WO2015110029A1 - 无线通信系统、无线通信系统中的装置和方法 - Google Patents
无线通信系统、无线通信系统中的装置和方法 Download PDFInfo
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- WO2015110029A1 WO2015110029A1 PCT/CN2015/071295 CN2015071295W WO2015110029A1 WO 2015110029 A1 WO2015110029 A1 WO 2015110029A1 CN 2015071295 W CN2015071295 W CN 2015071295W WO 2015110029 A1 WO2015110029 A1 WO 2015110029A1
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Definitions
- the present disclosure relates to the field of wireless communication technologies, and more particularly to a device-side device, a device, a method for use in a wireless communication system, and a wireless communication system in a wireless communication system capable of quickly solving a wireless link problem.
- the (2) scheme it can improve the success probability of RRC connection re-establishment, but when the user equipment context saved by the source cell changes, additional signaling overhead is required for transmitting a new user equipment context, and the letter The overhead is proportional to the number of target cells re-established by the potential RRC connection, and it is also possible to introduce additional delays.
- An important concept in the dual connectivity design is the separation of the control plane/user plane, through which the user equipment can, for example, remain connected to both the macrocell base station and the small cell base station.
- the macro cell base station and the small cell base station often distinguish between the transmit power and the deployment scenario. For example, the macro cell base station transmits a large power, often as a large area coverage, and the small cell base station transmits a much smaller power, often covering only one. Hotspots, but because the physical distance from the user equipment is relatively close, the user equipment can obtain better channel quality relatively easily.
- the macro cell base station is often responsible for the control plane, for example, the control signaling bearer, providing more stable and flexible mobility control, and thus is also called an anchor node;
- the anchor node and the gain node are often spatially isolated from each other, so the wireless connections between the user equipment and the two nodes are often independent of each other and unrelated. Therefore, diversity gain can be utilized to provide better mobile robustness to user equipment in a dual connectivity scenario.
- a device on a user equipment side in a wireless communication system comprising: a wireless link problem detecting unit that detects a first wireless link between a first node and a user equipment Determining whether a wireless link problem occurs; the timer configuration unit starts a first timer when detecting a wireless link problem on the first wireless link, wherein the user equipment considers that the first device expires when the first timer expires a radio link failure event occurs on the first radio link; and the radio link information reporting unit passes the content of the radio link information including the first radio link when detecting the radio link problem on the first radio link A second wireless link between the user equipment and the second node is reported to the second node.
- a method for use in a wireless communication system comprising: a wireless link information receiving step of generating a wireless link between a first wireless link between a user equipment and a first node Receiving, by the user equipment, a report of the content of the wireless link information of the first wireless link, wherein the user equipment starts the first timer and detects that the wireless link problem occurs on the first wireless link When a timer expires, it is considered that a radio link failure event occurs on the first radio link, and an indication step is performed to instruct the user equipment or the first node to perform corresponding operations according to the received report to solve the radio link problem.
- a program product comprising machine executable instructions that, when executed on an information processing device, cause the information processing device to perform the following steps: a wireless link problem a detecting step of detecting a first wireless link between the first node and the user equipment to determine whether a wireless link problem occurs; and a timer configuration step of starting when detecting that a wireless link problem occurs on the first wireless link a first timer, wherein the user equipment considers that the first radio link detects a radio link failure event when the first timer expires; and the radio link information reporting step, when detecting that the first radio link is wireless When the link problem occurs, the content of the wireless link information including the first wireless link is reported to the second node through the second wireless link between the user equipment and the second node.
- a program product comprising machine executable instructions that, when executed on an information processing device, cause the information processing device to perform the following steps: wireless link information a receiving step of receiving, from the user equipment, a report including content of the wireless link information of the first wireless link when the wireless link problem occurs on the first wireless link between the user equipment and the first node, where the user equipment is detecting Starting a first timer when a wireless link problem occurs on the first wireless link, and detecting that a first radio link failure occurs when the first timer expires; and indicating a step according to the received report And instructing the user equipment or the first node to perform corresponding operations to solve the wireless link problem.
- a storage medium comprising machine readable program code, when executed on an information processing device, the program code causing the information processing device to perform the step of: receiving Step between the first node and the user equipment When the first wireless link has a wireless link problem, a warning about the wireless link problem is received from the second node, so that the first node takes corresponding measures according to the warning to solve the wireless link problem.
- a program product comprising machine executable instructions that, when executed on an information processing device, cause the information processing device to perform the following steps: receiving a step when When a wireless link problem occurs on the first wireless link between the first node and the user equipment, a warning about the wireless link problem is received from the second node, so that the first node takes corresponding measures according to the warning to solve the wireless link problem.
