CN103945408A - Wireless link monitoring method and equipment - Google Patents
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- CN103945408A CN103945408A CN201410097659.3A CN201410097659A CN103945408A CN 103945408 A CN103945408 A CN 103945408A CN 201410097659 A CN201410097659 A CN 201410097659A CN 103945408 A CN103945408 A CN 103945408A
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Abstract
The invention discloses a wireless link monitoring method and equipment. The wireless link monitoring method and equipment are used for solving the problem that in the prior art, wireless link monitoring of a terminal on non-PCells is not supported. The method includes the steps that network side equipment configures measurement configuration information for at least one cell when determining that the at least one cell needs to be measured, and instructs the terminal to monitor wireless links of the at least one cell or not; the network side equipment sends messages with the configured measurement configuration information to the terminal, and determines that the wireless link problem occurs in the cells corresponding to the measurement result when receiving the measurement result reported by the terminal. The terminal can rapidly monitor whether the wireless link problem occurs in the measured cells or not, can stop signal transceiving on the cells in time when the wireless link problem occurs in the cells, and therefore the goal of reducing interference and energy consumption of the terminal is achieved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for monitoring a wireless link.
Background
With the deployment of more and more home base stations, micro cells, relays and other local nodes, the traditional network architecture mainly based on macro base stations gradually evolves to a network architecture with more types of base stations coexisting, and provides more levels of network coverage. In order to improve the related performance under the multi-type base station coexistence network architecture, a network architecture for realizing cooperation/aggregation among multiple eNBs through non-ideal links is provided.
Under the architecture, a part of Radio Bearers (RBs) of a User Equipment (User Equipment, UE) is on a Master Cell Group (MCG) managed by a Master base station (Master eNB, MeNB), the part of RBs includes a control plane Bearer (Signaling Radio Bearer (SRB)) and a User plane Bearer (Data Radio Bearer (DRB)), and the Master Cell (PCell) of the UE has a Physical Uplink Control Channel (PUCCH). And another part of the UE is wirelessly carried on a Secondary Cell Group (SCG) managed by a Secondary base station (SeNB), and one specific Cell in the SCG has a PUCCH. Since the UE has a connection at two enbs at the same time under this architecture, it is called Dual Connectivity (DC).
Fig. 1 illustrates a possible multi-layer network coverage scenario, in which a non-ideal data/signaling interface Xn interface is used between an MeNB and an SeNB, and a UE can simultaneously operate under both the MeNB and the SeNB. When the UE connected to the MeNB enters the coverage of the cell corresponding to the SeNB, the MeNB may transfer part or all of the data/signaling of the UE to the SeNB according to considerations such as signal strength or load balancing, so that the UE obtains the service provided by the SeNB, thereby enabling the UE to use resources of the MeNB and the SeNB at the same time, and inter-base station (inter-eNB) aggregation. In this scenario, multiple RBs of the UE may be respectively carried by a cell in the SCG and a cell in the MCG. Wherein the RB detached to the SeNB may include a DRB and/or an SRB.
In the existing protocol, there are mainly the following two ways for an eNB to detect Radio Link Failure (RLF):
in the first mode, the eNB determines whether the RLF occurs in the UE in a certain cell based on the RLF related information reported by the UE.
In this way, when the UE detects any one of the following cases, it considers that a Radio Link Failure (RLF) is detected, and then reports it to the eNB:
1) the timer T310 times out;
2) receiving a random access failure indication of an MAC layer;
3) an indication of the maximum number of retransmissions to the RLC layer is received.
At this time, if the security of the access stratum is not activated yet, the UE will release the RRC connection and enter an RRC _ IDLE state; otherwise, the UE initiates the RRC connection reestablishment process.
In the second method, the eNB determines whether the UE in a certain cell has RLF based on its own implementation (e.g., according to a timeout of a certain timer or according to the maximum retransmission times of a certain data packet).
For the UE with carrier aggregation, currently, only the radio link monitoring of the UE on the PCell is supported, but not the radio link monitoring of the UE on the non-PCell (such as the SCell), so that when the UE has a radio link problem on a cell of the non-PCell, the UE cannot currently and quickly detect the problem, and therefore, the UE still continues to receive and transmit radio signals in the cell where the radio link problem occurs, thereby causing interference and extra power consumption of the UE.
Disclosure of Invention
The embodiment of the invention provides a wireless link monitoring method and a wireless link monitoring device, which can support wireless link monitoring of a terminal on a non-PCell.
The embodiment of the invention provides a wireless link monitoring method, which comprises the following steps:
when determining that at least one cell needs to be measured, the network side equipment configures measurement configuration information for the at least one cell and indicates whether a terminal needs to monitor a wireless link of the at least one cell;
and the network side equipment sends a message carrying the measurement configuration information to the terminal, and determines that the cell corresponding to the measurement result has a radio link problem when receiving the measurement result reported by the terminal.
