WO2018120184A1 - 小区切换过程中的信息传输方法和装置 - Google Patents

小区切换过程中的信息传输方法和装置 Download PDF

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Publication number
WO2018120184A1
WO2018120184A1 PCT/CN2016/113865 CN2016113865W WO2018120184A1 WO 2018120184 A1 WO2018120184 A1 WO 2018120184A1 CN 2016113865 W CN2016113865 W CN 2016113865W WO 2018120184 A1 WO2018120184 A1 WO 2018120184A1
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WIPO (PCT)
Prior art keywords
emtc
base station
terminal
target cell
supports
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PCT/CN2016/113865
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English (en)
French (fr)
Inventor
王妮
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/113865 priority Critical patent/WO2018120184A1/zh
Priority to CN201680091935.2A priority patent/CN110140397B/zh
Publication of WO2018120184A1 publication Critical patent/WO2018120184A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the field of communications technologies, and more specifically, to an information transmission method and apparatus in a cell handover process.
  • eMTC Machine Type Communication
  • LTE Long Term Evolution
  • eMTC achieves coverage enhancement through repeated techniques.
  • the repetition technique is mainly applied to a physical broadcast channel (PBCH) and a physical downlink shared channel broadcast channel (PDSCH-BCH).
  • PBCH physical broadcast channel
  • PDSCH-BCH physical downlink shared channel broadcast channel
  • a cell supporting the eMTC technology repeatedly transmits a master information block (MIB) message, a system information block type 1 (SIB1) message, and the like on a PBCH, a PDSCH-BCH, or other channels.
  • MIB master information block
  • SIB1 system information block type 1
  • the eMTC technology indicates that the cell supports the eMTC by adding a cell (such as a schedulingInfoSIB1-BR-r13 cell) in the MIB message, and the absence of the new cell indicates that the cell does not support the eMTC.
  • the target cell After the eMTC technology is introduced, in the current handover process, the target cell also uses the manner that the new cell in the MIB message indicates that the target cell supports the eMTC to notify the terminal target cell whether the eMTC is supported.
  • this method is not conducive to the handover of the terminal. It will even reduce the success rate of the switch.
  • the embodiment of the present application provides an information transmission method and device in a cell handover process, so as to improve the success rate of handover after the introduction of the eMTC technology.
  • the first aspect provides a method for transmitting information in a cell handover process, including:
  • the terminal receives the notification information from the network side, where the notification information is used to notify the terminal whether the target cell supports the eMTC or to notify the terminal of the sending manner of the MIB message in the target cell; when the terminal receives the handover command from the network side, the terminal according to the notification information Receive MIB message, where, cut The change command is used to instruct the terminal to switch from the source cell to the target cell.
  • the MIB message is an MIB message sent by the target base station in the target cell.
  • the notification information may be sent to the terminal by the network side independently of the handover command, or may be sent to the terminal in the handover command.
  • the terminal can notify the eMTC of the target cell or the mode of sending the MIB message in the target cell when the handover command is sent, thereby saving signaling.
  • the notification information may be indication information from the target base station forwarded by the source base station.
  • the notification information may be generated by the source base station according to the indication information from the target base station and transmitted to the terminal.
  • the foregoing indication information is used to indicate whether the target cell supports the eMTC or is used to indicate the sending manner of the MIB message in the target cell.
  • the terminal receives the MIB message according to the notification information, including the following methods:
  • the terminal receives the MIB message according to the receiving manner that matches the transmission mode of the notification. For example, when the notification transmission mode is the eMTC transmission mode, the terminal uses the eMTC reception mode to receive. When the notification is sent in the non-eMTC transmission mode, the terminal uses the non-eMTC receiving mode to receive.
  • the notification information is used to notify the terminal that the target cell supports the eMTC, and the terminal supports the eMTC, the MIB message is received according to the eMTC receiving mode, and the eMTC receiving mode is the receiving mode that matches the eMTC sending mode.
  • the notification information is used to notify the terminal that the target cell supports the eMTC, and the terminal does not support the eMTC
  • the MIB message is received according to the non-eMTC receiving mode
  • the non-eMTC receiving mode is the receiving mode that matches the non-eMTC sending mode.
  • the network side may not send the notification information.
  • the terminal does not support the eMTC, and directly receives the MIB message according to the non-eMTC receiving manner.
  • the network side does not consider the terminal's support for the eMTC, the terminal knows that it does not support the eMTC, and the terminal can directly receive the MIB message according to the non-eMTC receiving mode, regardless of the target cell pair. eMTC support.
  • the terminal receives the MIB message according to the non-eMTC receiving mode.
  • the terminal can learn that the target cell does not support the eMTC, and therefore receives the MIB message by using the non-eMTC receiving mode.
  • the method for sending the MIB message by the non-eMTC is a method for repeatedly transmitting the MIB message in multiple system frames in one cycle, and the MIB is sent in only one subframe in each system frame.
  • the manner in which the eMTC sends the MIB message is a method of repeatedly transmitting the MIB message in more than one subframe in the system frame.
  • the MIB message can be repeatedly transmitted at the symbol level within the subframe.
  • the second aspect provides a method for transmitting information in a cell handover process, including:
  • the source base station determines to switch the terminal from the source cell to the target cell, and sends a handover request message to the target base station or triggers the core network device to send a handover request message to the target base station; the source base station receives the indication information that is sent by the target base station in response to the handover request message, The indication information is used to indicate whether the target cell supports the eMTC or is used to indicate the sending manner of the MIB message in the target cell. The source base station notifies the terminal whether the target cell supports the eMTC or the sending of the MIB message in the target cell according to the indication information. the way.
  • the source base station is a base station where the source cell is located, and the target base station is a base station where the target cell is located.
  • the source base station notifies the terminal whether the target cell supports the eMTC or the manner in which the MIB message is sent in the target cell.
  • the source base station sends a handover command to the terminal, where the handover command carries notification information, where the notification information is used to notify the terminal whether the target cell supports eMTC or How to send MIB messages in the target cell. In this way, when the handover command is sent, the terminal target cell can be notified of the support of the eMTC or the mode of sending the MIB message in the target cell, thereby saving signaling.
  • the source base station notifies the terminal whether the target cell supports the eMTC or the mode of transmitting the MIB message in the target cell according to the indication information, and the source base station forwards the indication information as the notification information to the terminal, and uses the indication information to notify the terminal whether the target cell supports the eMTC or the target cell. How to send MIB messages.
  • the source base station generates notification information according to the indication information, where the notification information is used to notify the terminal whether the target cell supports the eMTC or the manner in which the MIB message is sent in the target cell.
  • the sending of the foregoing indication information or the notification information may be triggered when the terminal supports the eMTC to save signaling.
  • whether the terminal supports eMTC can be determined by the target base station.
  • the handover request message carries information about whether the terminal supports the eMTC, and the target base station can determine whether the terminal supports the eMTC according to whether the terminal supports the information of the eMTC.
  • the target base station sends the indication information to the source base station.
  • the indication information is sent to the source base station. In this case, the indication information indicates that the target cell supports the eMTC or the mode of sending the MIB message in the target cell is the eMTC mode.
  • whether the terminal supports the eMTC may also be determined by the source base station, and if the source base station supports the eMTC, the source base station notifies the target target cell whether to support the eMTC or the MIB in the target cell. How the message is sent. Further, the source base station may determine that the terminal supports the eMTC and determines that the target cell supports the eMTC according to the indication information, and notifies the target target cell to support the eMTC or the sending mode of the MIB message in the target cell is the eMTC mode.
  • the third aspect provides a method for transmitting information in a cell handover process, including:
  • the target base station receives the handover request message.
  • the target base station sends the indication information to the source base station in response to the handover request message, where the indication information is used to indicate whether the target cell supports the eMTC or is used to indicate the manner in which the MIB message is sent in the target cell.
  • the handover request message is used to request to handover the terminal from the source cell to the target cell.
  • the source base station is the base station where the source cell is located
  • the target base station is the base station where the target cell is located.
  • the sending of the foregoing indication information may be triggered only when the terminal supports the eMTC, so as to save signaling.
  • the handover request message carries information about whether the terminal supports the eMTC, and the target base station determines whether the terminal supports the eMTC according to whether the terminal supports the information of the eMTC.
  • the sending of the foregoing indication information is triggered only when the target base station determines that the terminal supports the eMTC, so as to save signaling. For example, when the terminal supports eMTC, the target base station transmits indication information.
  • the target base station determines that the terminal supports the eMTC, and the target cell supports the eMTC, the target base station sends the indication information, and the indication information is used to indicate that the target cell supports the eMTC or the sending manner of the MIB message in the target cell is the eMTC mode.
  • an information transmission apparatus in a cell handover process is used for a terminal, including a unit or means for performing each step of the above first aspect.
  • an information transmission apparatus in a cell handover process is used for a source base station or a target base station, and includes means or means for performing the steps of the second aspect or the third aspect above.
  • a terminal comprising a processor for storing a program, the processor calling a program stored in the memory to perform the method provided in the above first aspect.
  • a base station comprising a processor and a memory, the memory for storing a program, the processor calling a program stored in the memory to perform the method provided in the second aspect or the third aspect above.
  • a terminal comprising at least one processing element or chip for performing the method of the above first aspect.
  • a base station comprising at least one processing element or chip for performing the method of the above second or third aspect.
  • a computer readable storage medium comprising the program of the tenth aspect.
  • the embodiment of the present application provides an information transmission method and device in a cell handover process, which can reduce the problem that the manner in which the terminal receives the MIB message does not match the manner in which the target base station sends the MIB message, and the probability of handover failure increases.
  • the network side before the terminal receives the MIB message of the target base station, the network side notifies the eMTC support situation of the target cell or the mode of sending the MIB message in the target cell, so that the terminal receives the MIB message according to the corresponding manner, and sends the MIB with the target base station.
  • the manner of the messages is matched, thereby increasing the probability of successful handover and reducing the handover delay.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a manner of sending an MIB message according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of another MIB message sending manner provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of an information transmission method in a cell handover process according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of an information transmission method in a cell handover process according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of another information transmission method in a cell handover process according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of another information transmission method in a cell handover process according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an information transmission apparatus 800 according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an information transmission apparatus 900 according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an information transmission apparatus 1000 according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a base station according to an embodiment of the present application.
  • a terminal also called a User Equipment (UE) is a device that provides voice and/or data connectivity to a user, for example, a handheld device with a wireless connection function, an in-vehicle device, and the like.
  • UE User Equipment
  • Common terminals include, for example, mobile phones, tablets, notebook computers, PDAs, mobile internet devices (MIDs), wearable devices such as smart watches, smart bracelets, pedometers, and the like.
  • MIDs mobile internet devices
  • wearable devices such as smart watches, smart bracelets, pedometers, and the like.
  • a base station also known as a radio access network (RAN) device
  • RAN radio access network
  • eNB evolved Node B
  • RNC Radio network controller
  • NB Node B
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • home base station for example, Home evolved
  • HNB Home Node B
  • BBU BaseBand Unit
  • AP Wifi Access Point
  • Multiple means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • the communication system includes a base station 110, a base station 120, and a terminal 130.
  • the cell cell 1 of the base station 110 is a source serving cell (referred to as a source cell) and serves the terminal 130.
  • a source cell a source serving cell
  • the terminal 130 moves from the source cell cell1 to the target cell cell2, the service of the terminal 130 needs to be handed over to the target cell cell2.
  • cell1 and cell2 may also belong to the same base station, which is only an example here.
  • the base station where the source cell is located is referred to as a source base station, such as the base station 110 in FIG.
  • the base station where the target cell is located is called a target base station, such as the base station 120 in FIG.
  • the network side indicates whether the cell supports eMTC by adding a cell to the MIB message.
  • the MIB message of the target cell cell2 needs to be received first to know whether the target cell supports the eMTC.
  • the terminal 130 does not know the target before receiving the MIB message of the target cell cell2.
  • cell cell 2 supports eMTC. in case If the terminal 130 does not receive the MIB message repeatedly by using the eMTC, the merged gain cannot be obtained when the target cell supports the eMTC. In the weak coverage scenario, the handover is not favorable.
