CN109413763B - Method, device and base station for configuring DRX (discontinuous reception) for user equipment - Google Patents
Method, device and base station for configuring DRX (discontinuous reception) for user equipment Download PDFInfo
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- CN109413763B CN109413763B CN201710036207.8A CN201710036207A CN109413763B CN 109413763 B CN109413763 B CN 109413763B CN 201710036207 A CN201710036207 A CN 201710036207A CN 109413763 B CN109413763 B CN 109413763B
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Abstract
The invention aims to provide a method, a device and a base station for configuring DRX for user equipment. The user equipment does not perform DRX configuration by default until the user equipment is in a preferred network environment, and the base station establishes DRX configuration for the user equipment; and when the user equipment is switched to an inferior network environment, the base station releases the DRX configuration for the user equipment. Compared with the prior art, the invention provides a flexible and dynamic DRX configuration scheme, which can prolong the service life of a battery of user equipment and reduce the influence of DRX on QoE and KPI.
Description
Technical Field
The invention relates to the technical field of broadband wireless communication, in particular to a DRX (discontinuous reception) technology.
Background
In a broadband wireless communication system, if there is no Discontinuous Reception (DRX), in order to decode downlink data, a User Equipment (UE) must always be in an awake state because data in a downlink may arrive at any time. This means that the user equipment must monitor the PDCCH every subframe to check whether there is downlink data or whether there is uplink grant (uplink grant) scheduled by the base station (eNB) to transmit uplink data. This will consume a large amount of power from the user equipment.
DRX is introduced in wireless communication systems (e.g., LTE, 5G, etc.) to conserve power of the user equipment, thereby extending the battery life of the user equipment. The RRC function of the base station may perform DRX configuration on the user equipment through a set of parameters. In the DRX configuration, the user equipment is allowed to discontinuously monitor the PDCCH.
After DRX is configured, there may be an extended delay for data reception, and since the ue may be in a DRX sleep state (DRX sleep state) when data arrives at the base station, the base station needs to wait until the ue goes into an active state.
Further, DRX may also affect normal scheduling, physical channel decoding, and RRC measurement reporting of the user equipment, since the DRX states identified by the user equipment and the base station may not be consistent. This situation is especially more severe when the network conditions are poor and may affect the Quality of Experience (QoE) of the user and Key Performance Indicators (KPI) of the system.
The 3GPP defines two types of DRX cycles (cycles), namely a long DRX cycle and a short DRX cycle, and the base station can select an appropriate DRX cycle to match the traffic characteristics of the bearer, while balancing the burst data traffic response time and the power lifetime of the user equipment. However, this does not mitigate other DRX impacts, such as impact on physical channel decoding or user equipment RRC measurements, which ultimately also impacts QoE and KPI.
Disclosure of Invention
The invention aims to provide a method, a device and a base station for configuring DRX for user equipment.
According to an aspect of the present invention, a method for configuring DRX for a user equipment at a base station side is provided, wherein the user equipment does not perform DRX configuration by default, wherein the method comprises the following cycle steps:
a, establishing DRX configuration for the user equipment until the user equipment is in a preferred network environment;
b, when the user equipment is transferred to an inferior network environment, releasing the DRX configuration for the user equipment.
According to an aspect of the present invention, there is also provided an apparatus for configuring DRX for a user equipment at a base station, where the user equipment does not perform DRX configuration by default, where the apparatus includes:
a DRX establishing device, configured to establish DRX configuration for the user equipment until the user equipment is in a preferred network environment;
and the DRX releasing device is used for releasing the DRX configuration for the user equipment when the user equipment is switched from the excellent network environment to the inferior network environment.
According to an aspect of the present invention, there is also provided a base station for configuring DRX for a user equipment, wherein the base station is configured to perform the method for configuring DRX for a user equipment at the base station side according to an aspect of the present invention.
According to an aspect of the present invention, there is also provided a base station for configuring DRX for a user equipment, wherein the base station includes the above apparatus for configuring DRX for a user equipment on the base station side according to an aspect of the present invention.
