WO2014198170A1 - 一种确定ue激活时间的方法及装置 - Google Patents
一种确定ue激活时间的方法及装置 Download PDFInfo
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- WO2014198170A1 WO2014198170A1 PCT/CN2014/076919 CN2014076919W WO2014198170A1 WO 2014198170 A1 WO2014198170 A1 WO 2014198170A1 CN 2014076919 W CN2014076919 W CN 2014076919W WO 2014198170 A1 WO2014198170 A1 WO 2014198170A1
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- dtx
- activation time
- base station
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- time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- a method for determining the activation time of a UE is set forth in the Chinese Patent Application No. 201310231148.1, entitled “A Method and Apparatus for Determining the Activation Time of a UE", filed on June 9, 2013 by the Chinese Patent Office. Priority is hereby incorporated by reference in its entirety.
- Embodiments of the present invention relate to the technical field of discontinuous transmission (DTX: Discontinuous Transmission) and discontinuous reception (DRX: Discontinuous Reception), and in particular, to a determination.
- DTX Discontinuous Transmission
- DRX discontinuous Reception
- a carrier of a lower frequency band is generally used to provide services for users.
- users With the popularization of smart phones, users have higher requirements for wireless transmission rates, in order to satisfy The needs of users need to gradually use resource-rich high-band carriers to provide services.
- small-scale base stations Because of the small coverage of high-band carriers, such base stations using high-band carriers are generally referred to as small-scale base stations, and the coverage of small-scale base stations is called small. Cell (Small Cell).
- the 3GPP proposes to introduce a Discontinuous Transmission (DTX) mechanism, and it is desirable to reduce the power consumption of the small cell by means of a small cell discontinuous transmission of a Physical Downlink Control Channel (PDCCH).
- DTX Discontinuous Transmission
- PDCCH Physical Downlink Control Channel
- the base station since the base station usually performs continuous PDCCH transmission, in order to reduce the power consumption of the UE, it is introduced in the existing Long Term Evolution (LTE).
- LTE Long Term Evolution
- DRX Discontinuous Reception
- the discontinuous reception (DRX: Discontinuous Reception) mechanism reduces the power consumption of the UE by means of the UE not continuously monitoring the PDCCH channel.
- the DX determines the UE activation time (ie, the activation time for the UE to perform PDCCH detection), but should take the activation time of the UE DX and the activation of the learned base station DTX (ie, UE DTX).
- the overlap time between the UEs is the time when the UE should actually work, that is, the UE activation time. See Figure 1. In FIG.
- a high level indicates that the corresponding base station/UE is in DTX/DRX activation time
- a low level indicates that it is in DTX/DRX sleep time
- an overlapping area of high level between UE1 and UE2 is a solid line portion in the figure. It is the time when the UE should work.
- the purpose of the embodiments of the present invention is to provide a method and a device for determining a UE activation time, so that the UE can learn the change of the base station DTX so that the correct UE activation time can be determined.
- An embodiment of the present invention provides a method for determining a UE activation time, where the method includes: acquiring extension information of a base station that discontinuously transmits a DTX activation time, where the extension information is used to indicate an extension of a base station to a base station DTX activation time;
- the UE DTX activation time is the base station DTX activation time learned by the UE.
- the extended information includes an activation time extension time and an activation time extension duration
- the adjusting the UE DTX activation time according to the extended information includes:
- the UE DTX activation time is extended from the activation time extension time, and the extension length is the activation time extension duration.
- the activation time extension time is received by the UE or pre-configured in the
- the activation time extension duration is received by the UE or pre-configured in the UE.
- the adjusting the UE DTX activation time according to the extended information comprises: receiving according to the UE The extended indicator to the UE DTX activation time is extended from the activation time extension time, and the extension length is the activation time extension duration.
- the extended information further includes an activation time extension direction
- extension length is the activation time extension duration
- the UE DTX activation time is extended in the activation time extension direction from the activation time extension time, and the extension length is the activation time extension duration.
- the extended information includes an interval duration
- the adjusting the UE DTX activation time according to the extended information includes:
- the UE After the current UE DTX activation time ends, the UE re-enters the next UE DTX activation time by the interval duration.
- the receiving manner includes:
- the receiving by receiving the PDCCH command, includes:
- configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for detecting the PDCCH order, or a DTX for detecting a PDCCH order in the UE RNTI;
- the method further includes: determining, when the base station is in the DTX sleep state, whether the specified trigger condition is met; if yes, sending a wakeup message to the base station to request The base station extends the DTX activation time.
- the specified triggering condition includes:
- Upstream buffer status report UL BSR exceeds the specified threshold, or,
- the service that the UE currently has a new high quality of service QoS requirement needs to be initiated, or the current service of the UE cannot be delayed until the next base station DTX activation time.
- the wake-up message includes:
- An embodiment of the present invention further provides a method for determining a UE activation time, where the method includes:
- the single DTX period of the base station includes a base station DTX activation time and a base station DTX sleep time in the current period;
- step 1) Continue to perform step 1) when the specified time is reached or within the specified time period to obtain the next DTX cycle of the base station.
- the obtaining a single DTX period of the base station includes:
- the acquiring a single DTX period of the base station by receiving the physical downlink control channel PDCCH command includes: Receiving the specified configuration information, where the configuration information includes a DTX-RNTI configured for detecting the PDCCH command, or a DTX-NTI preset for detecting the PDCCH command in the UE;
- the embodiment of the present invention further provides a method for determining a UE activation time.
- the method includes: when a base station expands a DTX activation time of a discontinuous transmission of a base station, sending, to the user equipment UE, extension information of a base station DTX activation time, And causing the UE to adjust the UE DTX activation time according to the extended information, and use the overlap time of the UE DTX activation time and the UE discontinuous reception DRX activation time as the UE activation time to monitor the physical downlink control channel PDCCH channel.
- the UE DTX activation time is a base station DTX activation time learned by the UE.
- the extended information includes one or more of an activation time extension time, an activation time extension duration, an activation time extension direction, and an interval duration.
- the sending the extended information of the base station DTX activation time to the user equipment UE includes: sending the extension information of the base station DTX activation time by sending the medium access control MAC control element to the user equipment UE; or
- the extension information of the base station DTX activation time is transmitted by transmitting a physical downlink control channel PDCCH order to the user equipment UE.
- the method further includes:
- the base station DTX activation time is extended according to the wakeup message.
- the method further includes:
- the base station serves as a small base station S-eNB, and sends the configuration to the S-eNB to the macro base station M-eNB.
- the M-eNB After receiving the request, the M-eNB sends DTX configuration information to the S-eNB, It is assumed that the S-eNB configures DTX.
- the request includes: a proportional relationship information between the recommended DTX activation duration and the sleep duration.
- the DTX configuration information includes: an activation duration in the DTX period of the S-eNB, a sleep duration, and a parameter value used to determine a DTX activation duration start time.
- the method further includes:
- the base station as the small base station S-eNB, sends the DTX parameters configured for the UE to the macro base station M-eNB;
- the M-eNB configures the DRX parameter for the UE according to the DTX parameter configured for the UE.
- the DTX parameter configured by the small base station S-eNB for the UE is sent to the macro base station.
- M-eNB including:
- the S-eNB sends the DTX parameters configured for the UE to the M-eNB when it learns that the UE needs to work in the S-eNB and the M-eNB at the same time; or
- the S-eNB sends the DTX parameter configured by the S-eNB to the UE to the M-eNB according to the request of the M-eNB;
- the UE When the UE needs to work simultaneously under the S-eNB and the M-eNB, the UE sends the DTX parameters configured by the S-eNB to the UE to the M-eNB.
- the embodiment of the present invention further provides a method for determining a UE activation time, where the method includes: transmitting, to a user equipment UE, each discontinuous transmission DTX period of a base station, where the DTX period includes a base station DTX activation time in the current period.
- the base station DTX sleeps time, so that the UE uses the overlap time of the base station DTX activation time and the UE discontinuous reception DRX activation time as the UE activation time to monitor the physical downlink control channel PDCCH channel.
- the sending, to the user equipment UE, each DTX period of the base station includes: transmitting, by sending a media access control MAC control element to the user equipment UE, each DTX period of the base station; or
- Each DTX period of the base station is transmitted by transmitting a physical downlink control channel PDCCH order to the user equipment UE.
- the method further includes:
- the base station as the small base station S-eNB, sends a request for configuring the DTX for the S-eNB to the macro base station M-eNB;
- the M-eNB After receiving the request, the M-eNB sends DTX configuration information to the S-eNB to configure DTX for the S-eNB.
- the request includes: a proportional relationship information between the recommended DTX activation duration and the sleep duration.
- the DTX configuration information includes: an activation duration in the DTX period of the S-eNB, a sleep duration, and a parameter value used to determine a DTX activation duration start time.
- the method further includes:
- the base station as the small base station S-eNB, sends the DTX parameters configured for the UE to the macro base station M-eNB;
- the M-eNB configures the DRX parameter for the UE according to the DTX parameter configured for the UE.
- the transmitting, by the small base station S-eNB, the DTX parameter configured by the UE to the macro base station M-eNB includes:
- the S-eNB sends the DTX parameters configured for the UE to the M-eNB when it learns that the UE needs to work in the S-eNB and the M-eNB at the same time; or
- the S-eNB sends the DTX parameter configured by the S-eNB to the UE according to the request of the M-eNB to
- the UE When the UE needs to work simultaneously under the S-eNB and the M-eNB, the UE sends the DTX parameters configured by the S-eNB to the UE to the M-eNB.
- the embodiment of the present invention further provides an apparatus for determining a UE activation time, where the apparatus includes: an extended information acquiring unit, configured to acquire extended information that a base station does not continuously transmit a DTX activation time, where the extended information is used to indicate a base station to a base station. Extensions made by DTX activation time; a UE DTX adjusting unit, configured to adjust, according to the extended information, a UE DTX activation time, where the UE DTX activation time is a base station DTX activation time learned by the UE;
- the UE activation time determining unit is configured to use the overlap time of the UE DTX activation time and the UE discontinuous reception D X activation time as the UE activation time to monitor the physical downlink control channel PDCCH channel.
- the extended information includes an activation time extension time and an activation time extension duration
- the UE DTX adjusting unit is specifically configured to: extend the UE DTX activation time from the activation time extension time, and the extension length is the activation time extension duration.
- the activation time extension time is received by the UE or pre-configured in the UE, and the activation time extension duration is received by the UE or pre-configured in the UE.
- the UE DTX adjustment unit is specifically configured to:
- the UE DTX activation time is extended from the activation time extension time, and the extension length is the activation time extension duration.
- the extended information further includes an activation time extension direction
- the UE DTX adjustment unit is specifically configured to:
- the UE DTX activation time is extended in the activation time extension direction from the activation time extension time, and the extension length is the activation time extension duration.
- the extended information includes an interval duration
- the UE DTX adjustment unit is specifically configured to:
- the extended information acquiring unit includes:
- a MAC receiving subunit configured to acquire the extended information or the extended indicator by receiving a medium access control MAC control element; or include:
- an RRC receiving subunit configured to acquire the extended information or the extended indicator by receiving a radio resource control RRC message; or include:
- a PDCCH receiving subunit configured to acquire the extended information or the extended indicator by receiving a physical downlink control channel PDCCH order.
- the PDCCH receiving subunit when the PDCCH receiving subunit is included, the PDCCH receiving subunit includes:
- a configuration information receiving subunit configured to receive configuration information, where the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-NTI for detecting a PDCCH command;
- the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-NTI for detecting a PDCCH command;
- a detecting subunit configured to detect, according to the DTX-RNTI, a specified PDCCH command, where the specified PDCCH command includes the extended information or the extended indicator.
- the device further includes:
- an extension request sending unit configured to determine whether the specified trigger condition is met when the base station is in a DTX sleep state, and if yes, send a wake-up message to the base station to request the base station to extend the DTX activation time.
- the specified triggering condition includes:
- Upstream buffer status report UL BSR exceeds the specified threshold, or,
- the service that the UE currently has a new high quality of service QoS requirement needs to be initiated, or the current service of the UE cannot be delayed until the next base station DTX activation time.
- the wake-up message includes:
- the embodiment of the present invention further provides an apparatus for determining a UE activation time, where the apparatus includes: a single period acquisition unit, configured to acquire a single discontinuous transmission DTX period of the base station, where the single DTX period of the base station includes a base station DTX in the current period. Activation time and base station DTX sleep time;
- the UE activation time determining unit uses the overlap time of the base station DTX activation time and the discontinuous reception DRX activation time of the UE as the UE activation time to monitor the physical downlink control channel PDCCH channel;
- the single cycle acquisition unit includes:
- a MAC receiving subunit configured to acquire a single DTX period of the base station by receiving a medium access control MAC control element; or include:
- An RRC receiving subunit configured to acquire a single DTX period of the base station by receiving a radio resource control RRC message; or include:
- a PDCCH receiving subunit configured to acquire a single DTX period of the base station by receiving a PDCCH command.
- the PDCCH receiving subunit when the PDCCH receiving subunit is included, the PDCCH receiving subunit includes:
- a configuration information receiving subunit configured to receive configuration information, where the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-RNTI for detecting a PDCCH order;
- the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-RNTI for detecting a PDCCH order;
- a detecting subunit configured to detect, according to the DTX-RNTI, a specified PDCCH command, where the specified PDCCH command includes a single DTX period of the base station.
- the embodiment of the present invention further provides an apparatus for determining a UE activation time, where the apparatus includes: an extension determining unit, configured to determine whether the base station extends the DTX activation time of the discontinuous transmission of the base station, and if yes, triggers the extended information sending unit;
- An extended information sending unit configured to send an extension of a base station DTX activation time to the user equipment UE And the information, so that the UE adjusts the UE DTX activation time according to the extended information, and uses the overlap time of the UE DTX activation time and the UE discontinuous reception DRX activation time as the UE activation time to the physical downlink control channel PDCCH.
- the channel is monitored, wherein the UE DTX activation time is a base station DTX activation time learned by the UE.
- the extended information includes one or more of an activation time extension time, an activation time extension duration, an activation time extension direction, and an interval duration.
- the extended information sending unit includes:
- a MAC sending subunit configured to send extended information of the base station DTX activation time by sending the media access control MAC control element to the user equipment UE; or include:
- an RRC sending subunit configured to send extended information of a base station DTX activation time by sending a radio resource control RRC message to the user equipment UE; or include:
- a PDCCH sending subunit configured to send extended information of the base station DTX activation time by sending a physical downlink control channel PDCCH command to the user equipment UE.
- the device further includes:
- an extension triggering unit configured to receive a wakeup message sent by the UE when the base station is in a DTX sleep state, and expand the base station DTX activation time according to the wakeup message.
- An embodiment of the present invention provides an apparatus for determining a UE activation time, where the apparatus includes:
- a DTX periodic sending unit configured to send, to the user equipment UE, each discontinuous transmission DTX period of the base station, where the DTX period includes a base station DTX activation time and a base station DTX sleep time in the current period, so that the UE sends the base station
- the overlap time of the DTX activation time and the UE discontinuous reception of the DRX activation time is used as the UE activation time to listen to the physical downlink control channel PDCCH channel.
- the DTX periodic sending unit includes:
- a MAC sending subunit configured to send each DTX period of the base station by sending a media access control MAC control element to the user equipment UE; or include:
- an RRC sending subunit configured to send each DTX period of the base station by sending a radio resource control RRC message to the user equipment UE; or include:
- a PDCCH transmitting subunit configured to send a physical downlink control channel to the user equipment UE
- Each DTX cycle of the base station is transmitted in a manner of a PDCCH order.
- the embodiment of the present invention can obtain the latest DTX situation according to the change of the base station side DTX by acquiring the extended information of the base station DTX activation time, and the UE can be combined with the UE.
- the DX determines the correct UE activation time and ultimately ensures the QoS of the UE.
- Figure 1 is a schematic diagram showing the overlap of DTX and DRX
- Figure 2 is a schematic diagram showing the operation of the DRX
- Figure 3 is a schematic diagram showing the expansion of DTX activation time
- FIG. 4 is a flow chart illustrating a method of an embodiment of the present invention.
- FIG. 5 is a schematic diagram of signaling according to Embodiment 2 of the present invention.
- Figure 6 is a schematic view showing the third embodiment of the present invention.
- FIG. 7 is a schematic diagram of signaling according to Embodiment 4 of the present invention.
