CN101444131A - Method and apparatus for battery management in a converged wireless transmit/receive unit - Google Patents
Method and apparatus for battery management in a converged wireless transmit/receive unit Download PDFInfo
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- CN101444131A CN101444131A CNA2007800169287A CN200780016928A CN101444131A CN 101444131 A CN101444131 A CN 101444131A CN A2007800169287 A CNA2007800169287 A CN A2007800169287A CN 200780016928 A CN200780016928 A CN 200780016928A CN 101444131 A CN101444131 A CN 101444131A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000007726 management method Methods 0.000 claims description 161
- 238000006116 polymerization reaction Methods 0.000 claims description 60
- 238000012545 processing Methods 0.000 claims description 39
- 230000008859 change Effects 0.000 claims description 30
- 238000005516 engineering process Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000013442 quality metrics Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 9
- 241000700159 Rattus Species 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 14
- 230000000284 resting effect Effects 0.000 description 8
- 241001481798 Stochomys longicaudatus Species 0.000 description 6
- 230000004913 activation Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005059 dormancy Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012508 change request Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101100113067 Rattus norvegicus Cfi gene Proteins 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving 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 master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave 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
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- 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
Abstract
The present invention is a method and apparatus for minimizing power consumption in a converged WTRU. In a preferred embodiment, power consumption is minimized by coordinating battery management of the various RATs supported by the converged WTRU. A coordinated multi-RAT battery management (CMRBM) unit is used by the converged WTRU to minimize power consumption. The CMRBM unit monitors various power and link metrics of the various RATs supported by the converged WTRU, and coordinates power states of the converged WTRU.
Description
Technical field
The present invention relates generally to wireless communication system.More specifically, the present invention relates to can be by the power management in the aggregated wireless transmitter/receiver unit (WTRU) of multiple radio access technologies (RAT) operation.
Background technology
Polymerization WTRU is can be via the mobile device of multiple radio access technologies (RAT) communication.Polymerization WTRU provides abundant service, comprises voice, the mobile access to Email and personal information, website browsing, Voice ﹠ Video playback and flow transmission, recreation etc.Yet, need a lot of electric weight via the communication of multiple RAT, thereby cause exhausting fast of polymerization WTRU battery.
In polymerization WTRU, need polymerization WTRU so that each sends and receives among the multiple RAT via the communication of multiple RAT.In order further to address this problem, polymerization WTRU can have many RF chain, perhaps can communicate via many RAT simultaneously.Because polymerization WTRU is portable set normally, so do not expect by increasing the demand that battery sizes satisfies electric weight.Therefore, expectation minimization consumption of electric in polymerization WTRU.
In all component in polymerization WTRU, transceiver consumes maximum electric weight usually.Therefore, the plain mode of preserving electric weight is when not needing transceiver it to be closed or reduce its activity.This can realize by WTRU being placed resting state or discontinuous reception (DRX) pattern.Different radio access technologies (RAT) has their electricity-saving mechanism, and generally all considers above-mentioned two states (using and following different term sometimes).
First state is a wake-up states, and the radio of WTRU is opened at that time.Under this state, WTRU can send or receive data energetically, and perhaps WTRU can be in battery saving mode, and it produces the traffic in order to monitoring radio, and if desired, its active that switches to data fast sends and receives.Second state is a resting state, and the radio of WTRU is periodically closed at that time.The WTRU intermittence is waken up with from network receiving information, for example the beacon in IEEE 802.11RAT, the pilot channel (PCH) in third generation partner program (3GPP) RAT etc.Network terminal can be preserved the grouping that is positioned to dormancy WTRU in buffer, and sends these groupings when WTRU is in wake-up states.
It should be noted that the RAT agreement has defined required and optional powder source management mode for given technology.In order to illustrate, in wireless lan (wlan), in order to reduce the battery consumption of radio customer machine, client radio will replace between two states, comprise: (1) state of activation, and radio customer machine sustained activation ground sends and receives therebetween; This state takes place during dormancy at radio customer machine in (2) power down mode off and on.
WLAN access point in the base frame network is followed the tracks of the state of each related WTRU.These access points will be directed to the traffic buffer memory of the WTRU that is in resting state.With regular time at interval, AP will send TIM (traffic indication map) frame, which dormancy WTRU buffer memory it has indicated in the traffic of access point wait.The WTRU that is in resting state will intermittently start its receiver, and receive TIM.If WTRU has the traffic of wait, then it will send packet switching (PS) poll frame to AP.WTRU will wait for the traffic, be received until it, and perhaps AP will send another TIM frame that does not have the traffic of buffer memory in order to indication.