  • the network side does not repeatedly send the MIB message according to the eMTC manner, which may cause a negative gain. It can be seen that, when the terminal does not know whether the target cell supports the eMTC, if the manner in which the terminal receives the MIB message does not match the sending manner of the MIB message in the target cell, the probability of the handover failure increases, and the handover delay is also increased, which affects the user experience.
  • the embodiment of the present application provides an information transmission method and apparatus in the cell handover process.
  • the network side Before the terminal receives the MIB message of the target base station, the network side notifies the eMTC support situation of the target cell or the mode of sending the MIB message in the target cell, so that the terminal receives the MIB message according to the corresponding manner, and sends the MIB with the target base station.
  • the manner of the messages is matched, thereby increasing the probability of successful handover and reducing the handover delay.
  • the sending manner of the MIB message includes: an eMTC sending mode and a non-eMTC sending mode. These two methods are described below in conjunction with FIGS. 2 and 3.
  • FIG. 2 is a schematic diagram of a non-eMTC transmission manner provided by an embodiment of the present application.
  • the non-eMTC transmission mode is a period of 40 ms, and the period includes 4 system frames, and the MIB message is sent once in each system frame, and the MIB is sent 4 times in one cycle.
  • the MIB message is transmitted for the first time on a system frame in which the system frame satisfies the system frame number modulo 4 is 0, and the remaining system frames in the same period are used to repeatedly transmit the MIB message transmitted for the first time.
  • the system can transmit the MIB message for the first time on the system frame, such as MIB1, and the system in the period in which the system frame 0 is located.
  • the MIB1 is repeatedly transmitted three times on frames 1, 2, and 3.
  • the MIB message may be transmitted for the first time on the system frame, such as MIB2, and the system frame 5 in the period in which the system frame 4 is located.
  • MIB2 is repeated 3 times on 6, 6, and 7.
  • the transmission of the MIB messages on the system frames that satisfy the modulo 4 to 0 and the transmission of the MIB messages on the remaining system frames in the period in which they are located are similar to those described above, and are not described herein again.
  • the terminal may only receive the MIB message transmitted once in one cycle, and the MIB message can be successfully solved. If the channel quality is poor, the terminal will The MIB messages received in one cycle are sequentially combined and then decoded until the MIB message is successfully solved.
  • MIB messages in the same period are the same, and the MIB messages in different periods may be different.
  • the manner in which the non-eMTC sends the MIB message is a method of repeatedly transmitting the MIB message on multiple system frames in one cycle, and the MIB message is sent in only one subframe in each system frame.
  • FIG. 3 is a schematic diagram of an eMTC sending manner provided by an embodiment of the present application.
  • an example of transmitting an MIB message based on the eMTC method is taken as an example.
  • a subframe is added for repeatedly transmitting the MIB message.
  • the MIB message can be repeatedly transmitted at the 9th subframe symbol level.
  • the eMTC transmission mode can be adapted to an environment with poor channel quality, and more repetitions can be used to obtain a larger combining gain, thereby achieving enhanced coverage.
  • the manner in which the eMTC sends the MIB message is a manner in which the MIB message is repeatedly sent in more than one subframe in the system frame.
  • the MIB message can be repeatedly transmitted at the symbol level within the subframe.
  • FIG. 2 or FIG. 3 only exemplifies the non-eMTC transmission mode or the eMTC transmission mode, and the specific numerical values are not limited, such as a period length, a repetition number, a repeated frame number, a subframe number, and the like.
  • FIG. 4 is a flowchart of a method for transmitting information in a cell handover process according to an embodiment of the present application, where the method includes the following steps:
  • the source base station determines to handover the terminal from the source cell to the target cell, and sends a handover request message to the target base station.
  • the handover request message is used to request to handover the terminal from the source cell to the target cell.
  • the target base station can receive the handover request message sent by the source base station.
  • the source base station may trigger the core network device to send a handover request message to the target base station. Step S410' in the figure.
  • the target base station may receive the handover request message sent by the core network device.
  • the target base station After receiving the handover request message, the target base station responds to the handover request message to the source base station. Send instructions.
  • the indication information is used to indicate whether the target cell supports the eMTC or is used to indicate the sending manner of the MIB message in the target cell (eMTC sending mode or non-eMTC sending mode).
  • the target base station may directly send the indication information to the source base station, or may send the indication information to the source base station through the core network device. For example, when there is no direct connection between the source base station and the target base station, when the handover request message is sent by the core network device to the target base station, the target base station may send the indication information to the core network device, and the core network device forwards the indication information to the source. Base station. Step S420' in the figure.
  • the source base station can receive the indication information sent by the target base station.
  • the source base station notifies, according to the received indication information, whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell. That is, the notification information is sent to the terminal to notify the terminal whether the target cell supports the eMTC or to notify the terminal of the manner in which the MIB message is sent in the target cell.
  • the terminal may receive the notification information sent by the source base station, where the notification information is used to indicate whether the target cell supports the eMTC or is used to indicate the sending manner of the MIB message in the target cell.
  • S440 The terminal receives the MIB message according to the notification information when receiving the handover command sent by the source base station.
  • the network side has notified the terminal target cell's support for the eMTC or the manner of sending the MIB message in the target cell during the handover process.
  • the terminal can know whether the target cell supports the sending mode of the MIB message in the eMTC or the target cell, and then receives the MIB message in a matched manner, thereby improving the success rate of receiving the MIB message, thereby improving the success rate.
  • the success rate of the switch is notified the terminal target cell's support for the eMTC or the manner of sending the MIB message in the target cell during the handover process.
  • the notification information may be sent to the terminal by the network side independently of the handover command, or may be sent to the terminal in the handover command.
  • the notification information is carried in the handover command, and the signaling during the handover process can be reduced.
  • the notification information may be carried in the handover command, may also be transmitted in other messages, or transmitted separately, and is not limited herein.
  • the source base station may determine to switch the terminal from the source cell to the target cell according to the measurement report reported by the terminal. For example, after the terminal accesses the source base station, the source base station can configure a measurement policy for the terminal, and the terminal performs measurement and reporting according to the configuration of the source base station. The source base station receives the measurement report reported by the terminal, and may perform a handover decision according to the policy report. For example, when the signal quality of the target cell is found to be better, the terminal may be determined to switch to the target cell. Then, the handover request message is sent to the target base station or the core network device is triggered to send a handover request message.
  • the source base station can directly send the handover request message to the target base station.
  • the source base station may trigger the core network device to send a handover request message to the target base station. This will be described in detail in the subsequent embodiments.
  • the handover request message carries information about whether the terminal supports eMTC.
  • the terminal can report the capability information to the source base station, and the capability information can carry information about whether the terminal supports the eMTC.
  • the source base station may further include, in the handover request message, whether the terminal supports the information of the eMTC, to notify the target base station terminal of the support of the eMTC, or the source base station may send the information about whether the terminal supports the eMTC to the core network device, where the core network device is
  • the handover request message carries information about whether the terminal supports the eMTC to notify the target base station terminal of the support of the eMTC. In this way, the target base station can send the indication information when the terminal supports the eMTC, so that signaling can be saved.
  • the source base station may not carry the information of whether the terminal supports the eMTC in the handover request message, or the source base station may not send the information about whether the terminal supports the eMTC to the core network device.
  • the target base station sends the support situation of the target cell to the eMTC or the manner of sending the MIB message in the target cell to the source base station, regardless of whether the terminal supports the eMTC.
  • step S420 or S420' when the target base station receives the handover request message, it knows that the source base station wants to handover the terminal to the target base station, and the target base station determines that it can provide services for the terminal, prepares resources for the terminal, and sends a response message.
  • the source base station or the core network device, wherein the response message may be referred to as a handover request acknowledgement message.
  • the indication information may be carried in the response message, and the source base station is notified whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell, so that the source base station notifies the terminal target cell whether the eMTC or the MIB message in the target cell is sent. .
  • the target base station may determine, according to the information of the eMTC, whether the terminal supports the eMTC, and generates a response message carrying the indication information; otherwise, generates a response message that does not carry the indication information. Then, the response message is sent to the source base station or the core network device; that is, the target base station sends the indication information when determining that the terminal supports the eMTC, otherwise the indication information is not sent.
  • the switch request message does not carry information about whether the terminal supports eMTC.
  • the target base station does not consider the terminal support for the eMTC, and generates a response message carrying the indication information according to the support situation of the target cell to the eMTC, and sends the response message to the source base station or the core network device; that is, the target base station does not consider the terminal support for the eMTC. , directly send instructions.
  • the target base station sends the indication information to the core device
  • the core network device forwards the indication information to the source base station.
  • the indication information may be a 1-bit cell, and when the value is “0”, it indicates that the target cell does not support the eMTC or the sending manner of the MIB message in the target cell is a non-eMTC mode; when the value is “1” When the target cell supports the eMTC or the MIB message in the target cell is sent in the eMTC mode.
  • the value when the value is “1”, it indicates that the target cell does not support eMTC or the mode of sending the MIB message in the target cell is non-eMTC mode; when the value is “0”, it indicates the target cell.
  • the mode of sending MIB messages in the eMTC or the target cell is eMTC.
  • the present application does not limit the form of the indication information.
  • the target base station may also send the indication information only when the terminal supports the eMTC and the target cell also supports the eMTC. That is, the target base station not only informs the source base station of its own support for the eMTC when the terminal supports the eMTC and the target cell also supports the eMTC.
  • the indication information is used to indicate that the target cell supports the eMTC or the sending of the MIB message in the target cell.
  • the mode is eMTC. In this way, signaling can be further saved.
  • the target base station can directly transmit the indication information to the source base station.
  • the target base station may send the indication information to the source base station through the core network device.
  • the source base station may know that the target cell agrees to the receiving terminal, and then sends a handover command to the terminal to notify the terminal to switch to the target cell.
  • the notification information indicating whether the target cell of the terminal supports the eMTC or the sending manner of the MIB message in the target cell may be directly carried in the handover command.
  • the terminal can learn the support situation of the target cell to the eMTC or the mode of sending the MIB message in the target cell, so as to receive the MIB message sent by the target cell by using the matched receiving mode.
  • the above handover request acknowledgement message may be sent by the target base station to the source base station or may be sent by the core network device to the source base station, which will be described in detail in the following embodiments.
  • the source base station may directly forward the indication information to the terminal, and use the indication information as the notification information to notify the terminal whether the target cell supports the eMTC or the manner in which the MIB message is sent in the target cell.
  • the source base station may generate notification information according to the indication information, and use the notification information to notify the terminal target cell whether the eMTC or the sending manner of the MIB message in the target cell is supported.
  • the source base station may not notify the target base station of whether the terminal supports the eMTC. Instead, the source base station determines whether the terminal supports eMTC. At this time, the source base station may notify the terminal target cell whether to support eMTC or when determining that the terminal supports the eMTC. The way the MIB message is sent in the target cell. For example, when the source base station determines that the terminal supports the eMTC, the source base station forwards the indication information to the terminal, otherwise the forwarding is not performed. In addition, the source base station may further determine the support situation of the target cell to the eMTC.
  • the terminal When determining that the terminal supports the eMTC, and determining, according to the indication information, that the target cell also supports the eMTC, the terminal is notified that the target cell supports the sending of the MIB message in the eMTC or the target cell.
  • the mode is eMTC.
  • the source base station determines, according to the indication information, that the target cell supports the eMTC or the mode of sending the MIB message in the target cell to the eMTC mode, and further determines that the terminal supports the eMTC; and then sends the notification information to the terminal, and notifies the target target cell to support the eMTC or the MIB message in the target cell.
  • the transmission method is eMTC. In this way, the signaling can be further saved. If the terminal does not support the eMTC, no indication is given. Since the terminal does not support the eMTC, the terminal does not receive the eMTC. Therefore, there is no indication that there is no problem.
  • the terminal can receive the notification information sent by the source base station to learn whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell, and specifically includes the following manners:
  • the notification information includes indication information from the target base station that is forwarded by the source base station, and the indication information is used to indicate whether the target cell supports the eMTC or the manner in which the MIB message is sent in the target cell.
  • the notification information is generated by the source base station according to the indication information from the target base station, and is sent to the terminal, where the indication information is used to indicate whether the target cell supports the eMTC or the manner in which the MIB message is sent in the target cell.
  • the sending of the foregoing indication information or the notification information may be triggered when the terminal supports the eMTC to save signaling.
