WO2015042779A1 - 一种终端、基站及其发送失败信息的方法 - Google Patents
一种终端、基站及其发送失败信息的方法 Download PDFInfo
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- WO2015042779A1 WO2015042779A1 PCT/CN2013/084094 CN2013084094W WO2015042779A1 WO 2015042779 A1 WO2015042779 A1 WO 2015042779A1 CN 2013084094 W CN2013084094 W CN 2013084094W WO 2015042779 A1 WO2015042779 A1 WO 2015042779A1
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- terminal
- cell
- base station
- failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a terminal, a base station, and a method for transmitting the failure information.
- LTE Long Term Evolution
- the system message needs to be read to obtain related information of the target cell, so that the data transmission can be performed normally.
- the terminal when the terminal fails to read the system message, the terminal may cause a misjudgment. For example, after the terminal fails to read the system, the data transmission cannot be performed normally, causing the terminal to fail the radio link (Radio). Link Failure (RLF), the terminal and the base station re-establish, the base station will misjudge that the terminal is switching too late in the cell, but actually should switch too early or switch to the wrong cell.
- Radio radio link
- RLF Link Failure
- the embodiment of the present invention provides a terminal, a base station, and a method for transmitting the failure information, so as to solve the problem that the base station is misjudged when the terminal fails to read the system message.
- the first aspect provides a method for transmitting failure information, including: the terminal switching from the first cell to the second cell; the terminal reading the system message of the second cell fails, and when the terminal has a radio link failure RLF, the terminal is The base station to which the third cell to which the radio resource control protocol RRC re-establishment or RRC connection is established transmits the failure information, so that the base station determines the state of the terminal according to the failure information, where the failure information includes a failure cause value, and the failure cause value is a read system message. failure.
- the terminal fails to read the system message of the second cell, where the terminal determines whether the system message of the second cell is read within a preset time threshold. If not, the terminal fails to read the system message of the second cell; or the terminal determines whether the system message of the second cell is read within the preset read count threshold, and if not, the terminal reads the system of the second cell The message failed.
- the sending, by the terminal, the failure information to the base station to which the third cell that performs RRC re-establishment or RRC connection establishment belongs includes: the third cell belongs to The base station sends the RLF indication information to the base station to which the second cell belongs, where the RLF indication information includes a failure cause value; the base station to which the second cell belongs sends a Handover to the base station to which the first cell belongs. Report message, where the Handover Report message contains the reason for the failure.
- the second aspect provides a terminal, where the terminal switches from the first cell to the second cell, where the terminal includes a receiving unit and a sending unit, and the receiving unit fails to read the system message of the second cell, and when the terminal generates RLF, the sending unit sends
- the base station to which the third cell to which the RRC re-establishment or the RRC connection is established transmits the failure information, so that the base station determines the state of the terminal according to the failure information, where the failure information includes a failure cause value, and the failure cause value fails to read the system message.
- the terminal further includes a processing unit, and the processing unit determines whether the receiving unit reads the system message of the second cell within a preset time threshold, and if not, The receiving unit fails to read the system message of the second cell; or the processing unit determines whether the receiving unit reads the system message of the second cell within the preset reading number threshold, and if not, the receiving unit reads the second message. The system message of the cell failed.
- the base station to which the third cell belongs sends the RLF indication information to the base station to which the second cell belongs, where the RLF indication information includes a failure cause value;
- the base station to which the second cell belongs sends a Handover to the base station to which the first cell belongs. Report message, where the Handover Report message contains the reason for the failure.
- a third aspect provides a method for transmitting failure information, including: a terminal switching from a first cell to a second cell, performing RRC connection RRC re-establishment or RRC connection establishment with a terminal when RLF occurs in the terminal; acquiring failure information from the terminal To determine the state of the terminal according to the failure information, wherein the failure information includes a failure cause value, and the failure cause value fails to read the system message.
- the base station acquires the failure information, and the base station to which the third cell belongs sends the RLF indication information to the base station to which the second cell belongs, where the RLF indication information includes the failure. a cause value; the base station to which the second cell belongs sends a Handover to the base station to which the first cell belongs Report message, where the Handover Report message contains the reason for the failure.
- the fourth aspect provides a base station, where the terminal switches from the first cell to the second cell, and when the terminal generates RLF, the third cell performs RRC connection RRC re-establishment or RRC connection establishment with the terminal; the base station to which the third cell belongs acquires from the terminal.
- the failure information is used to determine the status of the terminal according to the failure information, wherein the failure information includes a failure cause value, and the failure cause value fails to read the system message.
- the base station to which the third cell belongs sends the RLF indication information to the base station to which the second cell belongs, where the RLF indication information includes a failure cause value;
- the base station sends a Handover to the base station to which the first cell belongs. Report message, where the Handover Report message contains the reason for the failure.
- the present invention has the following advantages: when the terminal performs radio resource control protocol RRC connection re-establishment or RRC connection establishment with the base station, the terminal sends failure information to the base station, so that the base station determines the status of the terminal according to the failure information. To avoid misjudgment of the base station.
- FIG. 1 is a schematic structural diagram of a communication system according to a first embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a communication system according to a second embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of a communication system according to a third embodiment of the present invention.
- FIG. 4 is a flowchart of a method of transmitting failure information according to a first embodiment of the present invention
- FIG. 5 is a flowchart of a method of transmitting failure information according to a third embodiment of the present invention.
- FIG. 1 is a schematic structural diagram of a communication system according to a first embodiment of the present invention.