In global mobile communication system (UMTS) technology, WTRU can be in any of two basic status: idle condition or connection status.Under idle condition, WTRU just " is in the sub-district ".Yet WTRU still can receive signaling information, for example paging.WTRU will wait under idle condition, connect until setting up radio resource controller (RRC).In UMTS, define various connection status patterns, comprise cell private channel (CELL_DCH), cell forward access channel (CELL_FACH), cell paging channel (CELL_PCH) and UMTS terrestrial radio access network (UTRAN) registration zone paging channel (URA_PCH), wherein each pattern has variable amplitude communication function and power saving effect.
Other access technology has they oneself power management states and pattern separately.Above-mentioned WLAN and UMT electric source modes only are exemplary, do not represent limitation of the scope of the invention, arbitrary radio access technologies that it can be applicable to expect.
With reference to Fig. 1, at the polymerization WTRU 110 of prior art shown in many RAT wireless environment 100.Each RAT (RAT
1, RAT
2..., RAN
N) can be used for via they communication of agreement separately.Polymerization WTRU 110 comprises and being respectively applied for and each RAT
1, RAT
2..., RAN
NA plurality of RAT processing units 120 of communication
1, 120
2... 120
NBy each RAT battery management unit 130
1, 130
2... 130
NControl each RAT processing unit 120
1, 120
2... 120
NPower supply status.These RAT battery management units 130
1, 130
2... 130
NAccording to they RAT consultative management power supply and resources separately.Therefore, polymerization WTRU 110 comprises in order to the function by many RAT communication and comes the function of managing electrical power and resource according to each RAT agreement and electric source modes.Other WTRU assembly 140 comprises various other assemblies and function, comprises display, input equipment, transmitter etc.In order to illustrate, when polymerization WTRU110 uses RAT
1The time, RAT
1Processing unit 120
1Provide the RAT specific protocol functionality that combines with other WTRU assembly 140, simultaneously RAT
1Battery management unit 130
1Managing electrical power resource and electric source modes.
Yet, because each RAT processing unit 120
1, 120
2... 120
NWith related RAT battery management unit 130
1, 130
2... 130
NOperation independently of one another is so polymerization WTRU 110 lacks collaborative.Therefore, lost the chance of minimum power consumption.Therefore, expect a kind of method and apparatus, with many RAT of cooperation battery management in polymerization WTRU.
Summary of the invention
The invention provides a kind of method and apparatus that in polymerization WTRU, is used for minimum power consumption.In a preferred embodiment, come minimum power consumption by the battery management of regulating each RAT that supports by polymerization WTRU.Use many RAT battery management (CMRBM) unit of adjusting by polymerization WTRU, with minimum power consumption.The CMRBM unit monitors is by each power supply and the link metric of each RAT of polymerization WTRU support, and the power supply status of adjusting polymerization WTRU.
Description of drawings
These preferred embodiments provide as an example about understanding the present invention in more detail the description of preferred implementation from following, and are understood in conjunction with the accompanying drawings, wherein:
Fig. 1 is illustrated in the conventional batteries management among the polymerization WTRU;
Fig. 2 illustrates and comprises the polymerization WTRU that regulates many RAT battery management unit according to the preferred embodiment of the present invention;
Fig. 3 is the state machine diagram of possible electric source modes of the polymerization WTRU of Fig. 2;
Fig. 4 in the polymerization WTRU of Fig. 2 in order to the flow chart of the method for regulating many RAT battery management;
Fig. 5 is for using the flow chart of configuration report in order to the method for regulating many RAT battery management; With
Fig. 6 between the transfer period between the RAT in order to the flow chart of the method for regulating many RAT battery management.
Embodiment
Though feature of the present invention and element are described with specific combination in preferred embodiment, but each feature or element can (under the situation of other features that do not have described preferred implementation and element) use separately, or with or with under the various situations that other features of the present invention and element combine do not use.
As wherein employed, WTRU includes but not limited to subscriber equipment (UE), mobile radio station, fixing or moving user unit, beep-pager or the equipment of any other type that can move in wireless environment.