Compared with the prior art, the invention provides a flexible and dynamic DRX configuration scheme, which can prolong the service life of a battery of user equipment and reduce the influence of DRX on QoE and KPI.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 shows a flowchart of a method for configuring DRX for a user equipment at a base station side according to an embodiment of the present invention;
fig. 2 shows a message flow diagram of a base station configuring DRX signaling for a user equipment according to a first preferred embodiment of the present invention;
fig. 3 shows a message flow diagram of a base station configuring DRX signaling for a user equipment according to a second preferred embodiment of the present invention;
fig. 4 shows a message flow diagram of a base station configuring DRX signaling for a user equipment according to a third preferred embodiment of the present invention;
fig. 5 is a schematic diagram of an apparatus for configuring DRX for a user equipment at a base station according to another embodiment of the present invention.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations as a sequential process, many of the operations can be performed in parallel, concurrently, or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Other words used to describe the relationship between elements (e.g., "between" versus "directly between", "adjacent" versus "directly adjacent to", etc.) should be interpreted in a similar manner.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
The invention provides a flexible and dynamic DRX configuration scheme, which can prolong the service life of a battery of user equipment and reduce the influence of DRX on QoE and KPI.
Specifically, the present invention can dynamically establish or release the DRX configuration according to the network environment condition in which the user equipment is located. The user equipment defaults to not perform DRX configuration. The base station establishes DRX configuration for the user equipment only when the user equipment is in a preferred network environment; and when the user equipment is switched to the bad network environment, the base station releases DRX configuration for the user equipment so as to avoid the influence of DRX on QoE and KPI.
The present invention is described in further detail below with reference to the attached drawing figures.
Fig. 1 shows an embodiment according to the present invention, which specifically shows a method flow for configuring DRX for a user equipment at a base station side.
The base station does not perform DRX configuration for the user equipment by default.
As shown in fig. 1, in step S1, until the ue is in the optimal network environment, the base station establishes a DRX configuration for the ue; thereafter, in step S2, when the ue transitions to the bad network environment, the base station releases the DRX configuration for the ue.
Thereafter, the base station returns to perform step S1 → step S2 again, and so on, until the ue leaves the serving cell of the base station.
In order to reduce the impact of DRX on QoE and KPI and dynamically configure DRX for the user equipment, the present invention defaults to not perform DRX configuration on the user equipment. Further, the base station monitors a network environment condition of the user equipment to configure the DRX for the user equipment when the user equipment is in a good network environment, and releases its DRX configuration when the user equipment thus transitions to a bad network environment. The base station configures and releases DRX for all the user equipment in the service cell of the base station in such a cycle according to the change of the network environment condition of the user equipment.
In the present invention, the base station may detect the network environment condition of the ue through at least the following 3 ways:
1) configuring an a1/a2 measurement report for the user equipment, wherein the a1 measurement report is configured to include an indication that the user equipment is in a good network environment and the a2 measurement report is configured to include an indication that the user equipment is in a bad network environment;
2) configuring an A3 measurement report for the user equipment, wherein the A3 measurement report is configured to include an indication that the user equipment is in a good network environment or a bad network environment, i.e., when the user equipment satisfies A3 condition when the neighboring cell is better than the serving cell signal, determining that the user equipment is in a bad network environment, and when the user equipment does not satisfy A3 condition when the serving cell is better than the neighboring cell signal, determining that the user equipment is in a good network environment;
3) the SINR (Signal to Interference plus Noise Ratio) of the user equipment is measured, and when the measured SINR is lower than a predetermined threshold value, it is determined that the user equipment is in a bad network environment, and when the measured SINR is higher than the predetermined threshold value, it is determined that the user equipment is in a good network environment.
The above-described 3 modes will be described in detail below.
According to the first preferred embodiment of the present invention, in step S1, the base station transmits the configuration of the a1 measurement report to the user equipment; when receiving the A1 measurement report from the UE, the base station side establishes DRX configuration for the UE and sends indication of establishing DRX configuration and configuration of A2 measurement report to the UE. Thereafter, in step S2, upon receiving the a2 measurement report from the user equipment, the base station side releases the DRX configuration of the user equipment and transmits an indication of releasing the DRX configuration to the user equipment.