In implementation, the instructing, by the network side device, whether the terminal needs to monitor the radio link of the at least one cell includes:
the network side device carries indication information for indicating whether the terminal needs to monitor a radio link of a cell corresponding to the measurement configuration information in the measurement configuration information corresponding to each cell of the at least one cell; or,
the network side device carries, in the message carrying the measurement configuration information corresponding to the at least one cell, indication information for indicating whether the terminal needs to monitor radio links of cells corresponding to all the measurement configuration information carried in the message; or,
and the network side equipment sets parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information.
Further, the setting, by the network side device, a parameter carried in measurement configuration information corresponding to a cell that needs to perform radio link monitoring in the at least one cell as information used for indicating that the terminal needs to monitor a radio link of the cell corresponding to the measurement configuration information includes:
the network side equipment sets a measurement reporting event parameter carried in measurement configuration information corresponding to a cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor a wireless link of the cell; or,
and the network side equipment sets the measurement reporting trigger condition parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
Another wireless link monitoring method provided in the embodiments of the present invention includes:
a terminal receives a message which is sent by network side equipment and carries measurement configuration information;
if the terminal determines that the wireless link of at least one cell needs to be monitored and any cell in the at least one cell has a wireless link problem according to the message, the terminal stops receiving and transmitting signals on any cell and reports the measurement result of any cell to the network side equipment.
In implementation, the determining, by the terminal, whether the radio link of the at least one cell needs to be monitored according to the message includes:
the terminal determines whether the wireless link of the cell corresponding to the measurement configuration information needs to be monitored or not according to the indication information which is carried in each measurement configuration information carried in the message and is used for indicating whether the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information or not; or,
the terminal determines whether the wireless links of the cells corresponding to all the measurement configuration information carried by the message need to be monitored according to the indication information which is carried by the message and used for indicating whether the terminal needs to monitor the wireless links of the cells corresponding to all the measurement configuration information carried by the message; or,
and aiming at each piece of measurement configuration information carried in the message, the terminal determines whether wireless link monitoring needs to be carried out on the cell corresponding to the measurement configuration information according to the parameters carried in the measurement configuration information.
Further, for each measurement configuration information carried in the message, the terminal determines whether it is necessary to monitor a radio link of a cell corresponding to the measurement configuration information according to a parameter carried in the measurement configuration information, including:
for each measurement configuration information carried in the message, if a parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor a radio link of a cell, the terminal determines that the radio link of the cell corresponding to the measurement configuration information needs to be monitored; or,
and for each measurement configuration information carried in the message, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, the terminal determines that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
The network side device provided by the embodiment of the invention comprises:
a measurement configuration module, configured to configure measurement configuration information for at least one cell when it is determined that the at least one cell needs to be measured, and indicate whether a terminal needs to monitor a radio link of the at least one cell;
and the transceiver module is used for sending a message carrying the measurement configuration information to the terminal and determining that the cell corresponding to the measurement result has a radio link problem when receiving the measurement result reported by the terminal.
In implementation, the measurement configuration module is specifically configured to:
in the measurement configuration information corresponding to each cell in the at least one cell, indication information for indicating whether the terminal needs to monitor a radio link of the cell corresponding to the measurement configuration information is carried; or,
in the message carrying the measurement configuration information corresponding to the at least one cell, carrying indication information for indicating whether the terminal needs to monitor the radio links of the cells corresponding to all the measurement configuration information carried in the message; or,
and setting parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information.
Further, the measurement configuration module is specifically configured to:
setting a measurement reporting event parameter carried in measurement configuration information corresponding to a cell which needs to be monitored by a wireless link in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell; or,
and setting the measurement reporting trigger condition parameter carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
Another network side device provided in the embodiment of the present invention includes: a transceiver, and at least one processor coupled to the transceiver, wherein:
the processor is configured to configure measurement configuration information for at least one cell when it is determined that measurement needs to be performed on the at least one cell, and indicate whether the terminal needs to monitor a radio link of the at least one cell; and when the transceiver receives the measurement result reported by the terminal, determining that the cell corresponding to the measurement result has a radio link problem.
The transceiver is configured to send a message carrying the measurement configuration information to the terminal, and receive a measurement result reported by the terminal.
In an implementation, the processor is configured specifically to:
the measurement configuration information corresponding to each cell in the at least one cell carries indication information for indicating whether the terminal needs to monitor a radio link of the cell corresponding to the measurement configuration information;
or, in the message carrying the measurement configuration information corresponding to the at least one cell, carrying indication information for indicating whether the terminal needs to monitor the radio links of the cells corresponding to all the measurement configuration information carried in the message;
or setting parameters carried in measurement configuration information corresponding to a cell which needs to be monitored by a radio link in the at least one cell as information for indicating that a terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information.
Further, the processor is configured specifically to:
setting a measurement reporting event parameter carried in measurement configuration information corresponding to a cell needing wireless link monitoring in the at least one cell as information for indicating a terminal to monitor a wireless link of the cell; or,
and setting the measurement reporting trigger condition parameter carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
The embodiment of the invention provides a terminal, which comprises:
the receiving module is used for receiving a message which is sent by the network side equipment and carries the measurement configuration information;
and the processing module is used for stopping receiving and transmitting signals on any cell and reporting the measurement result of any cell to the network side equipment when the fact that the wireless link of at least one cell needs to be monitored and the wireless link problem occurs in any cell in the at least one cell is determined according to the message received by the receiving module.