  • the target base station can determine whether the terminal supports the eMTC, and the indication information is sent to the source base station when the terminal supports the eMTC.
  • whether the terminal supports the eMTC may also be determined by the source base station, and the source base station sends the notification information to the terminal when the terminal supports the eMTC.
  • step S440 when the terminal receives the handover command sent by the network side, it can be known that the network side wants to switch the terminal from the source cell to the target cell. In addition, the terminal will receive the MIB message sent by the target cell. At this time, the terminal may receive the MIB message according to the notification information to determine a matching manner.
  • the terminal does not receive the notification information from the network side, for example, when the notification information is not included in the handover command, the MIB message is received by default in the non-eMTC manner.
  • the terminal may receive the MIB message in the following manner:
  • the terminal receives the MIB message according to the receiving manner that matches the transmission mode of the notification. For example, the notification When the sending mode is the eMTC sending mode, the terminal uses the eMTC receiving mode to receive. When the notification is sent in the non-eMTC transmission mode, the terminal uses the non-eMTC receiving mode to receive.
  • the notification information is used to notify the terminal that the target cell supports the eMTC, and the terminal supports the eMTC, the MIB message is received according to the eMTC receiving mode, and the eMTC receiving mode is the receiving mode that matches the eMTC sending mode.
  • the notification information is used to notify the terminal that the target cell supports the eMTC, and the terminal does not support the eMTC
  • the MIB message is received according to the non-eMTC receiving mode
  • the non-eMTC receiving mode is the receiving mode that matches the non-eMTC sending mode.
  • the network side may not send the notification information.
  • the terminal does not support the eMTC, and directly receives the MIB message according to the non-eMTC receiving manner.
  • the network side does not consider the terminal's support for the eMTC, the terminal knows that it does not support the eMTC, and the terminal can directly receive the MIB message according to the non-eMTC receiving mode, regardless of the target cell pair. eMTC support.
  • the terminal receives the MIB message according to the non-eMTC receiving mode.
  • the terminal can learn that the target cell does not support the eMTC, and therefore receives the MIB message by using the non-eMTC receiving mode.
  • the MIB message is received by default in the non-eMTC manner, which can save signaling.
  • the MIB message may be received according to the notification information in a receiving manner that matches the manner in which the MIB message is sent in the target cell.
  • the target cell supports eMTC and the terminal also supports eMTC
  • a certain merge gain is obtained by repeatedly receiving the MIB message, thereby improving the success rate of the handover.
  • the terminal does not support the eMTC, and the target cell supports the eMTC, the negative gain caused by the mismatch between the MIB message receiving mode and the sending mode is reduced, and the success rate of the switching is improved.
  • the message can be directly exchanged between the source base station and the target base station, and the switching based on the X2 interface is referred to as X2 handover.
  • the message interaction between the source base station and the target base station can be implemented through the core network, because the interface between the base station and the core network is called the S1 interface.
  • the switching based on the S1 interface is called S1 switching.
  • FIG. 5 is a message transmission process in a cell handover process according to an embodiment of the present application.
  • the source base station and the target base station are connected through an X2 interface, that is, the handover is based on the X2 interface-based handover.
  • the method includes:
  • step S510 The terminal reports the measurement report to the source base station. After receiving the measurement report, the source base station performs the following step S520.
  • the source base station performs a handover decision according to the received measurement report. For example, the source base station determines that the signal quality of the target cell is better than the serving cell according to the measurement report reported by the terminal, and therefore determines that the terminal is handed over from the source cell to the target cell, and then initiates the handover, and performs the following step S530.
  • the source base station sends a handover request message to the target base station.
  • the handover request message may include information about whether the terminal supports eMTC.
  • the source base station acquires capability information of the terminal from the terminal, and the capability information of the terminal includes whether the terminal supports the eMTC.
  • the source base station transmits whether the terminal supports the eMTC to be sent to the target base station in the handover request message.
  • the handover request message may also not carry information about whether the terminal supports eMTC.
  • the source base station itself determines whether the terminal supports the eMTC, and sends the notification information if the terminal supports the eMTC. It is similar to the above embodiment, and details are not described herein again.
  • the information of whether the terminal carries the eMTC in the handover request message is taken as an example.
  • the target base station After receiving the handover request message sent by the source base station, the target base station performs the following step S540.
  • the target base station generates a handover request acknowledgement message according to the support situation of the target cell to the eMTC.
  • a handover request acknowledgement message is generated.
  • the indication information is carried in the handover request acknowledgement message, where the indication information is generated according to the support situation of the target cell to the eMTC, and is used to indicate whether the target cell supports the eMTC or is used to indicate the sending manner of the MIB message in the target cell.
  • the target base station may generate the foregoing indication information when the terminal supports the eMTC, and carry the indication information in the handover request acknowledgement message.
  • step S550 is performed.
  • the target base station sends a handover request acknowledgement message to the source base station, where the handover request acknowledgement message includes the indication information.
  • the source base station After receiving the handover request acknowledgement message sent by the target base station, the source base station performs the following step S560.
  • the source base station sends a handover command to the terminal, where the handover command includes the foregoing indication information. After receiving the handover command, the terminal performs the following step S570.
  • S570 The terminal selects and matches the MIB message sending manner in the target cell according to the indication information.
  • the receiving mode receives the MIB message.
  • the description is performed by taking the source base station in the handover command to forward the indication information to notify the terminal whether the target cell supports the eMTC.
  • the description is performed by taking the source base station in the handover command to forward the indication information to notify the terminal whether the target cell supports the eMTC.
  • the source base station directly forwards the indication information of the target base station to the terminal as the notification information, and the terminal may learn, according to the indication information, the support situation of the target cell to the eMTC or the sending of the MIB message in the target cell.
  • the MIB message can be received in a matching MIB message receiving manner, and the success rate of the handover after the introduction of the eMTC technology is improved, and signaling is saved.
  • the source cell and the target cell shown in the embodiment of FIG. 5 belong to different base stations, that is, the source cell corresponds to the source base station, and the target cell corresponds to the target base station.
  • the source cell and the target cell may also belong to the same base station, and the source cell is switched to the target cell in the same base station, as shown in FIG. 6, the specific steps S610 to S670 are the same as step S510 shown in FIG.
  • the message interaction between the cells at this time may be implemented by intra-site interaction, for example, the interaction between the handover request message and the handover request acknowledgement message may be implemented by intra-site interaction.
  • the above intra-station interaction process may also be omitted, that is, S630 to S650 are omitted.
  • the base station When the base station determines to switch the terminal from the source cell to the target cell, and the target cell is the cell under the base station, the base station supports the eMTC according to the target cell.
  • a handover command is generated, where the handover command includes notification information or indication information, which is the same as described above, and sends a handover command to the terminal.
  • FIG. 7 is a schematic diagram of another method for transmitting information in a cell handover process according to an embodiment of the present application.
  • the source base station and the target base station communicate through the core network device, that is, the handover is based on the S1 interface switching.
  • the method is different from the embodiment shown in FIG. 5 in that the message exchanged between the source base station and the target base station is forwarded by the core network device, and the core network device may be, for example, a Mobility Management Entity (MME).
  • MME Mobility Management Entity
  • the method includes:
  • step S710 The terminal reports the measurement report to the source base station. After receiving the measurement report, the source base station performs the following step S720.
  • step S720 The source base station performs a handover decision according to the received measurement report. For details, refer to the above embodiments, and details are not described herein again. When it is determined that the terminal is handed over from the source cell to the target cell, the following step S730 is performed.
  • the source base station sends a handover required message to the core network device.
  • the handover requirement message is used to inform the core network of the information of the target cell that needs to be handed over, and is used by the core network to request the target cell to prepare resources for the terminal.
  • the handover request message is the same as the above handover request message, and may also include terminal capability information for informing the core network device terminal whether the eMTC is supported.
  • the terminal capability information may not be included in the handover request message, and the information including whether the terminal supports the eMTC is taken as an example.
  • the core network device After receiving the handover requirement message, the core network device performs the following step S740.
  • the core network device sends a handover request message to the target base station according to the handover requirement message. After receiving the handover request message, the target base station performs the following step S750.
  • the handover request message may include information about whether the terminal supports the eMTC, or may not include information about whether the terminal supports the eMTC.
  • the target base station generates a handover request acknowledgement message when the terminal can be served, that is, when the terminal can be received. Otherwise, a failure response is generated.
  • the handover request acknowledgement message includes the indication information, which is the same as the description of the foregoing embodiment, and details are not described herein again.
  • step S760 is performed.
  • the target base station sends a handover request acknowledgement message to the core network device, where the handover request acknowledgement message includes indication information.
  • the core network device After receiving the handover request acknowledgement message sent by the target base station, the core network device performs the following step S770.
  • the core network device sends a handover command to the source base station.
  • the switching command includes the above indication information.
  • the source cell After receiving the switching command, the source cell performs the following step S780.
  • the source base station sends the handover command to the terminal, and notifies the terminal to switch to the target cell.
  • the switching command includes indication information. After receiving the indication information, the terminal performs the following step S790.
  • S790 The terminal receives the MIB message according to the indication information.
  • the description of the above embodiment is not repeated herein.
  • the description of the indication information and the notification information and the manner in which the terminal receives the MIB message are also the same as the above embodiments, and will not be described.
  • the source base station directly forwards the indication information of the target base station to the terminal as the notification information, and the terminal can learn the support situation of the target cell to the eMTC or the MIB message in the target cell according to the indication information.
  • the sending mode so that the matching MIB message receiving manner can be used to receive the MIB message, and the handover success after the introduction of the eMTC technology is improved. Rate and save signaling.
  • an apparatus for performing the method performed by the terminal in the above embodiment includes means for performing each step in the method performed by the above terminal, and a description of the steps performed by each unit can be referred to the above embodiment.
  • the apparatus for performing the method performed by the source base station or the target base station in the above embodiment includes units for performing each step in the method of performing the above source base station or target, and the description of the steps performed by each unit may refer to the above. Example.
  • FIG. 8 is a schematic structural diagram of an information transmission apparatus 800 according to an embodiment of the present application.
  • the apparatus 800 is used for a terminal, and includes a receiving unit 810 and a processing unit 820.
  • the receiving unit 810 is configured to receive notification information from the network side.
  • the notification information is used to notify the terminal whether the target cell supports the eMTC or notifies the sending manner of the MIB message in the target cell of the terminal.
  • the processing unit 820 is configured to, when the receiving unit 810 receives the handover command from the network side, control the receiving unit 810 to receive the MIB message according to the notification information.
  • the handover command is used to indicate that the terminal switches from the source cell to the target cell.
  • the processing unit 820 can learn whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell, so that the terminal receives the MIB message sent by the target cell by using the matched receiving manner, and improves the introduction.
  • the success rate of switching after eMTC technology is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to the notification information received by the receiving unit 810, the processing unit 820 can learn whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell, so that the terminal receives the MIB message sent by the target cell by using the matched receiving manner, and improves the introduction.
  • the success rate of switching after eMTC technology is not limited to, the notification information received by the receiving unit 810, the processing unit 820 can learn whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell, so that the terminal receives the MIB message sent
  • the handover command received by the receiving unit 810 may carry the notification information.
  • the terminal when receiving the handover command, the terminal can learn the support situation of the target cell to the eMTC or the mode of sending the MIB message in the target cell, so as to receive the MIB message sent by the target cell by using the matched receiving mode, and improve the introduction of the eMTC technology.
  • the success rate of handover and saving signaling may carry the notification information.
  • the notification information received by the receiving unit 810 may include two forms: one is indication information from the target base station forwarded by the source base station; and the other is a notification generated by the source base station according to the indication information from the target base station.
  • the information is the same as the two modes (method 1 and mode 2) of the embodiment shown in FIG. 4, and details are not described herein again.
  • processing unit 820 controls the receiving unit 810 to receive the MIB message according to the notification information.
  • the manner in which the receiving unit 810 specifically receives the MIB message is the same as the embodiment shown in FIG. 4, and details are not described herein again.
  • the receiving unit herein may be a transceiver of the terminal, and the processing unit may be The processor of the terminal.
  • the processor may be one or more integrated circuits implementing the above methods, such as one or more Application Specific Integrated Circuits (ASICs), or one or more digital singnal processors (DSPs). Or, one or more Field Programmable Gate Arrays (FPGAs), and the like.