- FIG. 1 is a block diagram showing a functional configuration example of a device on a user equipment side in a wireless communication system according to an embodiment of the present disclosure
- FIG. 2 is a block diagram showing a functional configuration example of a device on the user equipment side in a wireless communication system according to another embodiment of the present disclosure
- FIG. 3 is a block diagram showing a functional configuration example of a device on a user equipment side in a wireless communication system according to another embodiment of the present disclosure
- FIG. 4 is a block diagram showing a functional configuration example of a device on a user equipment side in a wireless communication system according to another embodiment of the present disclosure
- FIG. 5 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to an embodiment of the present disclosure
- FIG. 6 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- FIG. 7 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- FIG. 8 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- FIG. 9 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to an embodiment of the present disclosure.
- FIG. 10 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- FIG. 12 is a flowchart illustrating an example of a procedure of a method for use in a wireless communication system, according to an embodiment of the present disclosure
- FIG. 13 is a flowchart illustrating an example of a procedure of a method for use in a wireless communication system, according to an embodiment of the present disclosure
- FIG. 14 is a flowchart illustrating an example of a procedure of a method for use in a wireless communication system, according to an embodiment of the present disclosure
- 15 is a block diagram showing a configuration example of a wireless communication system according to an embodiment of the present disclosure.
- 16 is a block diagram showing an example structure of a personal computer which is an information processing device which can be employed in an embodiment of the present disclosure.
- FIG. 1 is a block diagram showing a functional configuration example of a device on a user equipment side in a wireless communication system according to an embodiment of the present disclosure.
- the timer configuration unit 104 can be configured to start the first timer when detecting that the first wireless link has a wireless link problem, wherein the user equipment considers that the first wireless link is detected when the first timer expires Radio Link Failure (RLF) event.
- RLF Radio Link Failure
- the first timer herein corresponds to, for example, the T310 timer described above.
- the wireless link information reporting unit 106 may be configured to pass the content of the wireless link information including the first wireless link between the second node and the user equipment when detecting that the first wireless link has a wireless link problem
- the second wireless link is reported to the second node.
- the second node can notify the first node of the wireless link problem through the X2 interface, so that the first node can prepare the relevant user equipment context in time to provide to the possible handover target node/or take the auxiliary user equipment to solve the wireless link.
- Other measures of the problem can reduce the service interruption time.
- the information related to the second timer may include a status of the second timer and corresponding cell information, where the status of the second timer includes at least one of running and having expired.
- the cell information may include, for example, a cell ID corresponding to the second timer.
- the information related to the second timer may further include corresponding information of the measured report event, such as measuring the type of the reported event.
- the first/second node can know the current potential handoverable cell, and assist the user equipment to quickly solve the wireless link problem by combining network deployment information, load information, and the like.
- the information related to the second timer may also include only the status information of the second timer (eg, running or has expired) and the number of second timers corresponding to different states.
- the first/second node may determine that the user equipment may be located at the cell edge, so that the timer configuration unit 104 may configure the shorter first timer. duration.
- the timer configuration unit 104 may configure the shorter first timer. duration.
- the filtered cell is empty, it means that there is no switchable target cell, so that the first timer remains unchanged, and the user equipment reconnects with the first node after the expiration of the first timer.
- the base station side decides to maintain the first timer unchanged.
- the screening process is performed by the user equipment side, if the filtered result is empty, the user may choose not to report to maintain the first timer unchanged.
- the wireless link information reporting unit 106 further determines whether the number of candidate cells is greater than a predetermined threshold, and if it is determined that the number of candidate cells is greater than a predetermined threshold, does not report to the second node information related to the timer of the user equipment as described above. Content. It should be understood that if the number of candidate cells is greater than a predetermined threshold, it indicates that there are multiple cells satisfying the entry condition of the handover event, and the user equipment is currently at the densely deployed small cell boundary. In this case, there may be no cells whose signal strength is obviously superior to other cells, and the interference situation is serious.
- information related to the wireless link problem of the first wireless link is transmitted to the second node by means of the second wireless link in good condition, and the second node can notify the first node via, for example, the X2 interface
- the first node can prepare the user equipment context in advance to provide to the potential handover target cell, so that the time of the user equipment service interruption can be reduced, thereby obtaining a better user experience.
- the first timer eg, T310 timer
- the first timer can be configured more reasonably, thereby further facilitating the reduction of service interruption of the user equipment. time.
- connection control unit 210 can be configured to cause the user equipment to perform corresponding operations to resolve the wireless link problem in accordance with the indication received by the indication receiving unit 208.
- the connection control unit 210 causes the user equipment to release Before the connection of the first node and attempting to establish a connection with the target cell, the user equipment is connected to the second node to establish a control plane connection for transmission by the second radio link primary bearer control signaling, so that the second node is an anchor node at this time , complete the conversion of the anchor node / gain node. After the conversion is completed, the user equipment synchronizes with the target cell to establish a connection of the gain node.
- the timer configuration unit 204 can maintain the first timer unchanged, and the connection control unit 210 can release the connection with the first node when the first timer expires, such that The traffic carried by the first radio link is transferred to the second radio link, thereby becoming a single connection from dual connectivity.
