WO2018170892A1 - 用于终端设备接入网络的方法、终端设备和网络设备 - Google Patents

用于终端设备接入网络的方法、终端设备和网络设备 Download PDF

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Publication number
WO2018170892A1
WO2018170892A1 PCT/CN2017/078103 CN2017078103W WO2018170892A1 WO 2018170892 A1 WO2018170892 A1 WO 2018170892A1 CN 2017078103 W CN2017078103 W CN 2017078103W WO 2018170892 A1 WO2018170892 A1 WO 2018170892A1
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WO
WIPO (PCT)
Prior art keywords
network device
network
terminal device
random access
message
Prior art date
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PCT/CN2017/078103
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English (en)
French (fr)
Inventor
张治�
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201780088921.XA priority Critical patent/CN110463282B/zh
Priority to KR1020197027785A priority patent/KR20190131035A/ko
Priority to EP17901975.7A priority patent/EP3606181B1/en
Priority to JP2019551967A priority patent/JP7023977B2/ja
Priority to PCT/CN2017/078103 priority patent/WO2018170892A1/zh
Priority to US16/496,237 priority patent/US11212839B2/en
Publication of WO2018170892A1 publication Critical patent/WO2018170892A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/086—Load balancing or load distribution among access entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Definitions

  • the present application relates to the field of communications, and in particular, to a method, a terminal device, and a network device for a terminal device to access a network.
  • LTE Long Term Evolution
  • RAR Random Access Response
  • the terminal device does not detect the downlink control channel of the non-resident cell. Therefore, even if different base stations corresponding to different cells feed back the RAR information to the terminal device, the terminal device does not detect the terminal device. At present, only the RAR information sent by the base station corresponding to the camping cell is selected, which is not applicable to the 5G (new radio, NR) system.
  • 5G new radio, NR
  • the present application provides a method for a terminal device to access a network, a terminal device, and a network device, which can enable the terminal device to select a network device to access, thereby improving system utilization.
  • the first aspect provides a method for a terminal device to access a network, where the method includes: the terminal device sends a random access preamble; the terminal device receives the indication information sent by the first network device; the terminal device according to the indication information Receiving random access response information sent by at least one network device, where the at least one network device includes the first network device.
  • the terminal device sends a random access preamble to the network device, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the at least one network device.
  • the random access response information is sent, and then the accessed network device is selected in the at least one network device, thereby improving system utilization.
  • the terminal device initiates an access request in the camping cell and sends a random connection to the network device.
  • a preamble PRACH preamble
  • the terminal device may receive the indication information sent by the first network device, where the first network device is a network device corresponding to the camping cell, and the indication information may instruct the terminal to receive the RAR information sent by the at least one network device
  • the at least one network device includes the first network device.
  • the indication information may indicate that the terminal device only receives the RAR information sent by the first network device, and after the PRACH preamble is sent, the terminal device needs to receive the RAR information sent by the first network device in the RAR window that is waiting to receive the RAR information. RAR information sent by other network devices is not detected.
  • the first network device may send the indication information through the cell system broadcast SIB.
  • the indication information is used to indicate that the terminal device receives the random access response information sent by the first network device and the second network device, where the at least one network device includes The second network device, the terminal device receives, according to the indication information, the random access response information that is sent by the at least one network device, where the terminal device receives the random access sent by the first network device and the second network device Response information.
  • the terminal device After the at least one network device includes the first network device and the second network device, after transmitting the PRACH preamble, the terminal device receives the RAR information sent by the first network device in the RAR window, and sends the second network device indicated in the indication information. RAR information until the end of the RAR window.
  • the second network device may be one or more network devices corresponding to the non-resident cell, for example, the non-resident cell may be another non-initiated access cell adjacent to the camping cell.
  • the indication information includes an identifier of the at least one network device.
  • the flag of the at least one network device may be a cell ID list of at least one network device.
  • the identifier of the at least one network device in the indication information may also be a cell ID of the at least one network device and a random access wireless network temporary identifier RA_RNTI.
  • the method further includes: The terminal device determines a target network device in the at least one network device; the terminal device sends a message 3 to the target network device.
  • the random access response information of each network device in the at least one network device includes a timing advance and/or Or the load ratio of the network device
  • the time advance is the uplink wireless signal propagation delay of the terminal device to the network device
  • the terminal device determines the target network device in the at least one network device, including: The terminal device determines the target network device in the at least one network device according to the timing advance and/or the load ratio.
  • the indication information includes a preset rule
  • the terminal device is in the at least one network according to the timing advance and/or the load ratio. Determining the target network device in the device, comprising: determining, by the terminal device, the target network device in the at least one network device according to the preset time rule and/or the load ratio according to the preset rule.
  • the terminal device determines the target network device in the at least one network device according to the timing advance and/or the load ratio, and the preset rule may be preset in the terminal device, or pass the first
  • the network device is configured for the terminal device.
  • the preset rule is that the network device that minimizes the timing advance in the at least one network device is determined as the target network device; or The preset rule determines that the network device that minimizes the load ratio in the at least one network device is the target network device.
  • the target network device may also be jointly determined in combination with the timing advance and the load ratio. For example, one or more network devices having the smallest load ratio are determined among the plurality of network devices, and the network device corresponding to the TA minimum value is determined in the one or more network devices, and the network device is determined as the target network device.
  • the terminal device selects a network device with a small amount of time advancement, it can access a network device that is closer to the terminal device to improve transmission efficiency.
  • the terminal device selects a network device with a small load ratio to access, thereby balancing the network load.
  • the terminal device determines, in the at least one network device, the target network device, including: the terminal device to each of the at least one network device The network device sends a message 3, the message 3 including an identifier of the at least one network device; the terminal device determines that the target network device is a network device that sends the message 4.
  • the terminal device determines the target network device in the at least one network device, including: the terminal device to the at least one network device The network device sends a message 3, which includes the identifier of the part of the network device; the terminal device determines that the target network device is the network device that sends the message 4.
  • the terminal device sends the message 3 to a part of the at least one network device, including: the terminal device is configured according to a preset rule. Determining, in the at least one network device, a third network device, the third network device being one of network devices configured with the same uplink scheduling signaling UL grant for the terminal device; the terminal device to the third network device and other networks The device sends the message 3, and the other network device is a network device of the at least one network device except the network device that configures the same UL grant for the terminal device.
  • a second aspect provides a method for a terminal device to access a network, where the method includes: the first network device receives a random access preamble sent by the terminal device; and the first network device sends the indication information to the terminal device, where The indication information is used to indicate that the terminal device receives the random access response information sent by the at least one network device, where the at least one network device includes the first network device, and the first network device sends the random access preamble to the terminal device according to the random access preamble First random access response information.
  • the terminal device sends a random access preamble to the network device, and the network device sends the indication information to the terminal device, where the indication information indicates that the terminal device receives the at least one network device.
  • the random access response information is sent, so that the terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • the indication information includes an identifier of the at least one network device.
  • the method further includes: receiving, by the first network device, the message 3 sent by the terminal device, where the message 3 includes the at least one network device An identifier of a part or all of the network devices, the part or all of the network devices including the first network device; the first network device, according to the identifier of the part or all of the network devices, and the part or all of the network devices except the first network Other network devices outside the device negotiate to determine the target network device that sends the message 4 to the terminal device.
  • a third aspect provides a method for a terminal device to access a network, where the method includes: the second network device receives a random access preamble sent by the terminal device; and the second network device sends the random access preamble to the The terminal device sends the second random access response information; the second network device receives the message 3 sent by the terminal device, where the message 3 includes the identifiers of the at least two network devices, and the second network device is configured according to the at least two network devices. Identifying, in cooperation with other network devices of the at least two network devices except the second network device, determining a target network that sends the message 4 to the terminal device device.
  • the terminal device sends a random access preamble to the network device, and the network device sends the indication information to the terminal device, where the indication information indicates that the terminal device receives the at least one network device.
  • the random access response information is sent, so that the terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the network device comprises means for performing the method of any of the above-described second or second aspects of the second aspect.
  • a network device for performing the method of any of the foregoing third aspect or any of the possible implementations of the third aspect.
  • the network device comprises means for performing the method of any of the possible implementations of the third aspect or the third aspect described above.
  • a terminal device comprising: a storage unit and a processor, the storage unit is configured to store an instruction, the processor is configured to execute an instruction stored by the memory, and when the processor executes the instruction stored by the memory The execution causes the processor to perform the method of the first aspect or any possible implementation of the first aspect.
  • a network device comprising: a storage unit and a processor, the storage unit is configured to store an instruction, the processor is configured to execute an instruction stored by the memory, and when the processor executes the instruction stored by the memory The execution causes the processor to perform the method of the second aspect or any possible implementation of the second aspect.
  • a network device including: a storage unit and a processor, the storage unit is configured to store an instruction, the processor is configured to execute an instruction stored by the memory, and when the processor executes the instruction stored by the memory, The execution causes the processor to perform the method of any of the possible implementations of the third aspect or the third aspect.