- Figure 8 is a schematic view showing the apparatus of the seventh embodiment of the present invention.
- Figure 9 is a schematic view showing the apparatus of the eighth embodiment of the present invention.
- Figure 10 is a schematic view showing the apparatus of the ninth embodiment of the present invention.
- FIG. 11 is a schematic diagram showing an eleventh UE according to an embodiment of the present invention.
- FIG. 12 is a schematic diagram showing twelve base stations according to an embodiment of the present invention.
- the UE is monitoring the PDCCH channel (DTX is not considered in FIG. 2, so the UE activation time is equal to the DRX activation time), and the low level is DRX.
- Sleep state Specifically, in the initial stage of a DRX cycle, the UE first starts an onDurationTimer duration timer, in which the UE needs to listen to the PDCCH channel to obtain scheduling information. If the UE does not receive the scheduling information within the onDurationTimer timer time, the UE enters a sleep state and stops listening to the PDCCH channel to save power.
- the operation diagram of the first line in Fig. 2 is formed. If the UE receives the scheduling information in the onDurationTimer time, each time the scheduling information is received, the UE needs to start another timer, that is, the inActivityTimer, that is, the DRX active state timer. During the DRX active state timer time, the UE always keeps listening to the active state of the PDCCH channel, as shown in the second row of Figure 2. Thereafter, if the DRX active state timer expires, or the UE receives the DRX MAC control element indicating that the UE enters the sleep state, the UE may enter a sleep state.
- the inActivityTimer that is, the DRX active state timer.
- FIG. 3 is a schematic diagram of DTX activation time expansion.
- the high level is the DTX activation time and the low level is the DTX sleep time.
- the DTX-active-time that is, the duration of the DTX activation state
- the DTX sleep time that is, the duration of the DTX sleep state
- It is the time when the UE thinks that the eNB does not send scheduling information on the PDCCH channel.
- the UE can basically know the operation of the DTX.
- the activation start time can be calculated by the received DTX start offset, as shown in the following formula:
- one radio frame includes 10 subframes, and the length of the DTX cycle is the activation duration + sleep duration.
- the subframe that satisfies the above formula is the starting subframe in which the eNB starts to enter the DTX active state.
- FIG. 4 is a flow chart of a method according to an embodiment of the present invention.
- This embodiment discloses a method for adjusting a discontinuous transmission DTX operation period, which can be used for a user equipment UE, and the method includes:
- the extension information may be an extension of the base station DTX activation time, and the specific content is not limited in this embodiment.
- the manner of obtaining the extended information may also be various, for example, receiving completely from the base station, or partially receiving the partial use of the UE preset from the base station, which is not limited in this embodiment.
- the DTX activation time and the UE do not continuously receive the overlap time of the DRX activation time as the UE activation time to monitor the physical downlink control channel PDCCH channel, where the UE DTX activation time is the base station DTX activation time learned by the UE.
- the UE activation time is the time when the UE should actually work, that is, the time when the UE needs to monitor the PDCCH channel. That is, the overlap time between the DTX activation time and the DRX activation time should be taken as the UE activation time.
- DTX is only available on the base station side, and the UE also acquires the DTX of the base station in order to calculate the UE activation time, in order to distinguish the DTX of the base station itself and the DTX of the base station DTX learned by the UE, in the present invention.
- the two base stations DTX and UE DTX are used respectively.
- the base station changes the base station DTX activation time to ensure the QoS of the current service of the UE or other reasons, the UE DTX information saved by the current UE is incorrect. Therefore, the UE needs to know the change of the base station DTX in time. Get the correct UE DTX, and then determine the correct UE activation time.
- the preferred extension information may include an activation time extension time (ie, a start point when the activation time is extended), an activation time extension duration, and an activation time extension.
- Directions, interval durations, etc. can describe combinations of one or more of the parameters that have been extended.
- the manner in which these parameters are obtained is not fixed, and may be completely sent by the base station to the UE, or may be partially sent by the base station, partially pre-configured in the UE, or even preset in the UE, and the present invention is not limited to the limitation. .
- the following is a schematic example: For example:
- the extension information may include an activation time extension time and an activation time extension duration.
- adjusting the UE DTX activation time according to the extension information may include: expanding the UE DTX activation time from the activation time extension time
- the extension length is the activation time extension duration.
- the extension of the base station to its own DTX is: At the activation time extension time (for example, the current time), the DTX enters an activation state whose length is the activation time extension duration, and the UE knows this. After the two parameters, the same adjustment can be made, so that the base station DTX that the UE has learned is consistent with the DTX of the base station itself.
- the acquisition of these parameters is not fixed, and may be completely sent by the base station to the UE, or may be partially transmitted by the base station, partially pre-configured in the UE, or even preset in the UE, so it is preferred. of:
- the activation time extension time is received by the UE or pre-configured in the UE, and the activation time extension duration is received by the UE or pre-configured in the UE.
- the UE when these parameters are preset in the UE, it is equivalent to the extension time and the extension duration when the base station and the UE need to be extended, so that the base station can send one or carry a trigger in other messages. If the command is extended, the UE can perform the same extension as the base station, that is:
- the adjusting the UE DTX activation time according to the extended information includes:
- the UE DTX activation time is extended from the activation time extension time, and the extension length is the activation time extension duration.
- the activation time extension direction may also be added as a parameter, and combined with the foregoing expansion time and extended duration, that is, the extended information further includes an activation time extension. direction;
- extension length is the activation time extension duration
- the UE DTX activation time is extended in the activation time extension direction from the activation time extension time, and the extension length is the activation time extension duration.
- the manner of obtaining the extended direction may also be sent by the base station to the UE or preset in the UE.
- the extended information includes an interval duration
- the adjusting the UE DTX activation time according to the extended information includes: after the current UE DTX activation time ends, the UE is separated into the next UE DTX activation time by the interval duration.
- the signaling carrying the parameters or instructions may be The invention may be dedicated signaling or may utilize existing signaling, and the invention is not limited thereto.
- the receiving includes:
- MAC Medium Access Control, media access control
- CE Control Element, Control element.
- the receiving by receiving the PDCCH order, includes: receiving configuration information, where the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or Determining, in the UE, a DTX-RNTI for detecting a PDCCH order; detecting, according to the DTX-RNTI, a specified PDCCH command, where the specified PDCCH command includes the extended information or the extended indicator.
- the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or Determining, in the UE, a DTX-RNTI for detecting a PDCCH order; detecting, according to the DTX-RNTI, a specified PDCCH command, where the specified PDCCH command includes the extended information or the extended indicator.
- DTX-RNTI discontinuous transmission-radio network temporary identifier
- the UE may continue to use the original UE DTX, that is, the UE DTX before the extension, until the new extension information is received, or repeat the implementation according to the current extension until a new one is received.
- Extended Information that is, the UE DTX before the extension, until the new extension information is received, or repeat the implementation according to the current extension until a new one is received.
- the method further includes: the step of the UE waking up the base station and requesting the base station to perform the expansion, that is, before the acquiring the extended information of the base station DTX activation time, the method further includes:
- the base station When the base station is in the DTX sleep state, it is determined whether the specified trigger condition is met; if yes, a wake-up message is sent to the base station to request the base station to extend the DTX activation time.
- the specified triggering condition includes: an uplink buffer status report, the UL BSR exceeds a specified threshold, or
- the UE currently has a new high QoS requirement to be initiated, or
- the current service of the UE cannot be delayed until the next base station DTX activation time.
- the wake-up message includes: a scheduling request SR signal sent on the PUCCH, or a preamble signal sent on the PRACH.
- the UE determines whether to temporarily enter the DTX activation time during the DTX sleep time of the eNB, or actively requests the eNB to extend the activation time of the DTX to provide a service according to the current uplink buffer status. For example, when the UE detects its own BSR (cache status) already If the UE detects that a new QoS-critical service needs to be initiated, the UE may actively request to wake up the eNB or request the eNB to extend the DTX activation time. The UE triggers sending a wake-up signal or a wake-up request message to the eNB based on a certain preset trigger condition.
- the triggering condition here may be: the UL BSR exceeds a certain threshold; or the service that the UE currently has a new high QoS requirement needs to be initiated; or, the current service of the UE is not expected to tolerate the next DTX activation time.
- the UE may send a wake-up signal to the eNB to request the eNB to schedule resources for it.
- the wake-up signal may be to transmit an SR signal on the PUCCH, or to transmit a preamble signal or the like on the PRACH.
- the eNB may exit from the sleep state, and then schedule a certain resource for the UE to perform uplink data transmission on the PDCCH.
- the embodiment of the present invention can obtain the latest DTX situation according to the change of the base station side DTX by acquiring the extended information of the base station DTX activation time, and can further combine the UE.
- the DX determines the correct UE activation time and ultimately ensures the QoS of the UE.
- FIG. 5 is a schematic diagram of signaling according to Embodiment 2 of the present invention.
- the PDCCH command is used as an example, and the eNB (which may be an S-eNB, that is, a Small eNB, the present invention does not distinguish) sends a PDCCH command to inform the UE that the DTX is extended on the base station side, and the UE receives and detects.
- the UE DTX can be adjusted correspondingly with some preset information.
- this embodiment may include the following steps:
- the eNB sends the DTX-RNTI configuration information to the UE to configure the DTX-NTL for the UE. This step is equivalent to the previous processing step.
- the DTX-RNTI is used to enable the UE to identify the DTX extension from the received multiple PDCCHs. PDCCH command for related information.
- the DTX-RNTI may also be a preset value, or the DTX-RNTI may be configured for the UE by sending a broadcast message by the eNB.
- the eNB When the eNB needs to extend the DTX, send a PDCCH command for carrying the DTX extension related information to the UE, to notify the UE to perform the extension. S503.
- the UE detects the PDCCH channel by using the DTX-RNTI to determine whether a PDCCH command carrying the DTX extension related information is received, and if yes, performs corresponding adjustment.
- the PDCCH command may include one or more of the following parameters:
- the DTX activation time extension indicator is equivalent to a trigger command, and the UE will start a preset DTX extended timer (DTX-extended-timer) at the specified time.
- the specified time mentioned here is the starting point of the activation time extension, which may be the current time or other time.
- the UE considers that the eNB will continue to be in an active state, that is, the scheduling information is sent through the PDCCH channel.
- the specified time and the length of the DTX extension timer in the present section may be preset values, or may be pre-configured by the eNB through the high layer signaling, for example, in the foregoing step S501, together with the DTX-RNTI configuration information.
- UE may be preset values, or may be pre-configured by the eNB through the high layer signaling, for example, in the foregoing step S501, together with the DTX-RNTI configuration information.
- the UE is notified of the specific extended duration of the DTX activation time by using the PDCCH command, and the UE starts to enter the activation state of the DTX activation time extension duration from the specified time.
- the specified time in this paragraph may be the current time or other time, and the manner of obtaining may be preset in the UE or configured by the UE through signaling.
- the extended reference is also the starting point for the expansion, which may be the expansion of the activation time in a DTX cycle, as shown by the arrows to the right or left in Figure 3, respectively.
- the extended duration may be preset in the UE, or configured by the eNB in advance for the UE through high layer signaling, or sent to the UE together with the DTX extension reference + extension direction.
- the UE After receiving the PDCCH command, the UE enters the DTX active state again after the end of the current DTX activation time and after the interval of the extended interval indicated by the PDCCH interval.
- the eNB may indicate that the specific UE performs the activation time extension in the latest PDCCH scheduling. That is, if the UE does not successfully receive the PDSCH of the current subframe, whether to wait for the subsequent retransmission after the end of the normal activation time needs to be determined based on the indication of the eNB.
- Uplink non-adaptive synchronous HARQ (Hybrid ARQ) retransmission problem If the UE needs to perform synchronous uplink HARQ retransmission at some time after the termination of the activation time, the UE should continue to perform an uplink weight. Or, the UE continues to support the uplink retransmission until the maximum number of HARQ retransmissions of the transport block is reached, or the UE does not perform uplink retransmission, and saves the current transport block to be retransmitted, and then waits again at the beginning of the next activation time. The transport block is transmitted, or the UE does not perform uplink retransmission, and releases the currently buffered transport block.
- Hybrid ARQ Hybrid ARQ
- the embodiment of the present invention can obtain the latest DTX situation according to the change of the base station side DTX by acquiring the extended information of the base station DTX activation time, and can further combine the UE.
- the DX determines the correct UE activation time and ultimately ensures the QoS of the UE.
- FIG. 6 is a flow chart of a method of the third embodiment of the present invention.
- This embodiment is similar to the first embodiment, and the difference in details is that, in the first embodiment, the UE knows the situation of the base station DTX before the extension, in other words, the UE has already learned a basic DTX as a basis. In this way, when the base station DTX is extended, the extended information only needs to be notified to the UE. After the end of the extension, the UE can continue to use the previously known basic UE DTX (of course, the adjusted UE DTX can also be used) until receiving. The next time you expand the information. It can be said that the dynamics of this embodiment are relatively weak.
- the base station when the base station expands the DTX, the base station does not only transmit the extended information, but further, directly informs the DTX activation and the sleep condition by a single cycle unit by means of real-time or timing.
- UE UE determines the UE activation time based on the received DTX period and its own DX.
- the UE may continue to acquire the next DTX of the base station.
- the cycle thus forming a loop, allows the UE to fully dynamically learn the DTX period of the base station, that is, to know any extensions made by the base station to DTX. It can be said that this embodiment is a completely dynamic mode.
- the specific embodiment of the present invention discloses a method for determining a UE activation time, which can be used for a user equipment UE, and the method includes:
- the base station may repeatedly transmit the single DTX period of the base station. Specifically, the base station may transmit in each subframe, or may perform periodic repeated transmission every certain subframe.
- the DTX activation time and the sleep time may refer to that the eNB will continuously enter the DTX active state after the acquired subframe in which the current DTX period information of the base station is located, and the eNB will enter the DTX sleep state after the activation state expires.
- the duration of the state or it may be the total active time of the base station during the current DTX cycle and the time of the sleep state after the total active state ends.
- the overlap time of the base station DTX activation time and the UE discontinuous reception DRX activation time is used as the UE activation time to monitor the physical downlink control channel PDCCH channel.
- the specified time or specified time period may be a time or a time period after the end of the current DTX period or before the end.
- the acquiring a single DTX period of the base station may include:
- the obtaining, by the receiving the physical downlink control channel PDCCH command, the single DTX period of the base station includes: Receiving the specified configuration information, where the configuration information includes a DTX-RNTI configured for detecting the PDCCH command, or a DTX-NTI preset for detecting the PDCCH command in the UE;
- this embodiment can obtain the extension of the base station by acquiring the DTX period of the base station, that is, knowing the latest DTX situation of the DTX, and then combining the UE DRX. The correct UE activation time is determined, and finally the QoS of the UE is ensured.
- FIG. 7 is a schematic diagram of signaling according to Embodiment 4 of the present invention.
- This embodiment is based on the third embodiment and is a further refinement of the third embodiment in combination with a specific scenario.
- the eNB first configures a common DTX-RNTI or a preset DTX-RNTI for all the UEs, so that the UE detects the relevant PDCCH based on the DTX-RNTI, and dynamically learns the base station according to the information carried in the PDCCH.
- Single DTX cycle may specifically include the following steps:
- the UE acquires a PDCCH command that is sent by the eNB and includes a single DTX period.
- a single DTX cycle includes the activation/sleep time during that cycle.
- the eNB may inform the UE from the current subframe, the duration that the eNB will continuously be in the DTX activation state, and the duration that the eNB will enter the DTX sleep state after the activation state expires, or may also be the total duration of the current DTX period of the base station. The time that is active and the time that the sleep state is after the end of the total activation state.
- the UE detects the PDCCH command according to the configured DTX-RNTI, learns the activation/sleep time of the single DTX cycle, and joins the DRX to calculate the UE activation time.
- the eNB may send information of each DTX period to the UE one after another, and when the UE needs to determine the next DTX period when ending a DTX period, the UE may select one of each DTX period information received from the foregoing according to the current time. Properly calculate the UE activation time.
- the UE After the expiration of the DTX sleep time or the other preset time, the UE continues to acquire the PDCCH command that is sent by the eNB and includes the next DTX period, which is equivalent to repeatedly performing S701.
- the next DTX cycle may be the same as or different from the previous one.
- the eNB may not need to send the same DTX period, and the UE may determine the next DTX period according to the previous DTX period.