- the timer configuration unit 204 can maintain the first timer unchanged, and the connection control unit 210 can perform the prior art when the first timer expires. A similar reconnection process.
- the indication made by the second node may further include maintaining the reason for the change or expiring at the first timer Then perform an indication of reconnecting or releasing the connection.
- the indication is that the first node is reconnected after the expiration of the first timer; and if the reason remains unchanged If the number of cells corresponding to the second timer is too large or all cells corresponding to the second timer are unavailable, the indication is that the connection to the first node is released after the expiration of the first timer.
- connection control unit 210 may cause the user equipment to reconnect or release the connection to the first node according to the indication received from the second node, where the first node is released In the case of the connection, the connection control unit 210 causes the traffic carried by the first radio link to be transferred to the second radio link, so that the user equipment becomes a single connection from the dual connection.
- the operation of re-establishing the connection can be started immediately.
- the operation of re-establishing the connection can be started immediately.
- the disclosure further shortens the time for user equipment service interruption.
- the present disclosure may not Set the third timer.
- the timer configuration unit 204 can adjust the length of time of the first timer according to the indication received by the receiving unit 208.
- the second node may indicate that the duration of the first timer is appropriately extended to wait for the first radio link recovery.
- the second node may indicate that the duration of the first timer is appropriately extended to wait for the first radio link recovery.
- the second node if it is determined that there is a second timer corresponding to the measurement reporting event when the current radio link problem occurs, it indicates that the first radio link is in a bad condition, so that the second node can indicate that the first timer is configured. Short duration. For example, if the second node finds that there is no second timer that is running or has expired according to the content reported by the user, it is presumed that the user equipment does not reach the cell edge of the first node, so the second node may indicate the setting at this time.
- the long first timer waits for more time to wait for the first radio link to resume, so that the timer configuration unit 204 can configure a longer first timer duration based on the indication received from the second node.
- the shorter first timer duration may be indicated according to the number of the second timer, the load of the corresponding cell, and the like, thereby The configuration unit 204 can configure a shorter first timer duration according to the indication to quickly resolve the wireless link problem by reconnecting, switching, or releasing the connection.
- FIG. 3 is a block diagram showing a functional configuration example of a device on the user device side according to another embodiment of the present disclosure.
- the device 300 on the user equipment side may include a wireless link problem detecting unit 302, a timer configuring unit 304, a wireless link information reporting unit 306, and a node notifying unit 208.
- the functional configuration of the radio link problem detecting unit 302, the timer configuring unit 304, and the radio link information reporting unit 306 is the same as the radio link problem detecting unit 102, the timer configuring unit 104, and the radio link described above with reference to FIG.
- the function configuration of the information reporting unit 106 is the same, and the description thereof will not be repeated here. Only a functional configuration example of the node notification unit 308 will be described in detail below.
- the node notification unit 308 can be configured to notify the second node that the user equipment is recovering from the discontinuous reception sleep state if the user equipment is in the discontinuous reception sleep state of the second node when the wireless link problem occurs on the first wireless link. To achieve the first no on the second wireless link Transmission of wireless link information for line links.
- the discontinuous reception (DRX) mechanism is generally used to save power consumption of user equipment, with an emphasis on the agreement between other node terminals and user equipment terminals regarding when to turn on data reception and when to turn off data reception. Therefore, the user equipment can actively notify the node through the relevant mechanism that it wishes to recover from the DRX sleep state.
- the node notification unit 308 may additionally add a few bits of information in the resource scheduling signaling (SR) of the physical uplink control channel (PUCCH) to notify the second node.
- SR resource scheduling signaling
- PUCCH physical uplink control channel
- the apparatus 300 can naturally also include the indication receiving unit 208 as described above with reference to FIG. And connecting the control unit 210.
- FIG. 4 is a block diagram showing a functional configuration example of a device on the user device side according to another embodiment of the present disclosure.
- the device 400 on the user equipment side may include a radio link problem detecting unit 402, a timer configuration unit 404, a radio link information reporting unit 406, and a discontinuous reception period configuration unit 408.
- the function configuration of the radio link problem detecting unit 402, the timer configuring unit 404, and the radio link information reporting unit 406 is the radio link problem detecting unit 102, the timer configuring unit 104, and the radio link information described with reference to FIG.
- the functional configuration of the reporting unit 106 is the same, and the description thereof will not be repeated here. Only a functional configuration example of the discontinuous reception cycle configuration unit 408 will be described in detail below.
- the discontinuous reception period configuration unit 408 may be configured to: if the signal quality measured at the first node is lower than a predetermined threshold, the second wireless chain between the user equipment and the second node according to the length of time of the first timer Configuring a discontinuous reception period on the road (for example, making the DRX cycle length smaller than or equal to the duration of the first timer), and/or if the first timer is in operation in the discontinuous reception activation state, Between the second node A short discontinuous reception cycle is configured on the second wireless link.
- the functional configuration of the above device 400 is merely an example and not a limitation, and can be modified as appropriate by those skilled in the art.