  • ASICs Application Specific Integrated Circuits
  • DSPs digital singnal processors
  • FPGAs Field Programmable Gate Arrays
  • the processor may be a general purpose processor, such as a central processing unit (CPU) or other processor that can call a program.
  • the processor can be implemented in the form of a system-on-a-chip (SOC).
  • FIG. 9 is a schematic structural diagram of an information transmission apparatus 900 according to an embodiment of the present application.
  • the apparatus 900 is used for a source base station, and includes a first interface unit 910, a processing unit 920, and a second interface unit 930.
  • the first interface unit 910 is configured to send a handover request message to the target base station, or trigger the core network device to send a handover request message to the target base station, and receive the indication information that is sent by the target base station in response to the handover request message.
  • the indication information is used to indicate whether the target cell supports the eMTC or is used to indicate the manner in which the MIB message is sent in the target cell.
  • the processing unit 920 is configured to determine to handover the terminal from the source cell to the target cell, and send a handover request message to the target base station by using the first interface unit 910.
  • the processing unit 920 is further configured to notify, by using the second interface unit 930, whether the target cell supports the eMTC or the sending manner of the MIB message in the target cell according to the indication information received by the first interface unit 910.
  • the device 900 can notify the terminal whether the target base station supports the eMTC or the sending manner of the MIB message in the target cell, so that the terminal can receive the MIB message by using the matching receiving manner, thereby improving the probability of successful handover and reducing the handover delay.
  • the first interface unit 910 when the first interface unit 910 is configured to send a handover request message to the target base station and is used to receive the indication information that is sent by the target base station in response to the handover request message, the first interface unit 910 may be an X2 interface; The interface unit 910 is configured to trigger the core network device to send the handover request message to the target base station, and the first interface unit 910 can be the S1 interface.
  • the processing unit 920 sends a handover command to the terminal by using the second interface unit 930.
  • the description of the handover command is the same as the above embodiment, and may include notification information to save signaling.
  • the switching command may also not include the notification information.
  • the processing unit 920 notifies the terminal target cell through the second interface unit 930.
  • the manner of supporting the transmission mode of the MIB message in the eMTC or the target cell includes: one is that the source base station forwards the indication information as the notification information to the terminal, and the other is that the source base station generates the notification information according to the indication information, which is implemented as shown in FIG. The two methods of the example (method 1 and mode 2) are not described here.
  • the sending of the foregoing indication information or the notification information may be triggered when the terminal supports the eMTC to save signaling.
  • the target base station can determine whether the terminal supports the eMTC.
  • the handover request message carries information about whether the terminal supports the eMTC, and the target base station can determine whether the terminal supports the eMTC according to whether the terminal supports the information of the eMTC.
  • the target base station sends the indication information to the source base station, so that the first interface unit 910 can receive the indication information.
  • the indication information is sent to the source base station, so that the first interface unit 910 can receive the indication information.
  • the indication information indicates that the target cell supports eMTC or The mode in which the MIB message is sent in the target cell is eMTC.
  • whether the terminal supports the eMTC may also be determined by the source base station, and if the source base station supports the eMTC, the source base station notifies the target target cell whether to support the eMTC or the manner in which the MIB message is sent in the target cell. Further, the source base station may determine that the terminal supports the eMTC and determines that the target cell supports the eMTC according to the indication information, and notifies the target target cell to support the eMTC or the sending mode of the MIB message in the target cell is the eMTC mode.
  • the first interface unit herein may be a communication interface between the base stations (for example, an X2 interface) or a communication interface (for example, an S1 interface) between the base station and the core network.
  • the processing unit can be a processor of the base station.
  • the processor may be one or more integrated circuits implementing the above methods, such as one or more ASICs, or one or more DSPs, or one or more FPGAs or the like.
  • the processor can be a general purpose processor, such as a CPU or other processor that can invoke the program.
  • the processor can be implemented in the form of a SOC.
  • FIG. 10 is a schematic structural diagram of an information transmission apparatus 1000 according to an embodiment of the present application.
  • the apparatus 1000 is used for a target base station, including an interface unit 1010 and a processing unit 1020.
  • the interface unit 1010 is configured to receive a handover request message.
  • the handover request message is used to request to handover the terminal from the source cell to the target cell.
  • the processing unit 1020 is configured to send the indication information to the source base station through the interface unit 1010 in response to the handover request message.
  • the indication information is used to indicate whether the target cell supports the eMTC or is used to indicate the manner in which the MIB message is sent in the target cell.
  • the processing unit 1020 sends the indication information to the source base station through the interface unit 1010. Further, the source base station is used to notify the terminal of the eMTC support situation of the target cell or the manner of sending the MIB message in the target cell. The terminal adopts the supported mode of the eMTC of the target cell or the manner of sending the MIB message in the target cell, thereby adopting a matching MIB message acceptance mode, thereby improving the probability of successful handover and reducing the handover delay.
  • the handover request message received by the interface unit 1010 may carry information about whether the terminal supports the eMTC, so that the processing unit 1020 sends the indication information when determining that the terminal supports the eMTC, so as to reduce signaling during the handover process.
  • the handover request message may also not carry information about whether the terminal supports eMTC.