In implementation, the processing module is specifically configured to:
determining whether the wireless link of the cell corresponding to the measurement configuration information needs to be monitored according to indication information which is carried in each measurement configuration information carried in the message and is used for indicating whether the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information; or,
determining whether the wireless links of the cells corresponding to all the measurement configuration information carried by the message need to be monitored according to the indication information which is carried by the message and used for indicating whether the terminal needs to monitor the wireless links of the cells corresponding to all the measurement configuration information carried by the message; or,
and aiming at each piece of measurement configuration information carried in the message, determining whether the cell corresponding to the measurement configuration information needs to be subjected to wireless link monitoring or not according to the parameters carried in the measurement configuration information.
Further, the processing module is specifically configured to:
for each measurement configuration information carried in the message, if a parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor a radio link of a cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored; or,
and for each measurement configuration information carried in the message, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
Another terminal provided in an embodiment of the present invention includes: a transceiver, and at least one processor coupled to the transceiver, wherein:
the transceiver is configured to receive a message carrying measurement configuration information sent by a network side device;
the processor is configured to, when it is determined that the radio link of the at least one cell needs to be monitored and a radio link problem occurs in any one of the at least one cell according to the message received by the transceiver, stop receiving and transmitting a signal in the any one cell and trigger the transceiver to report a measurement result of the any one cell to the network side device.
In an implementation, the processor is configured specifically to:
determining whether monitoring of a radio link of a cell corresponding to measurement configuration information is needed or not according to indication information which is carried in each measurement configuration information carried in a message received by a transceiver and is used for indicating whether a terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information or not; or,
determining whether the wireless links of the cells corresponding to all the measurement configuration information carried by the message need to be monitored according to indication information which is carried by a transceiver and used for indicating whether a terminal needs to monitor the wireless links of the cells corresponding to all the measurement configuration information carried by the message; or,
and aiming at each measurement configuration information carried in the message received by the transceiver, determining whether the cell corresponding to the measurement configuration information needs to be subjected to wireless link monitoring or not according to the parameters carried in the measurement configuration information.
Further, the processor is configured specifically to:
for each measurement configuration information carried in a message received by a transceiver, if a parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that a terminal needs to monitor a wireless link of a cell, determining that the wireless link of the cell corresponding to the measurement configuration information needs to be monitored; or,
for each measurement configuration information carried in the message received by the transceiver, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
In the method and the device provided by the embodiment of the invention, when determining that at least one cell needs to be measured, the network side device configures measurement configuration information for the at least one cell and indicates whether the terminal needs to monitor a wireless link of the at least one cell; the network side equipment sends a message carrying the configured measurement configuration information to the terminal, so that the terminal can know whether a wireless link of the cell needs to be monitored or not when measuring the cell, and when the problem of the wireless link of the cell is determined, the signal transceiving on the cell is stopped and the measurement result of the cell is reported to the network side equipment, so that the terminal can quickly monitor whether the problem of the wireless link occurs in the measurement cell, and when the problem of the wireless link occurs in the cell, the signal transceiving on the cell can be stopped in time, and the purposes of reducing interference and reducing the energy consumption of the terminal are achieved; in addition, when receiving the measurement result reported by the terminal, the network side device determines that the cell corresponding to the measurement result has a radio link problem, so that the network side device can judge whether the cell has the radio link problem by whether receiving the measurement result of any cell reported by the terminal.
Drawings
FIG. 1 is a schematic diagram of a possible multi-layer network coverage scenario provided in the background art;
fig. 2 is a schematic diagram of a wireless link monitoring method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of another radio link monitoring method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a network-side device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a schematic diagram of another network-side device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of another terminal according to an embodiment of the present invention.
Detailed Description
In the embodiment of the invention, whether the terminal needs to monitor the wireless link of the measurement cell is indicated by the network side equipment, so that the terminal can know whether the wireless link of the cell needs to be monitored when the cell is measured, and the signal transceiving on the cell is stopped when the problem of the wireless link of the cell is determined, so that the terminal can quickly monitor whether the problem of the wireless link of the measurement cell occurs, and the signal transceiving on the cell can be stopped in time when the problem of the wireless link occurs in the cell, thereby achieving the purposes of reducing interference and reducing energy consumption of the terminal.
The embodiments of the present invention will be described in further detail with reference to the drawings attached hereto. It is to be understood that the embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
An embodiment of the present invention provides a method for monitoring a wireless link, as shown in fig. 2, the method includes the following steps:
step 21, when determining that at least one cell needs to be measured, the network side device configures measurement configuration information for the at least one cell, and indicates whether the terminal needs to monitor a radio link of the at least one cell.