- the device 400 may naturally include the above-mentioned indication receiving unit 208, the connection control unit 210, and the node notification. Unit 308.
- FIG. 5 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to an embodiment of the present disclosure.
- the apparatus 500 may include a wireless link information receiving unit 502 and an indicating unit 504.
- the wireless link information receiving unit 502 can be configured to receive, from the user equipment, content of the wireless link information including the first wireless link when the first wireless link between the user equipment and another node has a wireless link problem Reporting, wherein the user equipment starts the first timer when detecting that the first wireless link has a wireless link problem and considers that the first wireless link detects a radio link failure event when the first timer expires. Thereafter, the node corresponding to the device 500 can notify the other node of the relevant information through, for example, the X2 interface.
- the content of the report may include information about a second timer of the user equipment, where the user equipment starts a second timer for each of the satisfied measurement reporting events when the existing cell meets the predetermined measurement reporting event.
- the second timer expires, the corresponding measurement is reported.
- the measurement reporting events herein include, for example, the above events A1 to A6 and events B1 and B2.
- another node here corresponds to the above-mentioned first node
- the node corresponding to the device 500 corresponds to the above-mentioned second node.
- FIG. 6 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- the apparatus 600 may include a wireless link information receiving unit 602, an instructing unit 604, and a first timer duration determining unit 606.
- the functional configuration of the wireless link information receiving unit 602 and the indicating unit 604 is the same as that of the wireless link information receiving unit 502 and the indicating unit 504 described with reference to FIG. 5, and the description thereof will not be repeated here. Only a functional configuration example of the first timer duration determining unit 606 will be described in detail below.
- the first timer duration determining unit 606 may be configured to determine a length of time of the first timer of the user equipment according to the received report, and the instructing unit 604 may indicate the determined length of time of the first timer to the user equipment .
- the first The timer duration determining unit 606 can determine a longer first timer duration to wait for the first radio link recovery.
- the first timer duration determining unit 606 can determine a shorter one. The first timer duration is such that the user equipment can resolve the wireless link problem as soon as possible.
- FIG. 7 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- the apparatus 700 may include a wireless link information receiving unit 702, an instructing unit 704, and an information processing unit 706.
- the functional configuration of the wireless link information receiving unit 702 and the indicating unit 704 is the same as that of the wireless link information receiving unit 502 and the indicating unit 504 described with reference to FIG. 5, and the description thereof will not be repeated here. Only the functional configuration example of the information processing unit 706 will be described in detail below.
- the information processing unit 706 may be configured to filter out candidate cells of the same cell type from all cells corresponding to the second timer, and determine availability of each candidate cell, wherein the cell type includes a macro cell and a small cell Community. For example, if the cell type of another node is a macro cell, the selected candidate cell should be only a macro cell. On the other hand, if the cell type of another node is a small cell, the selected candidate cell should be only small. Community. As an example, information processing unit 706 can determine its availability based on the traffic load conditions of each cell (eg, when certain cells have a lighter traffic load and overall communication quality is better, it is determined to be available).
- the information processing unit 706 preferentially determines the availability of the candidate cell corresponding to the second timer that has expired, and if all candidate cells corresponding to the second timer that has expired are unavailable, then The availability of candidate cells corresponding to the second timer being run is further determined. Then, the processing result of the information processing unit 706 can be notified to the user equipment through the instructing unit 704.
- the information processing unit 706 determines the availability of the cells obtained after the screening so that switching between cells of the same class can be performed, reducing unnecessary usability detection, but the present disclosure is not limited thereto. As the technology evolves, the information processing unit 706 can also determine the availability of cells corresponding to all of the second timers, thereby enabling switching between cells of different classes.
- the processing performed by information processing unit 706 is optional, and some processing may also be performed on the user equipment side.
- the information processing unit 706 can directly determine the availability of the candidate cell.
- FIG. 8 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- the information processing unit 806 determines that none of the candidate cells are available according to the information received by the receiving unit 808 (for example, the related information of the candidate cells having the context information of the user equipment), it is determined that the operation of the first timer is maintained unchanged. And the indicating unit 804 indicates the user The device does not change the first timer and releases the connection with another node when the first timer expires and transfers the traffic carried by the first radio link to the node corresponding to the device 800, thereby becoming a single connection from the dual connection.
- device 900 can include a receiving unit 902.
- FIG. 11 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- the device 1100 can include a receiving unit 1102 and a determining unit 1104.
- the functional configuration of the receiving unit 1102 is the same as the functional configuration of the receiving unit described above with reference to FIGS. 10 and 11, and the description thereof will not be repeated here. Only a functional configuration example of the determination unit 1104 will be described in detail below.
- FIG. 12 is a flowchart illustrating an example of a procedure of a method used in a wireless communication system, according to an embodiment of the present disclosure.
- a first radio link between the first node and the user equipment is detected to determine whether a radio link problem has occurred.
