根据权利要求26所述的方法,其特征在于,所述方法还包括:向终端设备发送系统信息更新指示消息。
- 一种终端设备,其特征在于,包括:至少一个处理器,用于确定资源信息,所述终端设备使用一个波束在所述资源信息所指示的资源上进行通信;接收器,用于根据所述资源信息,在所述资源信息所指示的资源上接收系统信息。
- 根据权利要求41所述的终端设备,其特征在于,所述资源信息包括以下一种或多种:频域信息、时域信息、码域信息和空域信息。
- 根据权利要求42所述的终端设备,其特征在于,所述频域信息包括以下一种或多种:频率信息、载波信息、无线资源块信息和子载波信息。
- 根据权利要求42所述的终端设备,其特征在于,所述时域信息为绝对时间信息;或者,所述时域信息包括周期和偏移量,或者,所述时域信息包括周期,偏移量和持续时间。
- 根据权利要求44所述的终端设备,其特征在于,所述时域信息以无线帧、子帧、时间符号、和/或TTI为粒度。
- 根据权利要求41至45中任一项所述的终端设备,其特征在于,所述至少一个处理器确定所述资源信息包括:获取波束判断信息;根据所述波束判断信息确定所述资源信息。
- 根据权利要求46所述的终端设备,其特征在于,所述至少一个处理器通过所述接收器从网络设备获取所述波束判断信息。
- 根据权利要求46或47所述的终端设备,其特征在于,波束判断信息包括以下一种或多种:基站的波束总数信息、同时并行出现的波束信息和用于识别波束的信号。
- 根据权利要求48所述的终端设备,其特征在于,所述用于识别波束的信号包括以下一种或多种:波束的参考信号、波束的发现信号和波束标识。
- 根据权利要求48或49所述的终端设备,其特征在于,所述至少一个处理器,具体用于:当获取的波束判断信息包括用于识别波束的信号时,根据用于识别波束的信号与资源信息之间的对应关系,确定所述资源信息。
- 根据权利要求41至45中任一项所述的终端设备,其特征在于,所述至少一个处理器具体用于:通过波束扫描,确定所述资源信息。
- 根据权利要求41至45中任一项所述的终端设备,其特征在于,所述至少一个处理器具体用于:根据波束的同步序列所携带的波束信息,确定所述资源信息;或者,通过遍历掩码,确定所述资源信息,其中,所述掩码为用于识别波束的信号的掩码或者波束使用资源对应的掩码。
- 根据权利要求41所述的终端设备,其特征在于,所述资源信息包括波束的发送资源信息和/或系统信息的发送资源信息。
- 根据权利要求53所述的终端设备,其特征在于,所述系统信息的发送资源信息包括至少一个第一系统信息块的发送资源信息和至少一个第二系统信息块的发送资源信息。
- 根据权利要求54所述的终端设备,其特征在于,所述至少一个处理器,具体用于:在所述系统信息的发送资源信息所指示的资源和所述波束的发送资源信息所指示的资源的交集资源上接收系统信息;或者,根据所述波束的发送资源信息,在波束的发送资源信息所指示的资源上接收系统信息。
- 根据权利要求55所述的终端设备,其特征在于,所述至少一个处理器,具体用于:根据所述波束的发送资源信息,按预定义的规则或者网络设备通知的方式,在波束的发送资源信息所指示的资源的子集或全集上接收系统信息。
- 根据权利要求56所述的终端设备,其特征在于,所述至少一个处理器具体用于:在一个特定系统信息发送周期内,选择波束的时域资源上第一个可用的资源接收所述第一系统信息块和/或第二系统信息块;或者,在一个特定系统信息发送周期内,选择波束的时域资源上与预定义的系统信息发送资源最靠近的可用资源接所述第一系统信息块和/或第二系统信息块;或者,根据网络设备通知的周期和偏移量去接收所述第一系统信息块和/或第二系统信息块;或者,接收系统信息的周期为系统信息的发送周期和波束的发送周期的最小公倍数。
- 根据权利要求56所述的终端设备,其特征在于,其特征在于,所述至少一个处理器,具体用于:第一系统信息块和/或第二系统信息块的发送周期和发送子帧固定,选择在相应时间点有可用资源的波束上读取第一系统信息块和/或第二系统信息块;或者,第一系统消息块和/或第二系统消息块的发送周期和发送子帧根据波束的发送周期和发送子帧配置,选择波束并在选择的所述波束的对应时间点上读取第一系统信息块和/或第二系统信息块。