  • a tenth aspect a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a computer readable medium for storing a computer program includes instructions for performing the method of the second aspect or any of the possible implementations of the second aspect.
  • a computer readable medium for storing a computer program comprising instructions for performing the method of any of the third aspect or any of the possible implementations of the third aspect.
  • FIG. 1 is a schematic flowchart of a method for a terminal device to access a network according to an embodiment of the present application.
  • FIG. 2 is another schematic flowchart of a method for a terminal device to access a network according to an embodiment of the present application.
  • FIG. 3 is still another schematic flowchart of a method for a terminal device to access a network according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 6 is another schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 7 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 8 is still another schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 9 is still another schematic block diagram of a network device according to an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • Terminal equipment can also refer to user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user equipment.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • the present application describes various embodiments in connection with a network device.
  • the network device may be a device for communicating with the terminal device, for example, may be a base station (Base Transceiver Station, BTS) in the GSM system or CDMA, or may be a base station (NodeB, NB) in the WCDMA system, or may be An evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a network side device in a future 5G network or a future evolved PLMN network. Network side devices, etc.
  • FIG. 1 is a schematic flowchart of a method 100 for a terminal device to access a network according to an embodiment of the present application.
  • the method 100 may be performed by a terminal device. Specifically, as shown in FIG. 1 , the method 100 includes:
  • the terminal device sends a random access preamble.
  • the terminal device receives the indication information sent by the first network device.
  • the terminal device receives, according to the indication information, random access response information sent by at least one network device, where the at least one network device includes the first network device.
  • the terminal device initiates an access request in the camping cell, and sends a random access preamble (PRACH preamble) to the network device.
  • the terminal device may receive the indication information sent by the first network device, where the indication information may indicate the After the terminal device sends the PRACH preamble request access network in the camping cell, the terminal device detects the random access response RAR information sent by the at least one network device.
  • the indication information may indicate that the terminal device only detects the RAR information of the first network device, where the first network device initiates the camping cell where the PRACH preamble is located, or the indication information may further instruct the terminal device to detect multiple RAR information sent by the network device, the multiple network devices including the first network device and other network devices that receive the PRACH preamble.
  • the terminal device to the network sends a random access preamble, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the random access response information sent by the at least one network device, so that the terminal device can select the at least one network device.
  • the terminal device to the network The device sends a random access preamble, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the random access response information sent by the at least one network device, so that the terminal device can select the at least one network device.
  • the terminal device transmits a PRACH preamble.
  • the PRACH resource may be occupied to send the PRACH preamble to the network device.
  • the network device corresponding to the multiple cells may receive the PRACH preamble when the terminal device sends the PRACH preamble on the PRACH resources that are shared by the multiple cells.
  • the terminal device receives the indication information sent by the first network device, where the indication information is used to indicate that the terminal device receives the RAR information sent by the at least one network device.
  • the first network device may be a network device corresponding to the camping cell, and the first network device may send the indication information by using system information broadcasting (SIB).
  • the indication information may include an identifier of the at least one network device.
  • the first network device may provide a cell ID (Cell ID) list of the at least one network device in the indication information.
  • the indication information may further include a Random Access Temporary Network Tempory Identity (RA_RNTI).
  • RA_RNTI Random Access Temporary Network Tempory Identity
  • the terminal device needs to detect the RAR information transmitted on the physical downlink control channel (PDCCH) through the RA_RNTI, so the terminal device needs to receive the corresponding RAR through the RA_RNTI.
  • Information, and the RA_RNTI is only related to the time-frequency resources used to initiate the PRACH preamble.
  • the indication information may include a cell ID list and an RA_RNTI, that is, the terminal device may jointly determine at least one network device by using the cell ID list and the RA_RNTI.
  • the first network device when the first network device indicates, by using the indication information, that the terminal receives the RAR information of the at least one network device, the first network device may more specifically indicate, on which PRACH resources, the terminal device corresponding to the PRACH preamble needs to be in the RAR window.
  • a response (RAR) from a network device corresponding to the multi-cell is received within the (window).
  • the PRACH resources may be part of the PRACH resource of the cell, and may be specifically indicated by at least one of time, frequency, and code domain resources.
  • the terminal device receives, according to the indication information, random access response information sent by at least one network device, where the at least one network device includes the first network device. Specifically, the terminal device determines, according to the indication information, the at least one network device, where the at least one network device includes the first network device, and further includes the second network device, where the second network device may be one or more corresponding to the non-resident cell.
  • the network device for example, the non-resident cell may be another non-initiated access cell adjacent to the camping cell.
  • the terminal device When the at least one network device includes only the first network device, after transmitting the PRACH preamble, the terminal device needs to receive the RAR information sent by the first network device in the RAR window waiting for receiving the RAR information, and does not detect the RAR sent by the other network device.
  • Information when the at least one network device includes the first network device and the other network device, that is, the second network device, after receiving the PRACH preamble, the terminal device receives the RAR information sent by the first network device in the RAR window, and indicates The RAR information sent by other network devices indicated in the information until the end of the RAR window, wherein the second network device may be one or more network devices.
  • the terminal device when the terminal device receives the RAR information of the multiple network devices according to the indication information, that is, when the number of the at least one network device indicated by the indication information is greater than or equal to two, according to the preset rule, Determining a target network device in the plurality of network devices, the terminal device sends a message 3 (Msg3) to the target network device, and receives a message 4 (Msg4) sent by the target network device, so that the terminal device establishes with the target network device. connection.
  • Msg3 and the Msg4 can multiplex the Msg3 sent by the terminal device when the terminal device accesses the cell in the prior art.
  • the RAR information sent by each of the plurality of network devices may include a timing advance (TA) and/or a load ratio of each of the network devices, where the TA indicates an uplink of the terminal device to the network device.
  • the load ratio can indicate the current busy state of the network device.
  • the terminal device receives RAR information sent by each of the plurality of network devices, and determines the target network device among the plurality of network devices according to the TA in the RAR information and/or the load ratio of the each network device.
  • the preset rule may be determining that the network device that corresponds to the least of the plurality of network devices is the target network device. Then, the terminal device can select a cell access that is closer.
  • the preset rule may determine a network device that minimizes a load ratio among the plurality of network devices as the target network device, thereby balancing the network load.
  • the preset rule may further determine the target network device in the multiple network devices by combining the TA and the load ratio. For example, determining one or more of the load ratios among the plurality of network devices And a network device, where the network device corresponding to the TA minimum value is determined in the one or more network devices, and the network device is determined as the target network device.
  • the terminal device may determine the target network device access in the plurality of network devices corresponding to the received multiple RAR information according to the foregoing preset rule, where the preset rule may be configured for the terminal device in advance, or through the first network device.
  • the preset rule is configured for the terminal device.
  • the indication information sent by the first network device to the terminal device may include the preset rule, and the embodiment of the present application is not limited thereto.
  • the terminal device determines the target network device in the plurality of network devices, and sends an Msg3 to the target network device according to the UL grant (uplink scheduling information) indication included in the RAR information sent by the target network device, thereby completing the terminal.
  • Equipment PRACH process
  • the terminal device when the terminal device receives the RAR information of the multiple network devices according to the indication information, that is, when the number of the at least one network device indicated by the indication information is greater than or equal to two, the terminal device may Some or all of the network devices in the network device send Msg3, and the Msg3 may include an identifier of the part or all of the network devices, so that the part or all of the network devices negotiate to determine the target network device, and the target network device sends the Msg4 to the terminal device, Thereby the terminal device establishes a connection with the target network device.
  • the terminal device may send the Msg3 to a part of the plurality of network devices.
  • the terminal device may be configured in the network device that configures the same UL grant for the terminal device according to a preset rule. Determining a third network device, wherein the preset rule may be determining the third network device according to the TA in the RAR information and/or the load ratio of each of the network devices.
  • the terminal receives the RAR information sent by the four network devices, which are network devices A, B, C, and D, respectively, where the network device B and the network device D are configured with the same UL grant for the terminal device, then the terminal device can The ratio of the TA and/or the load in the RAR information sent by the network device B and the network device D is determined to determine the network device B or the network device D. For example, the TA of the network device B is much smaller than the TA of the network device D, according to the preset.
  • the terminal device determines that the network device B is the third network device, and the terminal device sends the Msg3 to the network devices A, B, and C, where the Msg3 includes the network devices A, B, and C, so that the network devices A, B, and C negotiate Determining the target network device, for example, determining that the network device C is the target network device, then the network device C sends the Msg4 to the terminal device, so that the terminal device accesses the network device C.
  • the terminal device may send the Msg3 to all the network devices in the multiple network devices. If there is no network device configured with the same UL grant for the terminal device, the terminal device sends the Msg3 to each of the network devices, where the Msg3 includes the identifiers of all the network devices, and the entire network The device negotiates to determine the target network device, and the target network device sends the Msg4 to the terminal device, so that the terminal device accesses the cell of the target network device.
  • the terminal device sends a random access preamble to the network device, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the at least one network device.