- this embodiment can obtain the extension of the base station by acquiring the DTX period of the base station, that is, knowing the latest DTX situation of the DTX, and then combining the UE DRX. The correct UE activation time is determined, and finally the QoS of the UE is ensured.
- the fifth embodiment corresponds to the first embodiment.
- the difference in details is that the first embodiment can be used on the UE side, and the embodiment can be used on the base station side.
- This embodiment provides a method for determining a UE activation time, where the method includes:
- the extension information of the base station DTX activation time is sent to the user equipment UE, so that the UE adjusts the UE DTX activation time according to the extended information, and adjusts the UE.
- the overlap time of the DTX activation time and the UE discontinuously receiving the DRX activation time is used as the UE activation time to monitor the physical downlink control channel PDCCH channel, where the UE DTX activation time is the base station DTX activation time learned by the UE.
- the extended information includes one or more of an activation time extension time, an activation time extension duration, an activation time extension direction, and an interval duration.
- the sending the extended information of the base station DTX activation time to the user equipment UE includes: transmitting the extension information of the base station DTX activation time by sending the medium access control MAC control element to the user equipment UE; or, by using the user equipment
- the UE sends the radio resource control RRC message to send the extended information of the base station DTX activation time.
- the extension information of the base station DTX activation time is sent by sending the physical downlink control channel PDCCH command to the user equipment UE.
- the method may further include the following steps: the UE actively waking up the base station: receiving the wake-up message sent by the UE when the base station is in the DTX sleep state; and expanding the base station DTX activation time according to the wake-up message.
- the method may further include the following steps: the macro base station uniformly controls the DTX configuration of the small base station to reduce mutual interference of the small base stations:
- the base station as the small base station S-eNB, sends a request for configuring the DTX for the S-eNB to the macro base station M-eNB;
- the M-eNB After receiving the request, the M-eNB sends DTX configuration information to the S-eNB to configure DTX for the S-eNB.
- the request includes: a proportional relationship information between the recommended DTX activation duration and the sleep duration.
- the DTX configuration information includes: an activation duration in the DTX period of the S-eNB, a sleep duration, and a parameter value used to determine a DTX activation duration start time.
- the DTX is determined by the S-eNB itself.
- a part of the S-eNBs are working at the activation time and another part is S-
- the eNB can be in a sleep time to reduce mutual interference, and further provides a step of uniformly controlling and coordinating the above DTX mode configuration by the M-eNB.
- the M-eNB configures the subframe or frame information of the activation time and the sleep time for the UE, for example, the 0-4 subframe of each radio frame is the activation time, and the 5-9 subframe.
- the M-eNB may configure the odd-numbered subframe or the odd-numbered frame of the S-eNB as an activation time, an even subframe or an even frame. For sleep time, and more.
- the method may further include the following steps: determining, by the macro base station, the DRX configuration of the UE based on the DTX configuration of the small base station:
- the base station as the small base station S-eNB, sends the DTX parameters configured for the UE to the macro base station M-eNB;
- the M-eNB configures the DRX parameter for the UE according to the DTX parameter configured for the UE.
- the transmitting, by the small base station S-eNB, the DTX parameter configured by the UE to the macro base station M-eNB includes:
- the S-eNB sends the DTX parameters configured for the UE to the M-eNB when it learns that the UE needs to work in the S-eNB and the M-eNB at the same time; or The S-eNB sends the DTX parameter configured by the S-eNB for the UE to the M-eNB according to the request of the M-eNB; or
- the UE When the UE needs to work simultaneously under the S-eNB and the M-eNB, the UE sends the DTX parameters configured by the S-eNB to the UE to the M-eNB. Specifically, if the UE works under the M-eNB and the S-eNB at the same time, in order to better match
- the DRX configuration of the UE under the S-eNB and the M-eNB and the DTX configuration of the UE under the S-eNB may configure the DRX parameter configuration of the UE under the S-eNB and the M-eNB as a common DRX, that is, The DRX parameter configuration of the UE under the S-eNB and the M-eNB is the same. Therefore, it is necessary to configure a common DRX parameter configuration for the UE in combination with the DTX parameter configuration of the S-eNB. First, the S-eNB notifies the M-eNB of the DTX-related parameters that are configured for the UE.
- the UE is configured to configure the DTX parameters currently under the S-eNB when the S-eNB and the M-eNB work simultaneously.
- the M-eNB may be sent to the M-eNB, and the S-eNB may notify the M-eNB of the DTX parameters configured for the UE, or the M-eNB, firstly, when the UE needs to work simultaneously under the S-eNB and the M-eNB.
- the S-eNB is requested to transmit, and then the S-eNB sends the DTX parameters of the UE to the M-eNB.
- the M-eNB configures a suitable DRX parameter for the UE based on the DTX configuration of the S-eNB, and the DRX parameter may be a DRX parameter commonly used by the UE under the MeNB and the SeNB.
- the embodiment of the present invention can obtain the latest DTX situation according to the change of the base station side DTX by transmitting the extended information of the base station DTX activation time, and can further combine the UE.
- the DX determines the correct UE activation time and ultimately ensures the QoS of the UE.
- the sixth embodiment corresponds to the three-phase embodiment.
- the difference in detail is that the third embodiment can be used for the UE side, and the embodiment can be used for the base station side.
- This embodiment provides a method for determining a UE activation time. The method includes: transmitting, to a user equipment UE, each discontinuous transmission DTX period of a base station, where the DTX period includes a base station DTX activation time and a base station DTX in the current period. Sleep time, such that the UE transmits the overlap time of the base station DTX activation time and the UE discontinuous reception DRX activation time as UE activation The time is to monitor the physical downlink control channel PDCCH channel.
- the sending, to the user equipment UE, each DTX period of the base station includes: transmitting, by sending a media access control MAC control element to the user equipment UE, each DTX period of the base station; or
- Each DTX period of the base station is transmitted by transmitting a Physical Downlink Control Channel PDCCH order to the User Equipment UE.
- the method in this embodiment may also include the steps of the UE actively waking up the base station, the macro base station uniformly controlling the DTX configuration of the small base station, thereby reducing the mutual interference of the small base stations, and the DTX configuration of the macro base station based on the small base station.
- the steps of determining the DRX configuration of the UE are not described here.
- the UE When the base station expands its original DTX, in this embodiment, by transmitting the DTX period of the base station, the UE can learn the extension made by the base station, that is, learn the latest DTX situation of the DTX, and thus can combine the UE DRX. The correct UE activation time is determined, and finally the QoS of the UE is ensured.
- FIG. 8 is a schematic diagram of a device according to Embodiment 7 of the present invention.
- This embodiment corresponding to the first embodiment, provides an apparatus 800 for determining a UE activation time, and the apparatus 800 includes:
- the extended information acquiring unit 801 is configured to obtain extended information that the base station does not continuously send the DTX activation time, where the extended information is used to indicate an extension of the base station to the base station DTX activation time.
- the UE DTX adjusting unit 802 is configured to adjust, according to the extended information, a UE DTX activation time, where the UE DTX activation time is a base station DTX activation time learned by the UE;
- the UE activation time determining unit 803 is configured to use the overlap time of the UE DTX activation time and the discontinuous reception DRX activation time of the UE as the UE activation time to monitor the physical downlink control channel PDCCH channel.
- the extended information includes an activation time extension time and an activation time extension duration;
- the UE DTX adjusting unit is specifically configured to: extend the UE DTX activation time from the activation time extension time, and the extension length is the activation time extension duration.
- the activation time extension time is received by the UE or pre-configured in the UE, and the activation time extension duration is received by the UE or pre-configured in the UE.
- the UE DTX adjustment unit is specifically configured to:
- the UE DTX activation time is extended from the activation time extension time, and the extension length is the activation time extension duration.
- the extended information further includes an activation time extension direction
- the UE DTX adjustment unit is specifically configured to:
- the UE DTX activation time is extended in the activation time extension direction from the activation time extension time, and the extension length is the activation time extension duration.
- the extended information includes an interval duration
- the UE DTX adjustment unit is specifically configured to:
- the UE After the current UE DTX activation time ends, the UE is allowed to wait for the interval duration to re-enter the next UE DTX activation time.
- the extended information acquiring unit includes:
- a MAC receiving subunit configured to acquire the extended information or the extended indicator by receiving a medium access control MAC control element; or include:
- an RRC receiving subunit configured to acquire the extended information or the extended indicator by receiving a radio resource control RRC message; or include:
- a PDCCH receiving subunit configured to acquire the extended information or the extended indicator by receiving a physical downlink control channel PDCCH command.
- the PDCCH receiving subunit includes:
- a configuration information receiving subunit configured to receive configuration information, where the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-NTI for detecting a PDCCH command;
- the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-NTI for detecting a PDCCH command;
- a detecting subunit configured to detect, according to the DTX-RNTI, a specified PDCCH command, where the specified PDCCH command includes the extended information or the extended indicator.
- the device further includes:
- an extension request sending unit configured to determine whether the specified trigger condition is met when the base station is in a DTX sleep state, and if yes, send a wake-up message to the base station to request the base station to extend the DTX activation time.
- the specified triggering condition includes:
- Upstream buffer status report UL BSR exceeds the specified threshold, or,
- the service that the UE currently has a new high quality of service QoS requirement needs to be initiated, or the current service of the UE cannot be delayed until the next base station DTX activation time.
- the wake-up message includes:
- the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
- the device embodiments described above are merely illustrative, and the components shown may or may not be physical units, i.e., may be located in one place, or may be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
- the embodiment of the present invention obtains the base station DTX.
- the method of activating the extended information of the time may enable the UE to learn the latest DTX situation according to the change of the DTX on the base station side, and then determine the correct UE activation time in combination with the UE DX, and finally ensure the QoS of the UE.
- FIG. 9 is a schematic diagram of an apparatus according to an eighth embodiment of the present invention.
- the apparatus is provided with a device 900 for determining a UE activation time, and the apparatus 900 includes:
- a single period acquiring unit 901 configured to acquire a single discontinuous transmission DTX period of the base station, where the single DTX period of the base station includes a base station DTX activation time and a base station DTX sleep time in the current period, and a UE activation time determining unit 902, the base station DTX Activation time and UE discontinuous reception
- the overlap time of the D X activation time is used as the UE activation time to listen to the physical downlink control channel PDCCH channel;
- the control unit 903 is configured to trigger the single periodic acquisition unit to acquire the next DTX period of the base station when the specified time is reached or when the specified time period is reached.
- the single cycle acquisition unit includes:
- a MAC receiving subunit configured to acquire a single DTX period of the base station by receiving a medium access control MAC control element; or include:
- An RRC receiving subunit configured to acquire a single DTX period of the base station by receiving a radio resource control RRC message; or include:
- a PDCCH receiving subunit configured to acquire a single base station by receiving a PDCCH command
- the PDCCH receiving subunit when the PDCCH receiving subunit is included, the PDCCH receiving subunit includes:
- a configuration information receiving subunit configured to receive configuration information, where the configuration information includes a discontinuous transmission-radio network temporary identifier DTX-RNTI configured for the UE to detect a PDCCH order, or a configuration information storage subunit, Storing a preset DTX-NTI for detecting a PDCCH command;
- a detecting subunit configured to detect, according to the DTX-RNTI, a specified PDCCH command, where the specified PDCCH command includes the single DTX period of the base station.
- the device embodiments described above are merely illustrative, and the components shown may or may not be physical units, ie may be located in one place, or may be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
- this embodiment can obtain the extension of the base station by acquiring the DTX period of the base station, that is, knowing the latest DTX situation of the DTX, and then combining the UE DRX. The correct UE activation time is determined, and finally the QoS of the UE is ensured.
- FIG. 10 is a schematic diagram of a device according to Embodiment 9 of the present invention.
- the present embodiment provides a device 1000 for determining a UE activation time, and the device 1000 includes:
- the extension determining unit 1001 is configured to determine whether the base station extends the DTX activation time of the discontinuous transmission of the base station, and if yes, triggers the extended information sending unit;
- the extension information sending unit 1002 is configured to send, to the user equipment UE, extended information of a base station DTX activation time, so that the UE adjusts a UE DTX activation time according to the extended information, and the UE DTX activation time is not discontinuous with the UE.
- the overlap time of the DRX activation time is received as the UE activation time to monitor the physical downlink control channel PDCCH channel, where the UE DTX activation time is the base station DTX activation time learned by the UE.
- the extended information includes one or more of an activation time extension time, an activation time extension duration, an activation time extension direction, and an interval duration.
- the extended information sending unit includes:
- a MAC sending subunit configured to send a media access control MAC control to the user equipment UE
- the method of transmitting the element transmits the extended information of the base station DTX activation time; or includes:
- an RRC sending subunit configured to send extended information of a base station DTX activation time by sending a radio resource control RRC message to the user equipment UE; or include:
- a PDCCH sending subunit configured to send extended information of the base station DTX activation time by sending a physical downlink control channel PDCCH command to the user equipment UE.
- the device further includes:
- an extension triggering unit configured to receive a wakeup message sent by the UE when the base station is in a DTX sleep state, and expand the base station DTX activation time according to the wakeup message.
- the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
- the device embodiments described above are merely illustrative, and the components shown may or may not be physical units, i.e., may be located in one place, or may be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
- the embodiment of the present invention can obtain the latest DTX situation according to the change of the base station side DTX by transmitting the extended information of the base station DTX activation time, and can further combine the UE.
- the DX determines the correct UE activation time and ultimately ensures the QoS of the UE.
- the embodiment corresponds to the sixth embodiment, and provides a device for determining a UE activation time, where the device includes:
- a DTX periodic sending unit configured to send, to the user equipment UE, each discontinuous transmission DTX period of the base station, where the DTX period includes a base station DTX activation time and a base station DTX sleep time in the current period, so that the UE sends the base station
- the overlap time of the DTX activation time and the UE discontinuous reception of the DRX activation time is used as the UE activation time to listen to the physical downlink control channel PDCCH channel.
- the DTX periodic sending unit includes:
- a MAC sending subunit configured to send each DTX period of the base station by sending a media access control MAC control element to the user equipment UE; or include:
- an RRC sending subunit configured to send each DTX period of the base station by sending a radio resource control RRC message to the user equipment UE; or include:
- a PDCCH sending subunit configured to send each DTX period of the base station by sending a physical downlink control channel PDCCH order to the user equipment UE.
- PDCCH order to the user equipment UE.
- the device embodiments described above are merely illustrative, and the components shown may or may not be physical units, i.e., may be located in one place, or may be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
- the UE When the base station expands its original DTX, in this embodiment, by transmitting the DTX period of the base station, the UE can learn the extension made by the base station, that is, learn the latest DTX situation of the DTX, and thus can combine the UE DRX. The correct UE activation time is determined, and finally the QoS of the UE is ensured.
- This embodiment corresponds to the first embodiment, and discloses a user equipment UE, where the UE includes a radio frequency module, a processor, a memory, and a communication bus;
- the radio frequency module is configured to receive extended information that the base station does not continuously send the DTX activation time, where the extended information is used to indicate an extension of the base station to the base station DTX activation time.
- the processor is configured to execute a program stored in the memory, where the program includes: adjusting, according to the extended information, a stored UE DTX activation time, where the UE DTX activation time is a base station learned by the UE DTX activation time; the overlap time of the UE DTX activation time and the UE discontinuous reception DRX activation time as the UE activation time to the physical downlink control channel
- the PDCCH channel is monitored;
- the memory is configured to store the program, the UE DTX activation time, and the DRX activation time;
- the communication bus is configured to connect the radio frequency module, the processor, and the memory.
- the UE can learn the latest DTX condition according to the change of the base station side DTX, and can combine the UE DX. Determine the correct UE activation time, and finally ensure the UE's QoS
- the embodiment corresponds to the fifth embodiment, and provides a base station, where the base station includes a processor, a radio frequency module, and a communication bus;
- the processor is configured to determine whether the base station extends the DTX activation time of the discontinuous transmission of the base station, and if yes, the radio frequency module sends the extension information of the base station DTX activation time to the user equipment UE, so that the UE is configured according to the UE
- the extension information adjusts a UE DTX activation time and uses an overlap time of the UE DTX activation time and a UE discontinuous reception DRX activation time as a UE activation time to listen to a physical downlink control channel PDCCH channel, where the UE
- the DTX activation time is a base station DTX activation time learned by the UE;
- the radio frequency module is configured to send extended information of a base station DTX activation time to the user equipment UE, where the communication bus is used to connect the processor and the radio frequency module.