- the communication system disclosed in this embodiment includes: a terminal 101 and at least one base station.
- the communication system includes the base station 102 to which the first cell belongs, the base station 103 to which the second cell belongs, and the base station 104 to which the third cell belongs.
- the terminal 101 includes a receiving unit 105 and a transmitting unit 106.
- the receiving unit 105 of the terminal 101 reads the system information of the second cell from the base station 103, if the receiving unit 103 of the terminal 101 The system information of the second cell fails to be read.
- the terminal 101 performs RRC with the third cell (Radio).
- the transmitting unit 106 of the terminal 101 transmits failure information to the base station 104 to which the third cell belongs, and the base station 104 determines the state of the terminal 101 based on the failure information.
- the base station 104 may be the same base station as the base station 102 or the base station 103 to which the first cell belongs, or may be different from the base station 102 and the base station 103.
- the status of the terminal 101 includes that the handover is too late, the handover is too early, or the handover to the wrong cell.
- the terminal 101 When the terminal 101 generates an RLF after the first cell stays for a long time, the terminal 101 performs an RRC connection re-establishment with the second cell, and the terminal 101 switches too late.
- the terminal 101 attempts to perform RRC connection re-establishment in the first cell after the first cell fails to switch from the first cell to the second cell, and the RLF occurs after the handover to the second cell, the terminal 101 switches over. early.
- the terminal 101 When the terminal 101 attempts to perform RRC connection re-establishment in the third cell after the first cell fails to switch from the first cell to the second cell, or the RLC occurs after the handover to the second cell, the terminal 101 switches to the error.
- the system message of the second cell may be MIB (Message Information Base, Message Information Base), SIB (System Information) Block, system information block) 1, SIB2 or SIB8.
- the failure information includes a failure cause value, and the failure cause value is that the terminal 101 fails to read the system message of the second cell.
- the terminal 101 when the receiving unit 105 of the terminal 101 fails to read the system information of the second cell, the terminal 101 performs RRC connection re-establishment with the third cell, and the terminal 101 sends a failure to the base station 104 to which the third cell belongs by using the sending unit 104.
- the base station 104 determines the state of the terminal 101 according to the failure information, thereby avoiding misjudgment of the base station, thereby improving parameter optimization accuracy and efficiency.
- the present invention also provides a communication system of the second embodiment, which is described in detail based on the communication system disclosed in the first embodiment.
- the terminal 101 disclosed in this embodiment further includes a processing unit 107 as shown in FIG. 2.
- the processing unit 107 of the terminal 101 is connected between the receiving unit 103 of the terminal 101 and the transmitting unit 104.
- the terminal 101 determines that the receiving unit 105 of the terminal 101 has failed to read the system information of the second cell.
- the processing unit 107 of the terminal 101 determines whether the receiving unit 105 of the terminal 101 reads the system information of the second cell within a preset time threshold T. If not, the receiving unit 105 of the terminal 101 reads the system message of the second cell. Failure, for example, T is 1s.
- the processing unit 107 of the terminal 101 determines whether the receiving unit 105 of the terminal 101 reads the system message of the second cell within a preset reading number threshold (for example, 3 times), and if not, the receiving unit 105 of the terminal 101 reads The system message of the second cell fails.
- a preset reading number threshold for example, 3 times
- the terminal 101 After the receiving unit 105 of the terminal 101 fails to read the system message of the second cell, the terminal 101 generates an RLF, and the terminal 101 performs an RRC connection re-establishment or an RRC connection establishment with the third cell, and the processing unit 107 of the terminal 101 transmits the terminal 101.
- Unit 106 sends a failure message to base station 104 to which the third cell belongs.
- the transmitting unit 106 of the terminal 101 transmits an RRC connection re-establishment request to the base station 104; the base station 104 generates an RRC connection re-establishment message according to the received RRC connection re-establishment request, and sends the RRC connection re-establishment message to the terminal.
- the receiving unit 105 of 101 transmits an RRC Connection Re-establishment message; the processing unit 107 of the terminal 101 generates an RRC Connection Re-establishment Complete message according to the RRC Connection Re-establishment message, and transmits an RRC Connection Re-establishment Complete message to the base station 104 through the transmitting unit 104.
- the processing unit 107 of the terminal 101 indicates that the terminal 101 has failure information through the RRC connection re-establishment completion message carrying indication flag.
- the base station 104 transmits the request information to the terminal 101, and the transmitting unit 106 of the terminal 101 transmits the response information to the base station 104 according to the request information, the response information including specific failure information, including the indication information, indicating that the terminal 101 fails to read the system broadcast message.
- the transmitting unit 106 of the terminal 101 transmits an RRC connection re-establishment request to the base station 104 to which the third cell belongs, and the base station 104 transmits RLF indication information (RLF) to the base station 103.
- RLF RLF indication information
- the base station 103 transmits the HO report information to the base station 102.
- RLF indication information and HO The report information includes failure information.
- the base station 104 acquires the failure information from the terminal 101, and the base station 104 identifies the second cell, that is, the base station 104, according to the identifier of the cell in which the terminal 101 generates the RLF included in the failure information. Sending an RLF to the base station 103 to which the second cell belongs Indication, receiving RLF at base station 103 After the indication, the base station 103 determines, according to the failure information, whether the terminal 101 to the second cell is switching too early, and if so, the base station 103 sends a Handover to the base station 102. Report message, where the Handover Report message includes information that switches too early.