- 根据权利要求54至58中任一项所述的终端设备,其特征在于,所述至少一个处理器,还用于:根据所述资源信息,确定第三系统信息块的发送资源信息。
- 根据权利要求59所述的终端设备,其特征在于,所述至少一个处理器,具体用于:通过将第三系统消息块的发送窗时间和波束的时域信息所指示的波束扫描时间取交集,确定第三系统消息块的发送时间。
- 根据权利要求59所述的终端设备,其特征在于,所述至少一个处理器,具体用于:根据公式x=(n-1)*Window Length,确定中间值x,其中,n是SI-n中的n, SI对应第二系统信息块,n是第二系统信息块的顺序号,n大于等于1;Window Length是波束发送周期的整数倍数;根据公式a=(x+u)mod 10确定SI-n的子帧位置;x+u的取值在((n-1)*Window Length,n*Window Length)范围内;根据公式SFN mod T1=FLOOR((x+u)/10)确定SI-n的无线帧位置;T1为SI-n的周期。
- 根据权利要求41所述的终端设备,其特征在于,当所述接收器同时接收多个波束时,所述接收器,具体用于:在第N个波束周期,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号;或者,在每个波束周期中,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号。
- 根据权利要求41所述的终端设备,其特征在于,所述至少一个处理器,还用于:确定接收系统信息更新指示消息的接收时间;所述接收器,还用于在确定的所述接收时间上接收系统信息更新指示消息;根据所述系统信息更新指示消息,重新获取全部或部分所述资源信息。
- 根据权利要求63所述的终端设备,其特征在于,所述至少一个处理器,具体用于:确定的接收系统信息更新指示消息的接收时间与波束的发送时间对齐。
- 根据权利要求64所述的终端设备,其特征在于,所述至少一个处理器,具体用于:确定系统信息更新指示消息的发送时间位置后,在对应的时间位置有可用资源的波束上读取系统信息更新指示消息;或者,系统信息更新指示消息的发送时间根据波束的发送周期和发送子帧配置,在选择的波束的对应时间位置上读取系统信息更新指示消息;或者,确定系统信息更新指示消息的发送时间位置后,在更新指示消息的发送时间和波束的发送时间的交集资源上读取系统信息更新指示消息;或者,接收系统信息更新指示消息的周期为系统信息更新指示消息发送周期和波束发送周期的最小公倍数;接收系统信息更新指示消息的子帧位置根据波束的发送子帧位置配置。
- 一种网络设备,其特征在于,包括:至少一个处理器,用于为波束分配资源;发送器,用于将分配给波束的资源的资源信息提供给终端设备。
- 根据权利要求66所述的网络设备,其特征在于,所述资源信息包括以下一种或多种:频域信息、时域信息、码域信息和空域信息。
- 根据权利要求67所述的网络设备,其特征在于,所述频域信息包括以下一种或多种:频率信息、载波信息、无线资源块信息和子载波信息。
- 根据权利要求67所述的网络设备,其特征在于,所述时域信息为绝对时间信息;或者,所述时域信息包括周期和偏移量;或者,所述时域信息包括周期,偏移量和持续时间。
- 根据权利要求69所述的网络设备,其特征在于,所述时域信息以无线帧、子帧、时间符号、和/或TTI为粒度。
- 根据权利要求66至70中任一项所述的网络设备,其特征在于,所述发送器向终端设备提供波束判断信息,以使终端设备根据波束判断信息确定所述资源信息;所述波束判断信息包括以下一种或多种:基站的波束总数信息、同时并行出现的波束信息和用于识别波束的信号。
- 根据权利要求71所述的网络设备,其特征在于,所述用于识别波束的信号包括以下一种或多种:波束的参考信号、波束的发现信号和波束标识。