- the UE can learn the latest DTX condition according to the change of the base station side DTX, and can combine the UE DX. Determine the correct UE activation time, and finally ensure UE QoS
- the invention may be described in the general context of computer-executable instructions executed by a computer, such as a program module.
- program modules include routines, programs, objects, components, data structures, and the like that perform particular tasks or implement particular abstract data types.
- the invention may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are connected through a communication network.
- program modules can be located in both local and remote computer storage media including storage devices.
- Storage media such as: ROM, RAM, disk, CD, etc.
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Abstract
本发明实施例公开了一种确定UE激活时间的方法及装置,所述方法包括:获取基站DTX激活时间的扩展信息,所述扩展信息用于指示基站对基站DTX 激活时间所做的扩展;根据所述扩展信息对UE DTX激活时间进行调整,并将所述UE DTX激活时间与UE DRX激活时间的交叠时间作为UE激活时间以对PDCCH信道进行监听,其中所述UE DTX激活时间为所述UE获知的基站DTX激活时间。在基站出于照顾UE QoS等目的对其原有DTX进行了变动时,本发明通过获取基站DTX激活时间的扩展信息等方式,可使UE根据基站侧DTX的变化而获知最新的DTX情况,进而能够结合UE DRX确定出正确的UE激活时间,最终确保UE的QoS。
Description
一种确定 UE激活时间的方法^置 本申请要求于 2013 年 06 月 9 日提交中国专利局、 申请号为 201310231148.1、 发明名称为 "一种确定 UE激活时间的方法及装置" 的中国 专利申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域
本发明实施例涉及不连续发送(DTX: Discontinuous Transmission )及不 连续接收(DRX: Discontinuous Reception )技术领域, 尤其是涉及一种确定
UE激活时间的方法及装置。 背景技术
在当前, 降低功耗、 节约能源成为大势所趋。 一方面, 对基站来讲, 在传 统的 2G、 3G网络中, 一般使用较低频段的载波为用户提供服务, 随着智能手 机的普及, 用户对无线传输速率提出了更高的要求, 为了满足用户的需求, 需 要逐步使用资源丰富的高频段载波来提供服务, 由于高频段载波覆盖范围小, 所以一般把这种使用高频段载波的基站称为小型基站,小型基站覆盖的范围称 之为小小区 (Small Cell )。 为了节电, 3GPP 建议引入不连续发送(DTX: Discontinuous Transmission )机制, 希望通过小小区不连续发送物理下行控制 信道( PDCCH: Physical Downlink Control Channel )的方式来降低小小区的功 耗。
另一方面, 对用户设备( UE: User Equipment )来讲, 因为通常基站都是 进行连续的 PDCCH发射, 为了降低 UE的功耗, 在现有的长期演进( LTE: Long Term Evolution ) 中引入了不连续接收 ( DRX: Discontinuous Reception ) 机制, 通过 UE不连续监听 PDCCH信道的方式来降低 UE的功耗。
当具有 DRX机制的 UE处于具有 DTX机制的小小区中时,换句话说, 当 这两种都以 "不连续" 为特点的机制并存时, 为了适应 DTX, UE此时就不应 只按 UE D X来确定 UE激活时间 (即 UE进行 PDCCH检测的激活时间), 而是应该取 UE D X的激活时间与获知的基站 DTX (即 UE DTX ) 的激活时
间的交叠时间作为 UE真正应该工作的时间即 UE激活时间,可参见图 1所示。 在图 1中, 高电平表示对应的基站 /UE处于 DTX/DRX激活时间, 低电平则表 示处于 DTX/DRX睡眠时间, UE1和 UE2高电平的交叠区域即图中的实线部 分是 UE应该工作的时间。
然而在实际中, 这两种不连续机制的并存可能会带来问题。从图 1中可以 发现存在 UE1进入 D X激活时间没多久而基站就已进入 DTX睡眠时间等现 象, 这就导致 UE 工作时间可能会变得很短, 从而影响到了 UE 的服务质量 ( QoS: Quality of Service )。 发明内容
有鉴于此,本发明实施例的目的是提供一种确定 UE激活时间的方法及装 置, 以使 UE可以获知基站 DTX的变动从而可以确定出正确的 UE激活时间。 本发明实施例提供了一种确定 UE激活时间的方法, 所述方法包括: 获取基站不连续发送 DTX激活时间的扩展信息, 所述扩展信息用于指示 基站对基站 DTX激活时间所做的扩展;
根据所述扩展信息对 UE DTX激活时间进行调整, 并将所述 UE DTX激 活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活时间以对物 理下行控制信道 PDCCH信道进行监听, 其中所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间。
优选的: 所述扩展信息包括激活时间扩展时刻和激活时间扩展时长;
所述根据所述扩展信息对 UE DTX激活时间进行调整, 包括:
从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为 所述激活时间扩展时长。
优选的, 所述激活时间扩展时刻为所述 UE接收到的或预先配置在所述
UE中的, 所述激活时间扩展时长为所述 UE接收到的或预先配置在所述 UE 中的。
优选的,当所述激活时间扩展时刻和所述激活时间扩展时长均为预先配置 在所述 UE中时,所述根据所述扩展信息对 UE DTX激活时间进行调整,包括: 根据所述 UE接收到的扩展指示符, 从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的:
所述扩展信息还包括激活时间扩展方向;
所述从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长 度为所述激活时间扩展时长, 包括:
从所述激活时间扩展时刻起沿所述激活时间扩展方向对 UE DTX激活时 间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的:
所述扩展信息包括间隔时长;
所述根据所述扩展信息对 UE DTX激活时间进行调整, 包括:
在当前 UE DTX激活时间结束后,所述 UE间隔所述间隔时长再进入下一 UE DTX激活时间。
优选的, 当所述 UE通过接收的方式获取所述扩展信息或所述扩展指示符 时, 所述接收的方式包括:
通过接收媒体接入控制 MAC控制元的方式接收, 或者,
通过接收无线资源控制 RRC消息的方式接收, 或者,
通过接收物理下行控制信道 PDCCH命令的方式接收。
优选的, 所述通过接收 PDCCH命令的方式接收, 包括:
接收配置信息, 所述配置信息包含为所述 UE配置的用于检测 PDCCH命 令的不连续发送 -无线网络临时标识 DTX-RNTI, 或者, 在所述 UE 中预置用 于检测 PDCCH命令的 DTX-RNTI;
根据所述 DTX-RNTI检测出指定 PDCCH命令,所述指定 PDCCH命令中 包含所述扩展信息或所述扩展指示符。
优选的, 在所述获取基站 DTX激活时间的扩展信息之前, 还包括: 当所述基站处于 DTX睡眠状态时, 判断是否满足指定触发条件; 若满足, 则向所述基站发送唤醒消息, 以请求所述基站扩展 DTX激活时 间。
优选的, 所述指定触发条件包括:
上行緩存状态报告 UL BSR超出指定门限值, 或者,
所述 UE当前有新的高服务质量 QoS要求的业务需要发起, 或者, 所述 UE当前业务不能延迟到下一个基站 DTX激活时间。
优选的, 所述唤醒消息包括:
在物理上行控制信道 PUCCH上发送的调度请求 SR信号, 或者, 在物理随机接入信道 PRACH上发送的导频 preamble信号。
本发明实施例还提供了一种确定 UE激活时间的方法, 所述方法包括:
1 )获取基站单个不连续发送 DTX周期, 所述基站单个 DTX周期包括本 周期内的基站 DTX激活时间和基站 DTX睡眠时间;
2 )将所述基站 DTX激活时间与 UE不连续接收 DRX激活时间的交叠时 间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行监听;
3 ) 当到达指定时刻或处于指定时间段内时继续执行步骤 1 ) 以获取所述 基站下一个 DTX周期。
优选的, 所述获取基站单个 DTX周期, 包括:
通过接收媒体接入控制 MAC控制元的方式获取基站单个 DTX周期; 或 者,
通过接收无线资源控制 RRC消息的方式获取基站单个 DTX周期; 或者, 通过接收 PDCCH命令的方式获取基站单个 DTX周期。
优选的, 所述通过接收物理下行控制信道 PDCCH命令的方式获取基站单 个 DTX周期, 包括:
接收指定配置信息,所述配置信息包含为所述 UE配置的用于检测 PDCCH 命令的 DTX-RNTI , 或者, 在所述 UE 中预置用于检测 PDCCH 命令的 DTX- NTI;
根据所述 DTX-RNTI检测出指定 PDCCH命令,所述指定 PDCCH命令中 包含所述基站单个 DTX周期。
本发明实施例还提供了一种确定 UE激活时间的方法, 所述方法包括: 当基站对基站不连续发送 DTX激活时间进行了扩展时, 向用户设备 UE 发送基站 DTX激活时间的扩展信息, 以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并将所述 UE DTX激活时间与 UE不连续接收 DRX激 活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行 监听, 其中所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间。
优选的, 所述扩展信息包括激活时间扩展时刻、 激活时间扩展时长、 激活 时间扩展方向、 间隔时长中的一种或多种。
优选的, 所述向用户设备 UE发送基站 DTX激活时间的扩展信息, 包括: 通过向用户设备 UE发送媒体接入控制 MAC控制元的方式发送基站 DTX 激活时间的扩展信息; 或者,
通过向用户设备 UE发送无线资源控制 RRC消息的方式发送基站 DTX激 活时间的扩展信息; 或者,
通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送基站 DTX激活时间的扩展信息。
优选的, 还包括:
当所述基站处于 DTX睡眠状态时, 接收 UE发送的唤醒消息;
根据所述唤醒消息对所述基站 DTX激活时间进行扩展。
优选的, 所述方法还包括:
所述基站作为小基站 S-eNB, 向宏基站 M-eNB发送为所述 S-eNB配置
DTX的请求;
所述 M-eNB在接收到所述请求后, 向所述 S-eNB发送 DTX配置信息,
以为所述 S-eNB配置 DTX。
优选的, 所述请求包括: 建议的 DTX激活时长和睡眠时长的比例关系信 息。
优选的, 所述 DTX配置信息包括: 所述 S-eNB的 DTX周期内的激活时 长、 睡眠时长以及用于确定 DTX激活时长起始时刻的参数值。
优选的, 所述方法还包括:
所述基站作为小基站 S-eNB, 将为 UE 配置的 DTX参数发送至宏基站 M-eNB;
M-eNB根据所述为 UE配置的 DTX参数为 UE配置 DRX参数。
优选的, 所述将小基站 S-eNB 为 UE 配置的 DTX 参数发送至宏基站
M-eNB, 包括:
S-eNB在获知 UE需要同时在 S-eNB和 M-eNB下工作时, 将自己为 UE 配置的 DTX参数发送至 M-eNB; 或者,
S-eNB 根据 M-eNB 的请求将 S-eNB 为 UE 配置的 DTX 参数发送至 M-eNB; 或者,
UE在需要在 S-eNB和 M-eNB下同时工作时,将 S-eNB为 UE配置的 DTX 参数发送至 M-eNB。
本发明实施例还提供了一种确定 UE激活时间的方法, 所述方法包括: 向用户设备 UE发送基站的每个不连续发送 DTX周期,所述 DTX周期包 括本周期内的基站 DTX激活时间和基站 DTX睡眠时间,以使所述 UE将所述 基站 DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活 时间以对物理下行控制信道 PDCCH信道进行监听。
优选的, 所述向用户设备 UE发送所述基站的每个 DTX周期, 包括: 通过向用户设备 UE发送媒体接入控制 MAC控制元的方式发送所述基站 的每个 DTX周期; 或者,
通过向用户设备 UE发送无线资源控制 RRC消息的方式发送所述基站的 每个 DTX周期; 或者,
通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送所述 基站的每个 DTX周期。
优选的, 所述方法还包括:
所述基站作为小基站 S-eNB, 向宏基站 M-eNB发送为所述 S-eNB配置 DTX的请求;
所述 M-eNB在接收到所述请求后, 向所述 S-eNB发送 DTX配置信息, 以为所述 S-eNB配置 DTX。
优选的, 所述请求包括: 建议的 DTX激活时长和睡眠时长的比例关系信 息。
优选的, 所述 DTX配置信息包括: 所述 S-eNB的 DTX周期内的激活时 长、 睡眠时长以及用于确定 DTX激活时长起始时刻的参数值。
优选的, 所述方法还包括:
所述基站作为小基站 S-eNB, 将为 UE 配置的 DTX参数发送至宏基站 M-eNB;
M-eNB根据所述为 UE配置的 DTX参数为 UE配置 DRX参数。
优选的, 所述将小基站 S-eNB 为 UE 配置的 DTX 参数发送至宏基站 M-eNB, 包括:
S-eNB在获知 UE需要同时在 S-eNB和 M-eNB下工作时, 将自己为 UE 配置的 DTX参数发送至 M-eNB; 或者,
S-eNB 根据 M-eNB 的请求将 S-eNB 为 UE 配置的 DTX 参数发送至
M-eNB; 或者,
UE在需要在 S-eNB和 M-eNB下同时工作时,将 S-eNB为 UE配置的 DTX 参数发送至 M-eNB。
本发明实施例还提供了一种确定 UE激活时间的装置, 所述装置包括: 扩展信息获取单元,用于获取基站不连续发送 DTX激活时间的扩展信息, 所述扩展信息用于指示基站对基站 DTX激活时间所做的扩展;
UE DTX调整单元, 用于根据所述扩展信息对 UE DTX激活时间进行调 整, 所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间;
UE激活时间确定单元, 用于将所述 UE DTX激活时间与 UE不连续接收 D X激活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信 道进行监听。
优选的:
所述扩展信息包括激活时间扩展时刻和激活时间扩展时长;
所述 UE DTX调整单元具体用于:从所述激活时间扩展时刻起对 UE DTX 激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的, 所述激活时间扩展时刻为所述 UE接收到的或预先配置在所述 UE中的, 所述激活时间扩展时长为所述 UE接收到的或预先配置在所述 UE 中的。
优选的,当所述激活时间扩展时刻和所述激活时间扩展时长均为预先配置 在所述 UE中时, 所述 UE DTX调整单元具体用于:
根据所述 UE接收到的扩展指示符, 从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的:
所述扩展信息还包括激活时间扩展方向;
所述 UE DTX调整单元具体用于:
从所述激活时间扩展时刻起沿所述激活时间扩展方向对 UE DTX激活时 间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的:
所述扩展信息包括间隔时长;
所述 UE DTX调整单元具体用于:
在当前 UE DTX激活时间结束后,令所述 UE间隔所述间隔时长再进入下 一 UE DTX激活时间。
优选的, 所述扩展信息获取单元包括:
MAC接收子单元, 用于通过接收媒体接入控制 MAC控制元的方式获取 所述扩展信息或所述扩展指示符; 或者包括:
RRC接收子单元, 用于通过接收无线资源控制 RRC消息的方式获取所述 扩展信息或所述扩展指示符; 或者包括:
PDCCH接收子单元, 用于通过接收物理下行控制信道 PDCCH命令的方 式获取所述扩展信息或所述扩展指示符。
优选的, 当包括所述 PDCCH接收子单元时, 所述 PDCCH接收子单元包 括:
配置信息接收子单元, 用于接收配置信息, 所述配置信息包含为所述 UE 配置的用于检测 PDCCH命令的不连续发送-无线网络临时标识 DTX-RNTI, 或者, 配置信息存储子单元, 用于存储预置的用于检测 PDCCH 命令的 DTX- NTI;
检测子单元,用于根据所述 DTX-RNTI检测出指定 PDCCH命令, 所述指 定 PDCCH命令中包含所述扩展信息或所述扩展指示符。
优选的, 所述装置还包括:
扩展请求发送单元, 用于当所述基站处于 DTX睡眠状态时, 判断是否满 足指定触发条件, 若满足, 则向所述基站发送唤醒消息, 以请求所述基站扩展 DTX激活时间。 优选的, 所述指定触发条件包括:
上行緩存状态报告 UL BSR超出指定门限值, 或者,
所述 UE当前有新的高服务质量 QoS要求的业务需要发起, 或者, 所述 UE当前业务不能延迟到下一个基站 DTX激活时间。
优选的, 所述唤醒消息包括:
在物理上行控制信道 PUCCH上发送的调度请求 SR信号, 或者, 在物理随机接入信道 PRACH上发送的导频 preamble信号。
本发明实施例还提供了一种确定 UE激活时间的装置, 所述装置包括: 单个周期获取单元, 用于获取基站单个不连续发送 DTX周期, 所述基站 单个 DTX周期包括本周期内的基站 DTX激活时间和基站 DTX睡眠时间;
UE激活时间确定单元,将所述基站 DTX激活时间与 UE不连续接收 DRX 激活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进 行监听;
控制单元,用于在到达指定时刻或处于指定时间段时触发所述单个周期获 取单元以获取所述基站下一个 DTX周期。 优选的, 所述单个周期获取单元包括:
MAC接收子单元, 用于通过接收媒体接入控制 MAC控制元的方式获取 基站单个 DTX周期; 或者包括:
RRC接收子单元, 用于通过接收无线资源控制 RRC消息的方式获取基站 单个 DTX周期; 或者包括:
PDCCH接收子单元, 用于通过接收 PDCCH命令的方式获取基站单个 DTX周期。
优选的, 当包括所述 PDCCH接收子单元时, 所述 PDCCH接收子单元包 括:
配置信息接收子单元, 用于接收配置信息, 所述配置信息包含为所述 UE 配置的用于检测 PDCCH命令的不连续发送-无线网络临时标识 DTX-RNTI, 或者, 配置信息存储子单元, 用于存储预置的用于检测 PDCCH 命令的 DTX-RNTI;
检测子单元,用于根据所述 DTX-RNTI检测出指定 PDCCH命令, 所述指 定 PDCCH命令中包含所述基站单个 DTX周期。 本发明实施例还提供了一种确定 UE激活时间的装置, 所述装置包括: 扩展判断单元, 用于判断基站是否对基站不连续发送 DTX激活时间进行 了扩展, 若是则触发扩展信息发送单元;
扩展信息发送单元, 用于向用户设备 UE发送基站 DTX激活时间的扩展
信息,以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并将所述 UE DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活 时间以对物理下行控制信道 PDCCH信道进行监听,其中所述 UE DTX激活时 间为所述 UE获知的基站 DTX激活时间。
优选的, 所述扩展信息包括激活时间扩展时刻、 激活时间扩展时长、 激活 时间扩展方向、 间隔时长中的一种或多种。
优选的, 所述扩展信息发送单元包括:
MAC发送子单元, 用于通过向用户设备 UE发送媒体接入控制 MAC控 制元的方式发送基站 DTX激活时间的扩展信息; 或者包括:
RRC发送子单元, 用于通过向用户设备 UE发送无线资源控制 RRC消息 的方式发送基站 DTX激活时间的扩展信息; 或者包括:
PDCCH发送子单元, 用于通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送基站 DTX激活时间的扩展信息。
优选的, 所述装置还包括:
扩展触发单元, 用于在所述基站处于 DTX睡眠状态时接收 UE发送的唤 醒消息, 并根据所述唤醒消息对所述基站 DTX激活时间进行扩展。
本发明实施例提供了一种确定 UE激活时间的装置, 所述装置包括:
DTX周期发送单元,用于向用户设备 UE发送基站的每个不连续发送 DTX 周期, 所述 DTX周期包括本周期内的基站 DTX激活时间和基站 DTX睡眠时 间,以使所述 UE将所述基站 DTX激活时间与 UE不连续接收 DRX激活时间 的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行监听。
优选的, 所述 DTX周期发送单元包括:
MAC发送子单元, 用于通过向用户设备 UE发送媒体接入控制 MAC控 制元的方式发送所述基站的每个 DTX周期; 或者包括:
RRC发送子单元, 用于通过向用户设备 UE发送无线资源控制 RRC消息 的方式发送所述基站的每个 DTX周期; 或者包括:
PDCCH发送子单元, 用于通过向用户设备 UE发送物理下行控制信道
PDCCH命令的方式发送所述基站的每个 DTX周期。 在基站对其原有 DTX进行了变动时, 本发明实施例通过获取基站 DTX 激活时间的扩展信息等方式, 可以使 UE根据基站侧 DTX所发生的变化而获 知最新的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最 终确保 UE的 QoS。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施 例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地, 下面描述 中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付 出创造性劳动的前提下, 还可以根据这些附图获得其他的附图。
图 1是说明 DTX与 DRX交叠示意图;
图 2是说明 DRX运行示意图;
图 3是说明 DTX激活时间扩展示意图;
图 4是说明本发明实施例一方法的流程图;
图 5是说明本发明实施例二信令示意图;
图 6是说明本发明实施例三方法的示意图;
图 7是说明本发明实施例四信令示意图;
图 8是说明本发明实施例七装置的示意图;
图 9是说明本发明实施例八装置的示意图;
图 10是说明本发明实施例九装置的示意图;
图 11是说明本发明实施例十一 UE的示意图;
图 12是说明本发明实施例十二基站的示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清
楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是 全部的实施例。基于本发明中的实施例, 本领域普通技术人员在没有作出创造 性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。
为了全面理解本发明,在以下详细描述中提到了众多具体的细节,但是本 领域技术人员应该理解, 本发明可以无需这些具体细节而实现。在其他实施例 中, 不详细描述公知的方法、 过程、 组件和电路, 以免不必要地导致实施例模 糊。
实施例一
下面先接着简要描述一下 DTX和 DRX这两种机制。
图 2为 UE上的 DRX运行示意图, 图中高电平为 DRX激活时间, 即 UE 在监听 PDCCH信道(图 2中并不考虑 DTX, 故 UE激活时间等于 DRX激活 时间), 低电平则为 DRX睡眠状态。 具体的, 在一个 DRX周期的起始阶段, UE首先要启动一个 onDurationTimer持续时间定时器, 在该定时器时间之内, UE需监听 PDCCH信道以获取调度信息。如果在 onDurationTimer定时器时间 之内 UE没有收到调度信息, 则 UE进入睡眠状态, 停止监听 PDCCH信道, 以节省电量。 当以上过程周而复始时, 便形成了图 2中第一行的运行图。 如果 在 onDurationTimer时间内 UE接收到了调度信息, 则每次接收到调度信息时, UE都需要启动另一个定时器, 即 inActivityTimer即 DRX激活态定时器。 在 DRX激活态定时器时间之内, UE始终保持监听 PDCCH信道的激活状态, 参 见图 2中第二行运行图。 之后, 如果 DRX激活态定时器终止, 或 UE接收到 指示 UE进入睡眠状态的 DRX MAC控制元, 则 UE可以进入睡眠状态。
图 3为 DTX激活时间扩展示意图, 图中高电平为 DTX激活时间,低电平 为 DTX睡眠时间。 在本发明中, DTX激活时间 ( DTX-active-time ) 即 DTX 激活状态所持续的时长,是 UE认为 eNB会在 PDCCH信道发送调度信息的时 间; DTX睡眠时间即 DTX睡眠状态所持续的时长, 是 UE认为 eNB不会在 PDCCH信道发送调度信息的时间。通常 UE获知了单个 DTX周期中的激活时 长、 睡眠时长及激活起始时刻后, 便可基本获知 DTX的运行情况。 对于所述
激活起始时刻, 具体实施时可以通过接收到的 DTX起始偏移量来算得, 参见 下式:
[(SFN X 10) +子帧号] Mod (DTX 周期长度) = (DTX起始偏移量) mod (DTX周期长度); 或者,
[(SFN X 10) +子帧号] Mod (DTX周期长度) = (DTX起始偏移量)。
上式中一个无线帧包括 10个子帧, DTX周期长度即激活时长 +睡眠时长。 满足上式的子帧即为 eNB开始进入 DTX激活状态的起始子帧。
图 4为本发明实施例一方法的流程图。本实施例公开了一种调整不连续发 送 DTX运行周期的方法, 可以用于用户设备 UE, 所述方法包括:
S401、 获取基站 DTX激活时间的扩展信息, 所述扩展信息用于指示基站 对基站 DTX激活时间所做的扩展。 所述扩展信息只要是能够指示基站对基站 DTX 激活时间所做的扩展即可, 其具体内容本实施例不做限制。 同时所述扩 展信息的获取方式也可以有多种, 例如完全从基站接收, 或者部分从基站接收 部分使用 UE预置, 本实施例也不做限制。
S402、 根据所述扩展信息对 UE DTX激活时间进行调整, 并将所述 UE
DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活时间 以对物理下行控制信道 PDCCH信道进行监听,其中所述 UE DTX激活时间为 所述 UE获知的基站 DTX激活时间。 在本发明中, UE激活时间即 UE真正应 该工作的时间, 也即 UE需要监听 PDCCH信道的时间。 即应该取 DTX激活 时间与 DRX激活时间的交叠时间作为 UE激活时间。 此外还需要注意的是, DTX是基站侧才有的, 而 UE为了计算 UE激活时间也会去获取基站的 DTX, 为了区分基站本身的 DTX和 UE获知的基站 DTX这两种 DTX, 在本发明分 别使用了基站 DTX和 UE DTX两种称谓。 进一步的, 当基站出于保证 UE当 前业务的 QoS或其他的原因而改变基站 DTX激活时间时, 则当前 UE保存的 UE DTX信息就不正确了, 因此, UE需要及时获知到基站 DTX的变化从而得 到正确的 UE DTX, 进而确定出正确的 UE激活时间。
在本实施例或本发明其他实施例中,优选的所述扩展信息可以包括激活时 间扩展时刻 (即激活时间扩展时的起点)、 激活时间扩展时长、 激活时间扩展
方向、 间隔时长等这些可以描述如何进行了扩展的参数中的一种或多种的组 合。 同时这些参数获取的方式也并不固定, 可以完全由基站发送给 UE, 也可 以部分由基站发送、 部分预先配置在 UE中, 甚至可以都预置在 UE中, 对此 本发明并不仅限限制。 为了使本实施例更清楚, 下面示意性的举几个例子: 例如:
所述扩展信息可以包括激活时间扩展时刻和激活时间扩展时长; 相应的, 根据所述扩展信息对 UE DTX激活时间进行调整, 可以包括: 从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为 所述激活时间扩展时长。 在上述这种情况下, 基站对其本身 DTX所做的扩展 为: 在激活时间扩展时刻 (例如就是当前时刻)令 DTX进入了长度为所述激 活时间扩展时长的激活状态, 而 UE获知了这两个参数后便可以进行同样的调 整, 使 UE已获知的基站 DTX与基站本身的 DTX保持一致。
正如上文所提及, 这些参数的获取方式也并不固定, 可以完全由基站发送 给 UE, 也可以部分由基站发送、 部分预先配置在 UE中, 甚至可以都预置在 UE中, 所以优选的:
所述激活时间扩展时刻为所述 UE接收到的或预先配置在所述 UE中的, 所述激活时间扩展时长为所述 UE接收到的或预先配置在所述 UE中的。
特别的, 当这些参数都预置在 UE中时, 相当于基站与 UE对需要扩展时 的扩展时刻、扩展时长都有了约定, 所以此时可以令基站发送一个或在其他消 息中携带一个触发指令如扩展指示符, UE即可做到与基站进行同样的扩展, 也就是说:
当所述激活时间扩展时刻和所述激活时间扩展时长均为预先配置在所述 UE中时, 所述根据所述扩展信息对 UE DTX激活时间进行调整, 包括:
根据所述 UE接收到的扩展指示符, 从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
进行扩展时, 可以认为默认的扩展方向是沿时间轴向后扩展(参见图 2 中向右的箭头), 而某些时候扩展方向也可以是反向的 (参见图 2中向左的箭
头)。 所以在本实施例或本发明其他某些实施例中, 可以将激活时间扩展方向 也作为一个参数加进来, 与上述扩展时刻、 扩展时长组合在一起, 即: 所述扩 展信息还包括激活时间扩展方向;
所述从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长 度为所述激活时间扩展时长, 包括:
从所述激活时间扩展时刻起沿所述激活时间扩展方向对 UE DTX激活时 间进行扩展,扩展长度为所述激活时间扩展时长。 所述扩展方向的获取方式也 同样可以由基站发送给 UE的或预置在 UE中。
除了对 DTX激活时间进行扩展外, 同样也可以对激活时间之间的间隔时 长即睡眠时间进行类似的扩展, 所以
又例如: 所述扩展信息包括间隔时长;
相应的, 所述根据所述扩展信息对 UE DTX激活时间进行调整, 包括: 在当前 UE DTX激活时间结束后,所述 UE间隔所述间隔时长再进入下一 UE DTX激活时间。
此外, 在上文中, 当涉及到需要基站向 UE发送上述参数或指令时, 即 UE需要通过接收而不是预置的方式获取扩展指示符或扩展信息时, 承载这些 参数或指令的信令可以是多种多样的, 可以是专用信令, 也可以是利用已有信 令, 对此本发明并不进行限制。 在本实施例或本发明其他某些实施例中, 优选 的: 当所述 UE通过接收的方式获取所述扩展信息或所述扩展指示符时, 所述 接收包括:
通过接收媒体接入控制 MAC控制元的方式接收, 或者,
通过接收无线资源控制 RRC消息的方式接收, 或者,
通过接收物理下行控制信道 PDCCH命令的方式接收。 即基站将所述扩展 信息或所述扩展指示符置于 MAC CE、RRC消息或 PDCCH命令中发送给 UE。 其中, MAC: Medium Access Control, 媒体接入控制; CE: Control Element,
控制元。
进一步优选的, 所述通过接收 PDCCH命令的方式接收, 包括: 接收配置信息, 所述配置信息包含为所述 UE配置的用于检测 PDCCH命 令的不连续发送 -无线网络临时标识 DTX-RNTI, 或者, 在所述 UE 中预置用 于检测 PDCCH命令的 DTX-RNTI; 根据所述 DTX-RNTI检测出指定 PDCCH命令,所述指定 PDCCH命令中 包含所述扩展信息或所述扩展指示符。
在基站所做的本次扩展结束后, UE可以令原先的 UE DTX 即扩展前的 UE DTX继续生效直至收到新的扩展信息, 或者, 按照本次扩展的方式重复执 行下去直至收到新的扩展信息。
此外,在本实施例或本发明其他某些实施例中,还可以包含 UE唤醒基站、 请求基站进行扩展的步骤, 即: 在所述获取基站 DTX激活时间的扩展信息之前, 还包括:
当所述基站处于 DTX睡眠状态时, 判断是否满足指定触发条件; 若满足, 则向所述基站发送唤醒消息, 以请求所述基站扩展 DTX激活时 间。
优选的, 所述指定触发条件包括: 上行緩存状态报告 UL BSR超出指定门限值, 或者,
所述 UE当前有新的高 QoS要求的业务需要发起, 或者,
所述 UE当前业务不能延迟到下一个基站 DTX激活时间。
优选的, 所述唤醒消息包括: 在 PUCCH上发送的调度请求 SR信号, 或者, 在 PRACH上发送的 preamble信号。
具体的, UE基于当前上行緩冲状态的情况, 决定是否在 eNB的 DTX睡 眠时间内, 请求 eNB临时进入 DTX激活时间, 或者主动请求 eNB延长 DTX 的激活时间为其提供服务。 例如, 当 UE检测到自己的 BSR (緩存状态) 已经
超出一定的门限, 或者当 UE检测到需要发起新的 QoS要求较高的业务时, UE可以主动请求唤醒 eNB或者请求 eNB延长 DTX激活时间。 UE基于一定 的预设触发条件, 触发向 eNB发送唤醒信号或者唤醒请求消息。 这里触发条 件可以是: UL BSR超出一定的门限; 或者 UE当前有新的高 QoS要求的业务 需要发起; 或者, UE 当前业务预计不能容忍到下一个 DTX激活时间时。 此 时 UE可以向 eNB发送唤醒信号, 以请求 eNB为其调度资源。 唤醒信号可以 是在 PUCCH上发送 SR信号, 或者在 PRACH上发送 preamble信号等。 eNB 在检测到唤醒信号后, 可以从睡眠状态中退出, 然后在 PDCCH上为 UE调度 一定的资源用于 UE进行上行数据的传输。
在基站对其原有 DTX进行了变动时, 本发明实施例通过获取基站 DTX 激活时间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获 知最新的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最 终确保 UE的 QoS。