Fig. 2 illustrates the polymerization WTRU 210 that comprises CMRBM unit 220.Each RAT battery management unit 230 is regulated in CMRBM unit 220
1, 230
2... 230
N(following common use label 230), these each RAT processing units 240 of RAT battery management unit wheel current control
1, 240
2... 240
NThe power supply and the resource management of (following common use label 240).Many RAT wireless communications environment comprises: RAT
1, RAT
2... RAT
N(can be these by example, but be not limited to scope of the present invention), general packet radio service (GPRS) network, universal mobile telecommunications (UMTS) network, global mobile communication (GSM) network, GSM strengthens GSM evolution (EDGE) wireless access network (GERAN) and the wireless lan (wlan) of data rate, for example the compatible net of IEEE 802.11x.Polymerization WTRU210 comprises other WTRU assembly 250, and it can comprise transceiver, memory, display etc.
Each RAT battery management unit 240 of polymerization WTRU 210 is regulated in CMRBM unit 220
1, 240
2... 240
NIn order to realize this operation, preferably use three kinds of generic power states by CMRBM unit 220.First power supply status is a wake-up states.Under wake-up states, polymerization WTRU 210 sends and/or receives data on one's own initiative.The CMRBM wake-up states is similar to above-mentioned WLAN state of activation and UMTS connection status.The second source state is a resting state.Under resting state, RAT moves to reduce mode functional and the minimizing electrical source consumption, typically only periodically opens.Sleep power state is similar to above-mentioned UMTS idle condition.The 3rd power supply status is a closed condition.Down, RAT is fully closed power supply in off position, and does not periodically send or received communication.
With reference to Fig. 3, illustrate by CMRBM unit 220 employed state machines 300 in order to the polymerization WTRU 210 of Fig. 2 of control RAT battery management unit.In 310, close given RAT processing unit fully in off position.In opening 320, start given RAT processing unit, and the RAT processing unit is that part can be moved at least.Starting state 320 also comprises awakening mode 330 and park mode 340.Awakening mode 330 times, the RAT processing unit can move fully, and even can send data to network actively or receive data from network.Park mode 340 times, the RAT processing unit moves to reduce functional mode.Typically, park mode 340 times, as mentioned above, the RAT processing unit is closed its transceiver with periodicity, and reduces the control messages transmission.
It should be noted that CMRBM unit 220 power supply statuss are the general power supply statuss that use when regulating many RAT battery management.The given multiple sub-state of RAT agreement definable or the pattern of given CMRBM power supply status.For example, the state of activation in the UMTS access technology comprises at least four sub-states (URA_PCH, CELL_DCH, CELL_PCH and CELL_FACH as mentioned above)., finally determine by the RAT battery management unit during 220 normal regulating battery managements in the CMRBM unit by the selected specific sub-state of RAT battery management unit according to its RAT agreement separately.This is not limited to awakening mode 330, and comprises CMRBM park mode 340, and for specific various other power management details of each RAT agreement.
Still with reference to Fig. 3, the state that is illustrated by the broken lines changes.The RAT battery management unit can change request by accepting state and change into opening 320 from closed condition 310, and vice versa.When opening, the RAT battery management unit can change request mode by state and select between awakening mode 330 and park mode 340.Replacedly, the RAT battery management unit can RAT agreement and battery management structure unilaterally change its state or pattern separately based on it.
Refer again to Fig. 2, CMRBM unit 220 is preferably by the detailed transmission message primitive of the example in the following table 1 and each RAT battery management unit 240 of polymerization WTRU 210
1, 240
2... 240
NCommunication.Also can use other primitive, and primitive discussed below can comprise as required except clear other additional information element of quoting in specification.