In this step, the cell (i.e., the measurement cell) to be measured, which is determined by the network side device, may be a PCell of the terminal, an SCell managed by the MeNB, or a cell in an SCG managed by the SeNB.
In this step, please refer to the description in the 3GPP36.331 protocol for how the network side device determines the cell that needs to be measured, which is not described herein again.
In this step, the measurement configuration information configured by the network side device for the measurement cell (i.e., the cell determined by the network side device to be performed) includes measurement object configuration, measurement report configuration, and the like, where the measurement report configuration includes a measurement event triggering measurement report and a trigger condition of the measurement event triggering measurement report.
Step 22, the network side device sends a message carrying the measurement configuration information configured in step 21 to the terminal, and determines that the cell corresponding to the measurement result has a radio link problem when receiving the measurement result reported by the terminal.
In this step, when issuing Radio Resource Management (RRM) measurement configuration information, the network side device indicates whether the terminal needs to monitor a Radio link of a cell corresponding to the measurement configuration information, so that the terminal stops receiving and transmitting signals in the cell when determining that a Radio link problem (such as RLF) occurs in the measurement cell that needs to be monitored according to the received measurement configuration information and indication.
In this step, the network side device issues all the configured measurement configuration information to the terminal through a Radio Resource Control (RRC) connection reconfiguration message.
In this step, if the network side device does not receive the measurement result of the terminal for a certain cell, it is determined that the cell has no radio link problem (such as RLF), that is, the network side device may determine whether the cell has a radio link problem according to whether the measurement result of any cell reported by the terminal is received.
In the embodiment of the invention, when determining that at least one cell needs to be measured, network side equipment configures measurement configuration information for the at least one cell and indicates whether a terminal needs to monitor a wireless link of the at least one cell; the network side equipment sends a message carrying the configured measurement configuration information to the terminal, so that the terminal can know whether a wireless link of the cell needs to be monitored or not when measuring the cell, and stops receiving and sending signals on the cell when determining that the cell has a wireless link problem, so that the terminal can quickly monitor whether the cell has the wireless link problem or not, and can stop receiving and sending signals on the cell in time when the cell has the wireless link problem, thereby achieving the purposes of reducing interference and reducing energy consumption of the terminal; in addition, when receiving the measurement result reported by the terminal, the network side device determines that the cell corresponding to the measurement result has a radio link problem, so that the network side device can judge whether the cell has the radio link problem by whether receiving the measurement result of any cell reported by the terminal.
The method provided by the embodiment of the invention is particularly suitable for being covered by a macro cell, a large number of small cells are deployed at the same time, and a terminal can have a connected application scene on a plurality of cells or eNBs at the same time, so that the wireless link monitoring of the terminal on a non-PCell is supported.
In the implementation, in step 21, the network side device indicates whether the terminal needs to monitor a radio link of at least one cell that needs to be measured, which includes the following preferred implementation manners:
mode 1, the network side device indicates, through explicit signaling, whether the terminal needs to monitor a radio link of at least one cell that needs to be measured, specifically including the following two preferred implementation modes:
in the method 11, the network side device expands the measurement configuration information to indicate the terminal, specifically:
the network side device carries indication information for indicating whether the terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information in the measurement configuration information corresponding to each cell of the at least one cell.
In this way, the network side device adds 1-bit indication information to the measurement configuration information configured for each cell that needs to be measured to indicate whether the radio link of the cell needs to be monitored, for example, if the indication information is "0", it indicates that the radio link of the cell does not need to be monitored; if the indication information is '1', the wireless link of the cell needs to be monitored;
or, the network side device adds 1 bit of indication information only in the measurement configuration information of the cell that needs to perform radio link monitoring, so as to indicate that the terminal needs to perform monitoring on the radio link of the cell.
In this way, the terminal may know whether to monitor the radio link of each measurement cell (i.e., the cell determined by the network side device to be measured) according to the cell.
In the mode 12, the network side device extends the message carrying the measurement configuration information to indicate the terminal, specifically:
the network side device carries, in the message carrying the measurement configuration information corresponding to the at least one cell, indication information for indicating whether the terminal needs to monitor the radio links of the cells corresponding to all the measurement configuration information carried in the message.
In this way, the network side device may add 1-bit indication information to the message carrying all configured measurement configuration information to indicate whether it is necessary to monitor the radio links of the cells corresponding to all the measurement configuration information, for example, if the indication information is "0", it indicates that it is not necessary to monitor the radio links of the cells corresponding to all the measurement configuration information; if the indication information is '1', it indicates that the radio links of the cells corresponding to all the measurement configuration information need to be monitored; or,
when the network side equipment determines that all cells corresponding to all the measurement configuration information need to perform wireless link monitoring, 1-bit indication information is added to the message carrying all the configured measurement configuration information so as to indicate that the terminal needs to monitor the wireless links of the cells corresponding to all the measurement configuration information.
In mode 2, the network side device expands the parameters carried in the measurement configuration information to indicate the terminal, which specifically is:
and the network side equipment sets parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information.
