CN105472535B - The configuration method of connection mode discontinuous transmission for MTC user equipment - Google Patents
The configuration method of connection mode discontinuous transmission for MTC user equipment Download PDFInfo
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- CN105472535B CN105472535B CN201410504449.1A CN201410504449A CN105472535B CN 105472535 B CN105472535 B CN 105472535B CN 201410504449 A CN201410504449 A CN 201410504449A CN 105472535 B CN105472535 B CN 105472535B
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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
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Abstract
The present invention relates to a kind of configuration method of connection mode discontinuous transmission for the machine type communication user equipment in wireless communication system, sub-frame configuration that the method includes the user equipmenies since corresponding base station receives predefined wake-up sub-frame configuration and Physical Downlink Control Channel is duplicate；And the user equipment configures the practical wake-up subframe of the user equipment according to the wake-up sub-frame configuration and the comparison result for starting sub-frame configuration.Configuration method according to the present invention innovatively reconfigures DRX cycle according to waking up sub-frame configuration and starting the practical comparison of sub-frame configuration using user equipment when needed; so that it is guaranteed that the Physical Downlink Control Channel that machine type communication user equipment can more reliably receive corresponding base station repeats, and then improve the performance for wireless communications of whole system.
Description
Technical field
The present invention relates to wireless communication techniques, and in particular, to a kind of machine type communication in wireless communication system
The configuration method of the connection mode discontinuous transmission of user equipment.
Background technique
Nowadays the Rel-12 work item started is " for the low cost of LTE network and the MTC (machine type of enhancing coverage area
Communication) user equipment " one of target be to complete the improvement of the coverage area corresponding to 15dB.According to TR36.888 and
From the point of view of nearest discussion in 3GPP, the repetition transmission in time domain has been adopted to realize the main of coverage area enhancing (CE)
Method.Furthermore the improved three coverage area enhancings level of the coverage area for being respectively corresponding to 5dB, 10dB and 15dB can be by
It introduces to be classified spectrum utilization efficiency.
Because of repetition in the time domain, need to enhance the existing of the MTC user equipment for coverage area enhancing
DRX mechanism under connection mode, reason are the duplicate MTC use for starting subframe and being limited at coverage area enhancing of (e) PDCCH
On a subset of the subframe of family equipment.Furthermore (e) the duplicate beginning subframe of PDCCH will be related to repeating horizontal (start
Subframe will be the function of the repetition level of (e) PDCCH).Among existing standard, if the DRX under connection mode is configured
User equipment be waken up on the subframe limited in advance in each DRX cycle and monitor PDCCH until
Time in OnDurationTimer timer is excessively complete.However, DRX mould of the MTC user equipment of coverage area enhancing in connection
The wake-up subframe limited in advance under formula is consistent with the duplicate beginning subframe of (E) PDCCH.
Fig. 1 shows the configuration diagram 100 of the DRX cycle of the connection mode discontinuous transmission according to the prior art.Such as Fig. 1 institute
Showing, user equipment is waken up when DRX cycle starts and begins listening for (e) PDCCH transmitted by corresponding base station, but by
Different (e) PDCCH is necessarily caused to repeat time slot in different enhancing levels, such configuration cannot ensure that machine type communication is used
Family equipment can centainly receive corresponding (e) PDCCH.
Summary of the invention
According to it is above-mentioned to background technique and understanding, the invention proposes one kind be used for channel radio
The configuration method of the connection mode discontinuous transmission of machine type communication user equipment in letter system, which comprises
A) user equipment receives predefined wake-up sub-frame configuration and Physical Downlink Control Channel from corresponding base station
Duplicate beginning sub-frame configuration；And
B) user equipment configures institute according to the wake-up sub-frame configuration and the comparison result for starting sub-frame configuration
State the practical wake-up subframe of user equipment.
Configuration method according to the present invention utilizes user equipment innovatively to match according to wake-up sub-frame configuration and beginning subframe
The practical comparison set reconfigures DRX cycle when needed, so that it is guaranteed that machine type communication user equipment can be more reliable
The Physical Downlink Control Channel that ground receives corresponding base station repeats, and then improves the performance for wireless communications of whole system.
In one embodiment according to the present invention, in the step b):
When first subframe of first subframe for waking up sub-frame configuration and the beginning sub-frame configuration is inconsistent,
The Physical Downlink Control Channel duplicate beginning subframe nearest from predefined wake-up sub-frame configuration is selected as the user to set
Standby practical wake-up subframe.