Table 1
| Primitive | Direction | Describe |
| State changes request | CMRBM unit → RAT battery management unit | CMRBM unit requests RAT battery management unit changes power supply status.It should be noted, wait until that at last the RAT battery management unit carries out this request.For example, in UMTS RAT, WTRU can not enter resting state automatically; This is the decision of network.If there is sub-state, then also represent this sub-state. |
| State changes indication | CMRBM unit ← RAT battery management unit | Whether the RAT battery management unit indicates its state to change.It can be the result who changes request from the state of CMRBM unit that this state changes, and is perhaps changed by the auto state that the RAT battery management unit starts based on the RAT agreement.This new state of indication in message. |
| The state information request | CMRBM unit ← RAT battery management unit | Before the RAT battery management unit enters new state automatically, the affirmation that it changes from CMRBM unit requests state.In this message, indicate new state. |
| State information response | CMRBM unit → RAT battery management unit | In response to the state information request, the state that the CMRBM unit is confirmed by indication responds.It should be noted that the RAT battery management unit is depended in the end-state decision.The RAT battery management unit preferably changes expression message informing CMRBM by state |
| The selected state in unit. | ||
| Open request | CMRBM unit → RAT battery management unit | This order makes the CMRBM unit open the RAT battery management unit, and opens the RAT processing unit subsequently. |
| Turn-off request | CMRBM unit → RAT battery management unit | This order makes the CMRBM unit close the RAT battery management unit, and closes the RAT processing unit subsequently. |
| Configuration report | CMRBM unit ← RAT battery management unit | The RAT battery management unit provides the internal configurations parameter relevant with its current power supply status to the CMRBM unit. |
| Configuring request | CMRBM unit → RAT battery management unit | CMRBM uses the unit its primitive to customize the power supply status parameter of RAT, thereby makes the electrical source consumption optimization. |
Fig. 4 in the polymerization WTRU of Fig. 2 in order to the flow chart 400 of the method for regulating many RAT battery management.Each RAT battery management unit 240 that 220 monitoring of CMRBM unit comprise in polymerization WTRU 210
1, 240
2... 240
NAnd various signals of RAT and link metric (step 410).Based on this monitoring, CMRBM unit 220 determines whether that expectation is carried out the state change to arbitrary RAT battery management unit or pattern changes (step 420).Should determine can be based on the arbitrary principle in order to the battery supply that minimizes polymerization WTRU 220.For example, when there not being (RAT for example for given RAT
1) during available network, expectation is with corresponding RAT battery management unit 230
1With RAT processing unit 240
1Place " shut " mode", to preserve energy.Equally, available if network becomes, RAT battery management unit 230 then then
1With RAT processing unit 240
1Can place opening.Replacedly, when polymerization WTRU 210 sensed low power level, predetermined RAT processing unit can be enduringly or periodically is placed in " shut " mode", to preserve the energy content of battery.
Replacedly, the configurable CMRBM of the user of polymerization WTRU 210 unit 220 is to regulate electric source modes and state as required.Replacedly, CMRBM unit 220 can ask the state of RAT battery management unit 230 to change into awakening mode from park mode, perhaps when being about to switch to this RAT, it changes into park mode based on its power management protocol refusal RAT battery management unit 230 separately, hereinafter with reference to Fig. 6 more detailed description.CMRBM can utilize link quality metric to change with the state that influences arbitrary RAT.For example, when WTRU 210 is connected to a plurality of RAT, and better in these RAT uplink quality, then can to ask RAT to change its state be park mode to CMRBM, or carry out inverse operation.
Need in step 420 to determine under the situation of state change or pattern change in CMRBM unit 220, CMRBM unit 220 request RAT battery management units 230 carry out the state change or pattern changes (step 430).Preferably, CMRBM unit 220 uses the primitives state of definition in above-mentioned table 1 to change.Particularly, " state changes request information to the RAT battery management unit 230 that is requested change state or pattern to 220 transmissions of CMRBM unit.When the state that receives changed request, RAT battery management unit 230 indicated it will meet this request based on its RAT specific protocol, and preferably sent " state changes indication " message to confirm its current state (step 440).
It should be noted, when specific RAT change pattern (for example from awakening mode to park mode, or opposite) time, typically, this pattern of informing network changes or state changes, thereby can carry out buffer-stored to the communication that is positioned to polymerization WTRU 210 by network, as mentioned above, perhaps owing to other reason.Utilization is with the RAT specific protocol of electric source modes and Network Synchronization, to realize this processing.
If in step 420, CMRBM unit 220 not expectation state changes, and determines then whether expectation state changes (step 450) to arbitrary RAT battery management unit 230.RAT battery management unit 230 can be made independent judgment about this state based on the RAT specific protocol.If there are not RAT battery management unit 230 expectation states to change, then this method is returned step 410 with further monitoring.If RAT battery management unit 230 expectation states change, then 230 requests of RAT battery management unit are from the permission (step 460) for the state change of CMRBM unit 220.Preferably, as the description in the above-mentioned table 1, this request is " state information request " primitive.When the state that receives changed request, CMRBM unit 220 determined whether that the allowance state changes request, and correspondingly signals the RAT battery management unit 230 (step 470) of this request.Preferably, CMRBM unit 220 uses the RAT battery management unit 230 of signaling this request as " state information response " message in the above-mentioned table 1.It should be noted that CMRBM unit 220 can permit or disapprove the state of being asked changing, and the RAT battery management unit 230 of request can change by the continuation state, and do not consider permission or the refusal that permit CMRBM unit 220.