- the first timer is started, where the user equipment considers that the first wireless chain is detected when the first timer expires.
- a radio link failure event occurs on the road.
- the wireless link information reporting step S1206 when it is detected that the first wireless link has a wireless link problem, the content of the wireless link information including the first wireless link is passed between the user equipment and the second node. The second wireless link is reported to the second node.
- the second node can issue a warning to the first node via, for example, the X2 interface, notifying that a wireless link problem has occurred, so that the first node can prepare the user, for example, in advance.
- the context information of the device is provided to the potential handover target cell, thereby facilitating to some extent to reduce the service interruption time of the user equipment.
- FIG. 13 is a flowchart illustrating an example of a procedure of a method for use in a wireless communication system, according to an embodiment of the present disclosure.
- the radio link information receiving step S1302 when a radio link problem occurs on the first radio link between the user equipment and the first node, the first radio link including the first radio link is received from the user equipment. Reporting of the content of the wireless link information, wherein the user equipment starts the first timer when detecting that the first wireless link has a wireless link problem, and considers that the first wireless link is detected when the first timer expires Wireless link failure event.
- the user equipment or the first node is instructed to perform a corresponding operation to resolve the wireless link problem according to the received report.
- the method for use in the wireless communication system described herein is a method embodiment corresponding to the device in the wireless communication system described above with reference to FIGS. 5 to 8, and thus the content not described in detail herein can be implemented with reference to the above device. The description of the corresponding position in the example will not be repeated here.
- FIG. 14 is a flowchart illustrating an example of a procedure of a method for use in a wireless communication system, according to an embodiment of the present disclosure.
- the method for use in the wireless communication system described herein is a method embodiment corresponding to the device in the wireless communication system described above with reference to FIGS. 9 to 11, and thus the content not described in detail herein can be implemented with reference to the above device. The description of the corresponding position in the example will not be repeated here.
- wireless communication system 1500 can include user equipment 1502, first node 1504, and second node 1506.
- the user equipment 1502, the first node 1504, and the second node 1506 may respectively include the apparatus on the user equipment side and the apparatus on the node side described above, or may implement the corresponding method used in the wireless communication system described above, the specific content. See the description of the corresponding position above, which will not be repeated here.
- a wireless link occurs.
- the user equipment may report the content of the wireless link information including the first wireless link to the second node through the second wireless link between the user equipment and the second node, to indicate the user equipment or
- the first node performs corresponding operations to resolve the wireless link problem.
- the wireless link problem occurring on another wireless link is solved by means of a good wireless link, which helps to reduce the service interruption time of the user equipment. Improve the user experience.
- embodiments of the present disclosure also provide a storage medium including machine readable program code that, when executed on an information processing device, causes the information processing device to perform the following steps: a wireless chain a path problem detecting step of detecting a first wireless link between the first node and the user equipment to determine whether a wireless link problem occurs; a timer configuration step, when detecting a wireless link problem on the first wireless link The first timer is started, wherein the user equipment considers that the first radio link detects a radio link failure event when the first timer expires; and the radio link information reporting step, when the first radio link is detected hair When the wireless link problem occurs, the content of the wireless link information including the first wireless link is reported to the second node through the second wireless link between the user equipment and the second node.
- embodiments of the present disclosure also provide a program product including machine-executable instructions that, when executed on an information processing device, cause the information processing device to perform the following steps: wireless link information reception Step, when a wireless link problem occurs on the first wireless link between the user equipment and the first node, receiving, from the user equipment, a report including content of the wireless link information of the first wireless link, where the user equipment detects Starting a first timer when a wireless link problem occurs on the first wireless link and detecting that a first radio link failure event occurs when the first timer expires; and indicating a step according to the received report Instruct the user equipment or the first node to perform corresponding operations to solve the wireless link problem.
- an embodiment of the present disclosure further provides a storage medium including machine readable program code, when the program code is executed on the information processing device, the program code causes the information processing device to perform the following steps: receiving step Receiving a warning about the wireless link problem from the second node when the first wireless link between the first node and the user equipment has a wireless link problem, so that the first node takes corresponding measures according to the warning to solve the wireless link. problem.
- embodiments of the present disclosure also provide a program product including a machine An executable instruction, when the instruction is executed on the information processing device, causes the information processing device to perform the step of: receiving a wireless link problem when the first wireless link between the first node and the user equipment occurs, A warning about the wireless link problem is received from the second node so that the first node takes appropriate action to resolve the wireless link problem based on the warning.
- machine-executable instructions in the electronic device, the storage medium, and the program product according to the embodiments of the present disclosure may also be executed by the method corresponding to the device embodiment described above, and thus the content not described in detail herein may refer to the previous The description of the corresponding position will not be repeated here.
- a storage medium for carrying a program product storing the above-described storage machine readable instruction code is also included in the disclosure of the present invention.
- the storage medium includes, but is not limited to, a floppy disk, an optical disk, a magneto-optical disk, a memory card, a memory stick, and the like.