It in this way can be neatly by the Physical Downlink Control Channel nearest from predefined wake-up sub-frame configuration
The duplicate practical wake-up subframe for starting subframe and being selected as the user equipment, the practical wake-up subframe of the user equipment can either
Be it is predefined wake-up sub-frame configuration before beginnings subframe also can be it is predefined wake up sub-frame configuration after opening
Beginning subframe.
In one embodiment according to the present invention, in the step b):
When first subframe of first subframe for waking up sub-frame configuration and the beginning sub-frame configuration is inconsistent,
The duplicate beginning subframe of Physical Downlink Control Channel after predefined wake-up sub-frame configuration is selected as the user equipment
Practical wake-up subframe.
In this way by duplicate beginning of Physical Downlink Control Channel after predefined wake-up sub-frame configuration
The practical wake-up subframe that frame is selected as the user equipment may bring certain time delay, it is contemplated that machine type communication is used
The communication that family equipment is carried out is generally the insensitive communication type of time delay, so such time delay is acceptable.
In one embodiment according to the present invention, will according to the duplicate levels of repetition of the Physical Downlink Control Channel come
Form the duplicate beginning sub-frame configuration of the Physical Downlink Control Channel.
In one embodiment according to the present invention, the duplicate levels of repetition of Physical Downlink Control Channel be 5dB,
10dB or 15dB.
In one embodiment according to the present invention, no less than it is used for for the number of sub frames for waking up sub-frame configuration described
The duplicate number of sub frames for starting sub-frame configuration of Physical Downlink Control Channel.
In one embodiment according to the present invention, the user equipment judge onDurationTimer timer when
Between whether be more than or equal to the Physical Downlink Control Channel it is duplicate start sub-frame configuration duration and
The time of onDurationTimer timer be less than the Physical Downlink Control Channel it is duplicate start sub-frame configuration it is lasting when
Between when adjust the user equipment onDurationTimer timer time so that be used for the wake-up sub-frame configuration
Number of sub frames be no less than be used for the Physical Downlink Control Channel it is duplicate start sub-frame configuration number of sub frames.
In one embodiment according to the present invention, the physical downlink control channel PDCCH repeats to be enhanced object
Down control channel (e) PDCCH is managed to repeat.
Configuration method according to the present invention utilizes user equipment innovatively to match according to wake-up sub-frame configuration and beginning subframe
The practical comparison set reconfigures DRX cycle when needed, so that it is guaranteed that machine type communication user equipment can be more reliable
The Physical Downlink Control Channel that ground receives corresponding base station repeats, and then improves the performance for wireless communications of whole system.
Detailed description of the invention
The following detailed description to non-limiting embodiment, other spies of the invention are read by referring to accompanying drawing
Sign, objects and advantages will become more apparent upon.
Fig. 1 shows the configuration diagram 100 of the DRX cycle of the connection mode discontinuous transmission according to the prior art；
Fig. 2 shows the flow charts 200 of method according to the present invention；
Fig. 3 shows the schematic diagram 300 of one embodiment according to the present invention；And
Fig. 4 shows the schematic diagram 400 of another embodiment according to the present invention.
Run through different diagrams in the figure, same or similar appended drawing reference indicates the same or similar device (module)
Or step.
Specific embodiment
In the following detailed description of the preferred embodiment, reference is constituted to the appended attached drawing of present invention a part.Institute
Attached attached drawing, which has been illustrated by way of example, can be realized specific embodiment.Exemplary embodiment is not intended to
Exhaustive all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, can use other
Embodiment can also carry out the modification of structure or logic.Therefore, it is below specific descriptions and it is unrestricted, and this
The range of invention is defined by the claims appended hereto.
Fig. 1 shows the configuration diagram 100 of the DRX cycle of the connection mode discontinuous transmission according to the prior art, and the figure is
Through being illustrated in background technology part, therefore details are not described herein to avoid unnecessary repetition.
Fig. 2 shows the flow charts 200 of method according to the present invention.It can be seen from the figure that this is used to wirelessly communicate is
The configuration method 200 of the connection mode discontinuous transmission of machine type communication user equipment in system the following steps are included:
Firstly, in step 210, user equipment receives under predefined wake-up sub-frame configuration and physics from corresponding base station
The duplicate beginning sub-frame configuration of row control channel；And
Then, in a step 220, which matches according to the comparison result for waking up sub-frame configuration and beginning sub-frame configuration
Set the practical wake-up subframe of user equipment.