In another embodiment, with reference to Fig. 5, illustrate and use the flow chart 500 of configuration report in order to the method for the many RAT battery management among the adjusting polymerization WTRU210.When polymerization WTRU 210 opens (step 510), each RAT battery management unit 230 notice CMRBM unit 220 its battery management configuration (step 520) separately.Preferably, RAT battery management unit 230 sends " configuration report " message that defines as in the above-mentioned table 1 to CMRBM unit 220.It should be noted, typically, come the regulation initial battery management configuration by specific RAT agreement.Next, CMRBM unit 220 compiling this report, and need to determine whether the arbitrary RAT battery management unit 230 of request to carry out the state change, thus minimum energy consumption (step 530).If CMRBM unit 210 do not need to determine state to change (that is, polymerization WTRU 210 current state operations with optimum power configuration), then this method advances to step 550.If on the other hand, CMRBM unit 220 determines that expectation states change (that is, polymerization WTRU210 can more effective configuration), and then CMRBM unit 220 request RAT battery management units 230 carry out state and change (step 540).Preferably, this request is in the form as above-mentioned table 1 defined " configuring request " message.Then, the RAT battery management unit 230 of request change state can change according to himself specific RAT agreement state that determines whether to carry out.In next configuration report, will be by the selected state of RAT battery management unit 230 indications.Alternatively, each periodically repeated configuration report (step 550) of RAT battery management unit 230.This periodic report can be carried out with Fixed Time Interval, perhaps can dynamically adjust based on user's control or CMRBM unit 220.
Except reference Fig. 4 and the described method of Fig. 5, RAT battery management unit 230 complete powered-downs can be asked in CMRBM unit 220, thereby close its RAT processing unit 240 separately.Preferably, realize this processing by sending as above-mentioned table 1 defined " turn-off request " message.Similarly, RAT battery management unit 230 unlatchings of power down state can be asked to be in CMRBM unit 220.Preferably, " open request information and realize this processing by sending as above-mentioned table 1 is defined.Polymerization WTRU 210 can power to RAT battery management unit 230, thereby RAT processing unit 240 is opened in all cases or closed accordingly, to preserve electric weight.For example, under the situation of the network that does not have scanning, when power supply is lower than predetermined threshold, perhaps when the user when scheduled volume does not use specific RAT network in the time, RAT battery management unit 230 and corresponding RAT processing unit 240 can be closed in CMRBM unit 220.
In another embodiment, CMRBM unit 220 is provided at the various access techniques to effective power management of polymerization WTRU 210 between transfer period between the RAT.In this embodiment, with reference to Fig. 6, CMRBM unit 220 is in conjunction with the operation of the switchover policy function between the RAT of polymerization WTRU 210, to improve the execution of the switching between the RAT by the minimizing switching delay.CMRBM unit 220 each RAT battery management unit 230 of monitoring and RAT signal quality and the power management metrics (step 610) of polymerization WTRU 210.Based on the handover measurement between the RAT of polymerization WTRU 210, determine whether to expect the switching (step 620) between the RAT.For example, can expect from RAT network switch active session to having strong or improving the RAT network of link-quality with lower or link-quality of reducing.When in step 620, determining that expectation is switched, determine then whether target RAT processing unit 240 is in wake-up states (step 630).If target RAT processing unit is not in wake-up states, then target RAT battery management unit 230 is signaled in CMRBM unit 220, so that target RAT processing unit 240 is placed suitable wake-up states, to be used for switching (step 640).This can realize (being each RAT signalisation or configuration report) by the said method of reference Fig. 4 and Fig. 5.Then, target RAT processing unit is in wake-up states, the switching (step 650) that polymerization WTRU 210 carries out between the RAT.At last, each the RAT battery management unit 230 in polymerization WTRU 210 is signaled in CMRBM unit 220, thereby realizes minimal power consumption configuration (step 660).
For example, when using a RAT processing unit 240
1When polymerization WTRU 210 is in state of activation, but sensing link-quality, CMRBM unit 220 reduces (i.e. the preassigned that indication is switched), then CMRBM unit 220 requests the 2nd RAT battery management unit 230
2, perhaps a plurality of other RAT battery management units 230
2... 230
NAnd the current corresponding RAT processing unit 240 that is in resting state
1, 240
2... 240
N, to change into wake-up states.The RAT processing unit 240 of best link-quality can be selected to have in CMRBM unit 220
2... 240
N, or be suitable for handling use the one RAT processing unit 240 most
1The RAT processing unit 240 of the communication type that sends
2... 240
NBy this way, switching target RAT is in wake-up states, and prepares received communication, thereby minimizes switching delay.