Fig. 2 shows a signaling message flow diagram of the first preferred embodiment described above. Referring to fig. 2, after the user equipment completes initial network access (RRC connection setup), in step S201, the base station starts a measurement configuration procedure by transmitting an RRC connection reconfiguration message to the user equipment, which includes a measurement ID of an a1 event to indicate that the user equipment is in a good network environment. Subsequently, in step S202, the user equipment returns an RRC connection reconfiguration complete message to the base station. The user equipment does not configure DRX by default. In step S203, when detecting that the ue is in a good network environment, such as the signal strength of the serving cell is higher than a threshold, the ue sends a measurement report of the a1 event to the base station. In step S204, the layer 3(RRC function) of the base station receives the measurement report of the a1 event, which indicates that the signal strength of its serving cell exceeds the threshold, i.e. the user equipment is in a good network environment, and the RRC function configures DRX to the MAC layer (layer 2) of the base station to configure DRX for the user equipment first on the base station side. Subsequently, in step S205, the base station transmits an RRC reconfiguration message including an indication of the user equipment configuring DRX and a measurement ID of an a2 event to the user equipment to indicate that the user equipment is in a poor network environment. In step S206, the ue returns the RRC reconfiguration complete message to the base station. In step S207, when detecting that itself is in a poor network environment, the user equipment transmits a measurement report of the a2 event to the base station. In step S208, the layer 3(RRC function) of the base station receives the measurement report of the a2 event, which indicates that the signal strength of its serving cell is below the threshold, i.e. the user equipment is in a bad network environment, and the RRC function releases the DRX configuration of the MAC layer to release the DRX configuration of the user equipment first on the base station side. Subsequently, in step S209, the base station transmits an RRC reconfiguration message to the user equipment, wherein the RRC reconfiguration message includes an indication that the user equipment releases the DRX configuration. In step S210, the ue returns the RRC reconfiguration complete message to the base station. And then, the base station and the user equipment circularly execute the steps S201-S210 again until the user equipment is no longer located in the service cell of the base station.
According to the second preferred embodiment of the present invention, the base station sends the configuration of the A3 measurement report to the user equipment, until the A3 measurement report sent by the user equipment indicates that the user equipment is in a good network environment in step S1, the base station side establishes the DRX configuration for the user equipment and sends an indication of establishing the DRX configuration to the user equipment; thereafter, in step S2, when the A3 measurement report received from the ue indicates that the ue transits to the bad network environment, the base station side releases the DRX configuration of the ue and transmits an indication of releasing the DRX configuration to the ue.
Fig. 3 shows a signaling message flow diagram of the second preferred embodiment described above. Referring to fig. 3, after the user equipment completes initial network access (RRC connection setup), in step S301, the base station starts a measurement configuration procedure by sending an RRC connection reconfiguration message to the user equipment, which includes measurement IDs of two a3 events to indicate that the user equipment is in a good network environment and a bad network environment, respectively. The A3 condition indicates that the neighboring cell has better signal than the serving cell, i.e. the serving cell signal is degraded, one A3 measurement ID indicates that the A3 condition is currently satisfied, i.e. the ue is at the cell edge and therefore in a bad network environment, and the other A3 measurement ID indicates that the A3 condition is not currently satisfied, i.e. the ue is away from the cell edge and therefore in a good network environment. Subsequently, in step S302, the user equipment returns an RRC connection reconfiguration complete message to the base station. The user equipment does not configure DRX by default. In step S303, when detecting that the ue is in a good network environment, such as leaving a cell edge, the ue sends a measurement report that does not satisfy a3 to the base station. In step S304, the layer 3(RRC function) of the base station receives the measurement report of the a3 event, which indicates that its serving cell has higher signal strength than the neighboring cells, i.e. the ue is in a good network environment, and the RRC function configures DRX to the MAC layer of the base station to configure DRX for the ue first on the base station side. Subsequently, in step S305, the base station transmits an RRC reconfiguration message to the user equipment, including an indication that the user equipment configures DRX. In step S306, the ue returns the RRC reconfiguration complete message to the base station. In step S307, when detecting that itself is in a poor network environment, the user equipment transmits a measurement report satisfying a3 to the base station. In step S308, the layer 3(RRC function) of the base station receives the measurement report of the a3 event, which indicates that the signal strength of the neighboring cell is higher than that of the serving cell, i.e. the user equipment is in a poor network environment, and the RRC function releases the DRX configuration of the MAC layer, so as to release the DRX configuration of the user equipment first on the base station side. Subsequently, in step S309, the base station sends an RRC reconfiguration message to the user equipment, wherein the RRC reconfiguration message includes an indication that the user equipment releases the DRX configuration. In step S310, the ue returns the RRC reconfiguration complete message to the base station. Then, the base station and the user equipment circularly execute the steps S303-S310 again until the user equipment is no longer located in the service cell of the base station.