In this manner, the parameter carried in the measurement configuration information may be expanded to indicate that the terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information, that is, new content is set for the existing parameter in the measurement configuration information to indicate that the terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information, where the new content of the existing parameter may be pre-agreed by the network side device and the terminal, or may be stipulated in a protocol.
Further, the method comprises the following two preferable implementation modes:
in the mode 21, the network side device sets the measurement reporting event parameter carried in the measurement configuration information corresponding to the cell in which the radio link monitoring is required in the at least one cell as the information for indicating that the terminal needs to monitor the radio link of the cell.
In the method 22, the network side device sets the measurement reporting trigger condition parameter carried in the measurement configuration information corresponding to the cell that needs to perform radio link monitoring in the at least one cell as information for indicating that the terminal needs to monitor the radio link of the cell.
The network side device may use any of the above manners to indicate information whether the terminal needs to monitor the radio link of the measurement cell.
Based on the same inventive concept, an embodiment of the present invention further provides a method for monitoring a wireless link, as shown in fig. 3, where the method includes:
and step 31, the terminal receives a message which is sent by the network side equipment and carries the measurement configuration information.
In this step, the terminal receives an RRC connection reconfiguration message sent by the network side device, where the RRC connection reconfiguration message carries all measurement configuration information configured by the network side device.
Step 32, if the terminal determines that the radio link of at least one cell needs to be monitored and any cell in the at least one cell has a radio link problem (such as RLF) according to the received message, the terminal stops receiving and transmitting signals (including data and signaling) on any cell and reports the measurement result of any cell to the network side device.
In this step, after receiving the message carrying the measurement configuration information sent by the network side device, the terminal measures the corresponding cell according to the measurement configuration information configured by the network side device, which refers to the 3GPP36.331 protocol specifically, and is not described herein again.
In this step, for each measurement cell (i.e., a cell corresponding to measurement configuration information issued by a network side device), the terminal reports the measurement result of the measurement cell to the network side device only when it is determined that a radio link of the measurement cell needs to be monitored and the measurement cell has a radio link problem; otherwise, the terminal does not report the measurement result of the measurement cell.
It should be noted that, a process of measuring a cell by a terminal and a process of determining whether a radio link of the cell needs to be monitored by the terminal are two independent processes, and the execution sequence of the two processes is not limited in the embodiment of the present invention.
In the embodiment of the invention, a terminal receives a message which is sent by network side equipment and carries measurement configuration information; if the terminal determines that the wireless link of at least one cell needs to be monitored and any cell in the at least one cell has a wireless link problem according to the received message, the terminal stops receiving and transmitting signals on any cell and reports the measurement result of any cell to the network side equipment, so that the terminal can quickly monitor whether the wireless link problem occurs in the measurement cell, and can timely stop receiving and transmitting signals on the cell and report the measurement result of the cell to the network side equipment when the wireless link problem occurs in the cell, so that the network side equipment can know that the wireless link problem occurs in the cell, and the purposes of reducing interference and reducing terminal energy consumption are achieved.
In implementation, in step 32, the terminal determines whether it needs to monitor a radio link of at least one cell according to the received message, which includes the following preferred implementation manners:
in the mode a, the terminal determines whether the wireless link of the cell corresponding to the measurement configuration information needs to be monitored according to the indication information that is carried in each measurement configuration information carried in the message and used for indicating whether the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information, which is specifically referred to as the mode 11 above and is not described herein again.
And in the mode B, the terminal determines whether it is necessary to monitor the cell radio links corresponding to all the measurement configuration information carried in the message according to the indication information carried in the message and used for indicating whether the terminal needs to monitor the cell radio links corresponding to all the measurement configuration information carried in the message, which is specifically referred to in the above mode 12 and is not described herein again.
And in the mode C, for each measurement configuration information carried in the message, the terminal determines whether radio link monitoring needs to be performed on the cell corresponding to the measurement configuration information according to the parameter carried in the measurement configuration information, which is specifically referred to as the mode 2 above and is not described herein again.
In this way, the following two preferred implementations are further included:
and in a mode C1, for each measurement configuration information carried in the message, if the parameter measurement reporting event parameter carried in the measurement configuration information is information used to indicate that the terminal needs to monitor the radio link of the cell, the terminal determines that the terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information.
Further, if the parameter measurement reporting event parameter carried in the measurement configuration information is the content defined in the existing protocol, the terminal determines that it is not necessary to monitor the radio link of the cell corresponding to the measurement configuration information, and measures the cell corresponding to the measurement configuration information according to the parameter measurement reporting event parameter carried in the measurement configuration information.
In the manner C2, for each measurement configuration information carried in the message, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, the terminal determines that the terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information.
Further, if the measurement reporting trigger condition parameter carried in the measurement configuration information is the content defined in the existing protocol, the terminal determines that it is not necessary to monitor the radio link of the cell corresponding to the measurement configuration information, and measures the cell corresponding to the measurement configuration information according to the measurement reporting trigger condition parameter carried in the measurement configuration information.