Embodiment
1. method that in the aggregated wireless transmitter/receiver unit (WTRU) that can send and receive, is used for minimum power consumption by a plurality of radio access technologies (RAT), this method comprises:
Each of a plurality of RATs of a plurality of RAT particular battery administrative units to described WTRU is provided.
2. according to embodiment 1 described method, also comprise:
Monitor the power configuration of a plurality of RAT battery management units.
3. according to embodiment 2 described methods, also comprise:
Determine whether to expect power supply state changing.
4. according to embodiment 3 described methods, expect that wherein power supply state changing is in order to minimize the electrical source consumption of WTRU.
5. according to embodiment 1 described method, also comprise:
Based on determining the power supply state changing of request RAT battery management as a result.
6. according to embodiment 5 described methods, also comprise:
Receive the power supply state changing request at the RAT battery management unit.
7. according to embodiment 6 described methods, also comprise:
Based on the battery management agreement of RAT battery management unit, determine whether to implement the power supply state changing of being asked at the RAT battery management unit.
8. according to arbitrary described method among the embodiment 5-7, also comprise:
The RAT battery management unit indicates it to satisfy condition with the power supply state changing request.
9. according to arbitrary described method among the embodiment 3-8, wherein also determine whether to expect power supply state changing based on link quality metric.
10. according to embodiment 9 described methods,, then ask change at the power supply status of the RAT battery management unit related with this RAT if wherein the link quality metric of RAT is lower than predetermined threshold.
11., also comprise according to arbitrary described method among the embodiment 3-10:
Each RAT battery management unit is reported its power management configuration, wherein determines whether to expect power supply state changing based on this report.
12., wherein periodically repeat report by each RAT battery management unit according to embodiment 11 described methods.
13. the method according to described in arbitrary previous embodiment also comprises:
Determine whether to expect power supply state changing at each RAT battery management unit; With
When definite result for certainly the time, request is to changing the permission of power supply status.
14. according to embodiment 13 described methods, wherein
When receiving permission, the RAT battery management unit that changes at expectation state carries out power supply state changing.
15., wherein need to determine whether power supply state changing based on user preference according to arbitrary described method among the embodiment 3-14.
16. according to arbitrary described method among the embodiment 3-15, wherein the data rate based on a plurality of RAT need to determine whether power supply state changing.
17. according to arbitrary described method among the embodiment 3-16, wherein the inside RAT switchover policy based on polymerization WTRU need to determine whether power supply state changing.
18. an aggregated wireless transmitter/receiver unit (WTRU) comprising:
Transceiver; With
A plurality of radio access technologies (RAT) processing unit, each RAT processing unit combines with the transceiver of configuration, to send and to receive by different RAT.
19., also comprise according to embodiment 18 described WTRU:
A plurality of RAT battery management units all have one for each RAT processing unit.
20. according to embodiment 19 described WTRU, each in wherein a plurality of RAT battery management units is configured to the power supply status of each RAT processing unit of control.
21., also comprise according to arbitrary described WTRU among the embodiment 18-20:
Many RAT battery management (CMRBM) unit of regulating is configured to each of regulating described a plurality of RAT battery managements, with minimum power consumption.
22. according to embodiment 21 described WTRU, wherein the CMRBM unit is configured to:
Monitor the power configuration of a plurality of RAT battery management units.
23. according to embodiment 22 described WTRU, wherein the CMRBM unit also is configured to:
Determine whether to expect power supply state changing based on described monitoring, to minimize the electrical source consumption of WTRU.
24. according to embodiment 23 described WTRU, wherein the CMRBM unit also is configured to:
Based on determining the power supply state changing of request RAT battery management as a result.
25. according to arbitrary described WTRU among the embodiment 21-24, wherein each RAT battery management unit is configured to from the request of CMRBM unit reception power supply state changing.
26. according to embodiment 25 described WTRU, wherein each RAT battery management unit also is configured to agreement based on the RAT battery management unit and determines whether to implement the power supply state changing of being asked.
27. according to embodiment 25 or 26 described WTRU, wherein each RAT battery management unit also is configured to the power supply state changing required list and shows that it satisfies condition.
28. according to arbitrary described WTRU among the embodiment 21-24, wherein the CMRBM unit also is configured to based on link quality metric and determines whether to expect power supply state changing.
29. according to arbitrary described WTRU in embodiment 21-24 or 28, wherein the CMRBM unit also is configured to when the link quality metric of RAT is lower than predetermined threshold, then asks the change at the power supply status of given RAT battery management unit.