- a central processing unit (CPU) 1601 executes various processes in accordance with a program stored in a read only memory (ROM) 1602 or a program loaded from a storage portion 1608 to a random access memory (RAM) 1603.
- ROM read only memory
- RAM random access memory
- data required when the CPU 1601 executes various processes and the like is also stored as needed.
- the CPU 1601, the ROM 1602, and the RAM 1603 are connected to each other via a bus 1604.
- Input/output interface 1605 is also coupled to bus 1604.
- Driver 1610 is also coupled to input/output interface 1605 as needed.
- a removable medium 1611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 1610 as needed, so that the computer program read therefrom is installed into the storage portion 1608 as needed.
- such a storage medium is not limited to the removable medium 1611 shown in FIG. 16 in which a program is stored and distributed separately from the device to provide a program to the user.
- Examples of the detachable medium 1611 include a magnetic disk (including a floppy disk (registered trademark)), an optical disk (including a compact disk read only memory (CD-ROM) and a digital versatile disk (DVD)), and a magneto-optical disk (including a mini disk (MD) (registered trademark) )) and semiconductor memory.
- the storage medium may be a ROM 1602, a hard disk included in the storage portion 1608, or the like, in which programs are stored, and distributed to the user together with the device containing them.
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Abstract
Description
Claims (36)
- 一种无线通信系统中的用户设备侧的装置,包括:无线链路问题检测单元,对第一节点与用户设备之间的第一无线链路进行检测,以确定是否发生无线链路问题;定时器配置单元,当检测到所述第一无线链路发生无线链路问题时启动第一定时器,其中,在所述第一定时器期满时所述用户设备认为检测到所述第一无线链路发生无线链路失败事件;以及无线链路信息报告单元,当检测到所述第一无线链路发生无线链路问题时,将包含所述第一无线链路的无线链路信息的内容通过所述用户设备与第二节点之间的第二无线链路报告给所述第二节点。
- 根据权利要求1所述的用户设备侧的装置,其中,报告给所述第二节点的内容包括所述用户设备的第二定时器有关的信息,其中,当存在小区满足预定的测量上报事件时,对每个满足的测量上报事件,所述用户设备分别启动一个第二定时器,当所述第二定时器期满时进行相应测量上报。
- 根据权利要求2所述的用户设备侧的装置,其中,所述第二定时器有关的信息包括所述第二定时器的状态和对应的小区信息,其中,所述第二定时器的状态包括正在运行和已经期满中的至少之一。
- 根据权利要求1至3中任一项所述的用户设备侧的装置,还包括:指示接收单元,从所述第二节点接收关于所述第一无线链路的指示;以及连接控制单元,根据所述指示接收单元接收的指示而使得所述用户设备执行相应操作以解决所述无线链路问题。
- 根据权利要求4所述的用户设备侧的装置,其中,所述定时器配置单元根据所述指示接收单元接收的指示而调整所述第一定时器的时间长度。
- 根据权利要求2至5中任一项所述的用户设备侧的装置,其中,当检测到所述第一无线链路发生无线链路问题时,所述定时器配置单元还同时启动第三定时器,其中,所述无线链路信息报告单元在所述第三定时器期满时向所述第二节点进行所述内容的报告,所述第三定时器的时间长 度比所述第一定时器的时间长度短。
- 根据权利要求6所述的用户设备侧的装置,其中,当所述第三定时器期满后,所述定时器配置单元重置所述第三定时器并重新触发重置后的所述第三定时器,并在所述第三定时器期满时向所述第二节点进行所述内容的报告,直至所述第一定时器期满或中止。
- 根据权利要求2至7中任一项所述的用户设备侧的装置,其中,所述无线链路信息报告单元还从与所述第二定时器对应的所有小区中筛选出与所述第一节点的小区类型相同的候选小区,并将所述候选小区对应的第二定时器有关的信息报告给所述第二节点,其中,小区类型包括宏小区和小小区。
- 根据权利要求8所述的用户设备侧的装置,其中,所述无线链路信息报告单元还判断所述候选小区数量是否大于预定阈值,并且如果判断所述候选小区数量大于预定阈值,则不向所述第二节点进行所述内容的报告。