The following describes an interaction process between a network side device and a terminal in the wireless link monitoring method according to the embodiment of the present invention with three specific embodiments.
In the first embodiment, the network side device indicates, through explicit signaling, whether the terminal needs to monitor the radio link of the measurement cell. The specific process is as follows:
1. when the network side device issues measurement configuration information for a specific cell (or other scells) of the SCG to the UE, the network side device notifies the UE of monitoring a radio link of a cell corresponding to the measurement configuration by using 1-bit explicit indication information in the measurement configuration information, and a measurement report triggered by the measurement configuration information indicates that a radio link problem occurs in a cell measured by the terminal.
2. And after receiving the measurement configuration information and the explicit indication information sent by the network side equipment, the UE measures the corresponding cell and judges whether the measured cell has a radio link problem. If the UE determines that the measured cell has a radio link problem, the terminal stops receiving and transmitting signals on the cell and reports the measurement result of the cell to the network side equipment.
In another case, if the UE determines that the measured cell has no radio link problem, the terminal does not report the measurement result of the cell.
And in the second embodiment, the network side equipment indicates that the terminal needs to monitor the wireless link of the corresponding cell through the measurement reporting event. The specific process is as follows:
1. the network side equipment sends measurement configuration information to the UE according to a measurement reporting event defined by a protocol and used for indicating that a terminal needs to monitor a wireless link of a cell, wherein measurement reporting event parameters in the measurement configuration information indicate that the terminal needs to monitor the wireless link of the cell, and measurement reporting triggered by the measurement reporting event parameters indicates that the cell measured by the terminal has a wireless link problem.
2. And the UE receives the measurement configuration information issued by the network side equipment and measures the corresponding cell. Because the measurement reporting event parameter in the measurement configuration information indicates that the terminal needs to monitor the radio link of the cell, the UE also needs to monitor the radio link of the corresponding cell. If the UE determines that the measured cell has a radio link problem, the terminal stops receiving and transmitting signals on the cell and reports the measurement result of the cell to the network side equipment.
In another case, if the UE determines that the measured cell has no radio link problem, the terminal does not report the measurement result of the cell.
And the network side equipment indicates that the terminal needs to monitor the wireless link of the corresponding cell through the measurement reporting trigger condition. The specific process is as follows:
1. the network side sends measurement configuration information to the UE according to the existing measurement reporting event, the measurement reporting triggering condition in the measurement configuration information indicates that the terminal needs to monitor the radio link of the cell, and the measurement reporting triggered by the measurement reporting triggering condition indicates that the cell measured by the terminal has the radio link problem.
2. And after receiving the measurement configuration information sent by the network side equipment, the UE measures the corresponding cell. Because the measurement reporting trigger condition in the measurement configuration information indicates that the terminal needs to monitor the radio link of the cell, the UE also needs to monitor the radio link of the corresponding cell. If the UE determines that the measured cell has a radio link problem, the terminal stops receiving and transmitting signals on the cell and reports the measurement result of the cell to the network side equipment.
In another case, if the UE determines that the measured cell has no radio link problem, the terminal does not report the measurement result of the cell.
The above method process flow may be implemented by a software program, which may be stored in a storage medium, and when the stored software program is called, the above method steps are performed.
Based on the same inventive concept, an embodiment of the present invention further provides a network side device, as shown in fig. 4, where the network side device includes:
a measurement configuration module 41, configured to configure measurement configuration information for at least one cell when it is determined that measurement needs to be performed on the at least one cell, and indicate whether a terminal needs to monitor a radio link of the at least one cell;
a transceiver module 42, configured to send a message carrying the measurement configuration information to the terminal, and when receiving the measurement result reported by the terminal, determine that a radio link problem occurs in a cell corresponding to the measurement result.
In implementation, the measurement configuration module 41 is specifically configured to:
the measurement configuration information corresponding to each cell in the at least one cell carries indication information for indicating whether the terminal needs to monitor a radio link of the cell corresponding to the measurement configuration information;
or, in the message carrying the measurement configuration information corresponding to the at least one cell, carrying indication information for indicating whether the terminal needs to monitor the radio links of the cells corresponding to all the measurement configuration information carried in the message;
or setting parameters carried in measurement configuration information corresponding to a cell which needs to be monitored by a radio link in the at least one cell as information for indicating that a terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information.
Further, the measurement configuration module 41 is specifically configured to:
setting a measurement reporting event parameter carried in measurement configuration information corresponding to a cell needing wireless link monitoring in the at least one cell as information for indicating a terminal to monitor a wireless link of the cell; or,
and setting the measurement reporting trigger condition parameter carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
Based on the same inventive concept, an embodiment of the present invention further provides a terminal, as shown in fig. 5, where the terminal includes:
a receiving module 51, configured to receive a message carrying measurement configuration information sent by a network side device;
the processing module 52 is configured to stop receiving and transmitting signals in any cell and report a measurement result of the any cell to the network side device when it is determined that the radio link of the at least one cell needs to be monitored and a radio link problem occurs in any cell of the at least one cell according to the message received by the receiving module 51.