- 根据权利要求66至70中任一项所述的网络设备,其特征在于,所述发送器,具体用于:在同步序列中携带波束信息,以使终端设备根据同步序列中的波束信息确定所述资源信息;或者,对波束发现信号或信令的掩码提供给终端设备,以使终端设备通过遍历掩码,确定所述资源信息。
- 根据权利要求66所述的网络设备,其特征在于,所述资源信息包括波束的发送资源信息和/或系统信息的发送资源信息。
- 根据权利要求74所述的网络设备,其特征在于,系统信息的发送资源信息包括至少一个第一系统信息块的发送资源信息和至少一个第二系统信息块的发送资源信息。
- 根据权利要求75所述的网络设备,其特征在于,所述发送器还用于:通知终端设备接收系统信息的方式,以使终端设备根据网络设备的通知在波束的发送资源信息所指示的资源的子集或全集上接收系统信息。
- 根据权利要求76所述的网络设备,其特征在于,所述发送器通知终端设备接收系统信息的方式,包括:在一个特定系统信息发送周期内,选择波束的时域资源上第一个可用的资源接收所述第一系统信息块和/或第二系统信息块;或者,在一个特定系统信息发送周期内,选择波束的时域资源上与预定义的系统信息发送资源最靠近的可用资源接所述第一系统信息块和/或第二系统信息块;或者,根据网络设备通知的周期和偏移量去接收所述第一系统信息块和/或第二系统信息块;或者,接收系统信息的周期为系统信息的发送周期和波束使用的资源资源的周期的最小公倍数。
- 根据权利要求76所述的网络设备,其特征在于,其特征在于,所述发送器通知终端设备接收系统信息的方式,包括:第一系统信息块和/或第二系统信息块的发送周期和发送子帧固定,选择在相应时间点有可用资源的波束上读取第一系统信息块和/或第二系统信息块;或者,第一系统消息块和/或第二系统消息块的发送周期和发送子帧根据波束的发送周期和发送子帧配置,选择波束并在选择的所述波束的对应时间点上读取第一系统信息块和/或第二系统信息块。
- 根据权利要求76所述的网络设备,其特征在于,所述发送器通知终端设备接收系统信息的方式,包括:当终端设备同时接收多个波束时,在第N个波束周期,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号;或者,当终端设备同时接收多个波束时,在每个波束周期中,根据波束N使用的资源信息,读取波束N的系统信息,其中N为终端设备同时接收的多个波束的顺序编号。
- 根据权利要求66所述的网络设备,其特征在于,所述发送器还用于:向终端设备发送系统信息更新指示消息。
- 一种计算机可读存储介质,其特征在于,包括指令,当其在计算机上运行时,使得计算机执行如权利要求1至25中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,包括指令,当其在计算机上运行时,使得计算机执行如权利要求26至40中任一项所述的方法。
- 一种装置,其特征在于,包括:处理器,用于确定资源信息,使终端设备使用一个波束在所述资源信息所指示的资源上进行通信;根据所述资源信息,通过接收器在所述资源信息所指示的资源上接收系统信息。
- 一种装置,其特征在于,包括,处理器用于为波束分配资源;确定将分配给波束的资源的资源信息,所述资源信息被提供给终端设备。
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CN107734663B (zh) | 2023-12-12 |
US20190174477A1 (en) | 2019-06-06 |
CN109922529A (zh) | 2019-06-21 |
EP3490318A1 (en) | 2019-05-29 |
CN109922529B (zh) | 2020-04-28 |
BR112019002780A2 (pt) | 2019-07-09 |
CN107734663A (zh) | 2018-02-23 |
US11284395B2 (en) | 2022-03-22 |
US20220210782A1 (en) | 2022-06-30 |
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