- the sending unit 106 of the terminal 101 sends the failure information to the base station 102 to which the first cell belongs, and the base station 102 determines the status of the terminal 101 according to the failure information, and The base station 102 sends the RLF indication information to the base station 103 to which the second cell belongs according to the cell identifier of the RLF in the failure information. If the failure cause value of the RLF indication information is that the system message fails to be read, the base station 103 Base station 102 sends a Handover Report message.
- FIG. 3 is a schematic structural diagram of a communication system according to a third embodiment of the present invention.
- the communication system disclosed in this embodiment includes: a terminal 301, a base station 302 to which the first cell belongs, a base station 303 to which the second cell belongs, and a base station 304 to which the third cell belongs.
- the terminal 301 includes a receiver 305, a transmitter 306, and a processor.
- the receiver 305 of the terminal 301 reads the system information of the second cell from the base station 303, if the terminal The receiver 303 of the 301 fails to read the system information of the second cell.
- the terminal 301 When the RLF occurs in the terminal 301, the terminal 301 performs RRC connection re-establishment or RRC connection establishment with the third cell, and the transmitter 306 of the terminal 301 belongs to the third cell.
- the base station 304 transmits the failure information, and the base station 304 determines the state of the terminal 301 based on the failure information.
- the base station 304 may be the same base station as the base station 302 or the base station 303 to which the first cell belongs, or may be different from the base station 302 and the base station 303.
- the status of the terminal 301 includes handover too late, handover too early, or handover to an error cell.
- the terminal 301 performs RLF after the first cell stays for a long time, the terminal 301 performs RRC connection re-establishment with the second cell, and the terminal 301 switches too late.
- the terminal 301 attempts to perform RRC connection re-establishment in the first cell after the terminal 301 fails to switch from the first cell to the second cell and fails to switch to the second cell, the terminal 301 switches over. early.
- the terminal 301 When the terminal 301 attempts to perform RRC connection re-establishment in the third cell after the handover of the first cell to the second cell fails or the RLC occurs after the handover to the second cell, the terminal 301 switches to the error.
- the system message of the second cell may be MIB, SIB1, SIB2 or SIB8.
- the failure information includes a failure cause value, and the failure cause value is that the terminal 301 fails to read the system message of the second cell.
- the processor 307 of the terminal 301 is connected between the receiver 303 of the terminal 301 and the transmitter 304.
- the terminal 301 determines that the receiver 305 of the terminal 301 has failed to read the system information of the second cell.
- the processor 307 of the terminal 301 determines whether the receiver 305 of the terminal 301 reads the system information of the second cell within a preset time threshold T. If not, the receiver 305 of the terminal 301 reads the system message of the second cell. Failure, for example, T is 1s.
- the processor 307 of the terminal 301 determines whether the receiver 305 of the terminal 301 reads the system message of the second cell within a preset read count threshold (for example, 3 times), and if not, the receiver 305 of the terminal 301 reads The system message of the second cell fails.
- a preset read count threshold for example, 3 times
- the following describes in detail how the processor 307 of the terminal 301 transmits failure information to the base station 304 through the transmitter 306 of the terminal 301.
- the transmitter 306 of the terminal 301 transmits an RRC connection re-establishment request to the base station 304; the base station 304 generates an RRC connection re-establishment message according to the received RRC connection re-establishment request, and sends the RRC connection re-establishment message to the terminal.
- the receiver 305 of 301 transmits an RRC Connection Re-establishment message; the processor 307 of the terminal 301 generates an RRC Connection Re-establishment Complete message according to the RRC Connection Re-establishment message, and transmits an RRC Connection Re-establishment Complete message to the base station 304 through the transmitter 304.
- the processor 307 of the terminal 301 indicates that the terminal 301 has failure information through the RRC connection re-establishment completion message carrying indication flag.
- the base station 304 transmits the request information to the terminal 301, and the transmitter 306 of the terminal 301 transmits the response information to the base station 304 according to the request information, the response information including specific failure information, including the indication information, indicating that the terminal 301 fails to read the system broadcast message.
- the transmitter 306 of the terminal 301 transmits an RRC connection re-establishment request to the base station 304 to which the third cell belongs, and the base station 304 transmits the RLF indication information to the base station 303, and acquires the RLF indication information at the base station 303.
- the base station 303 transmits the HO to the base station 302. Report information.
- the RLF indication information and the HO report information both include failure information.
- the base station 304 acquires the failure information from the terminal 301, and the base station 304 identifies the second cell, that is, the base station 304, according to the identifier of the cell in which the terminal 301 of the RLF is included in the failure information.
- the base station 303 determines, according to the failure information, whether the handover of the terminal 301 to the second cell is too early, and if so, the base station 303 sends a Handover to the base station 302. Report message, where the Handover Report message includes information that switches too early.
- the transmitter 306 of the terminal 301 sends the failure information to the base station 302 to which the first cell belongs, and the base station 302 determines the status of the terminal 301 according to the failure information, and The base station 302 sends the RLF indication information to the base station 303 to which the second cell belongs according to the cell identifier of the RLF in the failure information.
- the base station 303 sends the RLF indication information to the base station 303 to which the second cell belongs.
- Base station 302 sends a Handover Report message.
- the present invention also provides a method of transmitting failure information of the first embodiment, which is described in detail based on the communication system disclosed in the first embodiment. As shown in FIG. 4, the method for transmitting failure information disclosed in this embodiment includes the following steps:
- Step 401 The terminal 101 switches from the first cell to the second cell. If the terminal 101 fails to read the system information of the second cell, the terminal 101 generates an RLF.