In implementation, the processing module 52 is specifically configured to:
determining whether to monitor a radio link of a cell corresponding to measurement configuration information according to indication information which is carried in each measurement configuration information carried in a message received by the receiving module 51 and is used for indicating whether a terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information; or,
determining whether to monitor cell wireless links corresponding to all measurement configuration information carried by a message according to indication information carried by a receiving module 51 and used for indicating whether a terminal needs to monitor the cell wireless links corresponding to all the measurement configuration information carried by the message; or,
for each measurement configuration information carried in the message received by the receiving module 51, it is determined whether to perform radio link monitoring on the cell corresponding to the measurement configuration information according to the parameter carried in the measurement configuration information.
Further, the processing module 52 is specifically configured to:
for each measurement configuration information carried in the message received by the receiving module 51, if the parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored; or,
for each measurement configuration information carried in the message received by the receiving module 51, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, it is determined that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
The following describes a structure and a processing method of a network-side device according to an embodiment of the present invention, with reference to a preferred hardware structure.
Referring to fig. 6, the network side device includes a transceiver 61, and at least one processor 62 connected to the transceiver 61, wherein:
the processor 62 is configured to configure measurement configuration information for at least one cell when it is determined that measurement needs to be performed on the at least one cell, and indicate whether the terminal needs to monitor a radio link of the at least one cell; and when the transceiver 61 receives the measurement result reported by the terminal, it determines that the cell corresponding to the measurement result has a radio link problem.
The transceiver 61 is configured to send a message carrying the measurement configuration information to the terminal, and receive a measurement result reported by the terminal.
In implementation, the processor 62 is configured specifically to:
the measurement configuration information corresponding to each cell in the at least one cell carries indication information for indicating whether the terminal needs to monitor a radio link of the cell corresponding to the measurement configuration information;
or, in the message carrying the measurement configuration information corresponding to the at least one cell, carrying indication information for indicating whether the terminal needs to monitor the radio links of the cells corresponding to all the measurement configuration information carried in the message;
or setting parameters carried in measurement configuration information corresponding to a cell which needs to be monitored by a radio link in the at least one cell as information for indicating that a terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information.
Further, the processor 62 is configured specifically for:
setting a measurement reporting event parameter carried in measurement configuration information corresponding to a cell needing wireless link monitoring in the at least one cell as information for indicating a terminal to monitor a wireless link of the cell; or,
and setting the measurement reporting trigger condition parameter carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
The structure and processing method of the terminal according to the embodiment of the present invention will be described below with reference to a preferred hardware structure.
Referring to fig. 7, the terminal comprises a transceiver 71, and at least one processor 72 connected to the transceiver 71, wherein:
the transceiver 71 is configured to receive a message carrying measurement configuration information sent by a network side device;
the processor 72 is configured to, when it is determined that the radio link of at least one cell needs to be monitored and a radio link problem occurs in any cell of the at least one cell according to the message received by the transceiver 71, stop receiving and transmitting signals in any cell and trigger the transceiver 71 to report a measurement result of any cell to the network side device.
In implementation, the processor 72 is configured specifically to:
determining whether to monitor a radio link of a cell corresponding to measurement configuration information according to indication information which is carried in each measurement configuration information carried in a message received by the transceiver 71 and is used for indicating whether a terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information; or,
determining whether to monitor cell radio links corresponding to all measurement configuration information carried by a message according to indication information carried by a transceiver 71 and used for indicating whether a terminal needs to monitor the cell radio links corresponding to all the measurement configuration information carried by the message; or,
for each measurement configuration information carried in the message received by the transceiver 71, it is determined whether radio link monitoring needs to be performed on the cell corresponding to the measurement configuration information according to the parameters carried in the measurement configuration information.
Further, the processor 72 is configured specifically for:
for each measurement configuration information carried in the message received by the transceiver 71, if the parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored; or,
for each measurement configuration information carried in the message received by the transceiver 71, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, it is determined that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. A method for monitoring a wireless link, the method comprising:
when determining that at least one cell needs to be measured, the network side equipment configures measurement configuration information for the at least one cell and indicates whether a terminal needs to monitor a wireless link of the at least one cell;
and the network side equipment sends a message carrying the measurement configuration information to the terminal, and determines that the cell corresponding to the measurement result has a radio link problem when receiving the measurement result reported by the terminal.
2. The method of claim 1, wherein the indicating, by the network side device, whether the terminal needs to monitor the radio link of the at least one cell comprises:
the network side device carries indication information for indicating whether the terminal needs to monitor a radio link of a cell corresponding to the measurement configuration information in the measurement configuration information corresponding to each cell of the at least one cell; or,
the network side device carries, in the message carrying the measurement configuration information corresponding to the at least one cell, indication information for indicating whether the terminal needs to monitor radio links of cells corresponding to all the measurement configuration information carried in the message; or,
and the network side equipment sets parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information.