  • the random access response information is sent, so that the terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • FIG. 2 is a schematic flowchart of a method 200 for a terminal device to access a network according to an embodiment of the present application.
  • the method 200 may be performed by a network device. Specifically, as shown in FIG. 2, the method 200 includes:
  • the first network device receives a random access preamble sent by the terminal device.
  • the first network device sends the indication information to the terminal device, where the indication information is used to indicate that the terminal device receives the random access response information sent by the at least one network device, where the at least one network device includes the first network device;
  • the first network device sends the first random access response information to the terminal device according to the random access preamble.
  • the indication information includes an identifier of the at least one network device.
  • the method further includes: receiving, by the first network device, the message 3 sent by the terminal device, where the message 3 includes an identifier of some or all of the network devices in the at least one network device, where the part or all of the network devices include the first a network device; the first network device determines, according to the identifier of the part or all of the network devices, a target network that sends a message 4 to the terminal device by negotiating with other network devices in the part or all of the network devices except the first network device. device.
  • first network device in the embodiment of the present application corresponds to the first network device in the method 100, and may be corresponding to the method in the first network device in the method 100, and details are not described herein again.
  • the terminal device sends a random access preamble to the network device, and the network device sends the indication information to the terminal device, where the indication information indicates that the terminal device receives the at least one network device.
  • Send random access response information making the end The end device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • FIG. 3 is a schematic flowchart of a method 200 for a terminal device to access a network according to an embodiment of the present application.
  • the method 300 may be performed by a network device. Specifically, as shown in FIG. 3, the method 300 includes:
  • the second network device receives a random access preamble sent by the terminal device.
  • the second network device sends second random access response information to the terminal device according to the random access preamble.
  • the second network device receives the message 3 sent by the terminal device, where the message 3 includes an identifier of at least two network devices;
  • the second network device determines, according to the identifiers of the at least two network devices, a target network device that sends a message 4 to the terminal device by negotiating with other network devices of the at least two network devices except the second network device.
  • the second network device in the embodiment of the present application corresponds to the second network device in the method 100, and may be corresponding to the method for performing the second network device in the method 200, and details are not described herein again.
  • the terminal device sends a random access preamble to the network device, and the network device sends the indication information to the terminal device, where the indication information indicates that the terminal device receives the at least one network device.
  • the random access response information is sent, so that the terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the terminal device 400 includes:
  • the sending unit 410 is configured to send a random access preamble
  • the receiving unit 420 is configured to receive indication information sent by the first network device.
  • the receiving unit 420 is further configured to: receive, according to the indication information, random access response information sent by at least one network device, where the at least one network device includes the first network device.
  • the terminal device in the embodiment of the present application sends a random access preamble to the network device, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the random access response information sent by the at least one network device, so that The terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • the indication information is used to indicate that the terminal device receives the random access response information sent by the first network device and the second network device, where the at least one network device includes the second network device, and the receiving unit 420 further uses And receiving: random access response information sent by the first network device and the second network device.
  • the indication information includes an identifier of the at least one network device.
  • the terminal device further includes: a determining unit 430, configured to determine, in the at least one network device, the target network after the receiving unit 420 receives the random access response information sent by the at least one network device according to the indication information.
  • the sending unit 430 is further configured to: send a message 3 to the target network device.
  • the random access response information of each of the at least one network device includes a timing advance and/or a load ratio of each network device, where the timing advance is the terminal device to each network device
  • the determining unit 430 is further configured to determine the target network device in the at least one network device according to the timing advance and/or the load ratio.
  • the indication information includes a preset rule
  • the determining unit 430 is further configured to: determine, according to the preset rule, the target network device in the at least one network device according to the timing advance and/or the load ratio. .
  • the preset rule is that the network device that minimizes the timing advance in the at least one network device is determined as the target network device; or the preset rule is a network that minimizes a load ratio in the at least one network device. The device is determined to be the target network device.
  • the sending unit 410 is further configured to: send a message 3 to some or all of the at least one network device, where the message 3 includes an identifier of the part or all of the network devices; the determining unit 430 is further configured to: determine The network device that sent the message 4 is the target network device.
  • the determining unit 430 is further configured to: determine, according to a preset rule, a third network device in the at least one network device, where the third network device configures the same uplink scheduling signaling UL grant for the terminal device One of the network devices; the sending unit 410 is further configured to: send the message 3 to the third network device and other network devices, where the other network device is the at least one network A network device other than the network device configured with the same UL grant for the terminal device.
  • terminal device 400 may correspond to the method 100 in the embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 400 are respectively implemented in FIG. The corresponding process of the method is not repeated here for the sake of brevity.
  • the terminal device in the embodiment of the present application sends a random access preamble to the network device, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the random access response information sent by the at least one network device, so that The terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • the network device 500 includes:
  • the receiving unit 510 is configured to receive a random access preamble sent by the terminal device.
  • the sending unit 520 is configured to send the indication information to the terminal device, where the indication information is used to indicate that the terminal device receives the random access response information sent by the at least one network device, where the at least one network device includes the network device;
  • the sending unit 520 is further configured to: send the first random access response information to the terminal device according to the random access preamble.
  • the network device of the embodiment of the present application for the random access preamble sent by the terminal device to the network device, the network device, by sending the indication information to the terminal device, instructing the terminal device to receive the random access response information sent by the at least one network device,
  • the terminal device can select the network device to be accessed in the at least one network device, thereby improving the utilization of the system.
  • the indication information includes an identifier of the at least one network device.
  • the receiving unit 510 is further configured to: receive the message 3 sent by the terminal device, where the message 3 includes an identifier of some or all of the network devices in the at least one network device, where the part or all of the network devices include the network device; Determining, according to the identifier of the part or all of the network devices, a target network device that sends a message 4 to the terminal device in consultation with other network devices except the network device.
  • the network device 500 may correspond to the method 200 in the embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the network device 500 are respectively implemented in FIG. The corresponding process of the method is not repeated here for the sake of brevity.
  • the network device of the embodiment of the present application for the random access preamble sent by the terminal device to the network device, the network device, by sending the indication information to the terminal device, instructing the terminal device to receive the random access response information sent by the at least one network device, Making the terminal device available in the at least one The network device selected in the network device is used to improve the utilization of the system.
  • the network device 600 includes:
  • the receiving unit 610 is configured to receive a random access preamble sent by the terminal device.
  • the sending unit 620 is configured to send second random access response information to the terminal device according to the random access preamble;
  • the receiving unit 610 is further configured to: receive a message 3 sent by the terminal device, where the message 3 includes an identifier of at least two network devices;
  • the determining unit 630 is configured to determine, according to the identifiers of the at least two network devices, a target network device that sends a message 4 to the terminal device in negotiation with other network devices except the network device.
  • the network device 600 may correspond to the method 300 in the embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the network device 600 are respectively implemented in FIG. The corresponding process of the method is not repeated here for the sake of brevity.
  • the network device in the embodiment of the present application may receive the random access preamble sent by the terminal device, and the terminal device receives the random access response information sent by the at least one network device that includes the network device according to the received indication information, where the at least A network device negotiates to determine the network device accessed by the terminal, thereby improving system utilization.
  • FIG. 7 shows a schematic block diagram of a terminal device 700 according to an embodiment of the present application.
  • the terminal device 700 includes a processor 710 and a transceiver 720.
  • the processor 710 is connected to the transceiver 720, and is optional.
  • the terminal device 700 also includes a memory 730 that is coupled to the processor 710.
  • the processor 710, the memory 730 and the transceiver 720 communicate with each other through an internal connection path, and the memory 730 can be used to store instructions.
  • the processor 710 is configured to execute the memory 730 for storing the control and/or data signals.
  • the command is used to control the transceiver 720 to send information or signals, the transceiver 720 is configured to send a random access preamble, receive the indication information sent by the first network device, and receive the random access response information sent by the at least one network device according to the indication information.
  • the at least one network device includes the first network device.
  • the terminal device in the embodiment of the present application sends a random access preamble to the network device, and receives the indication information sent by the network device, where the indication information indicates that the terminal device receives the random access response information sent by the at least one network device, so that The terminal device can select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • the indication information is used to indicate that the terminal device receives the first network device and the second network
  • the indication information includes an identifier of the at least one network device.
  • the processor 710 is further configured to: after the transceiver 720 receives the random access response information sent by the at least one network device according to the indication information, determine the target network device in the at least one network device; The 720 is further configured to: send a message 3 to the target network device.
  • the random access response information of each of the at least one network device includes a timing advance and/or a load ratio of each network device, where the timing advance is the terminal device to each network device.
  • the uplink wireless signal propagation delay is further used by the processor 710 to determine the target network device in the at least one network device according to the timing advance and/or the load ratio.
  • the indication information includes a preset rule
  • the processor 710 is further configured to: determine, according to the preset rule, the target network device in the at least one network device according to the timing advance and/or the load ratio. .
  • the preset rule is that the network device that minimizes the timing advance in the at least one network device is determined as the target network device; or the preset rule is a network that minimizes a load ratio in the at least one network device. The device is determined to be the target network device.