According to the third preferred embodiment of the present invention, the base station detects the SINR of the user equipment to determine the current network environment condition of the user equipment, and in step S1, until the measured SINR is higher than the predetermined threshold, the base station determines that the user equipment is in a good network environment, and the base station side establishes the DRX configuration for the user equipment and sends an instruction to establish the DRX configuration to the user equipment; thereafter, in step S2, when the measured SINR is lower than the predetermined threshold, the base station determines that the user equipment transitions to an inferior network environment, and the base station side releases the DRX configuration for the user equipment and transmits an instruction to release the DRX configuration to the user equipment.
Fig. 4 shows a signaling message flow diagram of the third preferred embodiment described above. Referring to fig. 4, after the ue completes initial network access (RRC connection setup), in step S401, the layer 3 of the base station performs measurement configuration on the layer 2 thereof, so that the layer 2 determines the SINR of the ue by measuring an uplink sounding reference signal or determines the SINR thereof from a CQI (channel quality indication) reported by the ue, and the ue does not configure DRX by default. In step S402, layer 2 of the base station notifies layer 3 that the user equipment is in the excellent network environment until detecting that the SINR of the user equipment is higher than the threshold. In step S403, the layer 3(RRC function) of the base station receives the notification, and the RRC function configures DRX to the MAC layer of the base station to configure DRX for the user equipment first on the base station side. Subsequently, in step S404, the base station sends an RRC reconfiguration message to the user equipment, including an indication that the user equipment configures DRX. In step S405, the ue returns the RRC reconfiguration complete message to the base station. In step S406, when the layer 2 of the base station detects that the SINR of the user equipment is lower than the threshold, it notifies the layer 3 that the user equipment is in a bad network environment. In step S407, the layer 3(RRC function) of the base station receives the notification, and the RRC function releases the DRX configuration of the MAC layer to release the DRX configuration of the user equipment first on the base station side. Subsequently, in step S408, the base station sends an RRC reconfiguration message to the user equipment, including an indication that the user equipment releases the DRX configuration. In step S409, the ue returns the RRC reconfiguration complete message to the base station. And then, the base station and the user equipment circularly execute the steps S402-S409 again until the user equipment is no longer located in the service cell of the base station.
According to a preferred embodiment of the present invention, in a handover preparation phase, a source base station transmits information configured to a ue to be handed over to a target base station, so that the target base station can check whether the source base station has released the DRX configuration of the ue; if not, the target base station sends an indication to the user equipment to release its current DRX configuration, for example, by sending a handover command to the user equipment to instruct the user equipment to release its DRX configuration. Subsequently, after the ue completes initial access to the target bs, the target bs becomes the serving bs of the ue, and the serving bs starts to loop the above steps S1-S2 to dynamically configure DRX for the ue.
Fig. 5 shows an apparatus for configuring DRX for a user equipment at a base station according to an embodiment of the present invention.
As shown in fig. 5, the DRX configuration apparatus 50 is installed in a base station, and specifically includes a DRX establishing apparatus 51 and a DRX releasing apparatus 52.
The base station does not perform DRX configuration for the user equipment by default.
Specifically, until the ue is in the optimal network environment, the DRX establishing means 51 establishes a DRX configuration for the ue; then, when the ue changes from the good network environment to the bad network environment, the DRX releasing means 52 releases the DRX configuration for the ue.
Thereafter, the DRX establishing means 51 establishes DRX configuration for the ue again and the DRX releasing means 52 releases DRX configuration for the ue again, and so on, until the ue leaves the serving cell of the base station.
Corresponding to the first preferred embodiment of the present invention, the DRX establishing means 51 sends the configuration for the a1 measurement report to the user equipment, and when receiving the a1 measurement report from the user equipment, the DRX establishing means 51 establishes the DRX configuration for the user equipment on the base station side and sends the indication for establishing the DRX configuration and the configuration for the a2 measurement report to the user equipment. Thereafter, when receiving the a2 measurement report from the user equipment, the DRX releasing means 52 releases the DRX configuration of the user equipment on the base station side and transmits an instruction to release the DRX configuration to the user equipment.