- Step 402 The terminal 101 performs the RRC connection re-establishment with the third cell, or the RRC connection is successfully established, and the terminal 101 sends the failure information to the base station 104 to which the third cell belongs.
- the failure information is RLF report, and the failure information includes failure to read the system message.
- Step 403 The base station 104 determines the state of the terminal 101 according to the failure information.
- Step 404 The base station 104 identifies, according to the failure information, the second cell identifier of the RLF generated by the terminal 101, and the base station 104 sends the RLF indication information to the base station 103 to which the second cell belongs.
- the re-establishment cause value in the RLF Indication is “Failed to read system message”.
- RLF Indication is sent through X2 port or S1 port.
- Step 405 After receiving the RLF indication information, the base station 103 determines that the handover from the first cell to the second cell is too early, the base station 103 sends a Handover to the base station 102 to which the first cell belongs. Report message.
- Handover The Report message includes the identifier of the first cell and the second cell identifier, and the cause value: the handover is too early.
- the Handover Report message is sent through the X2 port or the S1 port.
- the present invention also provides a method of transmitting failure information of the second embodiment, which is described in detail based on the method of transmitting failure information disclosed in the first embodiment.
- the terminal 101 determines that the terminal 101 fails to read the system information of the second cell by the following manner. The terminal 101 determines whether the system information of the second cell is read in the preset time threshold T. If not, the terminal 101 fails to read the system message of the second cell; or the terminal 101 determines the preset number of readings. Whether the system message of the second cell is read in the threshold, if not, the terminal 101 fails to read the system message of the second cell.
- step 402 when the terminal 101 performs RRC connection re-establishment with the third cell, the terminal 101 sends an RRC connection re-establishment request to the base station 104; the base station 104 generates an RRC connection re-establishment message according to the received RRC connection re-establishment request, and The terminal 101 transmits an RRC Connection Re-establishment message; the terminal 101 generates an RRC Connection Re-establishment Complete message according to the RRC Connection Re-establishment message, and transmits an RRC Connection Re-establishment Complete message to the base station 104.
- the terminal 101 re-establishes the request carrying failure information through the RRC connection, and is used to indicate that the terminal 101 has the failure information.
- the terminal 101 and the third cell perform RRC connection re-establishment
- the terminal 101 sends an RRC connection re-establishment request to the base station 104 to which the third cell belongs, and the base station 104 sends the RLF indication information to the base station 103, after the base station 103 acquires the RLF indication information.
- the base station 103 transmits the HO to the base station 102 to which the first cell belongs. Report information.
- the RLF indication information and the HO report information both include failure information.
- the base station 104 acquires the failure information from the terminal 101, and the base station 104 identifies the second cell, that is, the base station 104, according to the identifier of the cell in which the terminal 101 generates the RLF included in the failure information. Sending an RLF to the base station 103 to which the second cell belongs Indication, receiving RLF at base station 103 After the indication, the base station 103 determines, according to the failure information, whether the terminal 101 to the second cell is switching too early, and if so, the base station 103 sends a Handover to the base station 102. Report message, where the Handover Report message includes information that switches too early.
- the present invention also provides a method of transmitting failure information of the third embodiment, which is described in detail based on the communication system disclosed in the first embodiment. As shown in FIG. 5, the method for transmitting failure information disclosed in this embodiment includes the following steps:
- Step 501 The terminal 101 switches from the first cell to the second cell. If the terminal 101 fails to read the system information of the second cell, the terminal 101 generates an RLF.
- Step 502 The terminal 101 performs RRC connection re-establishment with the first cell or the RRC connection is successfully established, and the terminal 101 sends the failure information to the base station 102 to which the first cell belongs.
- the failure information is RLF Report
- the failure information includes a failure cause value
- the failure cause value is that the terminal 101 fails to read the system message of the second cell.
- Step 503 The base station 102 determines the state of the terminal 101 according to the failure information, and identifies the second cell according to the cell identifier of the RLF in which the terminal 101 generates the failure information, and the base station 102 sends the RLF indication information to the base station 103 to which the second cell belongs.
- the RLF indication information includes the re-establishment cause value is “Failed to read system message”.
- RLF Indication is sent through X2 port or S1 port.
- Step 504 If the failure cause value of the RLF indication information is that the read system message fails, the base station 103 sends a Handover to the base station 102. Report message.
- Handover The report message includes the identifier of the first cell and the second cell identifier, and a failure cause value: the handover is too early.
- the Handover Report message is sent through the X2 port or the S1 port.
- the present invention records the failure information of the read system message through the terminal, assists the base station to judge the cause of the failure of the terminal, and avoids the misjudgment of the base station, thereby improving the parameter optimization accuracy and efficiency.