  • the transceiver 720 is further configured to: send a message 3 to some or all of the at least one network device, where the message 3 includes an identifier of the part or all of the network devices; the processor 710 is further configured to: determine The network device that sent the message 4 is the target network device.
  • the processor 710 is further configured to: determine, according to a preset rule, a third network device in the at least one network device, where the third network device is configured to configure the same uplink scheduling signaling UL grant for the terminal device.
  • the transceiver 720 is further configured to: send the message 3 to the third network device and other network devices, where the other network device is configured to be the same UL of the at least one network device The network device outside the grant network device.
  • the terminal device 700 may correspond to the terminal device 400 in the embodiment of the present application, and may correspond to executing the corresponding body in the method 100 according to the embodiment of the present application, and each of the terminal devices 700
  • the above-mentioned and other operations and/or functions of the modules are respectively implemented in order to implement the corresponding processes of the initiating devices in the respective methods in FIG. 1.
  • no further details are provided herein.
  • the terminal device in the embodiment of the present application sends a random access preamble to the network device, and receives indication information sent by the network device, where the indication information indicates that the terminal device receives at least one
  • the random access response information sent by the network device enables the terminal device to select the accessed network device among the at least one network device, thereby improving the utilization of the system.
  • FIG. 8 shows a schematic block diagram of a network device 800 according to an embodiment of the present application.
  • the network device 800 includes a processor 810 and a transceiver 820.
  • the processor 810 is connected to the transceiver 820.
  • the network device 800 also includes a memory 830 that is coupled to the processor 810.
  • the processor 810, the memory 830, and the transceiver 820 communicate with each other through an internal connection path, and the control and/or data signals are transmitted.
  • the memory 830 can be used to store instructions, and the processor 810 is configured to execute the storage of the memory 830.
  • An instruction to control the transceiver 820 to send information or a signal is configured to: receive a random access preamble sent by the terminal device, and send the indication information to the terminal device, where the indication information is used to indicate that the terminal device receives the at least one network.
  • the random access response information sent by the device, the at least one network device includes the network device, and the first random access response information is sent to the terminal device according to the random access preamble.
  • the network device of the embodiment of the present application for the random access preamble sent by the terminal device to the network device, the network device, by sending the indication information to the terminal device, instructing the terminal device to receive the random access response information sent by the at least one network device,
  • the terminal device can select the network device to be accessed in the at least one network device, thereby improving the utilization of the system.
  • the indication information includes an identifier of the at least one network device.
  • the transceiver 820 is further configured to: receive the message 3 sent by the terminal device, where the message 3 includes an identifier of some or all of the network devices in the at least one network device, where the part or all of the network devices include the network device; Determining, according to the identifier of the part or all of the network devices, a target network device that sends a message 4 to the terminal device in consultation with other network devices except the network device.
  • the network device 800 may correspond to the network device 500 in the embodiment of the present application, and may correspond to the corresponding body in the method 200 according to the embodiment of the present application, and each of the network devices 800
  • the foregoing and other operations and/or functions of the modules are respectively implemented in order to implement the corresponding processes of the initiating devices in the respective methods in FIG. 2, and are not described herein again for brevity.
  • the network device of the embodiment of the present application for the random access preamble sent by the terminal device to the network device, the network device, by sending the indication information to the terminal device, instructing the terminal device to receive the random access response information sent by the at least one network device,
  • the terminal device can select the network device to be accessed in the at least one network device, thereby improving the utilization of the system.
  • FIG. 9 shows a schematic block diagram of a network device 900 according to an embodiment of the present application, as shown in FIG.
  • the network device 900 includes a processor 910 and a transceiver 920.
  • the processor 910 is connected to the transceiver 920.
  • the network device 900 further includes a memory 930.
  • the memory 930 is connected to the processor 910.
  • the processor 910, the memory 930, and the transceiver 920 communicate with each other through an internal connection path, and the memory 930 can be used to store instructions.