Further, the DRX establishing means 51 continues to configure the a1 measurement report to determine when to establish the DRX configuration for the user equipment, and configures the a2 measurement report for the user equipment when establishing the DRX configuration, so that the DRX releasing means 52 can release the DRX configuration for the user equipment according to the a2 measurement report, and so on, until the user equipment leaves the serving cell of the base station.
Corresponding to the second preferred embodiment of the present invention, the DRX configuration apparatus 50 may further include a measurement configuration apparatus (not shown in fig. 5), which sends a configuration of A3 measurement report to the user equipment, wherein two A3 events are defined: the A3 condition indicates that the neighboring cell signals better than the serving cell, i.e., the serving cell signals deteriorate, wherein one A3 event indicates that the A3 condition is currently satisfied, i.e., the ue is at the cell edge and thus in a poor network environment, and the other A3 event indicates that the A3 condition is not currently satisfied, i.e., the ue leaves the cell edge and thus is in a good network environment. Until the a3 measurement report sent by the ue indicates that the ue is in a good network environment, the DRX establishing apparatus 51 establishes a DRX configuration for the ue on the base station side and sends an indication of establishing the DRX configuration to the ue; thereafter, when the a3 measurement report received from the ue indicates that the ue transits to the bad network environment, the DRX releasing means 52 releases the DRX configuration of the ue at the base station side and sends an indication of releasing the DRX configuration to the ue.
Further, the DRX establishing means 51 continues to establish the DRX configuration for the user equipment when the A3 measurement report indicating that the user equipment is in the good network environment is received again, so that the DRX releasing means 52 can release the DRX configuration for the user equipment according to the A3 measurement report indicating that the user equipment is in the bad network environment thereafter, and so on until the user equipment leaves the serving cell of the base station.
Corresponding to the third preferred embodiment of the present invention, the DRX configuration apparatus 50 may further include an environment measurement apparatus (not shown in fig. 5), which measures the SINR of the user equipment to determine the current network environment condition of the user equipment. Until the measured SINR is higher than a predetermined threshold, the DRX establishing means 51 determines that the user equipment is in a good network environment, establishes DRX configuration for the user equipment on the base station side, and sends an instruction to establish DRX configuration to the user equipment; thereafter, when the measured SINR is lower than a predetermined threshold, the DRX releasing means 52 determines that the user equipment moves to an inferior network environment, releases the DRX configuration for the user equipment on the base station side, and transmits an instruction to release the DRX configuration to the user equipment.
Further, the DRX establishing means 51 continues to establish the DRX configuration for the user equipment when it is determined that the user equipment is in the good network environment, so that the DRX releasing means 52 can release the DRX configuration for the user equipment when it is determined that the user equipment is transitioned to the bad network environment later, and so on until the user equipment leaves the serving cell of the base station.
According to a preferred embodiment of the present invention, for the handover scenario, in the handover preparation phase, the source base station will transfer the information configured to the ue to be handed over to the target base station, so that the DRX configuration apparatus 50 of the target base station may further include a DRX checking apparatus (not shown in fig. 5), which may check whether the source base station has released the DRX configuration of the ue; if not, sending an indication to the UE to release its current DRX configuration, for example, sending a handover command to the UE to instruct the UE to release its DRX configuration. Subsequently, when the ue completes the initial access to the target base station, the target base station becomes the serving base station of the ue, and the DRX configuration apparatus 50 of the serving base station starts to cyclically invoke the DRX establishing apparatus 51 and the DRX releasing apparatus 52 therein to dynamically configure DRX for the ue.
Claims (12)
1. A method for configuring DRX (discontinuous reception) for user equipment at a base station side, wherein the user equipment does not perform DRX configuration by default, and the method comprises the following cyclic steps:
a, establishing DRX configuration for the user equipment until the user equipment is in a preferred network environment;
b, when the user equipment is transferred to an inferior network environment, releasing the DRX configuration for the user equipment.