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Abstract
本发明公开了一种终端、基站及其发送失败信息的方法。该方法包括以下步骤:终端从第一小区切换到第二小区;终端读取第二小区的***消息失败,在终端发生无线链路失败RLF时,则终端向进行无线资源控制协议RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息,以使基站根据失败信息确定终端的状态,其中失败信息包括失败原因值,失败原因值为读取***消息失败。通过上述方式,本发明能够避免基站出现误判,进而提高参数优化准确度和效率。
Description
【技术领域】
本发明涉及通信技术领域,特别是涉及一种终端、基站及其发送失败信息的方法。
【背景技术】
目前,微蜂窝网络的一个特性是能够让终端从一个小区无缝切换到另一个小区,但在长期演进技术(Long Term
Evolution,LTE)技术中,终端从源小区切换到目标小区后需要读取***消息,以获取目标小区的相关信息,进而使得数据传输能够正常进行。
现有技术中终端在读取***消息失败时,会导致基站出现误判。例如,在终端读取***失败后,数据传输无法正常进行导致终端发生无线链路失败(Radio
Link Failure,RLF),终端与基站进行重建,基站会误判终端在小区发生切换过晚,而实际应该切换过早或切换到错误小区。
【发明内容】
有鉴于此,本发明实施例提供了一种终端、基站及其发送失败信息的方法,以解决在终端读取***消息失败时,造成基站出现误判的问题。
第一方面提供一种发送失败信息的方法,其包括:终端从第一小区切换到第二小区;终端读取第二小区的***消息失败,在终端发生无线链路失败RLF时,则终端向进行无线资源控制协议RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息,以使基站根据失败信息确定终端的状态,其中失败信息包括失败原因值,失败原因值为读取***消息失败。
结合第一方面的实现方式,在第一种可能的实现方式中,终端读取第二小区的***消息失败包括:终端判断在预设的时间阈值内是否读取到第二小区的***消息,若否,则终端读取第二小区的***消息失败;或者终端判断在预设的读取次数阈值内是否读取到第二小区的***消息,若否,则终端读取第二小区的***消息失败。
结合第一方面或第一种可能的实现方式,在第二种可能的实现方式中,终端向进行RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息包括:第三小区所属的基站向第二小区所属的基站发送RLF指示信息,其中RLF指示信息包含失败原因值;第二小区所属的基站向第一小区所属的基站发送Handover
Report消息,其中Handover Report消息包含失败原因值。
第二方面提供一种终端,终端从第一小区切换至第二小区,其中,终端包括接收单元和发送单元,接收单元读取第二小区的***消息失败,在终端发生RLF时,发送单元向进行RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息,以使基站根据失败信息确定终端的状态,其中失败信息包括失败原因值,失败原因值为读取***消息失败。
结合第二方面的实现方式,在第一种可能的实现方式中,终端还包括处理单元,处理单元判断接收单元在预设的时间阈值内是否读取到第二小区的***消息,若否,则接收单元读取第二小区的***消息失败;或者,处理单元判断接收单元在预设的读取次数阈值内是否读取到第二小区的***消息,若否,则接收单元读取第二小区的***消息失败。
结合第二方面或第一种可能的实现方式,在第二种可能的实现方式中,第三小区所属的基站向第二小区所属的基站发送RLF指示信息,其中RLF指示信息包含失败原因值;第二小区所属的基站向第一小区所属的基站发送Handover
Report消息,其中Handover Report消息包含失败原因值。
第三方面提供一种发送失败信息的方法,其包括:终端从第一小区切换到第二小区,在终端发生RLF时,与终端进行RRC连接RRC重建立或者RRC连接建立;从终端获取失败信息,以根据失败信息确定终端的状态,其中失败信息包括失败原因值,失败原因值为读取***消息失败。
结合第三方面的实现方式,在第一种可能的实现方式中,基从终端获取失败信息包括:第三小区所属的基站向第二小区所属的基站发送RLF指示信息,其中RLF指示信息包含失败原因值;第二小区所属的基站向第一小区所属的基站发送Handover
Report消息,其中Handover Report消息包含失败原因值。
第四方面提供一种基站,终端从第一小区切换到第二小区,在终端发生RLF时,第三小区与终端进行RRC连接RRC重建立或者RRC连接建立;第三小区所属的基站从终端获取失败信息,以根据失败信息确定终端的状态,其中失败信息包括失败原因值,失败原因值为读取***消息失败。
结合第四方面的实现方式,在第一种可能的实现方式中,第三小区所属的基站向第二小区所属的基站发送RLF指示信息,其中RLF指示信息包含失败原因值;第二小区所属的基站向第一小区所属的基站发送Handover
Report消息,其中Handover Report消息包含失败原因值。
通过上述方案,本发明的有益效果是:本发明通过在终端与基站进行无线资源控制协议RRC连接重建立或者RRC连接建立时,终端向基站发送失败信息,以使基站根据失败信息确定终端的状态,避免基站出现误判。
【附图说明】
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。其中:
图1是本发明第一实施例的通信***的结构示意图;
图2是本发明第二实施例的通信***的结构示意图;
图3是本发明第三实施例的通信***的结构示意图;
图4是本发明第一实施例的发送失败信息的方法的流程图;
图5是本发明第三实施例的发送失败信息的方法的流程图。
【具体实施方式】
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性的劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参见图1所示,图1是本发明第一实施例的通信***的结构示意图。如图1所示,本实施例所揭示的通信***包括:终端101和至少一个基站。