  • the processor 910 is configured to execute the memory 930 for storing the control and/or data signals.
  • An instruction to control the transceiver 920 to send information or a signal the transceiver 920 is configured to: receive a random access preamble sent by the terminal device; send second random access response information to the terminal device according to the random access preamble; and receive a message 3 sent by the terminal device, the message 3 includes an identifier of at least two network devices, and the processor 910 is configured to: according to the identifiers of the at least two network devices, and the network device other than the at least two network devices The other network device negotiates to determine the target network device that sent the message 4 to the terminal device.
  • the network device 900 may correspond to the network device 600 in the embodiment of the present application, and may correspond to the corresponding body in the method 300 according to the embodiment of the present application, and each of the network devices 900
  • the above-mentioned and other operations and/or functions of the modules are respectively implemented in order to implement the corresponding processes of the initiating devices in the respective methods in FIG. 3, and are not described herein again for brevity.
  • the network device in the embodiment of the present application may receive the random access preamble sent by the terminal device, and the terminal device receives the random access response information sent by the at least one network device that includes the network device according to the received indication information, where the at least A network device negotiates to determine the network device accessed by the terminal, thereby improving system utilization.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the 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 the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module 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,
  • the processor reads the information in the memory and combines its hardware to complete the steps of the above method.
  • the memory in the embodiments of the present application 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 (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate SDRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Connection Dynamic Random Access Memory
  • DR RAM direct memory bus random access memory
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division, and may be implemented in actual implementation.
  • multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed.
  • 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 purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application 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 functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请实施例涉及用于终端设备接入网络的方法、终端设备和网络设备。该方法包括终端设备发送随机接入前导；该终端设备接收第一网络设备发送的指示信息；该终端设备根据该指示信息，接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备。本申请实施例的用于终端设备接入网络的方法、终端设备和网络设备，终端设备向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，进而在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。

Description

用于终端设备接入网络的方法、终端设备和网络设备 技术领域
本申请涉及通信领域，尤其涉及用于终端设备接入网络的方法、终端设备和网络设备。
背景技术
在长期演进(Long Term Evolution，LTE)系统中，当处于空闲态下的终端设备向驻留小区内的基站发起初始接入网络请求时，其相邻的几个小区也可能同时收到该终端设备发射的物理随机接入信道(Physical Random Access Channel，PRACH)前导(preamble)，譬如，此时终端设备位于几个小区的边缘区域。如果收到PRACH preamble的小区，恰好也在相同的时频资源上配置了PRACH资源(resource)的话，这些小区均可以向终端设备回复随机接入响应(Random Access Response，RAR)信息。
但是，在LTE中，终端设备是不会检测非驻留小区的下行控制信道的，因此，即使不同的小区对应的不同基站向终端设备反馈了RAR信息，终端设备并不会进行检测，终端设备目前只选择接收驻留小区对应的基站发送的RAR信息，不能适用于5G(new radio，NR)系统中。
发明内容
本申请提供了一种用于终端设备接入网络的方法、终端设备和网络设备，能够使得终端设备可以选择接入的网络设备，提高系统利用率。
第一方面，提供了一种用于终端设备接入网络的方法，该方法包括：终端设备发送随机接入前导；该终端设备接收第一网络设备发送的指示信息；该终端设备根据该指示信息，接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，进而在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
应理解，终端设备在驻留小区内发起接入请求，向网络设备发送随机接 入前导(PRACH preamble)；该终端设备可以接收第一网络设备发送的指示信息，该第一网络设备为驻留小区对应的网络设备，该指示信息可以指示终端接收至少一个网络设备发送的RAR信息，该至少一个网络设备包括该第一网络设备。
可选地，该指示信息可以指示终端设备只接收第一网络设备发送的RAR信息，则终端设备在发送PRACH preamble后，需要在等待接收RAR信息的RAR window接收第一网络设备发送的RAR信息，而不检测其他网络设备发送的RAR信息。
应理解，该第一网络设备可以通过小区系统广播SIB发送该指示信息。
结合第一方面，在第一方面的一种实现方式中，该指示信息用于指示该终端设备接收该第一网络设备和第二网络设备发送的随机接入响应信息，该至少一个网络设备包括该第二网络设备，该终端设备根据该指示信息，接收至少一个网络设备导发送的随机接入响应信息，包括：该终端设备接收该第一网络设备和该第二网络设备发送的随机接入响应信息。
当该至少一个网络设备包括第一网络设备和第二网络设备时，终端设备在发送PRACH preamble后，在RAR window接收第一网络设备发送的RAR信息，以及指示信息中指示的第二网络设备发送的RAR信息，直至RAR window结束。该第二网络设备可以为非驻留小区对应的一个或多个网络设备，例如，该非驻留小区可以为与驻留小区相邻的其他非发起接入的小区。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该指示信息包括该至少一个网络设备的标识。
应理解，该至少一个网络设备的标志可以为至少一个网络设备的小区识别码(cell ID)列表。
可选地，该指示信息中的至少一个网络设备的标识还可以为该至少一个网络设备的cell ID以及随机接入无线网络临时标识RA_RNTI。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在该终端设备根据该指示信息，接收至少一个网络设备发送的随机接入响应信息之后，该方法还包括：该终端设备在该至少一个网络设备中确定目标网络设备；该终端设备向该目标网络设备发送消息3。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该至少一个网络设备中每个网络设备的随机接入响应信息包括时间提前量和/ 或该每个网络设备的负载比率，该时间提前量为该终端设备到该每个网络设备的上行无线信号传播时延，该终端设备在该至少一个网络设备中确定目标网络设备，包括：该终端设备根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该指示信息包括预设规则，该终端设备根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备，包括：该终端设备按照该预设规则，根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备。
应理解，终端设备按照预设规则，根据时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备，该预设规则可以预先设置在终端设备中，或者通过第一网络设备为该终端设备配置。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该预设规则为将该至少一个网络设备中时间提前量最小对应的网络设备确定为该目标网络设备；或，该预设规则为将该至少一个网络设备中负载比率最小的网络设备确定为该目标网络设备。
可选地，还可以结合时间提前量和负载比率共同确定目标网络设备。例如，在多个网络设备中确定负载比率最小的一个或多个网络设备，在该一个或多个网络设备中确定TA最小值对应的网络设备，将该网络设备确定为目标网络设备。