2. The method according to claim 1, wherein the step a specifically comprises:
-sending a configuration of an a1 measurement report to the user equipment, the a1 measurement report configured to include an indication that the user equipment is in a good network environment;
-establishing a DRX configuration for the user equipment at the base station upon receiving the a1 measurement report from the user equipment, and sending an indication of establishing a DRX configuration and a configuration for an a2 measurement report to the user equipment, the a2 measurement report being configured to include an indication that the user equipment is in a poor network environment;
then, the step b specifically includes:
-releasing the DRX configuration of the user equipment at the base station and sending an indication to the user equipment to release the DRX configuration when receiving the a2 measurement report from the user equipment.
3. The method of claim 1, wherein the method further comprises the steps of:
-sending a configuration of an A3 measurement report to the user equipment, the A3 measurement report being configured to comprise an indication that the user equipment is in a superior network environment or an inferior network environment;
wherein, the step a specifically comprises:
-establishing a DRX configuration for the user equipment at the base station and sending an indication to the user equipment to establish a DRX configuration until the a3 measurement report sent by the user equipment indicates that the user equipment is in a good network environment;
then, the step b specifically includes:
-releasing the DRX configuration of the user equipment at the base station and sending an indication to the user equipment to release the DRX configuration when the a3 measurement report received from the user equipment indicates that the user equipment is in a bad network environment.
4. The method of claim 1, wherein prior to step a, the method further comprises the steps of:
-measuring the SINR of the user equipment to determine the current network environment condition of the user equipment.
5. The method according to any of claims 1 to 4, wherein the current base station is a target base station to which the user equipment is to be handed over, wherein, in a handover preparation phase, before the step a, the method further comprises the steps of:
-checking if the DRX configuration of the user equipment has been released;
-if not, sending an indication to the user equipment to release its current DRX configuration.
6. An apparatus for configuring DRX for a user equipment at a base station side, wherein the user equipment does not perform DRX configuration by default, the apparatus comprising:
a DRX establishing device, configured to establish DRX configuration for the user equipment until the user equipment is in a preferred network environment;
and the DRX releasing device is used for releasing the DRX configuration for the user equipment when the user equipment is switched from the excellent network environment to the inferior network environment.
7. The apparatus according to claim 6, wherein the DRX establishing apparatus is specifically configured to:
-sending a configuration of an a1 measurement report to the user equipment, the a1 measurement report configured to include an indication that the user equipment is in a good network environment;
-upon receiving the a1 measurement report from the user equipment, establishing a DRX configuration for the user equipment at the base station and sending an indication of the established DRX configuration and a configuration of an a2 measurement report to the user equipment, the a2 measurement report being configured to include an indication that the user equipment is in a poor network environment;
then, the DRX releasing apparatus is specifically configured to:
-releasing the DRX configuration of the user equipment at the base station and sending an indication to the user equipment to release the DRX configuration when receiving the a2 measurement report from the user equipment.
8. The apparatus of claim 6, wherein the apparatus further comprises:
measurement configuration means for sending a configuration of an A3 measurement report to the user equipment, the A3 measurement report being configured to include an indication that the user equipment is in a good network environment or a bad network environment;
wherein the DRX establishing apparatus is specifically configured to:
-establishing a DRX configuration for the user equipment at the base station and sending an indication to the user equipment to establish a DRX configuration until the a3 measurement report sent by the user equipment indicates that the user equipment is in a good network environment;
then, the DRX releasing apparatus is specifically configured to:
-releasing the DRX configuration of the user equipment at the base station and sending an indication to the user equipment to release the DRX configuration when the a3 measurement report received from the user equipment indicates that the user equipment is in a bad network environment.
9. The apparatus of claim 6, wherein the apparatus further comprises:
and the environment measuring device is used for measuring the SINR of the user equipment so as to determine the current network environment condition of the user equipment.
10. The apparatus according to any of claims 6 to 9, wherein the current base station is a target base station to which the user equipment is to be handed over, wherein the apparatus further comprises DRX checking means for:
-checking, in a handover preparation phase, whether the DRX configuration of the user equipment has been released;
-if not, sending an indication to the user equipment to release its current DRX configuration.
11. A base station for configuring DRX for a user equipment, wherein the base station is configured to perform the method of any one of claims 1 to 5.
12. A base station for configuring DRX for a user equipment, wherein the base station comprises the apparatus of any one of claims 6 to 10.
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