  • the sending of the foregoing indication information may be triggered only when the target base station determines that the terminal supports the eMTC, so as to save signaling.
  • the indication information is sent.
  • the indication information is sent, and the indication information is used to indicate that the target cell supports the eMTC or the sending manner of the MIB message in the target cell is the eMTC mode.
  • the above small information transmission device is only an example, and the present application does not limit this.
  • the terminal receives the MIB message according to the notification information on the network side, it belongs to the protection scope of the present application.
  • the description of the communication information is the same as the above embodiment, and details are not described herein again.
  • the foregoing interface unit may be a communication interface between the base stations (for example, an X2 interface); when the target base station sends the indication information to the source base station through the core network device.
  • the above interface unit is a communication interface (for example, an S1 interface) between the base station and the core network.
  • the processing unit can be a processor of the base station.
  • the processor may be one or more integrated circuits implementing the above methods, such as one or more ASICs, or one or more DSPs, or one or more FPGAs or the like.
  • the processor when the above processing unit is implemented in the form of a scheduler, the processor can be a general purpose processor, such as a CPU or other processor that can invoke the program.
  • the processor can be implemented in the form of a SOC.
  • FIG. 11 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • the terminal includes: a processor 1110, and a memory. 1120.
  • Transceiver 1130 can be connected to an antenna.
  • the memory 1120 is configured to store program code for implementing the above method embodiment, and the processor 1110 calls the program code to perform the operations of the above method embodiments. It can be seen that the above receiving unit 810 can be implemented by the transceiver device 1130, and the processing unit 820 is implemented by the processor 1110.
  • FIG. 12 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • the base station includes a processor 1210, a memory 1220, a transceiver 1230, and a communication interface 1240.
  • the transceiver 1230 can be coupled to an antenna.
  • the memory 1220 is configured to store program code for implementing the above method embodiment, and the processor 1210 calls the program code to perform the operations of the above method embodiments.
  • the processor 1210 is configured to implement the processing unit 920; the transceiver device 1230 is configured to implement the second interface unit 930; the communication interface is an interface between the base station and the base station or an interface between the base station and the core network device.
  • the first interface unit 910 is implemented.
  • the processor 1210 is configured to implement the processing unit 1020.
  • the communication interface is an interface between the base station and the base station or an interface between the base station and the core network device, and is used to implement the interface unit 1010.
  • the transceiver 1230 is configured to communicate with the terminal.
  • 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 computer.
  • computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure.
  • connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave
  • coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the associated media.

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Abstract

本申请实施例涉及通信技术领域，并且更具体地，本申请实施例提供的小区切换过程中的的信息传输方法和装置，用于减少终端接收MIB消息的方式与目标基站发送MIB消息的方式不匹配而导致切换失败几率增加的问题。在切换过程中，即终端接收目标基站的MIB消息之前，网络侧通知终端目标小区的eMTC支持情况或者目标小区中MIB消息的发送方式，以便终端按照对应的方式接收MIB消息，与目标基站发送MIB消息的方式相匹配，从而提高切换成功的概率，减少切换时延。

Description

小区切换过程中的信息传输方法和装置 技术领域
本申请实施例涉及通信技术领域，并且更具体地，涉及小区切换过程中的信息传输方法和装置。
背景技术
随着物联网的迅速发展，增强机器类型通信(enhanced Machine Type Communication，eMTC)作为物联网的关键技术，受到运营商的高度关注。eMTC是万物互联技术的一个重要分支，基于长期演进(Long Term Evolution，LTE)技术演进而来，现网基站通过软件升级可以实现快速部署，更加适合物与物之间的通信，也节约了成本。
eMTC通过重复技术来达到覆盖增强的目的。其中，重复技术主要应用在物理广播信道信道(physical broadcast channel，PBCH)、下行共享物理信道广播信道(physical downlink shared channel broadcast channel，PDSCH-BCH)。支持eMTC技术的小区在PBCH、PDSCH-BCH或者其他信道上重复的发送主信息块(master information block，MIB)消息、系统信息块类型一(system information block type 1，SIB1)消息等。eMTC技术通过在MIB消息中新增信元(如schedulingInfoSIB1-BR-r13信元)指示小区支持eMTC，没有此新增信元表明小区不支持eMTC。
在引入eMTC技术后，在目前的切换过程中，目标小区也采用在MIB消息中新增信元指示目标小区支持eMTC的方式通知终端目标小区是否支持eMTC，然而这种方式并不利于终端的切换，甚至会降低切换的成功率。
发明内容
本申请实施例提供小区切换过程中的信息传输方法和装置，以期提高引入eMTC技术后切换的成功率。
第一方面，提供了一种小区切换过程中的的信息传输方法，包括：
终端从网络侧接收通知信息，其中，通知信息用于通知终端目标小区是否支持eMTC或者用于通知终端目标小区中MIB消息的发送方式；当终端从网络侧接收到切换命令时，终端根据通知信息接收MIB消息，其中，切 换命令用于指示终端从源小区切换到目标小区。
该MIB消息为目标基站在目标小区中发送的MIB消息。
通知信息可以由网络侧独立于切换命令发送给终端，也可以载于切换命令中发送给终端。当切换命令携带通知信息时，可以在发送切换命令时即通知终端目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式，从而节约信令。
通知信息可以是源基站转发的来自目标基站的指示信息。或者，通知信息可以由源基站根据来自目标基站的指示信息生成并发送给终端。以上指示信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式。
终端根据通知信息接收MIB消息包括以下几种方式：
1)当通知信息用于通知终端目标小区中MIB消息的发送方式时，终端按照与通知的发送方式相匹配的接收方式接收MIB消息。例如，通知的发送方式为eMTC发送方式时，终端采用eMTC接收方式进行接收。通知的发送方式为非eMTC发送方式时，终端采用非eMTC接收方式进行接收。
2)当通知信息用于通知终端目标小区支持eMTC，且终端支持eMTC时，按照eMTC接收方式接收MIB消息，eMTC接收方式为与eMTC发送方式相匹配的接收方式。
3)当通知信息用于通知终端目标小区支持eMTC，且终端不支持eMTC时，按照非eMTC接收方式接收MIB消息，非eMTC接收方式为与非eMTC发送方式相匹配的接收方式。
可选的，在终端不支持eMTC的时候，网络侧可以不下发通知信息。此时，终端不支持eMTC，直接按照非eMTC接收方式接收MIB消息。当然，如果网络侧不考虑终端对eMTC的支持情况，不管终端支不支持eMTC都下发通知信息时，终端知道自身不支持eMTC，可以直接按照非eMTC接收方式接收MIB消息，无需考虑目标小区对eMTC的支持情况。
4)当通知信息用于通知终端目标小区不支持eMTC时，终端按照非eMTC接收方式接收MIB消息。当终端支持eMTC时，终端可以获知目标小区不支持eMTC，因此采用非eMTC接收方式接收MIB消息。
其中，非eMTC发送MIB消息的方式，是一种在一个周期内多个系统帧上重复发送MIB消息的方法，且每个系统帧内只在一个子帧上发送MIB 消息。eMTC发送MIB消息的方式，是一种系统帧内在多于一个子帧上重复发送MIB消息的方式。此外，子帧内还可以在符号级别上重复发送MIB消息。
第二方面，提供了一种小区切换过程中的的信息传输方法，包括：
源基站确定将终端从源小区切换到目标小区，并向目标基站发送切换请求消息或触发核心网设备向目标基站发送切换请求消息；源基站接收目标基站响应于切换请求消息而发送的指示信息，其中，指示信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式；源基站根据指示信息，通知终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。其中，所述源基站为所述源小区所在的基站，所述目标基站为所述目标小区所在的基站。
源基站通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式可以采用以下方法：源基站向终端发送切换命令，切换命令携带通知信息，该通知信息用于通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。如此，可以在发送切换命令时即通知终端目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式，从而节约信令
源基站根据指示信息，通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式包括：源基站将指示信息作为通知信息转发给终端，用该指示信息通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。或者，源基站根据指示信息生成通知信息，该通知信息用于通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。
在以上方法中，可以在终端支持eMTC的情况下才触发以上指示信息或通知信息的发送，以节约信令。
例如，可以通过目标基站确定终端是否支持eMTC。此时，切换请求消息中携带终端是否支持eMTC的信息，目标基站可以根据终端是否支持eMTC的信息确定终端是否支持eMTC。在终端支持eMTC时，目标基站才将指示信息发送给源基站。进一步，当目标基站可以在确定终端支持eMTC且目标小区支持eMTC时，才将指示信息发送给源基站，此时，指示信息指示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。
再如，终端是否支持eMTC也可以由源基站确定，且源基站在终端支持eMTC的情况下，通知终端目标小区是否支持eMTC或者目标小区中MIB 消息的发送方式。进一步的，源基站可以确定终端支持eMTC且根据指示信息确定目标小区支持eMTC时，通知终端目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。
第三方面，提供了一种小区切换过程中的的信息传输方法，包括：
目标基站接收切换请求消息；目标基站响应于切换请求消息向源基站发送指示信息，该指示信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式。
其中，切换请求消息用于请求将终端从源小区切换到目标小区。源基站为源小区所在的基站，目标基站为目标小区所在的基站。