Configuration method according to the present invention utilizes user equipment innovatively to match according to wake-up sub-frame configuration and beginning subframe
The practical comparison set reconfigures DRX cycle when needed, so that it is guaranteed that machine type communication user equipment can be more reliable
The Physical Downlink Control Channel that ground receives corresponding base station repeats, and then improves the performance for wireless communications of whole system.
Fig. 3 shows the schematic diagram 300 of one embodiment according to the present invention；And Fig. 4 is shown according to the present invention
The schematic diagram 400 of another embodiment.Configuration method according to the present invention is illustrated respectively in connection with Fig. 3 and Fig. 4 with Fig. 2 below
Implementation.
According to one embodiment described in Fig. 3, in a step 220:
It, will be from predetermined when first subframe for waking up sub-frame configuration and inconsistent first subframe for starting sub-frame configuration
The duplicate practical wake-up for starting subframe and being selected as user equipment of the nearest Physical Downlink Control Channel of the wake-up sub-frame configuration of justice
Subframe.
It in this way can be neatly by the Physical Downlink Control Channel nearest from predefined wake-up sub-frame configuration
The duplicate subframe that starts is selected as the practical wake-up subframe of user equipment, the practical wake-up subframe of the user equipment can either be
Beginning subframe before predefined wake-up sub-frame configuration also can be beginning after predefined wake-up sub-frame configuration
Frame.
Specifically, as can be seen from the figure start at predefined wake-up subframe 301, but have before it from predetermined
The nearest PDCCH of the wake-up subframe 301 of justice repeats to start subframe 302, in this case, that is, wakes up first of sub-frame configuration
Subframe 301 and first subframe 302 for starting sub-frame configuration are inconsistent, at this time will be from predefined wake-up sub-frame configuration 301 most
The duplicate practical wake-up subframe 302 for starting subframe 302 and being selected as user equipment of close Physical Downlink Control Channel.
According to one embodiment described in Fig. 4, in a step 220:
When first subframe for waking up sub-frame configuration and inconsistent first subframe for starting sub-frame configuration, will predefine
Wake-up sub-frame configuration after Physical Downlink Control Channel it is duplicate start subframe be selected as user equipment practical wake-up son
Frame.
In this way by duplicate beginning of Physical Downlink Control Channel after predefined wake-up sub-frame configuration
The practical wake-up subframe that frame is selected as user equipment may bring certain time delay, it is contemplated that machine type communication user sets
The standby communication carried out is generally the insensitive communication type of time delay, so such time delay is acceptable.
Specifically, as can be seen from the figure start at predefined wake-up subframe 401, but in predefined wake-up subframe
There is after 401 PDCCH to repeat to start subframe 402, in this case, i.e., first subframe 401 of wake-up sub-frame configuration with
First subframe 402 for starting sub-frame configuration is inconsistent, at this time by the physical down after predefined wake-up sub-frame configuration 401
The duplicate practical wake-up subframe 402 for starting subframe 402 and being selected as user equipment of control channel.
In one embodiment according to the present invention, it will be formed according to the duplicate levels of repetition of Physical Downlink Control Channel
The duplicate beginning sub-frame configuration of Physical Downlink Control Channel.That is, the duplicate beginning subframe of Physical Downlink Control Channel is matched
Set to be the function of the duplicate levels of repetition of Physical Downlink Control Channel, the i.e. duplicate beginning subframe of Physical Downlink Control Channel
Configuration changes according to the duplicate levels of repetition of Physical Downlink Control Channel.
In one embodiment according to the present invention, the duplicate levels of repetition of Physical Downlink Control Channel be 5dB, 10dB or
Person 15dB.
In one embodiment according to the present invention, the number of sub frames for waking up sub-frame configuration is no less than used for physical down
The duplicate number of sub frames for starting sub-frame configuration of control channel.
In one embodiment according to the present invention, user equipment judges that the time of onDurationTimer timer is
It is no to be more than or equal to the Physical Downlink Control Channel duplicate duration for starting sub-frame configuration and determine in onDurationTimer
When device time adjustment user equipment when being less than Physical Downlink Control Channel duplicate duration for starting sub-frame configuration
The time of onDurationTimer timer, so that the number of sub frames for waking up sub-frame configuration is no less than used for physical down
The duplicate number of sub frames for starting sub-frame configuration of control channel.