30. according to arbitrary described WTRU among embodiment 21-24 or the 28-29, wherein the CMRBM unit also is configured to based on this report and determines whether to expect power supply state changing.
31. according to arbitrary described WTRU among the embodiment 25-27, wherein each RAT battery management unit also is configured to its power management configuration of report.
32. according to embodiment 31 described WTRU, wherein this report is periodically repeated.
33. according to arbitrary described WTRU among embodiment 25-27 or the 31-32, wherein each RAT battery management unit also is configured to:
Determine whether to expect power supply state changing.
34. according to arbitrary described WTRU among embodiment 25-27 or the 31-33, wherein each RAT battery management unit also is configured to:
When definite result for certainly the time, request from the CMRBM unit to changing the permission of power supply status.
Claims (34)
1. method that in the aggregated wireless transmitter/receiver unit (WTRU) that can send and receive, is used for minimum power consumption by a plurality of radio access technologies (RAT), this WTRU has and is used for each RAT particular battery administrative unit of described a plurality of RAT, and this method comprises:
Monitor the power configuration of a plurality of RAT battery management units;
Determine whether to expect power supply state changing based on described monitoring, to minimize the electrical source consumption of described WTRU; And
Determine the power supply state changing of request RAT battery management unit as a result based on this.
2. method according to claim 1, this method also comprises:
Receive described power supply state changing request at the RAT battery management unit;
Based on the battery management agreement of described RAT battery management unit, determine whether to implement the power supply state changing of being asked at described RAT battery management unit.
3. method according to claim 2, this method also comprises:
Described RAT battery management unit indicates it to satisfy condition with described power supply state changing request.
4. method according to claim 1 wherein also determines whether to expect power supply state changing based on link quality metric.
5. method according to claim 4 if wherein the link quality metric of RAT is lower than predetermined threshold, is then asked the change at the power supply status of the RAT battery management unit related with this RAT.
6. method according to claim 1, this method also comprises:
Each RAT battery management unit is reported its power management configuration, wherein determines whether to expect power supply state changing based on this report.
7. method according to claim 6 wherein periodically repeats report by each RAT battery management unit.
8. method according to claim 1, this method also comprises:
Determine whether to expect power supply state changing at each RAT battery management unit; With
When described definite result for certainly the time, request is to changing the permission of power supply status.
9. method according to claim 8, this method also comprises:
When receiving permission, the RAT battery management unit that changes at expectation state carries out power supply state changing.
10. method according to claim 1 wherein need to determine whether power supply state changing based on user preference.
11. method according to claim 1, wherein the data rate based on a plurality of RAT need to determine whether power supply state changing.
12. method according to claim 1 wherein need to determine whether power supply state changing based on the switchover policy between the RAT of described polymerization WTRU.
13. an aggregated wireless transmitter/receiver unit (WTRU), this WTRU comprises:
Transceiver;
A plurality of radio access technologies (RAT) processing unit, each RAT processing unit combines with described transceiver, is configured to send and receive by different RAT;
A plurality of RAT battery management units all have one for each RAT processing unit, and it is configured to the power supply status of each RAT processing unit of control; And
Many RAT battery management (CMRBM) unit of regulating is configured to each of regulating described a plurality of RAT battery managements, with minimum power consumption.
14. polymerization WTRU according to claim 13, wherein the CMRBM unit is configured to:
Monitor the power configuration of a plurality of RAT battery management units;
Determine whether to expect power supply state changing based on described monitoring, to minimize the electrical source consumption of WTRU; With
Based on determining the power supply state changing of request RAT battery management as a result.
15. polymerization WTRU according to claim 13, wherein each RAT battery management unit is configured to and receives the power supply state changing request from described CMRBM unit, and determines whether to implement the power supply state changing of being asked based on the agreement of described RAT battery management unit.
16. polymerization WTRU according to claim 15, wherein each RAT battery management unit also is configured to described CMRBM unit satisfying condition with power supply state changing request described each the RAT battery management unit of indication.
17. polymerization WTRU according to claim 14, wherein said CMRBM unit also is configured to based on link quality metric and determines whether to expect power supply state changing.
18. polymerization WTRU according to claim 17, wherein said CMRBM unit also is configured to when the link quality metric of given RAT is lower than predetermined threshold, then asks the change at the power supply status of described given RAT battery management unit.
19. polymerization WTRU according to claim 14, wherein each RAT battery management unit also is configured to its power management configuration of report.