在本实施例中,通信***包括第一小区所属的基站102、第二小区所属的基站103以及第三小区所属的基站104。终端101包括接收单元105和发送单元106,当终端101从第一小区切换到第二小区时,终端101的接收单元105从基站103读取第二小区的***信息,若终端101的接收单元103读取第二小区的***信息失败,在终端101发生RLF时,终端101与第三小区进行RRC(Radio
Resource
Control,无线资源控制协议)连接重建立或者RRC连接建立,终端101的发送单元106向第三小区所属的基站104发送失败信息,基站104根据失败信息确定终端101的状态。其中,基站104可以与第一小区所属的基站102或基站103为同一基站,也可以与基站102和基站103为不同一个基站。
其中,终端101的状态包括切换过晚、切换过早或切换到错误小区。当终端101在第一小区逗留较长时间后发生RLF时,终端101与第二小区进行RRC连接重建立,则终端101发生切换过晚。当终端101从第一小区切换到第二小区发生切换失败或切换到第二小区后逗留较短时间后发生RLF时,终端101在第一小区尝试进行RRC连接重建立,则终端101发生切换过早。当终端101从第一小区切换到第二小区发生切换失败或切换到第二小区后逗留较短时间后发生RLF时,终端101在第三小区尝试进行RRC连接重建立,则终端101切换到错误小区。在本实施例中,第二小区的***消息可为MIB(Message
Information Base,消息信息库)、SIB(System Information
Block,***信息块)1、SIB2或者SIB8。此外,失败信息包括失败原因值,失败原因值为终端101读取第二小区的***消息失败。
本实施例通过在终端101的接收单元105读取第二小区的***信息失败时,终端101与第三小区进行RRC连接重建立,终端101通过发送单元104向第三小区所属的基站104发送失败信息,基站104根据失败信息确定终端101的状态,避免基站出现误判,进而提高参数优化准确度和效率。
本发明还提供第二实施例的通信***,其在第一实施例所揭示的通信***的基础上进行详细描述。本实施例所揭示的终端101还包括处理单元107如图2所示。
在本实施例中,终端101的处理单元107连接在终端101的接收单元103和发送单元104之间。当终端101从第一小区切换到第二小区时,终端101通过以下方式判断终端101的接收单元105读取第二小区的***信息失败。
终端101的处理单元107判断终端101的接收单元105在预设的时间阈值T内是否读取到第二小区的***信息,若否,则终端101的接收单元105读取第二小区的***消息失败,例如T为1s。
或者终端101的处理单元107判断终端101的接收单元105在预设的读取次数阈值(例如3次)内是否读取到第二小区的***消息,若否,则终端101的接收单元105读取第二小区的***消息失败。
在终端101的接收单元105读取第二小区的***消息失败后,终端101发生RLF,终端101与第三小区进行RRC连接重建立或者RRC连接建立,终端101的处理单元107通过终端101的发送单元106向第三小区所属的基站104发送失败信息。
以下详细描述终端101的处理单元107如何通过终端101的发送单元106向基站104发送失败信息。
在终端101与第三小区进行RRC连接重建立时,终端101的发送单元106向基站104发送RRC连接重建立请求;基站104根据接收到的RRC连接重建立请求产生RRC连接重建立消息,并向终端101的接收单元105发送RRC连接重建立消息;终端101的处理单元107根据RRC连接重建立消息产生RRC连接重建立完成消息,并通过发送单元104向基站104发送RRC连接重建立完成消息。
终端101的处理单元107通过RRC连接重建立完成消息携带指示标识,指示终端101有失败信息。基站104向终端101发送请求信息,终端101的发送单元106根据请求信息向基站104发送响应信息,该响应信息包含具体的失败信息,其中包含指示信息,指示终端101读取***广播消息失败。
此外,在终端101与第三小区进行RRC连接重建立时,终端101的发送单元106向第三小区所属的基站104发送RRC连接重建立请求,基站104向基站103发送RLF指示信息(RLF
Indication),在基站103获取RLF指示信息后,基站103向基站102发送HO report信息。其中,RLF指示信息和HO
report信息均包括失败信息。
在终端101与第三小区成功进行RRC连接重建立时,基站104从终端101获取失败信息,基站104根据失败信息中包含的终端101发生RLF的小区的标识,以识别出第二小区,即基站104向第二小区所属的基站103发送RLF
Indication,在基站103收到RLF
Indication后,基站103根据失败信息判断终端101到第二小区是否切换过早,若是,则基站103向基站102发送Handover
Report消息,其中Handover Report消息包括切换过早的信息。
在终端101与第一小区进行RRC连接重建立成功或者RRC连接建立成功时,终端101的发送单元106向第一小区所属的基站102发送失败信息,基站102根据失败信息确定终端101的状态,并根据失败信息中终端101发生RLF的小区标识识别第二小区,基站102向第二小区所属的基站103发送RLF指示信息,若RLF指示信息的失败原因值是读取***消息失败,则基站103向基站102发送Handover
Report消息。
请参见图3所示,图3是本发明第三实施例的通信***的结构示意图。如图3所示,本实施例所揭示的通信***包括:终端301、第一小区所属的基站302、第二小区所属的基站303以及第三小区所属的基站304。其中,终端301包括接收器305、发送器306以及处理器,当终端301从第一小区切换到第二小区时,终端301的接收器305从基站303读取第二小区的***信息,若终端301的接收器303读取第二小区的***信息失败,在终端301发生RLF时,终端301与第三小区进行RRC连接重建立或者RRC连接建立,终端301的发送器306向第三小区所属的基站304发送失败信息,基站304根据失败信息确定终端301的状态。其中,基站304可以与第一小区所属的基站302或基站303为同一基站,也可以与基站302和基站303为不同一个基站。