实施例二
图 5是本发明实施例二的信令示意图。 本实施例基于实施例一, 是结合具 体场景对实施例一的进一步细化。 本实施例中以 PDCCH命令为例, eNB (也 可以是 S-eNB, 即 Small eNB, 本发明并不做区分)通过发送 PDCCH命令告 知 UE在基站侧对 DTX做了扩展, UE收到并检测出该 PDCCH命令后可结合 一些预置的信息对 UE DTX进行相应调整。 具体的, 本实施例可以包括如下 步骤:
5501、 eNB向 UE发送包含 DTX-RNTI配置信息的信令, 以为 UE配置 DTX- NTL 本步骤相当于前期处理步骤, 该 DTX-RNTI用于让 UE从接收到 的众多 PDCCH中识别出携带 DTX扩展相关信息的 PDCCH命令。
如果所有的 UE使用的 DTX-RNTI相同, 则所述 DTX-RNTI也可以是预 设的值, 或者还可以通过 eNB发送广播消息为 UE配置 DTX-RNTI。
5502、 当 eNB需要扩展 DTX时, 向 UE发送用于携带 DTX扩展相关信 息的 PDCCH命令, 以通知 UE去做扩展。
S503、 UE使用 DTX-RNTI检测 PDCCH信道以判断是否收到了携带 DTX 扩展相关信息的 PDCCH命令, 若收到则进行相应的调整。 具体实施时, 该 PDCCH命令中可以包含下列参数中的一项或多项:
1 )扩展指示符
DTX激活时间扩展指示符相当于一个触发指令, UE收到后将在指定时刻 启动一个预置的 DTX扩展定时器( DTX-extended-timer )。 此处所述指定时刻 是激活时间扩展的起点, 可以就是当前时刻也可以是其他时刻。 在该 DTX扩 展定时器时间段内, UE认为 eNB仍然会继续处于激活状态, 即通过 PDCCH 信道发送调度信息。 本段所述的指定时刻及 DTX扩展定时器的时长可以是预 设的值,也可以是由 eNB通过高层信令为 UE预先配置,例如在上述步骤 S501 中与 DTX-RNTI配置信息一起发送给 UE。
2 ) DTX激活时间扩展时长
此时, 相当于通过 PDCCH命令向 UE告知了 DTX激活时间的具体扩展 时长, 则 UE会从指定时刻开始令 UE DTX进入所述 DTX激活时间扩展时长 的激活状态。与上文类似,本段中所述的指定时刻可以是当前时刻或其他时刻, 其获知方式可以是预置在 UE中或者通过信令为 UE配置。
3 ) DTX扩展基准 +扩展方向
扩展基准也即扩展的起点, 具体可以是某个 DTX周期中的激活时间的结 进行扩展, 可分别参见图 3向右或向左的箭头所示。 而扩展的时长则可以预置 在 UE中, 或由 eNB通过高层信令预先为 UE配置, 或与上述 DTX扩展基准 +扩展方向一起发送给 UE。
4 )扩展间隔
如果 eNB 在所述 PDCCH命令中指示了扩展间隔, 则 UE在接收到该 PDCCH命令后, 在当前的 DTX激活时间结束后, 间隔 PDCCH所指示的扩展 间隔时长后, 才再次进入 DTX激活状态。
此外, 在实施本实施例时还可能涉及到其他一些问题, 说明如下:
下行重传问题:
如果 eNB在某个时刻预计将进行睡眠, 而此时 eNB还有少量数据需要重 发, 那么, 此时 eNB可以在最近一次 PDCCH调度中指示特定的 UE进行激活 时间扩展。 即, 如果 UE没有成功接收当前子帧的 PDSCH, 是否在正常的激 活时间结束后继续等待后续重传需要基于 eNB的指示确定。
上行非自适应同步 HARQ ( Hybrid ARQ, 混合自动重传请求)重传问题: 如果接近激活时间终止之后的某个时刻, UE 正好需要执行同步的上行 HARQ重传, 则 UE应继续执行一次上行重传, 或者 UE继续支持上行重传, 直到该传输块的最大 HARQ重传次数达到为止, 又或者 UE不执行上行重传, 保存当前待重传的传输块, 待下次激活时间开始时再重传该传输块, 再或者 UE不执行上行重传, 释放当前緩存的传输块。 在基站对其原有 DTX进行了变动时, 本发明实施例通过获取基站 DTX 激活时间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获 知最新的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最 终确保 UE的 QoS。
实施例三
图 6是本发明实施例三方法的流程图。 本实施例与实施例一类似, 而细节 上的不同之处在于, 在实施例一中, UE对扩展前的基站 DTX情况是知道的, 换句话说 UE已经获知了一个基本的 DTX做基础。这样当基站 DTX发生扩展 时只需将扩展信息通知给 UE即可, 本次扩展结束后, UE可以继续使用以前 获知的即基本的 UE DTX (当然也可以使用调整后的 UE DTX ), 直至收到下 一次扩展信息。 可以说该实施例的动态性相对较弱。
而在本实施例中, 在基站对 DTX做了扩展的情况下, 基站不是只发送扩 展信息, 而是更进一步, 通过实时或定时等方式将 DTX激活与睡眠情况按单 个周期为单位直接通知给 UE, UE 完全根据收到的 DTX周期并结合自身的 D X确定 UE激活时间。 当 UE需要获知下一个 DTX周期时, 即在当前 DTX 周期结束后或结束前的指定时刻或时间段内, UE可继续获取基站下一个 DTX
周期, 从而形成循环, 使得 UE可以完全动态地获知基站每个 DTX周期, 也 即获知了基站对 DTX所做的任何扩展。 可以说本实施例是一种完全动态的模 式。
具体的本实施例公开了一种确定 UE激活时间的方法,可以用于用户设备 UE, 所述方法包括:
S601、 获取基站单个 DTX周期, 所述基站单个 DTX周期包括本周期内 的基站 DTX激活时间和基站 DTX睡眠时间。
为了让基站下的每个 UE都能收到,基站可以重复发送所述基站单个 DTX 周期。 具体地, 基站可以在每个子帧都进行发送, 或者也可以每隔一定的子帧 进行周期性的重复发送。
所述 DTX激活时间和睡眠时间可以是指,从获取到的所述基站当前 DTX 周期信息所在的子帧开始, eNB将连续处于 DTX激活状态的时长以及在激活 状态到期后 eNB将进入 DTX睡眠状态的时长; 或者也可以是基站当前 DTX 周期内总的处于激活状态的时间和总的激活状态结束后处于睡眠状态的时间。
S602、将所述基站 DTX激活时间与 UE不连续接收 DRX激活时间的交叠 时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行监听。
S603、 当到达指定时刻或处于指定时间段内时继续执行 S601, 以获取基 站下一 DTX周期信息。所述指定时刻或指定时间段可以是当前 DTX周期结束 后或结束前的时刻或时间段。
在本实施例或本发明其他某些实施例中优选的, 所述获取基站单个 DTX 周期, 可以包括:
通过接收媒体接入控制 MAC控制元的方式获取基站单个 DTX周期, 或 者,
通过接收无线资源控制 RRC消息的方式获取基站单个 DTX周期, 或者, 通过接收 PDCCH命令的方式获取基站单个 DTX周期。
进一步优选的, 所述通过接收物理下行控制信道 PDCCH命令的方式获取 基站单个 DTX周期, 包括:
接收指定配置信息,所述配置信息包含为所述 UE配置的用于检测 PDCCH 命令的 DTX-RNTI , 或者, 在所述 UE 中预置用于检测 PDCCH 命令的 DTX- NTI;
根据所述 DTX-RNTI检测出指定 PDCCH命令,所述指定 PDCCH命令中 包含所述基站单个 DTX周期。
在基站对其原有 DTX进行了扩展时, 本实施例通过获取基站每个 DTX 周期的方式, 可以使 UE得知基站所做的扩展, 也即获知 DTX最新的 DTX情 况,进而能够结合 UE DRX确定出正确的 UE激活时间,最终确保 UE的 QoS。
实施例四
图 7是本发明实施例四的信令示意图。 本实施例基于实施例三, 是结合具 体场景对实施例三的进一步细化。 在本实施例中, eNB先为所有的 UE配置公 共的 DTX-RNTI或预置相同的 DTX-RNTI, 以便于 UE基于该 DTX-RNTI检 测到相关 PDCCH,并根据 PDCCH中携带的信息动态获知基站的单个 DTX周 期。 本实施例具体可以包括如下步骤:
S701、UE获取 eNB发送的包含单个 DTX周期的 PDCCH命令。单个 DTX 周期包括该周期内的激活 /睡眠时间。 eNB可以通过本步骤告知 UE从当前子 帧开始, eNB将连续处于 DTX激活状态的时长, 以及在激活状态到期后 eNB 将进入 DTX睡眠状态的时长,或者也可以是基站当前 DTX周期内总的处于激 活状态的时间和总的激活状态结束后处于睡眠状态的时间。
5702、 UE根据配置的 DTX-RNTI检测出上述 PDCCH命令, 获知所述单 个 DTX周期的激活 /睡眠时间, 并接合 DRX计算 UE激活时间。 具体实施时, eNB可以陆续的把各个 DTX周期的信息发给 UE, 而 UE在结束一个 DTX周 期需要确定下一 DTX 周期时, 可以根据当前时间从上述陆续接收到的各个 DTX周期信息中选取一个恰当的去计算 UE激活时间。
5703、 DTX 睡眠时间到期后或者是到达其他预设的时刻, UE 继续获取 eNB发送的包含下一个的 DTX周期的 PDCCH命令, 相当于重复执行 S701。 当然下一个 DTX周期可能与上一个相同也可能不同。 当相同时, 在本发明其
他实施例中 eNB也可以不用再发送相同的 DTX周期, UE按照上一个 DTX周 期自行确定下一个 DTX周期即可。 在基站对其原有 DTX进行了扩展时, 本实施例通过获取基站每个 DTX 周期的方式, 可以使 UE得知基站所做的扩展, 也即获知 DTX最新的 DTX情 况,进而能够结合 UE DRX确定出正确的 UE激活时间,最终确保 UE的 QoS。
实施例五 本实施例与实施例一相对应, 细节上的不同之处在于, 实施例一可以用于 UE侧, 而本实施例可以用于基站侧。 本实施例提供了一种确定 UE激活时间的方法, 所述方法包括:
当基站对基站不连续发送 DTX激活时间进行了扩展时, 向用户设备 UE 发送基站 DTX激活时间的扩展信息, 以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并将所述 UE DTX激活时间与 UE不连续接收 DRX激 活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行 监听, 其中所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间。 优选的, 所述扩展信息包括激活时间扩展时刻、 激活时间扩展时长、 激活 时间扩展方向、 间隔时长中的一种或多种。
优选的, 所述向用户设备 UE发送基站 DTX激活时间的扩展信息, 包括: 通过向用户设备 UE发送媒体接入控制 MAC控制元的方式发送基站 DTX 激活时间的扩展信息; 或者, 通过向用户设备 UE发送无线资源控制 RRC消息的方式发送基站 DTX激 活时间的扩展信息; 或者, 通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送基站 DTX激活时间的扩展信息。 优选的, 所述方法还可以包括以下 UE主动唤醒基站的步骤: 当所述基站处于 DTX睡眠状态时, 接收 UE发送的唤醒消息; 根据所述唤醒消息对所述基站 DTX激活时间进行扩展。
另外,在本实施例或本发明其他某些实施例中, 所述方法还可以包括以下 宏基站统一控制小基站的 DTX配置从而降低小基站相互干扰的步骤:
所述基站作为小基站 S-eNB, 向宏基站 M-eNB发送为所述 S-eNB配置 DTX的请求;
所述 M-eNB在接收到所述请求后, 向所述 S-eNB发送 DTX配置信息, 以为所述 S-eNB配置 DTX。
优选的, 所述请求包括: 建议的 DTX激活时长和睡眠时长的比例关系信 息。
优选的, 所述 DTX配置信息包括: 所述 S-eNB的 DTX周期内的激活时 长、 睡眠时长以及用于确定 DTX激活时长起始时刻的参数值。
在前面的实施例中, 4叚设了 DTX是 S-eNB自己确定的, 这里为了进一步 降低不同 S-eNB之间的相互干扰, 使得一部分 S-eNB在处于激活时间工作的 时候另一部分 S-eNB 能够处于睡眠时间, 以降低互相干扰, 进一步给出了以 上 DTX模式配置由 M-eNB统一控制、协调的步骤。对于所述 DTX配置信息, 也可以简单的是 M-eNB为 UE配置激活时间和睡眠时间的子帧或帧信息, 例 如每个无线帧的 0-4子帧为激活时间, 5-9子帧为睡眠时间, 然后在每个无线 帧内重复上述配置模式, 或者也可以是其他的模式, 例如 M-eNB 可以配置 S-eNB的奇数子帧或奇数帧为激活时间,偶数子帧或偶数帧为睡眠时间,等等。
此外,在本实施例或本发明其他某些实施例中, 所述方法还可以包括以下 宏基站基于小基站下的 DTX配置确定 UE的 DRX配置的步骤:
所述基站作为小基站 S-eNB, 将为 UE 配置的 DTX参数发送至宏基站 M-eNB;
M-eNB根据所述为 UE配置的 DTX参数为 UE配置 DRX参数。
优选的, 所述将小基站 S-eNB 为 UE 配置的 DTX 参数发送至宏基站 M-eNB, 包括:
S-eNB在获知 UE需要同时在 S-eNB和 M-eNB下工作时, 将自己为 UE 配置的 DTX参数发送至 M-eNB; 或者,
S-eNB 根据 M-eNB 的请求将 S-eNB 为 UE 配置的 DTX 参数发送至 M-eNB; 或者,
UE在需要在 S-eNB和 M-eNB下同时工作时,将 S-eNB为 UE配置的 DTX 参数发送至 M-eNB。 具体的, 如果 UE同时工作在 M-eNB和 S-eNB下时, 则为了更好的匹配
UE在 S-eNB和 M-eNB下的 DRX配置与 UE在 S-eNB下的 DTX配置, 则可 以尽可能将 UE在 S-eNB和 M-eNB下的 DRX参数配置配置为公共的 DRX, 即 UE在 S-eNB和 M-eNB下的 DRX参数配置是相同的。因此,需要结合 S-eNB 的 DTX参数配置为 UE配置一个公共的 DRX参数配置。 首先 S-eNB将自己 为 UE配置的 DTX相关的参数通知 M-eNB(也可以是 UE被配置需要在 S-eNB 和 M-eNB同时工作时,将当前在 S-eNB下的 DTX的参数配置发送给 M-eNB ), 具体可以是 S-eNB在获知 UE需要同时在 S-eNB和 M-eNB下工作时,主动将 自己为 UE配置的 DTX参数通知 M-eNB, 或者是 M-eNB首先请求 S-eNB发 送, 然后 S-eNB再将 UE的 DTX参数发送到 M-eNB。 然后, M-eNB基于 UE 在 S-eNB的 DTX配置为 UE配置合适的 DRX参数, 所述 DRX参数可以为 UE在 MeNB和 SeNB下公共使用的 DRX参数。 在基站对其原有 DTX进行了变动时, 本发明实施例通过发送基站 DTX 激活时间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获 知最新的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最 终确保 UE的 QoS。
实施例六 本实施例与实施例三相对应, 细节上的不同之处在于, 实施例三可以用于 UE侧, 而本实施例可以用于基站侧。 本实施例提供了一种确定 UE激活时间的方法, 所述方法包括: 向用户设备 UE发送基站的每个不连续发送 DTX周期,所述 DTX周期包 括本周期内的基站 DTX激活时间和基站 DTX睡眠时间,以使所述 UE将所述 基站 DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活
时间以对物理下行控制信道 PDCCH信道进行监听。
优选的, 所述向用户设备 UE发送所述基站的每个 DTX周期, 包括: 通过向用户设备 UE发送媒体接入控制 MAC控制元的方式发送所述基站 的每个 DTX周期; 或者,
通过向用户设备 UE发送无线资源控制 RRC消息的方式发送所述基站的 每个 DTX周期; 或者,
通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送所述 基站的每个 DTX周期。
与实施例五类似,本实施例的方法同样也还可以包括 UE主动唤醒基站的 步骤、 宏基站统一控制小基站的 DTX配置从而降低小基站相互干扰的步骤、 宏基站基于小基站下的 DTX配置确定 UE的 DRX配置的步骤,此处不再赘述。
在基站对其原有 DTX进行了扩展时, 本实施例通过发送基站每个 DTX 周期的方式, 可以使 UE得知基站所做的扩展, 也即获知 DTX最新的 DTX情 况,进而能够结合 UE DRX确定出正确的 UE激活时间,最终确保 UE的 QoS。
实施例七
图 8为本发明实施例七装置的示意图。 本实施例与实施例一相对应,提供 了一种确定 UE激活时间的装置 800, 所述装置 800包括:
扩展信息获取单元 801, 用于获取基站不连续发送 DTX激活时间的扩展 信息, 所述扩展信息用于指示基站对基站 DTX激活时间所做的扩展;
UE DTX调整单元 802, 用于根据所述扩展信息对 UE DTX激活时间进行 调整, 所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间;
UE激活时间确定单元 803, 用于将所述 UE DTX激活时间与 UE不连续 接收 DRX 激活时间的交叠时间作为 UE 激活时间以对物理下行控制信道 PDCCH信道进行监听。
优选的:
所述扩展信息包括激活时间扩展时刻和激活时间扩展时长;
所述 UE DTX调整单元具体用于:从所述激活时间扩展时刻起对 UE DTX 激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的, 所述激活时间扩展时刻为所述 UE接收到的或预先配置在所述 UE中的, 所述激活时间扩展时长为所述 UE接收到的或预先配置在所述 UE 中的。
优选的,当所述激活时间扩展时刻和所述激活时间扩展时长均为预先配置 在所述 UE中时, 所述 UE DTX调整单元具体用于:
根据所述 UE接收到的扩展指示符, 从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的:
所述扩展信息还包括激活时间扩展方向;
所述 UE DTX调整单元具体用于:
从所述激活时间扩展时刻起沿所述激活时间扩展方向对 UE DTX激活时 间进行扩展, 扩展长度为所述激活时间扩展时长。
优选的:
所述扩展信息包括间隔时长;
所述 UE DTX调整单元具体用于:
在当前 UE DTX激活时间结束后,令所述 UE间隔所述间隔时长再进入下 一 UE DTX激活时间。
优选的, 所述扩展信息获取单元包括:
MAC接收子单元, 用于通过接收媒体接入控制 MAC控制元的方式获取 所述扩展信息或所述扩展指示符; 或者包括:
RRC接收子单元, 用于通过接收无线资源控制 RRC消息的方式获取所述 扩展信息或所述扩展指示符; 或者包括:
PDCCH接收子单元, 用于通过接收物理下行控制信道 PDCCH命令的方 式获取所述扩展信息或所述扩展指示符。
优选的, 当包括所述 PDCCH接收子单元时, 所述 PDCCH接收子单元包 括:
配置信息接收子单元, 用于接收配置信息, 所述配置信息包含为所述 UE 配置的用于检测 PDCCH命令的不连续发送-无线网络临时标识 DTX-RNTI, 或者, 配置信息存储子单元, 用于存储预置的用于检测 PDCCH 命令的 DTX- NTI;
检测子单元,用于根据所述 DTX-RNTI检测出指定 PDCCH命令, 所述指 定 PDCCH命令中包含所述扩展信息或所述扩展指示符。
优选的, 所述装置还包括:
扩展请求发送单元, 用于当所述基站处于 DTX睡眠状态时, 判断是否满 足指定触发条件, 若满足, 则向所述基站发送唤醒消息, 以请求所述基站扩展 DTX激活时间。
优选的, 所述指定触发条件包括:
上行緩存状态报告 UL BSR超出指定门限值, 或者,
所述 UE当前有新的高服务质量 QoS要求的业务需要发起, 或者, 所述 UE当前业务不能延迟到下一个基站 DTX激活时间。
优选的, 所述唤醒消息包括:
在物理上行控制信道 PUCCH上发送的调度请求 SR信号, 或者, 在物理随机接入信道 PRACH上发送的导频 preamble信号。
对于装置实施例而言, 由于其基本对应于方法实施例, 所以相关之处参见 方法实施例的部分说明即可。 以上所描述的装置实施例仅仅是示意性的, 其中 显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可 以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块 来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况 下, 即可以理解并实施。
在基站对其原有 DTX进行了变动时, 本发明实施例通过获取基站 DTX
激活时间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获 知最新的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最 终确保 UE的 QoS。
实施例八
图 9为本发明实施例八装置的示意图, 本实施例与实施例三相对应,提供 了一种确定 UE激活时间的装置 900, 所述装置 900包括:
单个周期获取单元 901, 用于获取基站单个不连续发送 DTX周期, 所述 基站单个 DTX周期包括本周期内的基站 DTX激活时间和基站 DTX睡眠时间; UE激活时间确定单元 902, 将所述基站 DTX激活时间与 UE不连续接收
D X激活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信 道进行监听;
控制单元 903, 用于在到达指定时刻或处于指定时间段时触发所述单个周 期获取单元以获取所述基站下一个 DTX周期。
优选的, 所述单个周期获取单元包括:
MAC接收子单元, 用于通过接收媒体接入控制 MAC控制元的方式获取 基站单个 DTX周期; 或者包括:
RRC接收子单元, 用于通过接收无线资源控制 RRC消息的方式获取基站 单个 DTX周期; 或者包括:
PDCCH接收子单元, 用于通过接收 PDCCH命令的方式获取基站单个
DTX周期。
优选的, 当包括所述 PDCCH接收子单元时, 所述 PDCCH接收子单元包 括:
配置信息接收子单元, 用于接收配置信息, 所述配置信息包含为所述 UE 配置的用于检测 PDCCH命令的不连续发送-无线网络临时标识 DTX-RNTI, 或者, 配置信息存储子单元, 用于存储预置的用于检测 PDCCH 命令的 DTX- NTI;
检测子单元,用于根据所述 DTX-RNTI检测出指定 PDCCH命令, 所述指 定 PDCCH命令中包含所述基站单个 DTX周期。 对于装置实施例而言, 由于其基本对应于方法实施例, 所以相关之处参见 方法实施例的部分说明即可。 以上所描述的装置实施例仅仅是示意性的, 其中 显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可 以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块 来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况 下, 即可以理解并实施。
在基站对其原有 DTX进行了扩展时, 本实施例通过获取基站每个 DTX 周期的方式, 可以使 UE得知基站所做的扩展, 也即获知 DTX最新的 DTX情 况,进而能够结合 UE DRX确定出正确的 UE激活时间,最终确保 UE的 QoS。
实施例九
图 10为本发明实施例九装置的示意图, 本实施例与实施例五相对应, 提 供了一种确定 UE激活时间的装置 1000, 所述装置 1000包括:
扩展判断单元 1001, 用于判断基站是否对基站不连续发送 DTX激活时间 进行了扩展, 若是则触发扩展信息发送单元;
扩展信息发送单元 1002, 用于向用户设备 UE发送基站 DTX激活时间的 扩展信息,以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并将 所述 UE DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE 激活时间以对物理下行控制信道 PDCCH信道进行监听,其中所述 UE DTX激 活时间为所述 UE获知的基站 DTX激活时间。
优选的, 所述扩展信息包括激活时间扩展时刻、 激活时间扩展时长、 激活 时间扩展方向、 间隔时长中的一种或多种。
优选的, 所述扩展信息发送单元包括:
MAC发送子单元, 用于通过向用户设备 UE发送媒体接入控制 MAC控
制元的方式发送基站 DTX激活时间的扩展信息; 或者包括:
RRC发送子单元, 用于通过向用户设备 UE发送无线资源控制 RRC消息 的方式发送基站 DTX激活时间的扩展信息; 或者包括:
PDCCH发送子单元, 用于通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送基站 DTX激活时间的扩展信息。 优选的, 所述装置还包括:
扩展触发单元, 用于在所述基站处于 DTX睡眠状态时接收 UE发送的唤 醒消息, 并根据所述唤醒消息对所述基站 DTX激活时间进行扩展。
对于装置实施例而言, 由于其基本对应于方法实施例, 所以相关之处参见 方法实施例的部分说明即可。 以上所描述的装置实施例仅仅是示意性的, 其中 显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可 以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块 来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况 下, 即可以理解并实施。 在基站对其原有 DTX进行了变动时, 本发明实施例通过发送基站 DTX 激活时间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获 知最新的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最 终确保 UE的 QoS。
实施例十
本实施例与实施例六相对应, 提供了一种确定 UE激活时间的装置, 所述 装置包括:
DTX周期发送单元,用于向用户设备 UE发送基站的每个不连续发送 DTX 周期, 所述 DTX周期包括本周期内的基站 DTX激活时间和基站 DTX睡眠时 间, 以使所述 UE将所述基站 DTX激活时间与 UE不连续接收 DRX激活时间 的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行监听。
优选的, 所述 DTX周期发送单元包括:
MAC发送子单元, 用于通过向用户设备 UE发送媒体接入控制 MAC控 制元的方式发送所述基站的每个 DTX周期; 或者包括:
RRC发送子单元, 用于通过向用户设备 UE发送无线资源控制 RRC消息 的方式发送所述基站的每个 DTX周期; 或者包括:
PDCCH发送子单元, 用于通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送所述基站的每个 DTX周期。 对于装置实施例而言, 由于其基本对应于方法实施例, 所以相关之处参见 方法实施例的部分说明即可。 以上所描述的装置实施例仅仅是示意性的, 其中 显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可 以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块 来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况 下, 即可以理解并实施。
在基站对其原有 DTX进行了扩展时, 本实施例通过发送基站每个 DTX 周期的方式, 可以使 UE得知基站所做的扩展, 也即获知 DTX最新的 DTX情 况,进而能够结合 UE DRX确定出正确的 UE激活时间,最终确保 UE的 QoS。
实施例十一
本实施例与实施例一相对应, 公开了一种用户设备 UE, 所述 UE包括射 频模块、 处理器、 存储器及通信总线;
所述射频模块, 用于接收基站不连续发送 DTX激活时间的扩展信息, 所 述扩展信息用于指示基站对基站 DTX激活时间所 #支的扩展;
所述处理器, 用于执行存储在所述存储器中的程序, 所述程序包括: 根据 所述扩展信息对存储的 UE DTX激活时间进行调整, 所述 UE DTX激活时间 为所述 UE获知的基站 DTX激活时间; 将所述 UE DTX激活时间与 UE不连 续接收 DRX 激活时间的交叠时间作为 UE 激活时间以对物理下行控制信道
PDCCH信道进行监听;
所述存储器, 用于存储所述程序、 所述 UE DTX激活时间以及所述 DRX 激活时间;
所述通信总线, 用于连接所述射频模块、 处理器和存储器。
对于设备实施例而言, 由于其基本对应于方法实施例, 所以相关之处参见 方法实施例的部分说明即可。
在基站对其原有 DTX进行了变动时,本实施例通过获取基站 DTX激活时 间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获知最新 的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最终确保 UE的 QoS
实施例十二
本实施例与实施例五相对应, 提供了一种基站, 所述基站包括处理器、 射 频模块及通信总线;
所述处理器, 用于判断所述基站是否对基站不连续发送 DTX激活时间进 行了扩展, 若是则通过所述射频模块向用户设备 UE发送基站 DTX激活时间 的扩展信息,以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并 将所述 UE DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE 激活时间以对物理下行控制信道 PDCCH信道进行监听,其中所述 UE DTX激 活时间为所述 UE获知的基站 DTX激活时间;
所述射频模块,用于向用户设备 UE发送基站 DTX激活时间的扩展信息; 所述通信总线, 用于连接所述处理器和所述射频模块。
对于设备实施例而言, 由于其基本对应于方法实施例, 所以相关之处参见 方法实施例的部分说明即可。
在基站对其原有 DTX进行了变动时,本实施例通过发送基站 DTX激活时 间的扩展信息的方式, 可以使 UE根据基站侧 DTX所发生的变化而获知最新 的 DTX情况, 进而能够结合 UE D X确定出正确的 UE激活时间, 最终确保
UE的 QoS
本发明可以在由计算机执行的计算机可执行指令的一般上下文中描述,例 如程序模块。一般地,程序模块包括执行特定任务或实现特定抽象数据类型的 例程、 程序、 对象、 组件、 数据结构等等。 也可以在分布式计算环境中实践本 发明,在这些分布式计算环境中, 由通过通信网络而被连接的远程处理设备来 执行任务。在分布式计算环境中,程序模块可以位于包括存储设备在内的本地 和远程计算机存储介质中。 本领域普通技术人员可以理解实现上述方法实施方式中的全部或部分步 骤是可以通过程序来指令相关的硬件来完成,所述的程序可以存储于计算机可 读取存储介质中, 这里所称得的存储介质, 如: ROM、 RAM, 磁碟、 光盘等。 还需要说明的是, 在本文中,诸如第一和第二等之类的关系术语仅仅用来 将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这 些实体或操作之间存在任何这种实际的关系或者顺序。 而且, 术语 "包括"、 "包含"或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列 要素的过程、 方法、 物品或者设备不仅包括那些要素, 而且还包括没有明确列 出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。 在没有更多限制的情况下, 由语句 "包括一个 ... ... " 限定的要素, 并不排除在 包括所述要素的过程、 方法、 物品或者设备中还存在另外的相同要素。
以上所述仅为本发明的较佳实施例而已, 并非用于限定本发明的保护范 例的说明只是用于帮助理解本发明的方法及其核心思想; 同时,对于本领域的 一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变 之处。 综上所述, 本说明书内容不应理解为对本发明的限制。 凡在本发明的精 神和原则之内所作的任何修改、 等同替换、 改进等, 均包含在本发明的保护范 围内。
Claims
1、 一种确定 UE激活时间的方法, 其特征在于, 所述方法包括: 获取基站不连续发送 DTX激活时间的扩展信息, 所述扩展信息用于指示 基站对基站 DTX激活时间所做的扩展;
根据所述扩展信息对 UE DTX激活时间进行调整, 并将所述 UE DTX激 活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活时间以对物 理下行控制信道 PDCCH信道进行监听, 其中所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间。
2、 根据权利要求 1所述的方法, 其特征在于:
所述扩展信息包括激活时间扩展时刻和激活时间扩展时长;
所述根据所述扩展信息对 UE DTX激活时间进行调整, 包括:
从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为 所述激活时间扩展时长。
3、 根据权利要求 2所述的方法, 其特征在于, 所述激活时间扩展时刻为 所述 UE接收到的或预先配置在所述 UE中的, 所述激活时间扩展时长为所述
UE接收到的或预先配置在所述 UE中的。
4、 根据权利要求 3所述的方法, 其特征在于, 当所述激活时间扩展时刻 和所述激活时间扩展时长均为预先配置在所述 UE中时,所述根据所述扩展信 息对 UE DTX激活时间进行调整, 包括:
根据所述 UE接收到的扩展指示符, 从所述激活时间扩展时刻起对 UE
DTX激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
5、 根据权利要求 2所述的方法, 其特征在于:
所述扩展信息还包括激活时间扩展方向;
所述从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长 度为所述激活时间扩展时长, 包括:
从所述激活时间扩展时刻起沿所述激活时间扩展方向对 UE DTX激活时
间进行扩展, 扩展长度为所述激活时间扩展时长。
6、 根据权利要求 1所述的方法, 其特征在于:
所述扩展信息包括间隔时长;
所述根据所述扩展信息对 UE DTX激活时间进行调整, 包括:
在当前 UE DTX激活时间结束后,所述 UE间隔所述间隔时长再进入下一
UE DTX激活时间。
7、 根据权利要求 2~6任一项所述的方法, 其特征在于, 当所述 UE通过 接收的方式获取所述扩展信息或所述扩展指示符时, 所述接收的方式包括: 通过接收媒体接入控制 MAC控制元的方式接收, 或者,
通过接收无线资源控制 RRC消息的方式接收, 或者,
通过接收物理下行控制信道 PDCCH命令的方式接收。
8、 根据权利要求 7所述的方法, 其特征在于, 所述通过接收 PDCCH命 令的方式接收, 包括:
接收配置信息, 所述配置信息包含为所述 UE配置的用于检测 PDCCH命 令的不连续发送 -无线网络临时标识 DTX-RNTI, 或者, 在所述 UE 中预置用 于检测 PDCCH命令的 DTX-RNTI;
根据所述 DTX-RNTI检测出指定 PDCCH命令,所述指定 PDCCH命令中 包含所述扩展信息或所述扩展指示符。