In one embodiment according to the present invention, physical downlink control channel PDCCH repeats to be under enhanced physics
Row control channel (e) PDCCH is repeated.
Configuration method according to the present invention utilizes user equipment innovatively to match according to wake-up sub-frame configuration and beginning subframe
The practical comparison set reconfigures DRX cycle when needed, so that it is guaranteed that machine type communication user equipment can be more reliable
The Physical Downlink Control Channel that ground receives corresponding base station repeats, and then improves the performance for wireless communications of whole system.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
How from the point of view of, the present embodiments are to be considered as illustrative and not restrictive.In addition, it will be evident that " including a word
Be not excluded for other elements and steps, and wording "one" be not excluded for plural number.The multiple element stated in device claim
It can be implemented by one element.The first, the second equal words are used to indicate names, and are not indicated any particular order.
Claims (8)
1. a kind of configuration side of the connection mode discontinuous transmission for the machine type communication user equipment in wireless communication system
Method, which comprises
A) user equipment receives predefined wake-up sub-frame configuration from corresponding base station and Physical Downlink Control Channel repeats
Beginning sub-frame configuration；And
B) user equipment configures the use according to the wake-up sub-frame configuration and the comparison result for starting sub-frame configuration
The practical wake-up subframe of family equipment.
2. configuration method according to claim 1, wherein in the step b):
When first subframe for waking up sub-frame configuration and it is described start sub-frame configuration first subframe it is inconsistent when, will be from
The predefined nearest duplicate beginning subframe of Physical Downlink Control Channel of sub-frame configuration that wakes up is selected as the user equipment
It is practical to wake up subframe.
3. configuration method according to claim 1, wherein in the step b):
It, will be pre- when first subframe of first subframe for waking up sub-frame configuration and the beginning sub-frame configuration is inconsistent
The duplicate reality for starting subframe and being selected as the user equipment of Physical Downlink Control Channel after the wake-up sub-frame configuration of definition
Border wakes up subframe.
4. configuration method according to claim 1, wherein will be according to duplicate repetition of the Physical Downlink Control Channel etc.
Grade forms the duplicate beginning sub-frame configuration of the Physical Downlink Control Channel.
5. configuration method according to claim 1, wherein the duplicate levels of repetition of Physical Downlink Control Channel is
5dB, 10dB or 15dB.
6. configuration method according to claim 1, wherein be no less than used for for the number of sub frames for waking up sub-frame configuration
The duplicate number of sub frames for starting sub-frame configuration of the Physical Downlink Control Channel.
7. configuration method according to claim 1, wherein the user equipment judges onDurationTimer timer
Time whether be more than or equal to the Physical Downlink Control Channel it is duplicate start sub-frame configuration duration and
The time of onDurationTimer timer be less than the Physical Downlink Control Channel it is duplicate start sub-frame configuration it is lasting when
Between when adjust the user equipment onDurationTimer timer time so that be used for the wake-up sub-frame configuration
Number of sub frames be no less than be used for the Physical Downlink Control Channel it is duplicate start sub-frame configuration number of sub frames.
8. configuration method according to any one of claim 1 to 7, wherein the Physical Downlink Control Channel repeat be
Enhanced Physical Downlink Control Channel repeats.
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| CN201410504449.1A CN105472535B (en) | 2014-09-26 | 2014-09-26 | The configuration method of connection mode discontinuous transmission for MTC user equipment |
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| CN201410504449.1A CN105472535B (en) | 2014-09-26 | 2014-09-26 | The configuration method of connection mode discontinuous transmission for MTC user equipment |
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| WO2018063282A1 (en) | 2016-09-30 | 2018-04-05 | Nokia Solutions And Networks Oy | Enhanced machine type communication radio resource management requirements based on machine type communication physical downlink control channel monitoring |
| JP7036907B2 (en) | 2017-09-28 | 2022-03-15 | ５ジー アイピー ホールディングス エルエルシー | Devices and methods for controlling intermittent reception in the new radio |
| CN111182627A (en) * | 2018-11-09 | 2020-05-19 | 华为技术有限公司 | Method for receiving signal, method for transmitting signal and device thereof |
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| CN102595440A (en) * | 2011-01-07 | 2012-07-18 | 华为技术有限公司 | Discontinuous reception method, user equipment (UE) and base station |
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