在以上方法中，可以在终端支持eMTC的情况下才触发以上指示信息的发送，以节约信令。例如，切换请求消息中携带终端是否支持eMTC的信息，且目标基站根据终端是否支持eMTC的信息确定终端是否支持eMTC。在目标基站确定终端支持eMTC的情况下才触发以上指示信息的发送，以节约信令。例如，当终端支持eMTC时，目标基站发送指示信息。再如，当目标基站确定终端支持eMTC，且目标小区支持eMTC时，目标基站发送指示信息，且该指示信息用于指示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。
第四方面，一种小区切换过程中的的信息传输装置，用于终端，包括用于执行以上第一方面各个步骤的单元或者手段(means)。
第五方面，一种小区切换过程中的的信息传输装置，用于源基站或目标基站，包括用于执行以上第二方面或第三方面各个步骤的单元或者手段(means)。
第六方面，提供了一种终端，包括处理器和存储器，存储器用于存储程序，处理器调用存储器存储的程序，以执行以上第一方面中提供的方法。
第七方面，提供了基站，包括处理器和存储器，存储器用于存储程序，处理器调用存储器存储的程序，以执行以上第二方面或者第三方面中提供的方法。
第八方面，提供了一种终端，包括用于执行以上第一方面的方法的至少一个处理元件或芯片。
第九方面，提供了一种基站，包括用于执行以上第二方面或者第三方面的方法的至少一个处理元件或芯片。
第十方面，提供了一种程序，该程序在被处理器执行时用于执行以上第一至第三方面任一方面的方法。
第十一方面，提供了一种计算机可读存储介质，包括第十方面的程序。
可见，本申请实施例提供了小区切换过程中的的信息传输方法和装置，可以减少终端接收MIB消息的方式与目标基站发送MIB消息的方式不匹配而导致切换失败几率增加的问题。在切换过程中，在终端接收目标基站的MIB消息之前，网络侧通知终端目标小区的eMTC支持情况或者目标小区中MIB消息的发送方式，以便终端按照对应的方式接收MIB消息，与目标基站发送MIB消息的方式相匹配，从而提高切换成功的概率，减少切换时延。
附图说明
图1是本申请实施例提供的一种无线通信系统的示意图；
图2是本申请实施例提供的一种MIB消息发送方式的示意图；
图3是本申请实施例提供的另一种MIB消息发送方式的示意图；
图4是本申请实施例提供的一种小区切换过程中的的信息传输方法的示意图；
图5是本申请实施例提供的一种小区切换过程中的的信息传输方法的示意图；
图6是本申请实施例提供的另一种小区切换过程中的的信息传输方法的示意图；
图7是本申请实施例提供的另一种小区切换过程中的的信息传输方法的示意图；
图8是本申请实施例提供的一种信息传输装置800的结构示意图；
图9是本申请实施例提供的一种信息传输装置900的结构示意图；
图10是本申请实施例提供的一种信息传输装置1000的结构示意图；
图11是本申请实施例提供的一种终端的结构示意图；
图12是本申请实施例提供的一种基站的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。
基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
1)、终端，又称之为用户设备(User Equipment，UE)，是一种向用户提供语音和/或数据连通性的设备，例如，具有无线连接功能的手持式设备、车载设备等。常见的终端例如包括：手机、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device，MID)、可穿戴设备，例如智能手表、智能手环、计步器等。
2)、基站，又称为无线接入网(Radio Access Network，RAN)设备是一种将终端接入到无线网络的设备，包括但不限于：演进型节点B(evolved Node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(Base Station Controller，BSC)、基站收发台(Base Transceiver Station,BTS)、家庭基站(例如，Home evolved NodeB，或Home Node B，HNB)、基带单元(BaseBand Unit，BBU)。此外，还可以包括Wifi接入点(Access Point，AP)等。
3)、“多个”是指两个或两个以上。“和/或”，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。字符“/”一般表示前后关联对象是一种“或”的关系。
以上，对本申请中的部分用语进行解释说明，便于本领域技术人员理解。下面结合附图对本申请实施例进行描述。
请参考图1，其为本申请实施例提供的一种无线通信系统的示意图。如图1所示，该通信系统包括基站110，基站120和终端130。基站110的小区cell1为源服务小区(简称源小区)，服务于终端130。当终端130从源小区cell1移动到目标小区cell2时，终端130的服务需要切换到目标小区cell2。需要说明的是，cell1和cell2也可以属于同一个基站，此处只是示例。
为了方便论述，本申请中以下实施例中将源小区所在的基站称为源基站，如图1中基站110。目标小区所在的基站称为目标基站，如图1中基站120。
目前，网络侧通过在MIB消息中新增信元指示小区是否支持eMTC。当终端130由源小区cell1向目标小区cell2切换时，需要先接收到目标小区cell2的MIB消息才能知道目标小区是否支持eMTC，然而终端130在没有收到目标小区cell2的MIB消息之前并不知道目标小区cell2是否支持eMTC。如果 终端130不采用eMTC的方式重复接收MIB消息，则在目标小区支持eMTC的情况无法获得合并增益，在弱覆盖的场景下，不利于切换。如果终端130采用eMTC的方式重复接收MIB消息，在目标小区不支持eMTC的情况下，网络侧没有按eMTC方式重复发送MIB消息，可能会造成负增益。可见，终端在不知道目标小区是否支持eMTC时，如果终端接收MIB消息的方式与目标小区中MIB消息的发送方式不匹配，切换失败的几率增加，也会增加切换时延，影响用户体验。
有鉴于此，为了减少终端接收MIB消息的方式与目标基站发送MIB消息的方式不匹配而导致切换失败几率增加的问题，本申请实施例提供了小区切换过程中的的信息传输方法和装置。在切换过程中，即终端接收目标基站的MIB消息之前，网络侧通知终端目标小区的eMTC支持情况或者目标小区中MIB消息的发送方式，以便终端按照对应的方式接收MIB消息，与目标基站发送MIB消息的方式相匹配，从而提高切换成功的概率，减少切换时延。
本申请实施例中，MIB消息的发送方式包括：eMTC发送方式和非eMTC发送方式。下面结合图2和图3描述这两种方式。
请参考图2，其示出了本申请实施例提供的一种非eMTC发送方式的示意图。在此，以基于LTE模式发送MIB消息为例。如图2所示，在本实施例中，非eMTC发送方式是以40ms为一个周期，该周期包括4个系统帧，每个系统帧内发送1次MIB消息，则一个周期内发送4次MIB消息。在系统帧满足系统帧号模4为0的系统帧上第一次传输MIB消息，同一周期内剩余的系统帧用于重复传输第一次传输的MIB消息。例如，图2中系统帧号为0的系统帧满足模4为0的条件，则可以在该系统帧上第一次传输MIB消息，如MIB1，并在0号系统帧所在的周期内的系统帧1，2，和3上3次重复传输MIB1。再如，系统帧号为4的系统帧满足模4为0的条件，则可以在该系统帧上第一次传输MIB消息，如MIB2，并在4号系统帧所在的周期内的系统帧5，6，和7上3次重复传输MIB2。对于其它满足模4为0的系统帧上MIB消息的传输及它们所在周期内剩余系统帧上MIB消息的传输与上面所描述的类似，在此不再赘述。
在信道质量足够好的情况下，终端可能只接收一个周期内的其中一次传输的MIB消息，就能够成功解出MIB消息。如果信道质量较差，终端就会 将一个周期内接收到的MIB消息依次进行合并，再进行解码，直到成功解出MIB消息。
需要说明的是，同一个周期内的MIB消息是相同的，不同周期内的MIB消息可以是不同的。
可见，非eMTC发送MIB消息的方式，是一种在一个周期内多个系统帧上重复发送MIB消息的方法，且每个系统帧内只在一个子帧上发送MIB消息。
请参考图3，其示出了本申请实施例提供的一种eMTC发送方式的示意图。在此，以基于eMTC方式发送MIB消息为例。如图3所示，相对于图2中的非eMTC发送方式，在传输MIB消息的系统帧上，增加子帧用于重复发送MIB消息。例如，在本实施例中，不仅在0号子帧上发送MIB消息，还增加了9号子帧用于重复发送MIB消息。进一步的，可以在9号子帧符号级别上重复的发送MIB消息。采用eMTC发送方式，可以适应信道质量较差的环境，通过更多的重复来获取更大的合并增益，从而达到增强覆盖的目的。
可见，eMTC发送MIB消息的方式，是一种系统帧内在多于一个子帧上重复发送MIB消息的方式。此外，子帧内还可以在符号级别上重复发送MIB消息。
需要说明的是，图2或者图3只是示例了非eMTC发送方式或者eMTC发送方式，对上述具体数值不做限制，如周期长、重复次数、重复的帧号、子帧号等。
请参考图4，其为本申请实施例提供的一种小区切换过程中的信息传输方法的流程图，该方法包括以下步骤：
S410：源基站确定将终端从源小区切换到目标小区，并向目标基站发送切换请求消息。其中，切换请求消息用于请求将终端从源小区切换到目标小区。
如此，目标基站可以接收源基站发送的切换请求消息。
当源基站与目标基站之间没有直接连接时，源基站可以触发核心网设备向目标基站发送切换请求消息。如图中步骤S410’。此时，目标基站可以接收核心网设备发送的切换请求消息。
S420：目标基站接收切换请求消息后，响应于该切换请求消息向源基站 发送指示信息。
其中，指示信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式(eMTC发送方式或者非eMTC发送方式)。
目标基站可以直接向源基站发送指示信息，也可以通过核心网设备向源基站发送指示信息。例如，当源基站与目标基站之间没有直接连接时，切换请求消息是由核心网设备向目标基站发送时，目标基站可以将指示信息发送给核心网设备，核心网设备将指示信息转发给源基站。如图中步骤S420’。
如此，源基站可以接收目标基站发送的指示信息。
S430：源基站根据接收到的指示信息，通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。即，向终端发送通知信息，用于通知终端目标小区是否支持eMTC或者用于通知终端目标小区中MIB消息的发送方式。
如此，终端可以接收到源基站发送的通知信息，该通知信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式。
S440：终端在收到源基站发送的切换命令时，根据通知信息接收MIB消息。
可见，在以上实施例中，网络侧在切换过程中就已经通知了终端目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式。如此，终端在接收到切换命令时，便可以知道目标小区是否支持eMTC或者目标小区中MIB消息的发送方式，进而采用相匹配的方式接收MIB消息，提高了MIB消息接收的成功率，从而提高了切换的成功率。
需要说明的是，通知信息可以由网络侧独立于切换命令发送给终端，也可以载于切换命令中发送给终端。将通知信息载于切换命令中，可以减少切换过程中的信令。总之，通知信息可以载于切换命令中，还可以在其他消息中传输，或者单独传输，此处不做限制。
在以上步骤S410或者S410’中，源基站可以根据终端上报的测量报告，来确定将终端从源小区切换到目标小区。例如，终端在接入源基站之后，源基站可以为终端配置测量策略，终端根据源基站的配置进行测量和上报。源基站接收到终端上报测量报告，可以根据策略报告进行切换判决，例如，当发现目标小区的信号质量更好时，可以确定将终端切换到目标小区。进而向目标基站发送切换请求消息或触发核心网设备发送切换请求消息。
当源基站和目标基站之间直接连接时，例如通过X2接口连接时，源基站可以将切换请求消息直接发送给目标基站。当源基站和目标基站之间没有直接连接时，源基站可以触发核心网设备将切换请求消息发送给目标基站。这将在后续实施例中详细加以描述。
可选的，切换请求消息携带终端是否支持eMTC的信息。终端可以将自己的能力信息上报给源基站，该能力信息可以携带终端是否支持eMTC的信息。源基站进一步的可以在切换请求消息中携带终端是否支持eMTC的信息，以通知目标基站终端对eMTC的支持情况，或者源基站可以将终端是否支持eMTC的信息发送给核心网设备，核心网设备在切换请求消息中携带终端是否支持eMTC的信息，以通知目标基站终端对eMTC的支持情况。如此，目标基站可以在终端支持eMTC时才下发指示信息，如此，可以节约信令。
当然，源基站也可以不在切换请求消息中携带终端是否支持eMTC的信息，或者源基站可以不将终端是否支持eMTC的信息发送给核心网设备。目标基站不管终端是否支持eMTC，都将目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式发送给源基站。
在以上步骤S420或者S420’中，目标基站接收到切换请求消息时，获知源基站要将终端切换到目标基站，目标基站确定自己可以为终端提供服务时，为终端准备好资源，并发送响应消息给源基站或核心网设备，其中该响应消息又可以称为切换请求确认消息。此时，可以将指示信息携带在响应消息中，告知源基站目标小区是否支持eMTC或者目标小区中MIB消息的发送方式，以便源基站通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。
在切换请求消息携带终端是否支持eMTC的信息时，目标基站可以根据终端是否支持eMTC的信息，确定终端支持eMTC时，生成携带指示信息的响应消息；否则，生成不携带指示信息的响应消息。而后，将响应消息发送给源基站或核心网设备；即目标基站在确定终端支持eMTC时，发送指示信息，否则不发送指示信息。在切换请求消息中不携带终端是否支持eMTC的信息。目标基站不考虑终端对eMTC的支持情况，只根据目标小区对eMTC的支持情况，生成携带指示信息的响应消息，并发送给源基站或核心网设备；即目标基站不考虑终端对eMTC的支持情况，直接发送指示信息。以上目标基站将指示信息发送给核心设备时，由核心网设备将指示信息转发给源基站。
可选的，该指示信息可以为1bit信元，当其取值为“0”时，表示目标小区不支持eMTC或者目标小区中MIB消息的发送方式为非eMTC方式；当其取值为“1”时，表示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。当然，也可以反过来，当其取值为“1”时，表示目标小区不支持eMTC或者目标小区中MIB消息的发送方式为非eMTC方式；当其取值为“0”时，表示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。此处，仅为举例，本申请对指示信息的形式不做限制。
可选的，目标基站还可以仅在终端支持eMTC且目标小区也支持eMTC时，才发送指示信息。也就是说，目标基站仅在终端支持eMTC且目标小区也支持eMTC时，才通知源基站自己对eMTC的支持情况，此时，指示信息用于指示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。如此，可以进一步节约信令。
当源基站和目标基站之间直接连接时，例如通过X2接口连接时，目标基站可以将指示信息直接发送给源基站。当源基站和目标基站之间没有直接连接时，目标基站可以通过核心网设备将指示信息发送给源基站。
在以上步骤S430中，源基站在接收到切换请求确认消息之后，可以知道目标小区同意接收终端，则向终端发送切换命令，通知终端切换到目标小区。此时，可以直接在切换命令中携带通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式的通知信息。如此，终端在接收到切换命令时，即可以获知目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式，从而采用相匹配的接收方式接收目标小区发送的MIB消息。
以上切换请求确认消息可以由目标基站发送给源基站，也可以由核心网设备发送给源基站，这将在后面的实施例中进行详细描述。
可选的，源基站可以直接将指示信息转发给终端，将该指示信息作为通知信息来通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。或者，源基站可以根据指示信息生产通知信息，用该通知信息来通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。