9、根据权利要求 1所述的方法, 其特征在于, 在所述获取基站 DTX激活 时间的扩展信息之前, 还包括:
当所述基站处于 DTX睡眠状态时, 判断是否满足指定触发条件; 若满足, 则向所述基站发送唤醒消息, 以请求所述基站扩展 DTX激活时 间。
10、 根据权利要求 9所述的方法, 其特征在于, 所述指定触发条件包括: 上行緩存状态报告 UL BSR超出指定门限值, 或者,
所述 UE当前有新的高服务质量 QoS要求的业务需要发起, 或者,
所述 UE当前业务不能延迟到下一个基站 DTX激活时间。
11、 根据权利要求 9或 10所述的方法, 其特征在于, 所述唤醒消息包括: 在物理上行控制信道 PUCCH上发送的调度请求 SR信号, 或者, 在物理随机接入信道 PRACH上发送的导频 preamble信号。
12、 一种确定 UE激活时间的方法, 其特征在于, 所述方法包括:
1 )获取基站单个不连续发送 DTX周期, 所述基站单个 DTX周期包括本 周期内的基站 DTX激活时间和基站 DTX睡眠时间;
2 )将所述基站 DTX激活时间与 UE不连续接收 DRX激活时间的交叠时 间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行监听;
3 ) 当到达指定时刻或处于指定时间段内时继续执行步骤 1 ) 以获取所述 基站下一个 DTX周期。
13、 根据权利要求 12所述的方法, 其特征在于, 所述获取基站单个 DTX 周期, 包括:
通过接收媒体接入控制 MAC控制元的方式获取基站单个 DTX周期; 或 者,
通过接收无线资源控制 RRC消息的方式获取基站单个 DTX周期; 或者, 通过接收 PDCCH命令的方式获取基站单个 DTX周期。
14、 根据权利要求 13所述的方法, 其特征在于, 所述通过接收物理下行 控制信道 PDCCH命令的方式获取基站单个 DTX周期, 包括:
接收指定配置信息,所述配置信息包含为所述 UE配置的用于检测 PDCCH 命令的 DTX-RNTI , 或者, 在所述 UE 中预置用于检测 PDCCH 命令的 DTX- NTI;
根据所述 DTX-RNTI检测出指定 PDCCH命令,所述指定 PDCCH命令中 包含所述基站单个 DTX周期。
15、 一种确定 UE激活时间的方法, 其特征在于, 所述方法包括: 当基站对基站不连续发送 DTX激活时间进行了扩展时, 向用户设备 UE
发送基站 DTX激活时间的扩展信息, 以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并将所述 UE DTX激活时间与 UE不连续接收 DRX激 活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行 监听, 其中所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间。
16、 根据权利要求 15所述的方法, 其特征在于, 所述扩展信息包括激活 时间扩展时刻、 激活时间扩展时长、 激活时间扩展方向、 间隔时长中的一种或 多种。
17、根据权利要求 15~16任一项所述的方法, 其特征在于, 所述向用户设 备 UE发送基站 DTX激活时间的扩展信息, 包括:
通过向用户设备 UE发送媒体接入控制 MAC控制元的方式发送基站 DTX 激活时间的扩展信息; 或者,
通过向用户设备 UE发送无线资源控制 RRC消息的方式发送基站 DTX激 活时间的扩展信息; 或者,
通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送基站 DTX激活时间的扩展信息。
18、 根据权利要求 15~16任一项所述的方法, 其特征在于, 还包括: 当所述基站处于 DTX睡眠状态时, 接收 UE发送的唤醒消息;
根据所述唤醒消息对所述基站 DTX激活时间进行扩展。
19、 根据权利要求 15所述的方法, 其特征在于, 所述方法还包括: 所述基站作为小基站 S-eNB, 向宏基站 M-eNB发送为所述 S-eNB配置
DTX的请求;
所述 M-eNB在接收到所述请求后, 向所述 S-eNB发送 DTX配置信息, 以为所述 S-eNB配置 DTX。
20、 根据权利要求 19所述的方法, 其特征在于, 所述请求包括: 建议的 DTX激活时长和睡眠时长的比例关系信息。
21、根据权利要求 19所述的方法,其特征在于,所述 DTX配置信息包括: 所述 S-eNB的 DTX周期内的激活时长、 睡眠时长以及用于确定 DTX激活时
长起始时刻的参数值。
22、 根据权利要求 15所述的方法, 其特征在于, 所述方法还包括: 所述基站作为小基站 S-eNB, 将为 UE 配置的 DTX参数发送至宏基站 M-eNB;
M-eNB根据所述为 UE配置的 DTX参数为 UE配置 DRX参数。
23、 根据权利要求 22所述的方法, 其特征在于, 所述将小基站 S-eNB为 UE配置的 DTX参数发送至宏基站 M-eNB, 包括:
S-eNB在获知 UE需要同时在 S-eNB和 M-eNB下工作时, 将自己为 UE 配置的 DTX参数发送至 M-eNB; 或者,
S-eNB 根据 M-eNB 的请求将 S-eNB 为 UE 配置的 DTX 参数发送至
M-eNB; 或者,
UE在需要在 S-eNB和 M-eNB下同时工作时,将 S-eNB为 UE配置的 DTX 参数发送至 M-eNB。
24、 一种确定 UE激活时间的方法, 其特征在于, 所述方法包括: 向用户设备 UE发送基站的每个不连续发送 DTX周期,所述 DTX周期包 括本周期内的基站 DTX激活时间和基站 DTX睡眠时间, 以使所述 UE将所述 基站 DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活 时间以对物理下行控制信道 PDCCH信道进行监听。
25、 根据权利要求 24所述的方法, 其特征在于, 所述向用户设备 UE发 送所述基站的每个 DTX周期, 包括:
通过向用户设备 UE发送媒体接入控制 MAC控制元的方式发送所述基站 的每个 DTX周期; 或者,
通过向用户设备 UE发送无线资源控制 RRC消息的方式发送所述基站的 每个 DTX周期; 或者,
通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送所述 基站的每个 DTX周期。
26、 根据权利要求 24所述的方法, 其特征在于, 所述方法还包括:
所述基站作为小基站 S-eNB, 向宏基站 M-eNB发送为所述 S-eNB配置 DTX的请求;
所述 M-eNB在接收到所述请求后, 向所述 S-eNB发送 DTX配置信息, 以为所述 S-eNB配置 DTX。
27、 根据权利要求 26所述的方法, 其特征在于, 所述请求包括: 建议的
DTX激活时长和睡眠时长的比例关系信息。
28、根据权利要求 26所述的方法,其特征在于,所述 DTX配置信息包括: 所述 S-eNB的 DTX周期内的激活时长、 睡眠时长以及用于确定 DTX激活时 长起始时刻的参数值。
29、 根据权利要求 24所述的方法, 其特征在于, 所述方法还包括: 所述基站作为小基站 S-eNB, 将为 UE 配置的 DTX参数发送至宏基站 M-eNB;
M-eNB根据所述为 UE配置的 DTX参数为 UE配置 DRX参数。
30、 根据权利要求 29所述的方法, 其特征在于, 所述将小基站 S-eNB为 UE配置的 DTX参数发送至宏基站 M-eNB, 包括:
S-eNB在获知 UE需要同时在 S-eNB和 M-eNB下工作时, 将自己为 UE 配置的 DTX参数发送至 M-eNB; 或者,
S-eNB 根据 M-eNB 的请求将 S-eNB 为 UE 配置的 DTX 参数发送至 M-eNB; 或者,
UE在需要在 S-eNB和 M-eNB下同时工作时,将 S-eNB为 UE配置的 DTX 参数发送至 M-eNB。
31、 一种确定 UE激活时间的装置, 其特征在于, 所述装置包括: 扩展信息获取单元,用于获取基站不连续发送 DTX激活时间的扩展信息, 所述扩展信息用于指示基站对基站 DTX激活时间所做的扩展;
UE DTX调整单元, 用于根据所述扩展信息对 UE DTX激活时间进行调 整, 所述 UE DTX激活时间为所述 UE获知的基站 DTX激活时间;
UE激活时间确定单元, 用于将所述 UE DTX激活时间与 UE不连续接收
D X激活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信 道进行监听。
32、 根据权利要求 31所述的装置, 其特征在于:
所述扩展信息包括激活时间扩展时刻和激活时间扩展时长;
所述 UE DTX调整单元具体用于:从所述激活时间扩展时刻起对 UE DTX 激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
33、 根据权利要求 32所述的装置, 其特征在于, 所述激活时间扩展时刻 为所述 UE接收到的或预先配置在所述 UE中的, 所述激活时间扩展时长为所 述 UE接收到的或预先配置在所述 UE中的。
34、 根据权利要求 33所述的装置, 其特征在于, 当所述激活时间扩展时 刻和所述激活时间扩展时长均为预先配置在所述 UE中时,所述 UE DTX调整 单元具体用于:
根据所述 UE接收到的扩展指示符, 从所述激活时间扩展时刻起对 UE DTX激活时间进行扩展, 扩展长度为所述激活时间扩展时长。
35、 根据权利要求 32所述的装置, 其特征在于:
所述扩展信息还包括激活时间扩展方向;
所述 UE DTX调整单元具体用于:
从所述激活时间扩展时刻起沿所述激活时间扩展方向对 UE DTX激活时 间进行扩展, 扩展长度为所述激活时间扩展时长。
36、 根据权利要求 31所述的装置, 其特征在于:
所述扩展信息包括间隔时长;
所述 UE DTX调整单元具体用于:
在当前 UE DTX激活时间结束后,令所述 UE间隔所述间隔时长再进入下 一 UE DTX激活时间。
37、根据权利要求 32~36任一项所述的装置, 其特征在于, 所述扩展信息 获取单元包括:
MAC接收子单元, 用于通过接收媒体接入控制 MAC控制元的方式获取 所述扩展信息或所述扩展指示符; 或者包括:
RRC接收子单元, 用于通过接收无线资源控制 RRC消息的方式获取所述 扩展信息或所述扩展指示符; 或者包括:
PDCCH接收子单元, 用于通过接收物理下行控制信道 PDCCH命令的方 式获取所述扩展信息或所述扩展指示符。
38、 根据权利要求 37所述的装置, 其特征在于, 当包括所述 PDCCH接 收子单元时, 所述 PDCCH接收子单元包括:
配置信息接收子单元, 用于接收配置信息, 所述配置信息包含为所述 UE 配置的用于检测 PDCCH命令的不连续发送-无线网络临时标识 DTX-RNTI, 或者, 配置信息存储子单元, 用于存储预置的用于检测 PDCCH 命令的 DTX- NTI;
检测子单元,用于根据所述 DTX-RNTI检测出指定 PDCCH命令, 所述指 定 PDCCH命令中包含所述扩展信息或所述扩展指示符。
39、 根据权利要求 31所述的装置, 其特征在于, 所述装置还包括: 扩展请求发送单元, 用于当所述基站处于 DTX睡眠状态时, 判断是否满 足指定触发条件, 若满足, 则向所述基站发送唤醒消息, 以请求所述基站扩展 DTX激活时间。
40、 根据权利要求 39所述的装置, 其特征在于, 所述指定触发条件包括: 上行緩存状态报告 UL BSR超出指定门限值, 或者,
所述 UE当前有新的高服务质量 QoS要求的业务需要发起, 或者, 所述 UE当前业务不能延迟到下一个基站 DTX激活时间。
41、根据权利要求 39或 40所述的装置,其特征在于,所述唤醒消息包括: 在物理上行控制信道 PUCCH上发送的调度请求 SR信号, 或者, 在物理随机接入信道 PRACH上发送的导频 preamble信号。
42、 一种确定 UE激活时间的装置, 其特征在于, 所述装置包括:
单个周期获取单元, 用于获取基站单个不连续发送 DTX周期, 所述基站 单个 DTX周期包括本周期内的基站 DTX激活时间和基站 DTX睡眠时间;
UE激活时间确定单元,将所述基站 DTX激活时间与 UE不连续接收 DRX 激活时间的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进 行监听;
控制单元,用于在到达指定时刻或处于指定时间段时触发所述单个周期获 取单元以获取所述基站下一个 DTX周期。
43、 根据权利要求 42所述的装置, 其特征在于, 所述单个周期获取单元 包括:
MAC接收子单元, 用于通过接收媒体接入控制 MAC控制元的方式获取 基站单个 DTX周期; 或者包括:
RRC接收子单元, 用于通过接收无线资源控制 RRC消息的方式获取基站 单个 DTX周期; 或者包括:
PDCCH接收子单元, 用于通过接收 PDCCH命令的方式获取基站单个 DTX周期。
44、 根据权利要求 43所述的装置, 其特征在于, 当包括所述 PDCCH接 收子单元时, 所述 PDCCH接收子单元包括:
配置信息接收子单元, 用于接收配置信息, 所述配置信息包含为所述 UE 配置的用于检测 PDCCH命令的不连续发送-无线网络临时标识 DTX-RNTI, 或者, 配置信息存储子单元, 用于存储预置的用于检测 PDCCH 命令的 DTX-RNTI;
检测子单元,用于根据所述 DTX-RNTI检测出指定 PDCCH命令, 所述指 定 PDCCH命令中包含所述基站单个 DTX周期。
45、 一种确定 UE激活时间的装置, 其特征在于, 所述装置包括: 扩展判断单元, 用于判断基站是否对基站不连续发送 DTX激活时间进行 了扩展, 若是则触发扩展信息发送单元;
扩展信息发送单元, 用于向用户设备 UE发送基站 DTX激活时间的扩展
信息,以使所述 UE根据所述扩展信息对 UE DTX激活时间进行调整并将所述 UE DTX激活时间与 UE不连续接收 DRX激活时间的交叠时间作为 UE激活 时间以对物理下行控制信道 PDCCH信道进行监听,其中所述 UE DTX激活时 间为所述 UE获知的基站 DTX激活时间。
46、 根据权利要求 45所述的装置, 其特征在于, 所述扩展信息包括激活 时间扩展时刻、 激活时间扩展时长、 激活时间扩展方向、 间隔时长中的一种或 多种。
47、根据权利要求 45~46任一项所述的装置, 其特征在于, 所述扩展信息 发送单元包括:
MAC发送子单元, 用于通过向用户设备 UE发送媒体接入控制 MAC控 制元的方式发送基站 DTX激活时间的扩展信息; 或者包括:
RRC发送子单元, 用于通过向用户设备 UE发送无线资源控制 RRC消息 的方式发送基站 DTX激活时间的扩展信息; 或者包括:
PDCCH发送子单元, 用于通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送基站 DTX激活时间的扩展信息。
48、根据权利要求 45~46任一项所述的装置, 其特征在于, 所述装置还包 括:
扩展触发单元, 用于在所述基站处于 DTX睡眠状态时接收 UE发送的唤 醒消息, 并根据所述唤醒消息对所述基站 DTX激活时间进行扩展。
49、 一种确定 UE激活时间的装置, 其特征在于, 所述装置包括:
DTX周期发送单元,用于向用户设备 UE发送基站的每个不连续发送 DTX 周期, 所述 DTX周期包括本周期内的基站 DTX激活时间和基站 DTX睡眠时 间, 以使所述 UE将所述基站 DTX激活时间与 UE不连续接收 DRX激活时间 的交叠时间作为 UE激活时间以对物理下行控制信道 PDCCH信道进行监听。
50、根据权利要求 49所述的装置, 其特征在于, 所述 DTX周期发送单元 包括:
MAC发送子单元, 用于通过向用户设备 UE发送媒体接入控制 MAC控
制元的方式发送所述基站的每个 DTX周期; 或者包括:
RRC发送子单元, 用于通过向用户设备 UE发送无线资源控制 RRC消息 的方式发送所述基站的每个 DTX周期; 或者包括:
PDCCH发送子单元, 用于通过向用户设备 UE发送物理下行控制信道 PDCCH命令的方式发送所述基站的每个 DTX周期。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14811204.8A EP2991437B1 (en) | 2013-06-09 | 2014-05-07 | Method and device for determining ue activation time |
| EP18178724.3A EP3457766A1 (en) | 2013-06-09 | 2014-05-07 | Method and apparatus for determining active time of ue |
| US14/962,079 US9894707B2 (en) | 2013-06-09 | 2015-12-08 | Method and apparatus for determining active time of UE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| EP2991437A1 (en) | 2016-03-02 |
| CN104244380B (zh) | 2018-05-11 |
| EP2991437B1 (en) | 2018-08-29 |
| CN108184263B (zh) | 2020-11-17 |
| EP2991437A4 (en) | 2016-06-29 |
| CN104244380A (zh) | 2014-12-24 |
| US9894707B2 (en) | 2018-02-13 |
| EP3457766A1 (en) | 2019-03-20 |
| CN108184263A (zh) | 2018-06-19 |
| US20160088681A1 (en) | 2016-03-24 |
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