终端设备选择时间提前量较小的网络设备接入，则可以接入距离终端设备较近的网络设备，提高传输效率；终端设备选择负载比率小的网络设备接入，从而平衡网络负载。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该终端设备在该至少一个网络设备中确定目标网络设备，包括：该终端设备向该至少一个网络设备中每个网络设备发送消息3，该消息3包括该至少一个网络设备的标识；该终端设备确定该目标网络设备为发送消息4的网络设备。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该终端设备在该至少一个网络设备中确定目标网络设备，包括：该终端设备向该至少一个网络设备中部分网络设备发送消息3，该消息3包括该部分网络设备的标识；该终端设备确定该目标网络设备为发送消息4的网络设备。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该终端设备向该至少一个网络设备中部分网络设备发送消息3，包括：该终端设备根据预设规则，在该至少一个网络设备中确定第三网络设备，该第三网络设备为为该终端设备配置相同的上行调度信令UL grant的网络设备中的一个；该终端设备向该第三网络设备以及其他网络设备发送该消息3，该其他网络设备为该至少一个网络设备中除该为该终端设备配置相同的UL grant的网络设备外的网络设备。
第二方面，提供了一种用于终端设备接入网络的方法，该方法包括：第一网络设备接收终端设备发送的随机接入前导；该第一网络设备向该终端设备发送指示信息，该指示信息用于指示该终端设备接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备；该第一网络设备根据该随机接入前导，向该终端设备发送第一随机接入响应信息。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络设备发送随机接入前导，网络设备向终端设备发送指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
结合第二方面，在第二方面的一种实现方式中，该指示信息包括该至少一个网络设备的标识。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，该方法还包括：该第一网络设备接收该终端设备发送的消息3，该消息3包括该至少一个网络设备中部分或全部网络设备的标识，该部分或全部网络设备包括该第一网络设备；该第一网络设备根据该部分或全部网络设备的标识，与该部分或全部网络设备中除该第一网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
第三方面，提供了一种用于终端设备接入网络的方法，该方法包括：第二网络设备接收终端设备发送的随机接入前导；该第二网络设备根据该随机接入前导，向该终端设备发送第二随机接入响应信息；该第二网络设备接收该终端设备发送的消息3，该消息3包括至少两个网络设备的标识；该第二网络设备根据该至少两个网络设备的标识，与该至少两个网络设备中除该第二网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络 设备。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络设备发送随机接入前导，网络设备向终端设备发送指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
第四方面，提供了一种终端设备，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第五方面，提供了一种网络设备，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该网络设备包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第六方面，提供了一种网络设备，用于执行上述第三方面或第三方面的任意可能的实现方式中的方法。具体地，该网络设备包括用于执行上述第三方面或第三方面的任意可能的实现方式中的方法的单元。
第七方面，提供了一种终端设备，包括：存储单元和处理器，该存储单元用于存储指令，该处理器用于执行该存储器存储的指令，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第一方面或第一方面的任意可能的实现方式中的方法。
第八方面，提供了一种网络设备，包括：存储单元和处理器，该存储单元用于存储指令，该处理器用于执行该存储器存储的指令，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第二方面或第二方面的任意可能的实现方式中的方法。
第九方面，提供了一种网络设备包括：存储单元和处理器，该存储单元用于存储指令，该处理器用于执行该存储器存储的指令，并且当该处理器执行该存储器存储的指令时，该执行使得该处理器执行第三方面或第三方面的任意可能的实现方式中的方法。
第十方面，提供了一种计算机可读介质，用于存储计算机程序，该计算机程序包括用于执行第一方面或第一方面的任意可能的实现方式中的方法的指令。
第十一方面，提供了一种计算机可读介质，用于存储计算机程序，该计 算机程序包括用于执行第二方面或第二方面的任意可能的实现方式中的方法的指令。
第十二方面，提供了一种计算机可读介质，用于存储计算机程序，该计算机程序包括用于执行第三方面或第三方面的任意可能的实现方式中的方法的指令。
附图说明
图1是根据本申请实施例的用于终端设备接入网络的方法的示意性流程图。
图2是根据本申请实施例的用于终端设备接入网络的方法的另一示意性流程图。
图3是根据本申请实施例的用于终端设备接入网络的方法的再一示意性流程图。
图4是根据本申请实施例的终端设备的示意性框图。
图5是根据本申请实施例的网络设备的示意性框图。
图6是根据本申请实施例的网络设备的另一示意性框图。
图7是根据本申请实施例的终端设备的另一示意性框图。
图8是根据本申请实施例的网络设备的再一示意性框图。
图9是根据本申请实施例的网络设备的再一示意性框图。
具体实施方式
下面将结合附图，对本申请实施例中的技术方案进行描述。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile Communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、以及未来的5G通信系统等。
本申请结合终端设备描述了各个实施例。终端设备也可以指用户设备 (User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的PLMN网络中的终端设备等。
本申请结合网络设备描述了各个实施例。网络设备可以是用于与终端设备进行通信的设备，例如，可以是GSM系统或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络侧设备或未来演进的PLMN网络中的网络侧设备等。
图1示出了根据本申请实施例的用于终端设备接入网络的方法100的示意性流程图，该方法100可以由终端设备执行，具体地，如图1所示，该方法100包括：
S110，终端设备发送随机接入前导；
S120，该终端设备接收第一网络设备发送的指示信息；
S130，该终端设备根据该指示信息，接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备。
具体地，应理解，终端设备在驻留小区内发起接入请求，向网络设备发送随机接入前导(PRACH preamble)；终端设备可以接收第一网络设备发送的指示信息，该指示信息可以指示该终端设备在驻留小区内发送PRACH preamble请求接入网络后，检测至少一个网络设备发送的随机接入响应RAR信息。例如，该指示信息可以指示终端设备只检测第一网络设备的RAR信息，该第一网络设备为该终端设备发起PRACH preamble所在的驻留小区；或者，该指示信息还可以指示终端设备检测多个网络设备发送的RAR信息，该多个网络设备包括第一网络设备以及其他收到PRACH preamble的网络设备。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络 设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
在S110中，终端设备发送PRACH preamble。当处于空闲态的终端设备在驻留小区内发起初始接入请求时，可以占用PRACH资源向网络设备发送PRACH preamble。由于不同的小区可以具有不同的PRACH资源，当终端设备在多个小区共享的PRACH资源上发送PRACH preamble时，该多个小区对应的网络设备可以接收到该PRACH preamble。
在S120中，该终端设备接收第一网络设备发送的指示信息，该指示信息用于指示该终端设备接收至少一个网络设备发送的RAR信息。具体的，该第一网络设备可以为驻留小区对应的网络设备，该第一网络设备可以通过小区系统广播(system information broadcasting，SIB)发送该指示信息。
应理解，该指示信息可以包括该至少一个网设备的标识。具体的，第一网络设备可以在指示信息中提供至少一个网络设备的小区识别码(cell ID)列表。
可选地，该指示信息还可以包括随机接入无线网络临时标识(Random Access_Radio Network Tempory Identity，RA_RNTI)。由于在现有技术中，在随机接入过程中，终端设备需要通过RA_RNTI检测在物理下行控制信道(Physical Downlink Control Channel，PDCCH)上传输的RAR信息，所以终端设备需要通过RA_RNTI接收到对应的RAR信息，且RA_RNTI只与发起PRACH preamble所用的时频资源有关。但在本申请实施例中，该指示信息可以包括cell ID列表以及RA_RNTI，即终端设备可以通过cell ID列表以及RA_RNTI共同确定至少一个网络设备。
应理解，由于只有在各个小区共享的PRACH资源上发送的PRACH preamble才能被多小区对应的网络设备收到。因此，第一网络设备通过指示信息，指示终端接收至少一个网络设备的RAR信息时，该第一网络设备可以更具体的指示在哪些PRACH资源上发送的PRACH preamble对应的终端设备才需要在RAR窗口(window)内接收来自多小区对应的网络设备的回应(RAR)。这些PRACH资源可以是该小区PRACH资源的一部分，具体可以通过时间、频率和码域资源中的至少一个进行指示。
在S130中，该终端设备根据该指示信息，接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备。具体地，终端设备根据指示信息确定至少一个网络设备，该至少一个网络设备包括第一网络设备，还可以包括第二网络设备，该第二网络设备可以为非驻留小区对应的一个或多个网络设备，例如，该非驻留小区可以为与驻留小区相邻的其他非发起接入的小区。
当该至少一个网络设备仅包括第一网络设备时，终端设备在发送PRACH preamble后，需要在等待接收RAR信息的RAR window接收第一网络设备发送的RAR信息，而不检测其他网络设备发送的RAR信息；当该至少一个网络设备包括第一网络设备和其他网络设备时，即还包括第二网络设备，终端设备在发送PRACH preamble后，在RAR window接收第一网络设备发送的RAR信息，以及指示信息中指示的其他网络设备发送的RAR信息，直至RAR window结束，其中，该第二网络设备可以为一个或多个网络设备。
在本申请实施例中，当终端设备根据指示信息，接收到多个网络设备的RAR信息时，即指示信息指示的至少一个网络设备的个数大于或者等于二时，可以根据预设规则，在该多个网络设备中确定目标网络设备，终端设备向该目标网络设备发送消息3(Msg3)，并接收该目标网络设备发送的消息4(Msg4)，以便于该终端设备与该目标网络设备建立连接。其中，该Msg3和Msg4可以复用现有技术中，终端设备接入小区时发送的Msg3。
具体地，多个网络设备中每个网络设备发送的RAR信息可以包括时间提前量(timing advance，TA)和/或该每个网络设备的负载比率，其中，TA表示终端设备到网络设备的上行信号传播时延，负载比率可以表示网络设备当前忙闲状态。终端设备接收多个网络设备中每个发送的RAR信息，根据该RAR信息中的TA和/或该每个网络设备的负载比率，在多个网络设备中确定目标网络设备。
可选地，该预设规则可以为将多个网络设备中TA最小对应的网络设备确定为目标网络设备。则终端设备可以选择距离较近的小区接入。
可选地，该预设规则可以为将多个网络设备中负载比率最小的网络设备确定为目标网络设备，从而平衡网络负载。
可选地，该预设规则还可以为结合TA与负载比率，在多个网络设备中确定目标网络设备。例如，在多个网络设备中确定负载比率最小的一个或多 个网络设备，在该一个或多个网络设备中确定TA最小值对应的网络设备，将该网络设备确定为目标网络设备。
应理解，终端设备可以根据上述预设规则，在接收的多个RAR信息对应的多个网络设备中确定目标网络设备接入，该预设规则可以预先为终端设备配置，或者通过第一网络设备为该终端设备配置该预设规则，例如，该第一网络设备向该终端设备发送的指示信息可以包括该预设规则，本申请实施例并不限于此。
应理解，该终端设备在该多个网络设备中确定目标网络设备，根据该目标网络设备发送的RAR信息中包含的UL grant(上行调度信息)指示，向该目标网络设备发送Msg3，进而完成终端设备PRACH流程。
在本申请实施例中，当终端设备根据指示信息，接收到多个网络设备的RAR信息时，即指示信息指示的至少一个网络设备的个数大于或者等于二时，终端设备可以向该多个网络设备中的部分或全部网络设备发送Msg3，该Msg3可以包括该部分或全部网络设备的标识，以便于该部分或全部网络设备协商确定目标网络设备，该目标网络设备向该终端设备发送Msg4，从而使得该终端设备与该目标网络设备建立连接。