3. The method of claim 2, wherein the setting, by the network side device, the parameter carried in the measurement configuration information corresponding to the cell that needs to perform radio link monitoring in the at least one cell as the information for indicating that the terminal needs to monitor the radio link of the cell corresponding to the measurement configuration information, includes:
the network side equipment sets a measurement reporting event parameter carried in measurement configuration information corresponding to a cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor a wireless link of the cell; or,
and the network side equipment sets the measurement reporting trigger condition parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
4. A method for monitoring a wireless link, the method comprising:
a terminal receives a message which is sent by network side equipment and carries measurement configuration information;
if the terminal determines that the wireless link of at least one cell needs to be monitored and any cell in the at least one cell has a wireless link problem according to the message, the terminal stops receiving and transmitting signals on any cell and reports the measurement result of any cell to the network side equipment.
5. The method of claim 4, wherein the terminal determining whether the radio link of at least one cell needs to be monitored according to the message comprises:
the terminal determines whether the wireless link of the cell corresponding to the measurement configuration information needs to be monitored or not according to the indication information which is carried in each measurement configuration information carried in the message and is used for indicating whether the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information or not; or,
the terminal determines whether the wireless links of the cells corresponding to all the measurement configuration information carried by the message need to be monitored according to the indication information which is carried by the message and used for indicating whether the terminal needs to monitor the wireless links of the cells corresponding to all the measurement configuration information carried by the message; or,
and aiming at each piece of measurement configuration information carried in the message, the terminal determines whether wireless link monitoring needs to be carried out on the cell corresponding to the measurement configuration information according to the parameters carried in the measurement configuration information.
6. The method of claim 5, wherein for each measurement configuration information carried in the message, the determining, by the terminal, whether to monitor a radio link of a cell corresponding to the measurement configuration information according to a parameter carried in the measurement configuration information includes:
for each measurement configuration information carried in the message, if a parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor a radio link of a cell, the terminal determines that the radio link of the cell corresponding to the measurement configuration information needs to be monitored; or,
and for each measurement configuration information carried in the message, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor a radio link of a cell, the terminal determines that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
7. A network side device, characterized in that the network side device comprises:
a measurement configuration module, configured to configure measurement configuration information for at least one cell when it is determined that the at least one cell needs to be measured, and indicate whether a terminal needs to monitor a radio link of the at least one cell;
and the transceiver module is used for sending a message carrying the measurement configuration information to the terminal and determining that the cell corresponding to the measurement result has a radio link problem when receiving the measurement result reported by the terminal.
8. The network-side device of claim 7, wherein the measurement configuration module is specifically configured to:
in the measurement configuration information corresponding to each cell in the at least one cell, indication information for indicating whether the terminal needs to monitor a radio link of the cell corresponding to the measurement configuration information is carried; or,
in the message carrying the measurement configuration information corresponding to the at least one cell, carrying indication information for indicating whether the terminal needs to monitor the radio links of the cells corresponding to all the measurement configuration information carried in the message; or,
and setting parameters carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information.
9. The network-side device of claim 8, wherein the measurement configuration module is specifically configured to:
setting a measurement reporting event parameter carried in measurement configuration information corresponding to a cell which needs to be monitored by a wireless link in the at least one cell as information for indicating that the terminal needs to monitor the wireless link of the cell; or,
and setting the measurement reporting trigger condition parameter carried in the measurement configuration information corresponding to the cell needing wireless link monitoring in the at least one cell as information for indicating the terminal to monitor the wireless link of the cell.
10. A terminal, characterized in that the terminal comprises:
the receiving module is used for receiving a message which is sent by the network side equipment and carries the measurement configuration information;
and the processing module is used for stopping receiving and transmitting signals on any cell and reporting the measurement result of any cell to the network side equipment when the fact that the wireless link of at least one cell needs to be monitored and the wireless link problem occurs in any cell in the at least one cell is determined according to the message received by the receiving module.
11. The terminal of claim 10, wherein the processing module is specifically configured to:
determining whether the wireless link of the cell corresponding to the measurement configuration information needs to be monitored according to indication information which is carried in each measurement configuration information carried in the message and is used for indicating whether the terminal needs to monitor the wireless link of the cell corresponding to the measurement configuration information; or,
determining whether the wireless links of the cells corresponding to all the measurement configuration information carried by the message need to be monitored according to the indication information which is carried by the message and used for indicating whether the terminal needs to monitor the wireless links of the cells corresponding to all the measurement configuration information carried by the message; or,
and aiming at each piece of measurement configuration information carried in the message, determining whether the cell corresponding to the measurement configuration information needs to be subjected to wireless link monitoring or not according to the parameters carried in the measurement configuration information.
12. The terminal of claim 11, wherein the processing module is specifically configured to:
for each measurement configuration information carried in the message, if a parameter measurement reporting event parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor a radio link of a cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored; or,
and for each measurement configuration information carried in the message, if the measurement reporting trigger condition parameter carried in the measurement configuration information is information for indicating that the terminal needs to monitor the radio link of the cell, determining that the radio link of the cell corresponding to the measurement configuration information needs to be monitored.
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