在本实施例中,终端301的状态包括切换过晚、切换过早或切换到错误小区。当终端301在第一小区逗留较长时间后发生RLF时,终端301与第二小区进行RRC连接重建立,则终端301发生切换过晚。当终端301从第一小区切换到第二小区发生切换失败或切换到第二小区后逗留较短时间后发生RLF时,终端301在第一小区尝试进行RRC连接重建立,则终端301发生切换过早。当终端301从第一小区切换到第二小区发生切换失败或切换到第二小区后逗留较短时间后发生RLF时,终端301在第三小区尝试进行RRC连接重建立,则终端301切换到错误小区。在本实施例中,第二小区的***消息可为MIB、SIB1、SIB2或者SIB8。此外,失败信息包括失败原因值,失败原因值为终端301读取第二小区的***消息失败。
其中,终端301的处理器307连接在终端301的接收器303和发送器304之间。当终端301从第一小区切换到第二小区时,终端301通过以下方式判断终端301的接收器305读取第二小区的***信息失败。
终端301的处理器307判断终端301的接收器305在预设的时间阈值T内是否读取到第二小区的***信息,若否,则终端301的接收器305读取第二小区的***消息失败,例如T为1s。
或者终端301的处理器307判断终端301的接收器305在预设的读取次数阈值(例如3次)内是否读取到第二小区的***消息,若否,则终端301的接收器305读取第二小区的***消息失败。
以下详细描述终端301的处理器307如何通过终端301的发送器306向基站304发送失败信息。
在终端301与第三小区进行RRC连接重建立时,终端301的发送器306向基站304发送RRC连接重建立请求;基站304根据接收到的RRC连接重建立请求产生RRC连接重建立消息,并向终端301的接收器305发送RRC连接重建立消息;终端301的处理器307根据RRC连接重建立消息产生RRC连接重建立完成消息,并通过发送器304向基站304发送RRC连接重建立完成消息。
终端301的处理器307通过RRC连接重建立完成消息携带指示标识,指示终端301有失败信息。基站304向终端301发送请求信息,终端301的发送器306根据请求信息向基站304发送响应信息,该响应信息包含具体的失败信息,其中包含指示信息,指示终端301读取***广播消息失败。
此外,在终端301与第三小区进行RRC连接重建立时,终端301的发送器306向第三小区所属的基站304发送RRC连接重建立请求,基站304向基站303发送RLF指示信息,在基站303获取RLF指示信息后,基站303向基站302发送HO
report信息。其中,RLF指示信息和HO report信息均包括失败信息。
在终端301与第三小区成功进行RRC连接重建立时,基站304从终端301获取失败信息,基站304根据失败信息中包含的终端301发生RLF的小区的标识,以识别出第二小区,即基站304向第二小区所属的基站303发送RLF
Indication,在基站303收到RLF
Indication后,基站303根据失败信息判断终端301到第二小区是否切换过早,若是,则基站303向基站302发送Handover
Report消息,其中Handover Report消息包括切换过早的信息。
在终端301与第一小区进行RRC连接重建立成功或者RRC连接建立成功时,终端301的发送器306向第一小区所属的基站302发送失败信息,基站302根据失败信息确定终端301的状态,并根据失败信息中终端301发生RLF的小区标识识别第二小区,基站302向第二小区所属的基站303发送RLF指示信息,若RLF指示信息的失败原因值是读取***消息失败,则基站303向基站302发送Handover
Report消息。
本发明还提供第一实施例的发送失败信息的方法,其在第一实施例所揭示的通信***的基础上进行详细描述。如图4所示,本实施所揭示的发送失败信息的方法包括以下步骤:
步骤401:终端101从第一小区切换到第二小区,若终端101读取第二小区的***信息失败,则终端101发生RLF;
步骤402:终端101与第三小区进行RRC连接重建立成功或者RRC连接建立成功,终端101向第三小区所属的基站104发送失败信息;
其中,失败信息为RLF report,并且失败信息包括读取***消息失败。
步骤403:基站104根据失败信息确定终端101的状态。
步骤404:基站104根据失败信息识别终端101发生RLF的第二小区标识,基站104向第二小区所属的基站103发送RLF指示信息;
其中,RLF Indication中包含重建立原因值是“读取***消息失败”。这里RLF
Indication通过X2口或者S1口发送。
步骤405:基站103接收到RLF指示信息后,若判断是第一小区到第二小区切换过早,则基站103向第一小区所属的基站102发送Handover
Report消息。
其中,Handover
Report消息中包含第一小区的标识和第二小区标识,以及原因值:切换过早。这里Handover Report消息通过X2口或者S1口发送。
本发明还提供第二实施例的发送失败信息的方法,其在第一实施例所揭示的发送失败信息的方法的基础上进行详细描述。在步骤401中,终端101通过以下方式判断终端101读取第二小区的***信息失败。终端101判断在预设的时间阈值T内是否读取到第二小区的***信息,若否,则终端101读取第二小区的***消息失败;或者,终端101判断在预设的读取次数阈值内是否读取到第二小区的***消息,若否,则终端101读取第二小区的***消息失败。
在步骤402中,在终端101与第三小区进行RRC连接重建立时,终端101向基站104发送RRC连接重建立请求;基站104根据接收到的RRC连接重建立请求产生RRC连接重建立消息,并向终端101发送RRC连接重建立消息;终端101根据RRC连接重建立消息产生RRC连接重建立完成消息,并向基站104发送RRC连接重建立完成消息。终端101通过RRC连接重建立请求携带失败信息,用于指示终端101有失败信息。
此外,在终端101与第三小区进行RRC连接重建立时,终端101向第三小区所属的基站104发送RRC连接重建立请求,基站104向基站103发送RLF指示信息,在基站103获取RLF指示信息后,基站103向第一小区所属的基站102发送HO