20. polymerization WTRU according to claim 19, wherein this report is periodically repeated.
21. polymerization WTRU according to claim 19, wherein said CMRBM unit also is configured to based on this report and determines whether to expect power supply state changing.
22. polymerization WTRU according to claim 13, wherein each RAT battery management unit also is configured to:
Determine whether to expect power supply state changing; And
When described definite result for certainly the time, request from described CMRBM unit to changing the permission of power supply status.
23. a machinable medium has and can be used to provide the multi radio access technology battery management of adjusting by one group of instruction of storing of aggregated wireless transmitter/receiver unit (WTRU) execution, this instruction comprises:
Instruction is used to monitor the power configuration of a plurality of RAT battery management units, determines whether to expect power supply state changing minimizing the electrical source consumption of described WTRU based on described monitoring, and determines the power supply state changing of request RAT battery management unit as a result based on this.
24. machinable medium according to claim 23, this machinable medium also comprises:
Instruction is used for receiving described power supply state changing request at the RAT battery management unit, and based on the battery management agreement of described RAT battery management unit, determines whether to implement the power supply state changing of being asked at described RAT battery management unit.
25. machinable medium according to claim 24, this machinable medium also comprises:
Instruction is used for the RAT battery management unit to indicate it to satisfy condition with described power supply state changing request.
26. machinable medium according to claim 23 wherein determines whether to expect power supply state changing based on link quality metric.
27. machinable medium according to claim 26, this machinable medium also comprises:
Instruction is used for determining whether the link quality metric of RAT is lower than predetermined threshold, and asks the change of the power supply status of the RAT battery management unit related with this RAT for certainly the time as described definite result.
28. machinable medium according to claim 23, this machinable medium also comprises:
Instruction is used for each RAT battery management unit and reports its power management configuration, wherein determines whether to expect power supply state changing based on this report.
29. machinable medium according to claim 28, this machinable medium also comprises:
Instruction is used for each RAT battery management unit periodically to repeat to report power management configuration.
30. machinable medium according to claim 23, this machinable medium also comprises:
Instruction is used for each RAT battery management unit and determines whether to expect power supply state changing, and when described definite result for certainly the time, the request of RAT battery management unit comes the permission to the change power supply status of self-regulating many RAT battery management (CMRBM) unit.
31. machinable medium according to claim 30, this machinable medium also comprises:
Instruction is used for when the permission that receives from described CMRBM unit, and the RAT battery management unit that changes at expectation state carries out power supply state changing.
32. machinable medium according to claim 23 wherein need to determine whether power supply state changing based on user preference.
33. machinable medium according to claim 23, wherein the data rate based on described a plurality of RAT need to determine whether power supply state changing.
34. machinable medium according to claim 23 wherein need to determine whether power supply state changing based on the switchover policy between the RAT of described polymerization WTRU.
Applications Claiming Priority (5)
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| US79919606P | 2006-05-10 | 2006-05-10 | |
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| US60/827,568 | 2006-09-29 | ||
| PCT/US2007/011076 WO2007133526A2 (en) | 2006-05-10 | 2007-05-08 | Method and apparatus for battery management in a converged wireless transmit/receive unit |
Publications (2)
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| CN101444131A true CN101444131A (en) | 2009-05-27 |
| CN101444131B CN101444131B (en) | 2012-04-18 |
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| CN2007800169287A Expired - Fee Related CN101444131B (en) | 2006-05-10 | 2007-05-08 | Method and apparatus for battery management in a converged wireless transmit/receive unit |
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| EP (1) | EP2027732A2 (en) |
| JP (1) | JP5036808B2 (en) |
| KR (2) | KR20090014201A (en) |
| CN (1) | CN101444131B (en) |
| TW (2) | TWI364918B (en) |
| WO (1) | WO2007133526A2 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5036808B2 (en) | 2012-09-26 |
| KR20090018732A (en) | 2009-02-20 |
| TW200814557A (en) | 2008-03-16 |
| KR20090014201A (en) | 2009-02-06 |
| WO2007133526A2 (en) | 2007-11-22 |
| KR101289601B1 (en) | 2013-08-07 |
| JP2009536804A (en) | 2009-10-15 |
| TWI423704B (en) | 2014-01-11 |
| CN101444131B (en) | 2012-04-18 |
| WO2007133526A3 (en) | 2008-03-06 |
| EP2027732A2 (en) | 2009-02-25 |
| TW200947888A (en) | 2009-11-16 |
| TWI364918B (en) | 2012-05-21 |
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