可选地，终端设备可以向该多个网络设备中部分网络设备发送Msg3。具体地，当该多个网络设备中包括为终端设备配置相同的上行调度信令UL grant的网络设备时，终端设备可以根据预设规则，在这些为终端设备配置相同的UL grant的网络设备中确定一个第三网络设备，其中，该预设规则可以为根据该RAR信息中的TA和/或该每个网络设备的负载比率，确定第三网络设备。
例如，终端接收到四个网络设备发送的RAR信息，分别为网络设备A、B、C和D，其中，网络设备B和网络设备D为终端设备配置了相同的UL grant，则该终端设备可以根本该网络设备B和网络设备D发送的RAR信息中TA和/或负载比率，确定出网络设备B或网络设备D，例如，网络设备B的TA远远小于网络设备D的TA，根据预设规则，终端设备确定网络设备B为第三网络设备，则终端设备向网络设备A、B和C发送Msg3，其中，该Msg3包括网络设备A、B和C，使得网络设备A、B和C协商确定目标网络设备，例如，确定网络设备C为目标网络设备，则网络设备C向终端设备发送Msg4，以便于终端设备接入该网络设备C。
可选地，终端设备可以向该多个网络设备中全部网络设备发送Msg3。若该全部网络设备中不存在为终端设备配置了相同的UL grant的网络设备时，终端设备向全部网络设备中每个网络设备发送Msg3，该Msg3中包括该全部网络设备的标识，该全部网络设备协商确定目标网络设备，该目标网络设备向终端设备发送Msg4，以便于该终端设备接入该目标网络设备的小区。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
图2示出了根据本申请实施例的用于终端设备接入网络的方法200的示意性流程图，该方法200可以由网络设备执行，具体地，如图2所示，该方法200包括：
S210，第一网络设备接收终端设备发送的随机接入前导；
S220，该第一网络设备向该终端设备发送指示信息，该指示信息用于指示该终端设备接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备；
S230，该第一网络设备根据该随机接入前导，向该终端设备发送第一随机接入响应信息。
可选地，该指示信息包括该至少一个网络设备的标识。
可选地，该方法还包括：该第一网络设备接收该终端设备发送的消息3，该消息3包括该至少一个网络设备中部分或全部网络设备的标识，该部分或全部网络设备包括该第一网络设备；该第一网络设备根据该部分或全部网络设备的标识，与该部分或全部网络设备中除该第一网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
应理解，本申请实施例中的第一网络设备与方法100中的第一网络设备相对应，可对应执行方法100中第一网络设备的方法，在此不再赘述。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络设备发送随机接入前导，网络设备向终端设备发送指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终 端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
图3示出了根据本申请实施例的用于终端设备接入网络的方法200的示意性流程图，该方法300可以由网络设备执行，具体地，如图3所示，该方法300包括：
S310，第二网络设备接收终端设备发送的随机接入前导；
S320，该第二网络设备根据该随机接入前导，向该终端设备发送第二随机接入响应信息；
S330，该第二网络设备接收该终端设备发送的消息3，该消息3包括至少两个网络设备的标识；
S340，该第二网络设备根据该至少两个网络设备的标识，与该至少两个网络设备中除该第二网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
应理解，本申请实施例中的第二网络设备与方法100中的第二网络设备相对应，可对应执行方法200中第二网络设备的方法，在此不再赘述。
因此，本申请实施例的用于终端设备接入网络的方法，终端设备向网络设备发送随机接入前导，网络设备向终端设备发送指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中结合图1至图3，详细描述了根据本申请实施例的用于终端设备接入网络的方法，下面将结合图4至图9，描述根据本申请实施例的用于终端设备接入网络的装置。
如图4所示，根据本申请实施例的终端设备400包括：
发送单元410，用于发送随机接入前导；
接收单元420，用于接收第一网络设备发送的指示信息；
该接收单元420还用于：根据该指示信息，接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备。
因此，本申请实施例的终端设备，向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
可选地，该指示信息用于指示该终端设备接收该第一网络设备和第二网络设备发送的随机接入响应信息，该至少一个网络设备包括该第二网络设备，该接收单元420还用于：接收该第一网络设备和该第二网络设备发送的随机接入响应信息。
可选地，该指示信息包括该至少一个网络设备的标识。
可选地，该终端设备还包括：确定单元430，用于在该接收单元420根据该指示信息，接收至少一个网络设备发送的随机接入响应信息之后，在该至少一个网络设备中确定目标网络设备；该发送单元430还用于：向该目标网络设备发送消息3。
可选地，该至少一个网络设备中每个网络设备的随机接入响应信息包括时间提前量和/或该每个网络设备的负载比率，该时间提前量为该终端设备到该每个网络设备的上行无线信号传播时延，该确定单元430还用于：根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备。
可选地，该指示信息包括预设规则，该确定单元430还用于：按照该预设规则，根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备。
可选地，该预设规则为将该至少一个网络设备中时间提前量最小对应的网络设备确定为该目标网络设备；或，该预设规则为将该至少一个网络设备中负载比率最小的网络设备确定为该目标网络设备。
可选地，该发送单元410还用于：向该至少一个网络设备中部分或全部网络设备发送消息3，该消息3包括该部分或全部网络设备的标识；该确定单元430还用于：确定发送消息4的网络设备为该目标网络设备。
可选地，该确定单元430还用于：根据预设规则，在该至少一个网络设备中确定第三网络设备，该第三网络设备为为该终端设备配置相同的上行调度信令UL grant的网络设备中的一个；该发送单元410还用于：向该第三网络设备以及其他网络设备发送该消息3，该其他网络设备为该至少一个网络 设备中除该为该终端设备配置相同的UL grant的网络设备外的网络设备。
应理解，根据本申请实施例的终端设备400可对应于执行本申请实施例中的方法100，并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图1中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的终端设备，向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
如图5所示，根据本申请实施例的网络设备500包括：
接收单元510，用于接收终端设备发送的随机接入前导；
发送单元520，用于向该终端设备发送指示信息，该指示信息用于指示该终端设备接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该网络设备；
该发送单元520还用于：根据该随机接入前导，向该终端设备发送第一随机接入响应信息。
因此，本申请实施例的网络设备，对于终端设备向网络设备发送的随机接入前导，网络设备通过向终端设备发送指示信息，指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
可选地，该指示信息包括该至少一个网络设备的标识。
可选地，该接收单元510还用于：接收该终端设备发送的消息3，该消息3包括该至少一个网络设备中部分或全部网络设备的标识，该部分或全部网络设备包括该网络设备；根据该部分或全部网络设备的标识，与该部分或全部网络设备中除该网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
应理解，根据本申请实施例的网络设备500可对应于执行本申请实施例中的方法200，并且网络设备500中的各个单元的上述和其它操作和/或功能分别为了实现图2中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的网络设备，对于终端设备向网络设备发送的随机接入前导，网络设备通过向终端设备发送指示信息，指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个 网络设备中选择接入的网络设备，从而提高系统的利用率。
如图6所示，根据本申请实施例的网络设备600包括：
接收单元610，用于接收终端设备发送的随机接入前导；
发送单元620，用于根据该随机接入前导，向该终端设备发送第二随机接入响应信息；
该接收单元610还用于：接收该终端设备发送的消息3，该消息3包括至少两个网络设备的标识；
确定单元630，用于根据该至少两个网络设备的标识，与该至少两个网络设备中除该网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
应理解，根据本申请实施例的网络设备600可对应于执行本申请实施例中的方法300，并且网络设备600中的各个单元的上述和其它操作和/或功能分别为了实现图3中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的网络设备，可以接收到终端设备发送的随机接入前导，且终端设备根据接收的指示信息接收包括该网络设备的至少一个网络设备发送的随机接入响应信息，该至少一个网络设备之间协商确定终端接入的网络设备，从而提高系统的利用率。
图7示出了根据本申请实施例的终端设备700的示意性框图，如图7所示，该终端设备700包括：处理器710和收发器720，处理器710和收发器720相连，可选地，该终端设备700还包括存储器730，存储器730与处理器710相连。其中，处理器710、存储器730和收发器720之间通过内部连接通路互相通信，传递控制和/或数据信号，该存储器730可以用于存储指令，该处理器710用于执行该存储器730存储的指令，以控制收发器720发送信息或信号，收发器720用于发送随机接入前导；接收第一网络设备发送的指示信息；根据该指示信息，接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该第一网络设备。
因此，本申请实施例的终端设备，向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
可选地，该指示信息用于指示该终端设备接收该第一网络设备和第二网 络设备发送的随机接入响应信息，该至少一个网络设备包括该第二网络设备，该收发器720还用于：接收该第一网络设备和该第二网络设备发送的随机接入响应信息。
可选地，该指示信息包括该至少一个网络设备的标识。
可选地，该处理器710还用于：在该收发器720根据该指示信息，接收至少一个网络设备发送的随机接入响应信息之后，在该至少一个网络设备中确定目标网络设备；该收发器720还用于：向该目标网络设备发送消息3。
可选地，该至少一个网络设备中每个网络设备的随机接入响应信息包括时间提前量和/或该每个网络设备的负载比率，该时间提前量为该终端设备到该每个网络设备的上行无线信号传播时延，该处理器710还用于：根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备。
可选地，该指示信息包括预设规则，该处理器710还用于：按照该预设规则，根据该时间提前量和/或该负载比率，在该至少一个网络设备中确定该目标网络设备。
可选地，该预设规则为将该至少一个网络设备中时间提前量最小对应的网络设备确定为该目标网络设备；或，该预设规则为将该至少一个网络设备中负载比率最小的网络设备确定为该目标网络设备。
可选地，该收发器720还用于：向该至少一个网络设备中部分或全部网络设备发送消息3，该消息3包括该部分或全部网络设备的标识；该处理器710还用于：确定发送消息4的网络设备为该目标网络设备。
可选地，该处理器710还用于：根据预设规则，在该至少一个网络设备中确定第三网络设备，该第三网络设备为为该终端设备配置相同的上行调度信令UL grant的网络设备中的一个；该收发器720还用于：向该第三网络设备以及其他网络设备发送该消息3，该其他网络设备为该至少一个网络设备中除该为该终端设备配置相同的UL grant的网络设备外的网络设备。
应理解，根据本申请实施例的终端设备700可对应于本申请实施例中的终端设备400，并可以对应于执行根据本申请实施例的方法100中的相应主体，并且终端设备700中的各个模块的上述和其它操作和/或功能分别为了实现图1中的各个方法中发起设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的终端设备，向网络设备发送随机接入前导，并接收网络设备发送的指示信息，通过该指示信息指示该终端设备接收至少一个 网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