report信息。其中,RLF指示信息和HO report信息均包括失败信息。
在终端101与第三小区成功进行RRC连接重建立时,基站104从终端101获取失败信息,基站104根据失败信息中包含的终端101发生RLF的小区的标识,以识别出第二小区,即基站104向第二小区所属的基站103发送RLF
Indication,在基站103收到RLF
Indication后,基站103根据失败信息判断终端101到第二小区是否切换过早,若是,则基站103向基站102发送Handover
Report消息,其中Handover Report消息包括切换过早的信息。
本发明还提供第三实施例的发送失败信息的方法,其在第一实施例所揭示的通信***的基础上进行详细描述。如图5所示,本实施所揭示的发送失败信息的方法包括以下步骤:
步骤501:终端101从第一小区切换到第二小区,若终端101读取第二小区的***信息失败,则终端101发生RLF;
步骤502:终端101与第一小区进行RRC连接重建立成功或者RRC连接建立成功,终端101向第一小区所属的基站102发送失败信息;
其中,失败信息为RLF
report,并且失败信息包括失败原因值,失败原因值为终端101读取第二小区的***消息失败。
步骤503:基站102根据失败信息确定终端101的状态,并根据失败信息中终端101发生RLF的小区标识识别第二小区,基站102向第二小区所属的基站103发送RLF指示信息。
其中,RLF指示信息包含重建立原因值是“读取***消息失败”。这里RLF
Indication通过X2口或者S1口发送。
步骤504: 若RLF指示信息的失败原因值是读取***消息失败,则基站103向基站102发送Handover
Report消息。
其中,Handover
Report消息中包含第一小区的标识和第二小区标识,以及失败原因值:切换过早。这里Handover Report消息通过X2口或者S1口发送。
综上所述,本发明通过终端记录读取***消息失败的信息,协助基站对终端发生的失败原因进行判断,避免基站出现误判,进而提高参数优化准确度和效率。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (10)
- 一种发送失败信息的方法,其特征在于,所述方法包括:终端从第一小区切换到第二小区;所述终端读取所述第二小区的***消息失败,在所述终端发生无线链路失败RLF时,则所述终端向进行无线资源控制协议RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息,以使所述基站根据所述失败信息确定所述终端的状态,其中所述失败信息包括失败原因值,所述失败原因值为读取***消息失败。
- 根据权利要求1所述的方法,其特征在于,所述终端读取所述第二小区的***消息失败包括:所述终端判断在预设的时间阈值内是否读取到所述第二小区的***消息,若否,则所述终端读取所述第二小区的***消息失败;或者所述终端判断在预设的读取次数阈值内是否读取到所述第二小区的***消息,若否,则所述终端读取所述第二小区的***消息失败。
- 根据权利要求1或2所述的方法,其特征在于,所述终端向进行RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息包括:所述第三小区所属的基站向所述第二小区所属的基站发送RLF指示信息,其中所述RLF指示信息包含所述失败原因值;所述第二小区所属的基站向所述第一小区所属的基站发送Handover Report消息,其中所述Handover Report消息包含所述失败原因值。
- 一种终端,其特征在于,所述终端从第一小区切换至第二小区,其中,所述终端包括接收单元和发送单元,所述接收单元读取所述第二小区的***消息失败,在所述终端发生RLF时,所述发送单元向进行RRC重建立或者RRC连接建立的第三小区所属的基站发送失败信息,以使所述基站根据所述失败信息确定所述终端的状态,其中所述失败信息包括失败原因值,所述失败原因值为读取***消息失败。
- 根据权利要求4所述的终端,其特征在于,所述终端还包括处理单元,所述处理单元判断在预设的时间阈值内是否读取到所述第二小区的***消息,若否,则所述接收单元读取所述第二小区的***消息失败;所述处理单元判断在预设的读取次数阈值内是否读取到所述第二小区的***消息,若否,则所述接收单元读取所述第二小区的***消息失败。
- 根据权利要求4或5所述的终端,其特征在于,所述第三小区所属的基站向所述第二小区所属的基站发送RLF指示信息,其中所述RLF指示信息包含所述失败原因值;所述第二小区所属的基站向所述第一小区所属的基站发送Handover Report消息,其中所述Handover Report消息包含所述失败原因值。
- 一种发送失败信息的方法,其特征在于,所述方法包括:终端从第一小区切换到第二小区,在终端发生RLF时,与所述终端进行RRC连接RRC重建立或者RRC连接建立;从所述终端获取失败信息,以根据所述失败信息确定所述终端的状态,其中所述失败信息包括失败原因值,所述失败原因值为读取***消息失败。
- 根据权利要求7所述的方法,其特征在于,所述从所述终端获取失败信息包括:第三小区所属的基站向所述第二小区所属的基站发送RLF指示信息,其中所述RLF指示信息包含所述失败原因值;所述第二小区所属的基站向所述第一小区所属的基站发送Handover Report消息,其中所述Handover Report消息包含所述失败原因值。
- 一种基站,其特征在于,终端从第一小区切换到第二小区,在终端发生RLF时,第三小区与所述终端进行RRC连接RRC重建立或者RRC连接建立;所述第三小区所属的基站从所述终端获取失败信息,以根据所述失败信息确定所述终端的状态,其中所述失败信息包括失败原因值,所述失败原因值为读取***消息失败。
- 根据权利要求9所述的基站,其特征在于,所述第三小区所属的基站向所述第二小区所属的基站发送RLF指示信息,其中所述RLF指示信息包含所述失败原因值;所述第二小区所属的基站向所述第一小区所属的基站发送Handover Report消息,其中所述Handover Report消息包含所述失败原因值。
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