可选的，源基站可以在以上步骤S420中，不将终端是否支持eMTC的信息通知给目标基站。而是由源基站对终端是否支持eMTC进行判断。此时，源基站可以在确定终端支持eMTC时，通知终端目标小区是否支持eMTC或 者目标小区中MIB消息的发送方式。例如，源基站在确定终端支持eMTC时，将指示信息转发给终端，否则不进行转发。此外，源基站还可以进一步确定目标小区对eMTC的支持情况，在确定终端支持eMTC，且根据指示信息确定目标小区也支持eMTC时，通知终端所述目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。例如，源基站根据指示信息确定目标小区支持eMTC或目标小区中MIB消息的发送方式为eMTC方式，进一步确定终端支持eMTC；而后向终端发送通知信息，通知终端目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。如此，可以进一步节省信令，对于终端不支持eMTC的情况，不做指示，由于终端不支持eMTC，按非eMTC的方式接收，因此，不指示也不存在问题。
可见，终端可以接收源基站发送的通知信息，来获知目标小区是否支持eMTC或者目标小区中MIB消息的发送方式，具体包括以下方式：
方式一，通知信息包括源基站转发的来自目标基站的指示信息，该指示信息用于指示目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。
方式二，通知信息由源基站根据来自目标基站的指示信息生成并发送给终端，该指示信息用于指示目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。
此外，可以在终端支持eMTC的情况下才触发以上指示信息或通知信息的发送，以节约信令。例如，可以通过目标基站确定终端是否支持eMTC，在终端支持eMTC时才向源基站下发指示信息。再如，终端是否支持eMTC也可以由源基站确定，源基站在终端支持eMTC的情况下，向终端下发通知信息。
在以上步骤S440中，终端接收到网络侧发送的切换命令时，可以知道网络侧要将终端从源小区切换到目标小区。进而，终端将接收目标小区发送的MIB消息，此时，终端可以根据通知信息确定相匹配的方式接收MIB消息。当终端未从网络侧接收到通知信息时，例如切换命令中不包括通知信息时，默认按照非eMTC方式接收MIB消息。当终端从网络侧接收到通知信息时，终端可以采用以下方式接收MIB消息：
1)当通知信息用于通知终端目标小区中MIB消息的发送方式时，终端按照与通知的发送方式相匹配的接收方式接收MIB消息。例如，通知的发 送方式为eMTC发送方式时，终端采用eMTC接收方式进行接收。通知的发送方式为非eMTC发送方式时，终端采用非eMTC接收方式进行接收。
2)当通知信息用于通知终端目标小区支持eMTC，且终端支持eMTC时，按照eMTC接收方式接收MIB消息，eMTC接收方式为与eMTC发送方式相匹配的接收方式。
3)当通知信息用于通知终端目标小区支持eMTC，且终端不支持eMTC时，按照非eMTC接收方式接收MIB消息，非eMTC接收方式为与非eMTC发送方式相匹配的接收方式。
可选的，根据以上实施例的描述，在终端不支持eMTC的时候，网络侧可以不下发通知信息。此时，终端不支持eMTC，直接按照非eMTC接收方式接收MIB消息。当然，如果网络侧不考虑终端对eMTC的支持情况，不管终端支不支持eMTC都下发通知信息时，终端知道自身不支持eMTC，可以直接按照非eMTC接收方式接收MIB消息，无需考虑目标小区对eMTC的支持情况。
4)当通知信息用于通知终端目标小区不支持eMTC时，终端按照非eMTC接收方式接收MIB消息。当终端支持eMTC时，终端可以获知目标小区不支持eMTC，因此采用非eMTC接收方式接收MIB消息。
可见，终端没有收到通知信息时，默认按照非eMTC方式接收MIB消息，如此可以节省信令。当终端收到了通知信息，可以根据通知信息采用与目标小区中的MIB消息发送方式相匹配的接收方式接收MIB消息。如此，可以在目标小区支持eMTC且终端也支持eMTC时，通过重复接收MIB消息获取一定的合并增益，提高切换的成功率。也可以在终端不支持eMTC，且目标小区支持eMTC时，减少因为MIB消息接收方式和发送方式不匹配而造成的负增益，提高切换的成功率。在以上描述中已经提及，当源基站和目标基站通过X2接口连接时，可以在源基站和目标基站之间直接交互消息，此时基于X2接口的切换称为X2切换。当源基站和目标基站之间没有直接连接，而是通过核心网设备连接时，源基站和目标基站之间的消息交互可以通过核心网实现，由于基站与核心网之间的接口称为S1接口，此时基于S1接口的切换称为S1切换。下面分别以X2切换和S1切换为例描述本申请实施例提供的切换过程中的信息传输方法。
请参考图5，其为本申请实施例提供的一种小区切换过程中的信息传输 方法的示意图。在本实施例中，源基站和目标基站之间通过X2接口连接，即该切换为基于X2接口的切换。如图5所示，该方法包括：
S510：终端上报测量报告给源基站。源基站收到测量报告后，执行以下步骤S520。
S520：源基站根据接收到的测量报告，进行切换判决。例如，源基站根据终端上报的测量报告，判断目标小区的信号质量优于服务小区，因此确定将终端从源小区切换到目标小区，进而发起切换，执行以下步骤S530。
S530：源基站向目标基站发送切换请求(handover request)消息。
切换请求消息中可以包括终端是否支持eMTC的信息。例如，源基站从终端获取终端的能力信息，终端的能力信息包括终端是否支持eMTC。源基站将终端是否支持eMTC携带在切换请求消息中发送给目标基站。切换请求消息中也可以不携带终端是否支持eMTC的信息。后续由源基站自己判断终端是否支持eMTC，并在终端支持eMTC的情况下，发送通知信息。其与以上实施例类似，在此不再赘述。
在本实施例中，以切换请求消息中携带终端是否支持eMTC的信息为例。
目标基站收到源基站发送的切换请求消息后，执行以下步骤S540。
S540：目标基站根据目标小区对eMTC的支持情况，生成切换请求确认消息。
当目标基站确认接收终端时，生成切换请求确认消息。且在切换请求确认消息中携带指示信息，该指示信息是根据目标小区对eMTC的支持情况生成的，用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式。
目标基站可以在终端支持eMTC时，才生成以上指示信息，并在切换请求确认消息中携带该指示信息。
目标基站生成切换请求确认消息之后，执行以下步骤S550。
S550：目标基站向源基站发送切换请求确认消息，切换请求确认消息中包括上述指示信息。
源基站收到目标基站发送的切换请求确认消息后，执行以下步骤S560。
S560：源基站向终端发送切换命令，切换命令包括上述指示信息。终端收到切换命令后执行以下步骤S570。
S570：终端根据指示信息选择与目标小区中MIB消息发送方式相匹配 的接收方式接收MIB消息。
在本实施例中，以源基站在切换命令中转发指示信息通知终端目标小区是否支持eMTC为例，进行描述。关于其它通知方式，可以参照以上实施例，在此不再赘述。
在本申请实施例提供的X2切换过程中，源基站直接将目标基站的指示信息作为通知信息转发给终端，终端根据该指示信息可以获知目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式，从而可以采取相匹配的MIB消息接收方式接收MIB消息，提高引入eMTC技术后切换的成功率，且节省了信令。
图5实施例所示的源小区和目标小区属于不同的基站，即源小区对应源基站，目标小区对应目标基站。可选的，源小区和目标小区还可以属于同一个基站，源小区切换到目标小区在同一个基站内进行，如图6所示，具体的步骤S610至S670同图5中所示的步骤S510至S570，此时的小区间的消息交互可以通过站内交互实现，例如切换请求消息和切换请求确认消息的交互可以通过站内交互实现。此外，也可以省略以上站内交互过程，即省略S630至S650，基站在确定将终端从源小区切换到目标小区，且目标小区为该基站下的小区时，基站根据目标小区对eMTC的支持情况，产生切换命令，该切换命令包括通知信息或指示信息，该通知信息或指示信息同以上描述，并将切换命令发送给终端。
请参考图7，其为本申请实施例提供的另一种小区切换过程中的信息传输方法的示意图。在本实施例中，源基站和目标基站之间通过核心网设备进行通信，即该切换为基于S1接口的切换。该方法与图5所示实施例的区别在于，源基站与目标基站之间交互的消息通过核心网设备转发，该核心网设备例如可以为移动性管理实体(Mobility Management Entity，MME)。具体如图7所示，该方法包括：
S710：终端上报测量报告给源基站。源基站收到测量报告后，执行以下步骤S720。
S720：源基站根据接收到的测量报告，进行切换判决。具体参照以上实施例在此不再赘述。当确定将终端从源小区切换到目标小区时，执行以下步骤S730。
S730：源基站向核心网设备发送切换需求(handover required)消息。 切换需求消息用于将需要切换的目标小区的信息告知核心网，用于核心网请求目标小区为终端准备资源。另外，切换需求消息同以上切换请求消息一样，也可以包括终端能力信息，用于告知核心网设备终端是否支持eMTC。当然切换需求消息中也可以不包括该终端能力信息，在此以包括终端是否支持eMTC的信息为例。核心网设备收到切换需求消息后，执行以下步骤S740。
S740：核心网设备根据切换需求消息，向目标基站发送切换请求消息。目标基站收到该切换请求消息后执行以下步骤S750。
该切换请求消息可以包括终端是否支持eMTC的信息，也可以不包括终端是否支持eMTC的信息。
S750：目标基站在可以为该终端提供服务时，即可以接收该终端时，，生成切换请求确认消息。否则，生成失败响应。
其中，切换请求确认消息包括指示信息，该指示信息同以上实施例的描述，在此不再赘述。
目标基站生成切换请求确认消息之后，执行以下步骤S760。
S760：目标基站向核心网设备发送切换请求确认消息，该切换请求确认消息包括指示信息。
核心网设备收到目标基站发送的切换请求确认消息后，执行以下步骤S770。
S770：核心网设备向源基站发送切换命令。该切换命令包括以上指示信息。源小区收到该切换命令后执行以下步骤S780。
S780：源基站向终端发送该切换命令，通知终端切换到目标小区。切换命令包括指示信息。终端收到指示信息后执行以下步骤S790。
S790：终端根据指示信息接收MIB消息。
关于源基站或目标基站在发送通知信息或指示信息之前是否对终端支持eMTC的情况作判断，同以上实施例的描述，在此不再赘述。此外，对于指示信息和通知信息的描述以及终端接收MIB消息的方式也同以上实施例，不再进行描述。
可见，此实施例中提供的S1切换过程中，源基站直接将目标基站的指示信息当做通知信息转发给终端，终端根据该指示信息可以获知目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式，从而可以采取相匹配的MIB消息接收方式接收MIB消息，提高引入eMTC技术后切换的成功 率，且节省了信令。
结合以上所述的方法，本申请实施例还提供用于执行以上方法的装置。例如，用于执行以上实施例中终端执行的方法的装置，该装置包括执行以上终端执行的方法中各个步骤的单元，每个单元执行的步骤的描述可以参照以上实施例。再如，用于执行以上实施例中源基站或目标基站执行的方法的装置，该装置包括执行以上源基站或目标执行的方法中各个步骤的单元，每个单元执行的步骤的描述可以参照以上实施例。
请参考图8，其为本申请实施例提供的一种信息传输装置800的结构示意图。如图8所示，该装置800用于终端，包括接收单元810和处理单元820。
接收单元810：用于从网络侧接收通知信息。通知信息用于通知终端目标小区是否支持eMTC或者通知终端目标小区中MIB消息的发送方式。
处理单元820：用于当接收单元810从网络侧接收到切换命令时，根据通知信息控制接收单元810接收MIB消息。其中切换命令用于指示终端从源小区切换到目标小区。
可见，处理单元820可以根据接收单元810接收的通知信息，来获知目标小区是否支持eMTC或者目标小区中MIB消息的发送方式，从而终端采用相匹配的接收方式接收目标小区发送的MIB消息，提高引入eMTC技术后切换的成功率。
同以上方法实施例，接收单元810接收的切换命令可以携带通知信息。如此，终端在接收到切换命令时，即可以获知目标小区对eMTC的支持情况或者目标小区中MIB消息的发送方式，从而采用相匹配的接收方式接收目标小区发送的MIB消息，提高引入eMTC技术后切换的成功率，且节省了信令。
同以上方法实施例，接收单元810接收的通知信息可以包括两种形式：一种是源基站转发的来自目标基站的指示信息；另一种是由源基站根据来自目标基站的指示信息生成的通知信息，同图4所示实施例的两种方式(方式一和方式二)，此处不再赘述。
需要说明的是，处理单元820根据通知信息控制接收单元810接收MIB消息，接收单元810具体接收MIB消息的几种方式同图4所示实施例，在此不再赘述。
需要说明的是，这里的接收单元可以为终端的收发机，处理单元可以为 终端的处理器。且处理器可以为实施以上方法的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific Integrated Circuit，ASIC)，或，一个或多个微处理器(digital singnal processor，DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，FPGA)等。再如，当以上处理单元以调度程序的形式实现时，该处理器可以是通用处理器，例如中央处理器(Central Processing Unit，CPU)或其它可以调用程序的处理器。再如，该处理器可以以片上系统(system-on-a-chip，SOC)的形式实现。
请参考图9，其为本申请实施例提供的一种信息传输装置900的结构示意图。如图9所示，该装置900用于源基站，包括第一接口单元910，处理单元920和第二接口单元930。
第一接口单元910：用于向目标基站发送切换请求消息，或触发核心网设备向目标基站发送切换请求消息，且用于接收目标基站响应于切换请求消息的而发送的指示信息。指示信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式。
处理单元920用于确定将终端从源小区切换到目标小区，并通过第一接口单元910向目标基站发送切换请求消息。
处理单元920还用于根据第一接口单元910接收的指示信息，通过第二接口单元930通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。
可见，装置900可以将目标基站是否支持eMTC或者目标小区中MIB消息的发送方式通知终端，从而终端可以采用相匹配的接收方式接收MIB消息，从而提高切换成功的概率，减少切换时延。
需要说明的是，当第一接口单元910用于向目标基站发送切换请求消息且用于接收目标基站响应于切换请求消息而发送的指示信息时，第一接口单元910可以为X2接口；当第一接口单元910用于触发核心网设备向目标基站发送切换请求消息，且用于接收目标基站通过核心网设备发送的指示信息时，第一接口单元910可以为S1接口。
可选的，处理单元920通过第二接口单元930向终端发送切换命令。切换命令的描述同以上实施例，可以包括通知信息以节省信令。当然，切换命令也可以不包括通知信息。
需要说明的是，处理单元920通过第二接口单元930通知终端目标小区 是否支持eMTC或者目标小区中MIB消息的发送方式的方式包括：一种是源基站将指示信息作为通知信息转发给终端，另一种是源基站根据指示信息生成通知信息，同图4所示实施例的两种方式(方式一和方式二)，此处不再赘述。
此外，可以在终端支持eMTC的情况下才触发以上指示信息或通知信息的发送，以节约信令。
例如，可以通过目标基站确定终端是否支持eMTC，此时，切换请求消息中携带终端是否支持eMTC的信息，目标基站可以根据终端是否支持eMTC的信息确定终端是否支持eMTC。在终端支持eMTC时，目标基站才将指示信息发送给源基站，从而第一接口单元910可以接收该指示信息。进一步，当目标基站可以在确定终端支持eMTC且目标小区支持eMTC时，才将指示信息发送给源基站，从而第一接口单元910可以接收该指示信息，此时，指示信息指示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。
再如，终端是否支持eMTC也可以由源基站确定，且源基站在终端支持eMTC的情况下，通知终端目标小区是否支持eMTC或者目标小区中MIB消息的发送方式。进一步的，源基站可以确定终端支持eMTC且根据指示信息确定目标小区支持eMTC时，通知终端目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。
需要说明的是，这里的第一接口单元可以为基站之间的通信接口(例如X2接口)或者为基站和核心网之间的通信接口(例如，S1接口)。处理单元可以为基站的处理器。且处理器可以为实施以上方法的一个或多个集成电路，例如：一个或多个ASIC，或，一个或多个DSP，或，一个或者多个FPGA等。再如，当以上处理单元以调度程序的形式实现时，该处理器可以是通用处理器，例如CPU或其它可以调用程序的处理器。再如，该处理器可以以SOC的形式实现。