- 根据权利要求4至9中任一项所述的用户设备侧的装置,其中,所述指示还包括所述第二定时器对应的小区的可用性信息和对于所述第一定时器的控制信息,所述定时器配置单元根据对于所述第一定时器的控制信息对所述第一定时器的运行进行中止或维持不变的处理。
- 根据权利要求10所述的用户设备侧的装置,其中,所述第二定时器对应的小区的可用性信息包括指示哪些小区具有所述用户设备与所述第一节点之间的上下文信息的信息。
- 根据权利要求10或11所述的用户设备侧的装置,其中,所述连接控制单元在所述第一定时器中止后,根据所述第二定时器对应的小区的可用性信息使得所述用户设备释放与所述第一节点的连接并且尝试与所述第二定时器对应的小区中可用的目标小区建立连接,或者释放与所述第一节点的连接并使得所述第一无线链路承载的业务转移至所述第二无线链路。
- 根据权利要求10所述的用户设备侧的装置,其中,当对于所述第一定时器的控制信息指示对所述第一定时器的运行维持不变时,所述指示还包括维持不变的原因或在所述第一定时器期满后执行重连接或释放连接的指示。
- 根据权利要求13所述的用户设备侧的装置,其中,当所述第一 定时器期满时,所述连接控制单元根据所述指示使得所述用户设备对所述第一节点进行重连接或释放对所述第一节点的连接,在释放对所述第一节点的连接的情况下,所述连接控制单元使得所述第一无线链路承载的业务转移至所述第二无线链路。
- 根据权利要求12所述的用户设备侧的装置,其中,当所述第一无线链路主要承载控制信令传输时,所述连接控制单元在使得所述用户设备释放与所述第一节点的连接并且尝试与所述目标小区建立连接之前,使得所述用户设备与所述第二节点建立控制平面连接以便转由所述第二无线链路主要承载控制信令传输。
- 根据权利要求1至15中任一项所述的用户设备侧的装置,还包括:节点通知单元,如果在所述第一无线链路发生无线链路问题时所述用户设备处于对所述第二节点的非连续接收休眠状态,则向所述第二节点通知所述用户设备从所述非连续接收休眠状态恢复以实现在所述第二无线链路上对所述第一无线链路的无线链路信息的传输。
- 根据权利要求1至16中任一项所述的用户设备侧的装置,还包括:非连续接收周期配置单元,如果在所述第一节点所测量的信号质量低于预定阈值,则根据所述第一定时器的时间长度为所述用户设备在与所述第二节点之间的第二无线链路上配置非连续接收周期,以及/或者如果在非连续接收激活状态下所述第一定时器处于运行中,则为所述用户设备在与所述第二节点之间的第二无线链路上配置短的非连续接收周期。
- 根据权利要求1至17中任一项所述的用户设备侧的装置,其中,所述第一节点和所述第二节点中至少之一是基站。
- 一种无线通信系统中的装置,包括:无线链路信息接收单元,在用户设备与另一节点间的第一无线链路发生无线链路问题时,从所述用户设备接收包含所述第一无线链路的无线链路信息的内容的报告,其中,所述用户设备在检测到所述第一无线链路发生无线链路问题时启动第一定时器并在所述第一定时器期满时认为检测到所述第一无线链路发生无线链路失败事件;以及指示单元,根据所接收的报告而指示所述用户设备或所述另一节点进行相应操作以解决所述无线链路问题。
- 根据权利要求19所述的装置,其中,所述报告的内容包括所述用户设备的第二定时器有关的信息,其中,当存在小区满足预定的测量上报事件时,对每个满足的测量上报事件,所述用户设备分别启动一个第二定时器,当所述第二定时器期满时进行相应测量上报。
- 根据权利要求20所述的装置,还包括:第一定时器时长确定单元,根据所述报告确定所述用户设备的第一定时器的时间长度,所述指示单元将所确定的所述用户设备的第一定时器的时间长度指示给所述用户设备。
- 根据权利要求20所述的装置,所述指示单元将所述无线链路问题的警告信息以及所述第二定时器有关的信息发送给所述另一节点。
- 根据权利要求20所述的装置,还包括:信息处理单元,从与所述第二定时器对应的所有小区中筛选出与所述另一节点的小区类型相同的候选小区,并确定各候选小区的可用性,其中,小区类型包括宏小区和小小区。
- 根据权利要求23所述的装置,还包括:接收单元,从所述另一节点接收关于哪些候选小区具有所述另一节点与所述用户设备之间的上下文信息的信息,并且所述信息处理单元根据所述接收单元接收的信息确定各候选小区的可用性,以及根据候选小区的情况确定对于所述第一定时器的控制信息,其中,对于所述第一定时器的控制信息包括对所述第一定时器的运行进行中止或维持不变,以及所述指示单元将各候选小区的可用性信息以及对于所述第一定时器的控制信息指示给所述用户设备。
- 根据权利要求24所述的装置,其中,当不存在所述候选小区、所述候选小区的数量超过预定阈值或所述候选小区均不可用时,所述信息处理单元确定对所述第一定时器的运行维持不变,以及所述指示单元向所述用户设备指示维持不变的原因,其中,当不存在所述候选小区或所述候选小区均不可用时,所述指示单元指示所述用户设备在所述第一定时器期满后执行对所述另一节点进行重连接,并且当所述候选小区的数量超过预定阈值时,所述指示单元指示所述用户设备在所述第一定时器期满后释放与所述另一节点的连接。
- 根据权利要求24所述的装置,其中,当存在可用的候选小区时,所述信息处理单元确定在可用的候选小区对应的第二定时器期满时对所 述第一定时器进行中止处理,以便所述用户设备释放与所述另一节点的连接并且尝试与可用的候选小区对应的目标节点建立连接。
- 根据权利要求26所述的装置,其中,当所述第一无线链路主要承载控制信令传输时,在所述用户设备释放与所述另一节点的连接并且尝试与所述目标节点建立连接之前,在所述装置对应的节点与所述用户设备之间建立控制平面连接以便转由所述装置对应的节点与所述用户设备之间的第二无线链路主要承载控制信令传输。
- 根据权利要求19至27中任一项所述的装置,其中,所述装置对应的节点和所述另一节点至少之一是基站。
- 一种无线通信系统中的装置,包括:接收单元,当所述装置对应的节点与用户设备之间的第一无线链路发生无线链路问题时,从另一节点接收关于所述无线链路问题的警告,以便所述装置根据所述警告采取相应措施以解决所述无线链路问题。