图8示出了根据本申请实施例的网络设备800的示意性框图，如图8所示，该网络设备800包括：处理器810和收发器820，处理器810和收发器820相连，可选地，该网络设备800还包括存储器830，存储器830与处理器810相连。其中，处理器810、存储器830和收发器820之间通过内部连接通路互相通信，传递控制和/或数据信号，该存储器830可以用于存储指令，该处理器810用于执行该存储器830存储的指令，以控制收发器820发送信息或信号，该收发器820用于：接收终端设备发送的随机接入前导；向该终端设备发送指示信息，该指示信息用于指示该终端设备接收至少一个网络设备发送的随机接入响应信息，该至少一个网络设备包括该网络设备；根据该随机接入前导，向该终端设备发送第一随机接入响应信息。
因此，本申请实施例的网络设备，对于终端设备向网络设备发送的随机接入前导，网络设备通过向终端设备发送指示信息，指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
可选地，该指示信息包括该至少一个网络设备的标识。
可选地，该收发器820还用于：接收该终端设备发送的消息3，该消息3包括该至少一个网络设备中部分或全部网络设备的标识，该部分或全部网络设备包括该网络设备；根据该部分或全部网络设备的标识，与该部分或全部网络设备中除该网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
应理解，根据本申请实施例的网络设备800可对应于本申请实施例中的网络设备500，并可以对应于执行根据本申请实施例的方法200中的相应主体，并且网络设备800中的各个模块的上述和其它操作和/或功能分别为了实现图2中的各个方法中发起设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的网络设备，对于终端设备向网络设备发送的随机接入前导，网络设备通过向终端设备发送指示信息，指示该终端设备接收至少一个网络设备发送的随机接入响应信息，使得终端设备可以在该至少一个网络设备中选择接入的网络设备，从而提高系统的利用率。
图9示出了根据本申请实施例的网络设备900的示意性框图，如图9所 示，该网络设备900包括：处理器910和收发器920，处理器910和收发器920相连，可选地，该网络设备900还包括存储器930，存储器930与处理器910相连。其中，处理器910、存储器930和收发器920之间通过内部连接通路互相通信，传递控制和/或数据信号，该存储器930可以用于存储指令，该处理器910用于执行该存储器930存储的指令，以控制收发器920发送信息或信号，该收发器920用于：接收终端设备发送的随机接入前导；根据该随机接入前导，向该终端设备发送第二随机接入响应信息；接收该终端设备发送的消息3，该消息3包括至少两个网络设备的标识；该处理器910用于：根据该至少两个网络设备的标识，与该至少两个网络设备中除该网络设备外的其他网络设备协商确定向该终端设备发送消息4的目标网络设备。
应理解，根据本申请实施例的网络设备900可对应于本申请实施例中的网络设备600，并可以对应于执行根据本申请实施例的方法300中的相应主体，并且网络设备900中的各个模块的上述和其它操作和/或功能分别为了实现图3中的各个方法中发起设备的相应流程，为了简洁，在此不再赘述。
因此，本申请实施例的网络设备，可以接收到终端设备发送的随机接入前导，且终端设备根据接收的指示信息接收包括该网络设备的至少一个网络设备发送的随机接入响应信息，该至少一个网络设备之间协商确定终端接入的网络设备，从而提高系统的利用率。
应注意，本申请上述方法实施例可以应用于处理器中，或者由处理器实现。处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处 理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可 以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (26)

  1. 一种用于终端设备接入网络的方法，其特征在于，包括：
    终端设备发送随机接入前导；
    所述终端设备接收第一网络设备发送的指示信息；
    所述终端设备根据所述指示信息，接收至少一个网络设备发送的随机接入响应信息，所述至少一个网络设备包括所述第一网络设备。
  2. 根据权利要求1所述的方法，其特征在于，所述指示信息用于指示所述终端设备接收所述第一网络设备和第二网络设备发送的随机接入响应信息，所述至少一个网络设备包括所述第二网络设备，
    所述终端设备根据所述指示信息，接收至少一个网络设备导发送的随机接入响应信息，包括：
    所述终端设备接收所述第一网络设备和所述第二网络设备发送的随机接入响应信息。
  3. 根据权利要求1或2所述的方法，其特征在于，所述指示信息包括所述至少一个网络设备的标识。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，在所述终端设备根据所述指示信息，接收至少一个网络设备发送的随机接入响应信息之后，所述方法还包括：
    所述终端设备在所述至少一个网络设备中确定目标网络设备；
    所述终端设备向所述目标网络设备发送消息3。
  5. 根据权利要求4所述的方法，其特征在于，所述至少一个网络设备中每个网络设备的随机接入响应信息包括时间提前量和/或所述每个网络设备的负载比率，所述时间提前量为所述终端设备到所述每个网络设备的上行无线信号传播时延，
    所述终端设备在所述至少一个网络设备中确定目标网络设备，包括：
    所述终端设备根据所述时间提前量和/或所述负载比率，在所述至少一个网络设备中确定所述目标网络设备。
  6. 根据权利要求5所述的方法，其特征在于，所述指示信息包括预设规则，
    所述终端设备根据所述时间提前量和/或所述负载比率，在所述至少一个网络设备中确定所述目标网络设备，包括：
    所述终端设备按照所述预设规则，根据所述时间提前量和/或所述负载比率，在所述至少一个网络设备中确定所述目标网络设备。
  7. 根据权利要求6所述的方法，其特征在于，所述预设规则为将所述至少一个网络设备中时间提前量最小对应的网络设备确定为所述目标网络设备；或
    所述预设规则为将所述至少一个网络设备中负载比率最小的网络设备确定为所述目标网络设备。
  8. 根据权利要求4所述的方法，其特征在于，所述终端设备在所述至少一个网络设备中确定目标网络设备，包括：
    所述终端设备向所述至少一个网络设备中部分或全部网络设备发送消息3，所述消息3包括所述部分或全部网络设备的标识；
    所述终端设备确定发送消息4的网络设备为所述目标网络设备。
  9. 根据权利要求8所述的方法，其特征在于，所述终端设备向所述至少一个网络设备中部分网络设备发送消息3，包括：
    所述终端设备根据预设规则，在所述至少一个网络设备中确定第三网络设备，所述第三网络设备为为所述终端设备配置相同的上行调度信令UL grant的网络设备中的一个；
    所述终端设备向所述第三网络设备以及其他网络设备发送所述消息3，所述其他网络设备为所述至少一个网络设备中除所述为所述终端设备配置相同的UL grant的网络设备外的网络设备。
  10. 一种用于终端设备接入网络的方法，其特征在于，包括：
    第一网络设备接收终端设备发送的随机接入前导；
    所述第一网络设备向所述终端设备发送指示信息，所述指示信息用于指示所述终端设备接收至少一个网络设备发送的随机接入响应信息，所述至少一个网络设备包括所述第一网络设备；
    所述第一网络设备根据所述随机接入前导，向所述终端设备发送第一随机接入响应信息。
  11. 根据权利要求10所述的方法，其特征在于，所述指示信息包括所述至少一个网络设备的标识。
  12. 根据权利要求10或11所述的方法，其特征在于，所述方法还包括：
    所述第一网络设备接收所述终端设备发送的消息3，所述消息3包括所 述至少一个网络设备中部分或全部网络设备的标识，所述部分或全部网络设备包括所述第一网络设备；
    所述第一网络设备根据所述部分或全部网络设备的标识，与所述部分或全部网络设备中除所述第一网络设备外的其他网络设备协商确定向所述终端设备发送消息4的目标网络设备。
  13. 一种用于终端设备接入网络的方法，其特征在于，包括：
    第二网络设备接收终端设备发送的随机接入前导；
    所述第二网络设备根据所述随机接入前导，向所述终端设备发送第二随机接入响应信息；
    所述第二网络设备接收所述终端设备发送的消息3，所述消息3包括至少两个网络设备的标识；
    所述第二网络设备根据所述至少两个网络设备的标识，与所述至少两个网络设备中除所述第二网络设备外的其他网络设备协商确定向所述终端设备发送消息4的目标网络设备。
  14. 一种终端设备，其特征在于，包括：
    发送单元，用于发送随机接入前导；
    接收单元，用于接收第一网络设备发送的指示信息；
    所述接收单元还用于：根据所述指示信息，接收至少一个网络设备发送的随机接入响应信息，所述至少一个网络设备包括所述第一网络设备。
  15. 根据权利要求14所述的终端设备，其特征在于，所述指示信息用于指示所述终端设备接收所述第一网络设备和第二网络设备发送的随机接入响应信息，所述至少一个网络设备包括所述第二网络设备，
    所述接收单元还用于：
    接收所述第一网络设备和所述第二网络设备发送的随机接入响应信息。
  16. 根据权利要求14或15所述的终端设备，其特征在于，所述指示信息包括所述至少一个网络设备的标识。
  17. 根据权利要求14至16中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    确定单元，用于在所述接收单元根据所述指示信息，接收至少一个网络设备发送的随机接入响应信息之后，在所述至少一个网络设备中确定目标网络设备；
    所述发送单元还用于：
    向所述目标网络设备发送消息3。
  18. 根据权利要求17所述的终端设备，其特征在于，所述至少一个网络设备中每个网络设备的随机接入响应信息包括时间提前量和/或所述每个网络设备的负载比率，所述时间提前量为所述终端设备到所述每个网络设备的上行无线信号传播时延，
    所述确定单元还用于：
    根据所述时间提前量和/或所述负载比率，在所述至少一个网络设备中确定所述目标网络设备。
  19. 根据权利要求18所述的终端设备，其特征在于，所述指示信息包括预设规则，
    所述确定单元还用于：
    按照所述预设规则，根据所述时间提前量和/或所述负载比率，在所述至少一个网络设备中确定所述目标网络设备。
  20. 根据权利要求19所述的终端设备，其特征在于，所述预设规则为将所述至少一个网络设备中时间提前量最小对应的网络设备确定为所述目标网络设备；或
    所述预设规则为将所述至少一个网络设备中负载比率最小的网络设备确定为所述目标网络设备。
  21. 根据权利要求17所述的终端设备，其特征在于，所述发送单元还用于：
    向所述至少一个网络设备中部分或全部网络设备发送消息3，所述消息3包括所述部分或全部网络设备的标识；
    所述确定单元还用于：
    确定发送消息4的网络设备为所述目标网络设备。
  22. 根据权利要求21所述的终端设备，其特征在于，所述确定单元还用于：
    根据预设规则，在所述至少一个网络设备中确定第三网络设备，所述第三网络设备为为所述终端设备配置相同的上行调度信令UL grant的网络设备中的一个；
    所述发送单元还用于：
    向所述第三网络设备以及其他网络设备发送所述消息3，所述其他网络设备为所述至少一个网络设备中除所述为所述终端设备配置相同的UL grant的网络设备外的网络设备。
  23. 一种网络设备，其特征在于，包括：
    接收单元，用于接收终端设备发送的随机接入前导；
    发送单元，用于向所述终端设备发送指示信息，所述指示信息用于指示所述终端设备接收至少一个网络设备发送的随机接入响应信息，所述至少一个网络设备包括所述网络设备；
    所述发送单元还用于：根据所述随机接入前导，向所述终端设备发送第一随机接入响应信息。
  24. 根据权利要求23所述的网络设备，其特征在于，所述指示信息包括所述至少一个网络设备的标识。
  25. 根据权利要求23或24所述的网络设备，其特征在于，所述接收单元还用于：
    接收所述终端设备发送的消息3，所述消息3包括所述至少一个网络设备中部分或全部网络设备的标识，所述部分或全部网络设备包括所述网络设备；
    根据所述部分或全部网络设备的标识，与所述部分或全部网络设备中除所述网络设备外的其他网络设备协商确定向所述终端设备发送消息4的目标网络设备。
  26. 一种网络设备，其特征在于，包括：
    接收单元，用于接收终端设备发送的随机接入前导；
    发送单元，用于根据所述随机接入前导，向所述终端设备发送第二随机接入响应信息；
    所述接收单元还用于：接收所述终端设备发送的消息3，所述消息3包括至少两个网络设备的标识；
    确定单元，用于根据所述至少两个网络设备的标识，与所述至少两个网络设备中除所述网络设备外的其他网络设备协商确定向所述终端设备发送消息4的目标网络设备。
PCT/CN2017/078103 2017-03-24 2017-03-24 用于终端设备接入网络的方法、终端设备和网络设备 WO2018170892A1 (zh)

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