请参考图10，其为本申请实施例提供的一种信息传输装置1000的结构示意图。如图10所示，该装置1000用于目标基站，包括接口单元1010和处理单元1020。
接口单元1010：用于接收切换请求消息。切换请求消息用于请求将终端从源小区切换到目标小区。
处理单元1020：用于响应于切换请求消息通过接口单元1010向源基站发送指示信息。指示信息用于指示目标小区是否支持eMTC或者用于指示目标小区中MIB消息的发送方式。
可见，处理单元1020通过接口单元1010向源基站发送指示信息，进一步的，通过源基站来告知终端目标小区的eMTC的支持情况或者目标小区中MIB消息的发送方式。终端通过获知的目标小区的eMTC的支持情况或者目标小区中MIB消息的发送方式，从而采取相匹配的MIB消息接受方式，从而提高切换成功的概率，减少切换时延。
可选的，接口单元1010接收的切换请求消息可以携带终端是否支持eMTC的信息，以便处理单元1020在确定终端支持eMTC时，才发送指示信息，以减少切换过程中的信令。当然，切换请求消息也可以不携带终端是否支持eMTC的信息。
可选的，可以在目标基站确定终端支持eMTC的情况下才触发以上指示信息的发送，以节约信令。例如，当终端支持eMTC时，才发送指示信息。再如，当终端支持eMTC且目标小区支持eMTC时，才发送指示信息，且该指示信息用于指示目标小区支持eMTC或者目标小区中MIB消息的发送方式为eMTC方式。
以上小信息传输装置只是示例，本申请对此不做限制，只要是终端根据网络侧的通知信息接收MIB消息，都属于本申请的保护范围。其中，通信信息的描述同以上实施例，此处不再赘述。
需要说明的是，当目标基站直接将指示信息发送给源基站时，以上接口单元可以为基站之间的通信接口(例如X2接口)；当目标基站通过核心网设备将指示信息发送给源基站时，以上接口单元为基站和核心网之间的通信接口(例如，S1接口)。处理单元可以为基站的处理器。且处理器可以为实施以上方法的一个或多个集成电路，例如：一个或多个ASIC，或，一个或多个DSP，或，一个或者多个FPGA等。再如，当以上处理单元以调度程序的形式实现时，该处理器可以是通用处理器，例如CPU或其它可以调用程序的处理器。再如，该处理器可以以SOC的形式实现。
下面结合附图描述以上图8所示的各个单元在终端中的一种实现。其仅为举例，并非用于限制本申请。请参见图11。图11为本申请实施例提供的一种终端的结构示意图。如图11所示，该终端包括：处理器1110、存储器 1120、收发装置1130。收发装置1130可以与天线连接。该存储器1120用于存储实现以上方法实施例的程序代码，处理器1110调用该程序代码，执行以上方法实施例的操作。可见，以上接收单元810可以通过收发装置1130实现，处理单元820通过处理器1110实现。
下面结合附图描述以上图9或图10所示的各个单元在基站中的一种实现。其仅为举例，并非用于限制本申请。请参见图12，图12为本申请实施例提供的一种基站的结构示意图。如图12所示，该基站包括：处理器1210、存储器1220、收发装置1230和通信接口1240。收发装置1230可以与天线连接。该存储器1220用于存储实现以上方法实施例的程序代码，处理器1210调用该程序代码，执行以上方法实施例的操作。
当该基站为源基站时，处理器1210用于实现处理单元920；收发装置1230用于实现第二接口单元930；通信接口为基站与基站之间的接口或基站与核心网设备之间的接口，用于实现第一接口单元910。
当该基站为目标基站时，处理器1210用于实现处理单元1020；通信接口为基站与基站之间的接口或基站与核心网设备之间的接口，用于实现接口单元1010。收发装置1230用于与终端通信。
通过以上的实施例的描述，所属领域的技术人员可以清楚地了解到本申请可以用硬件实现，或固件实现，或它们的组合方式来实现。当使用软件实现时，可以将上述功能存储在计算机可读介质中或作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是计算机能够存取的任何可用介质。以此为例但不限于：计算机可读介质可以包括RAM、ROM、EEPROM、CD-ROM或其他光盘存储、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质。此外。任何连接可以适当的成为计算机可读介质。例如，如果软件是使用同轴电缆、光纤光缆、双绞线、数字用户线(DSL)或者诸如红外线、无线电和微波之类的无线技术从网站、服务器或者其他远程源传输的，那么同轴电缆、光纤光缆、双绞线、DSL或者诸如红外线、无线和微波之类的无线技术包括在所属介质的定影中。
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所述以权利要求的保护范围为准。

Claims (28)

  1. 一种小区切换过程中的的信息传输方法，其特征在于，所述方法包括：
    终端从网络侧接收通知信息，所述通知信息用于通知所述终端目标小区是否支持增强机器类型通信eMTC或者用于通知所述终端所述目标小区中主信息块MIB消息的发送方式；
    当所述终端从所述网络侧接收到切换命令时，所述终端根据所述通知信息接收MIB消息，其中所述切换命令用于指示终端从源小区切换到目标小区。
  2. 根据权利要求1所述的方法，其特征在于，所述切换命令携带所述通知信息。
  3. 根据权利要求1或2所述的方法，其特征在于，所述源小区所在的基站为源基站，所述目标小区所在的基站为目标基站，且：
    所述通知信息包括所述源基站转发的来自所述目标基站的指示信息，所述指示信息用于指示所述目标小区是否支持eMTC或者用于指示所述目标小区中MIB消息的发送方式；或者，
    所述通知信息由源基站根据来自目标基站的指示信息生成并发送给所述终端，所述指示信息用于指示所述目标小区是否支持eMTC或者用于指示所述目标小区中MIB消息的发送方式。
  4. 根据权利要求1至3任一权利要求所述的方法，其特征在于，所述终端根据所述通知信息接收MIB消息，包括：
    当所述通知信息用于通知所述终端所述目标小区中MIB消息的发送方式时，所述终端按照与所述发送方式相匹配的接收方式接收所述MIB消息；或者，
    当所述通知信息用于通知所述终端所述目标小区支持eMTC，且所述终端支持eMTC时，按照eMTC接收方式接收所述MIB消息；或者，
    当所述通知信息用于通知所述终端所述目标小区支持eMTC，且所述终端不支持eMTC时，按照非eMTC接收方式接收所述MIB消息；或者，
    当所述通知信息用于通知所述终端所述目标小区不支持eMTC时，所述终端按照非eMTC接收方式接收所述MIB消息。
  5. 一种小区切换过程中的信息传输方法，其特征在于，所述方法包括：
    源基站确定将终端从源小区切换到目标小区，并向目标基站发送切换请求消息或触发核心网设备向目标基站发送切换请求消息，其中所述源基站为所述源小区所在的基站，所述目标基站为所述目标小区所在的基站；
    所述源基站接收所述目标基站响应于所述切换请求消息而发送的指示信息，所述指示信息用于指示所述目标小区是否支持增强机器类型通信eMTC或者用于指示所述目标小区中主信息块MIB消息的发送方式；
    所述源基站根据所述指示信息，通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。
  6. 根据权利要求5所述的方法，其特征在于，所述源基站根据所述指示信息，通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式，包括：
    所述源基站向所述终端发送切换命令，所述切换命令包括通知信息，所述通知信息用于通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。
  7. 根据权利要求5或6所述的方法，其特征在于，所述源基站根据所述指示信息，通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式，包括：
    所述源基站将所述指示信息作为通知信息转发给所述终端，用所述指示信息通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式；或者，
    所述源基站根据所述指示信息生成通知信息，所述通知信息用于通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。
  8. 根据权利要求5至7任一项所述的方法，其特征在于，所述源基站根据所述指示信息，通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式，包括：
    所述源基站确定所述终端支持eMTC时，通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式；或
    所述源基站确定所述终端支持eMTC，且根据所述指示信息确定所述目标小区支持eMTC时，通知所述终端所述目标小区支持eMTC或者所述目标小区中MIB消息的发送方式为eMTC方式。
  9. 根据权利要求5至7任一项所述的方法，其特征在于，所述切换请求消息中携带所述终端是否支持eMTC的信息。
  10. 根据权利要求9所述的方法，其特征在于，所述指示信息在所述目标基站根据所述终端是否支持eMTC的信息确定所述终端支持eMTC时被发送；或者，
    所述指示信息在所述目标基站根据所述终端是否支持eMTC的信息确定所述终端支持eMTC且所述目标小区支持eMTC时被发送，且用于指示所述目标小区支持eMTC或者所述目标小区中MIB消息的发送方式为eMTC方式。
  11. 一种小区切换过程中的信息传输方法，其特征在于，所述方法包括：
    目标基站接收切换请求消息，所述切换请求消息用于请求将终端从源小区切换到目标小区，其中所述源基站为所述源小区所在的基站，所述目标基站为所述目标小区所在的基站；
    所述目标基站响应于所述切换请求消息向源基站发送指示信息，所述指示信息用于指示所述目标小区是否支持增强机器类型通信eMTC或者用于指示所述目标小区中主信息块MIB消息的发送方式。
  12. 根据权利要求11所述的方法，其特征在于，所述切换请求消息中携带所述终端是否支持eMTC的信息。
  13. 根据权利要求12所述的方法，其特征在于，所述目标基站响应于所述切换请求消息向源基站发送指示信息，包括：
    所述目标基站根据所述终端是否支持eMTC的信息确定所述终端是否支持eMTC；
    当所述终端支持eMTC时，所述目标基站发送所述指示信息。
  14. 根据权利要求12所述的方法，其特征在于，所述目标基站响应于所述切换请求消息向源基站发送指示信息，包括：
    所述目标基站根据所述终端是否支持eMTC的信息确定所述终端是否支持eMTC；
    当所述终端支持eMTC且所述目标小区支持eMTC时，所述目标基站发送所述指示信息，其中所述指示信息用于指示所述目标小区支持eMTC或者所述目标小区中MIB消息的发送方式为eMTC方式。
  15. 一种小区切换过程中的的信息传输装置，用于终端，其特征在于， 所述装置包括：
    接收单元，用于从网络侧接收通知信息，所述通知信息用于通知所述终端目标小区是否支持增强机器类型通信eMTC或者通知所述终端所述目标小区中主信息块MIB消息的发送方式；
    处理单元，用于当所述接收单元从所述网络侧接收到切换命令时，根据所述通知信息控制所述接收单元接收MIB消息，其中所述切换命令用于指示终端从源小区切换到目标小区。
  16. 根据权利要求15所述的装置，其特征在于，所述切换命令携带所述通知信息。
  17. 根据权利要求15或16所述的装置，其特征在于，所述源小区所在的基站为源基站，所述目标小区所在的基站为目标基站，且：
    所述通知信息包括所述源基站转发的来自所述目标基站的指示信息，所述指示信息用于指示所述目标小区是否支持eMTC或者用于指示所述目标小区中MIB消息的发送方式；或者，
    所述通知信息由所述源基站根据来自所述目标基站的指示信息生成并发送给所述终端，所述指示信息用于指示所述目标小区是否支持eMTC或者用于指示所述目标小区中MIB消息的发送方式。
  18. 根据权利要求15至17任一权利要求所述的装置，其特征在于：
    当所述通知信息用于通知所述终端所述目标小区中MIB消息的发送方式时，所述处理单元用于控制所述接收单元按照与所述发送方式相匹配的接收方式接收所述MIB消息；或者，
    当所述通知信息用于通知所述终端所述目标小区支持eMTC，且所述终端支持eMTC时，所述处理单元用于控制所述接收单元按照eMTC接收方式接收所述MIB消息；或者，
    当所述通知信息用于通知所述终端所述目标小区支持eMTC，且所述终端不支持eMTC时，所述处理单元用于控制所述接收单元按照非eMTC接收方式接收所述MIB消息；或者，
    当所述通知信息用于通知所述终端所述目标小区不支持eMTC时，所述处理单元用于控制所述接收单元按照非eMTC接收方式接收所述MIB消息。
  19. 一种小区切换过程中的信息传输装置，用于源基站，其特征在于，所述装置包括处理单元，第一接口单元和第二接口单元，其中：
    所述处理单元，用于确定将终端从源小区切换到目标小区，并通过所述第一接口单元向目标基站发送切换请求消息或触发核心网设备向目标基站发送切换请求消息，其中所述源基站为所述源小区所在的基站，所述目标基站为所述目标小区所在的基站；
    所述处理单元，用于通过所述第一接口单元接收所述目标基站响应于所述切换请求消息而发送的指示信息，所述指示信息用于指示所述目标小区是否支持增强机器类型通信eMTC或者用于指示所述目标小区中主信息块MIB消息的发送方式；
    所述处理单元，用于根据所述指示信息，通过所述第二接口单元通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。
  20. 根据权利要求19所述的装置，其特征在于，所述处理单元用于通过所述第二接口单元向所述终端发送切换命令，所述切换命令包括通知信息，所述通知信息用于通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。
  21. 根据权利要求19或20所述的装置，其特征在于，所述处理单元用于：
    将所述指示信息作为通知信息转发给所述终端，用所述指示信息通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式；或者，
    根据所述指示信息生成通知信息，所述通知信息用于通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式。
  22. 根据权利要求19至21任一项所述的装置，其特征在于，所述处理单元用于：
    确定所述终端支持eMTC时，通知所述终端所述目标小区是否支持eMTC或者所述目标小区中MIB消息的发送方式；或者
    确定所述终端支持eMTC且根据所述指示信息确定所述目标小区支持eMTC时，通知所述终端所述目标小区支持eMTC或者所述目标小区中MIB消息的发送方式为eMTC方式。
  23. 根据权利要求19至22任一项所述的装置，其特征在于，所述切换请求消息中携带所述终端是否支持eMTC的信息。
  24. 根据权利要求19所述的装置，其特征在于，所述指示信息在所述目标基站根据所述终端是否支持eMTC的信息确定所述终端支持eMTC时被发送；或者
    所述指示信息在所述目标基站根据所述终端是否支持eMTC的信息确定所述终端支持eMTC，且所述目标小区支持eMTC时被发送，且用于指示所述目标小区支持eMTC或者所述目标小区中MIB消息的发送方式为eMTC方式。
  25. 一种小区切换过程中的信息传输装置，用于目标基站，其特征在于，所述装置包括接口单元和处理单元，其中：
    所述接口单元，用于接收切换请求消息，所述切换请求消息用于请求将终端从源小区切换到目标小区，其中所述源基站为所述源小区所在的基站，所述目标基站为所述目标小区所在的基站；
    所述处理单元，用于响应于所述切换请求消息通过所述接口单元向所述源基站发送指示信息，所述指示信息用于指示所述目标小区是否支持eMTC或者用于指示所述目标小区中主信息块MIB消息的发送方式。
  26. 根据权利要求25所述的装置，其特征在于，所述切换请求消息中携带所述终端是否支持eMTC的信息。
  27. 根据权利要求26所述的装置，其特征在于，所述处理单元用于：
    根据所述终端是否支持eMTC的信息确定所述终端是否支持eMTC；
    当所述终端支持eMTC时，发送所述指示信息。
  28. 根据权利要求26所述的装置，其特征在于，所述处理单元用于：
    根据所述终端是否支持eMTC的信息确定所述终端是否支持eMTC；
    当所述终端支持eMTC且所述目标小区支持eMTC时，发送所述指示信息，其中所述指示信息用于指示所述目标小区支持eMTC或者所述目标小区中MIB消息的发送方式为eMTC方式。
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