- 根据权利要求29所述的装置,其中,所述接收单元还从所述另一节点接收所述用户设备的第二定时器有关的信息,其中,当存在小区满足预定的测量上报事件时,对每个满足的测量上报事件,所述用户设备分别启动一个所述第二定时器,并且当所述第二定时器期满时进行相应测量上报,其中,所述装置还包括:上下文信息发送单元,向所述第二定时器对应的小区发送所述装置对应的节点与所述用户设备之间的上下文信息,并告知所述另一节点哪些小区拥有所述上下文信息。
- 根据权利要求29或30所述的装置,还包括:判定单元,当所述第一无线链路主要承载控制信令传输时,判定是否对所述装置对应的节点执行重连接、切换或释放连接的操作,以便告知所述另一节点而由所述另一节点指示所述用户设备执行相应操作以解决所述无线链路问题。
- 根据权利要求29至31中任一项所述的装置,其中,所述装置对应的节点和所述另一节点至少之一是基站。
- 一种用在无线通信系统中的方法,包括:无线链路问题检测步骤,对第一节点与用户设备之间的第一无线链路进行检测,以确定是否发生无线链路问题;定时器配置步骤,当检测到所述第一无线链路发生无线链路问题时启 动第一定时器,其中,在所述第一定时器期满时所述用户设备认为检测到所述第一无线链路发生无线链路失败事件;以及无线链路信息报告步骤,当检测到所述第一无线链路发生无线链路问题时,将包含所述第一无线链路的无线链路信息的内容通过所述用户设备与第二节点之间的第二无线链路报告给所述第二节点。
- 一种用在无线通信系统中的方法,包括:无线链路信息接收步骤,在用户设备与第一节点间的第一无线链路发生无线链路问题时,从所述用户设备接收包含所述第一无线链路的无线链路信息的内容的报告,其中,所述用户设备在检测到所述第一无线链路发生无线链路问题时启动第一定时器并在所述第一定时器期满时认为检测到所述第一无线链路发生无线链路失败事件;以及指示步骤,根据所接收的报告而指示所述用户设备或所述第一节点进行相应操作以解决所述无线链路问题。
- 一种用在无线通信系统中的方法,包括:接收步骤,当第一节点与用户设备之间的第一无线链路发生无线链路问题时,从第二节点接收关于所述无线链路问题的警告,以便所述第一节点根据所述警告采取相应措施以解决所述无线链路问题。
- 一种无线通信系统,包括:用户设备,第一节点,以及第二节点,其中,当所述用户设备与所述第一节点之间的第一无线链路发生无线链路问题时,所述用户设备将包含所述第一无线链路的无线链路信息的内容通过所述用户设备与所述第二节点之间的第二无线链路报告给所述第二节点,以由所述第二节点指示所述用户设备或所述第一节点执行相应操作以解决所述无线链路问题。
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US15/108,665 US9913156B2 (en) | 2014-01-24 | 2015-01-22 | Wireless communication system for reporting radio link information of a first radio link via a second radio link when radio link problem has occurred in the first radio link |
CA2936153A CA2936153C (en) | 2014-01-24 | 2015-01-22 | Wireless communication system for reporting radio link information of a first radio link via a second radio link when radio link problem has occurred in the first radio link |
EP15740402.1A EP3099100B1 (en) | 2014-01-24 | 2015-01-22 | Wireless communication system, apparatus in wireless communication system and method |
RU2016134537A RU2631253C1 (ru) | 2014-01-24 | 2015-01-22 | Система беспроводной передачи данных, устройство в системе беспроводной передачи данных и способ |
US15/860,368 US10187816B2 (en) | 2014-01-24 | 2018-01-02 | Wireless communication system, for reporting radio link information of a first radio link via a second radio link when radio link problem has occurred in the first radio link |
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US15/860,368 Continuation US10187816B2 (en) | 2014-01-24 | 2018-01-02 | Wireless communication system, for reporting radio link information of a first radio link via a second radio link when radio link problem has occurred in the first radio link |
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US10187816B2 (en) | 2019-01-22 |
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CN104811982B (zh) | 2018-08-21 |
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