CN104918316B - Detection method, modification method and the user equipment of timing control order - Google Patents
Detection method, modification method and the user equipment of timing control order Download PDFInfo
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- CN104918316B CN104918316B CN201410085551.2A CN201410085551A CN104918316B CN 104918316 B CN104918316 B CN 104918316B CN 201410085551 A CN201410085551 A CN 201410085551A CN 104918316 B CN104918316 B CN 104918316B
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Abstract
Detection method, modification method and the user equipment of timing control order, timing control order is sent to user equipment by base station to adjust the uplink transmission timing of the user equipment, and the modification method of one of timing control order includes: received timing control order of institute at present is corrected according to the movement speed of the user equipment；And the uplink transmission timing of the user equipment is determined according to the revised timing control order.The present invention can voluntarily detect and correct abnormal timing control order transmitted by base station, and determine uplink transmission timing according to revised timing control order, reduce the error probability of uplink synchronous adjustment.
Description
Technical field
The present invention relates to the control of uplink transmission timing, especially one kind, and base station is detected and corrected and is sent to user equipment
(User Equipment, UE) is to adjust method and the relevant use of the timing control order of the uplink transmission timing of user equipment
Family equipment.
Background technique
Time Division-Synchronous Code Division Multiple Access (Time Division-Synchronous Code Division Multiple
Access, TD-SCDMA), it is International Telecommunication Union (International Telecommunication Union, ITU) institute
A kind of third generation similar to CDMA2000 and WCDMA of formulation wirelessly communicates (Third Generation Mobile
Communication, 3G) technology, have the advantages that high spectrum utilization and low cost.
Uplink synchronous (Uplink Synchronization) is a key technology in TD-SCDMA, and so-called uplink is same
Step refers to that base station measures the receiving time for the uplink signal that a user equipment is sent, and obtains the user equipment estimated
Position, and the location of user equipment is compared with the target position of default, to generate simultaneous bias according to comparison result
(Synchronous Shift, SS) is ordered and is sent to the user equipment.Then, which can be based on the received
The synch command adjusts uplink sending time.
Referring to FIG. 1, Fig. 1 is the schematic diagram that TD-SCDMA system carries out uplink synchronous.As shown in Figure 1, in time TS0
In, TD-SCDMA system carries out the operation of downlink, that is, user equipment end receives data from base station end, and wherein user equipment terminates
The time for receiving data can postpone to issue the time of data in base station end.In addition, user equipment can utilize descending pilot frequency time slot
Downlink synchronous signal SYNC DL on (Downlink Pilot Time Slot, DwPTS) establishes down-going synchronous, Yi Jili
Uplink is established with the uplink synchronizing signals SYNC UL on uplink pilot time slot (Uplink Pilot Time Slot, UpPTS)
Synchronous, wherein guard time (Guard Period, GP) is protected for carrying out the conversion time of uplink and downlink switching, under solving
Row is converted to the delay effect of uplink.Later in time TS1, TD-SCDMA system then will do it the operation of uplink, and base station
The signal sent according to user equipment, adjustment amount needed for calculating sending time user equipment next time, and pass through simultaneous bias
Order is sent to user equipment, and wherein the upstream time retardation between base station and user equipment is TA.Then, user equipment is held
The simultaneous bias order of row base station, adjustment uplink sending time lead (Timing Advance) they are TA ', whereinTc is chip period (time of the chip) and 1Tc=1/ (1.28M).
However, in practical application, above-mentioned TD-SCDMA system can be difficult to correctly to adjust uplink sending time lead (with
And so-called TA tune fly phenomenon), if such as base station always to user equipment send to the same direction adjust simultaneous bias order
(such as uplink sending time lead can constantly be incremented by), user equipment execute the simultaneous bias order added up in a period of time
Afterwards, it will lead to base station and receive the adjustment signal from user equipment end mistake, such as uplink sending time lead TA ' is adjusted
Whole is TA'=TA+10Tc, other than the reception window for causing real useful signal to be adjusted to (i.e. so-called exit window phenomenon), thus
Lead to user equipment and base station asynchronous (non-synchronous), finally causes the call drop phenomenon in communication.
Summary of the invention
Therefore, the purpose of the present invention is to provide detection method, modification method and the use of at least one timing control order
Family equipment, to solve above-mentioned TD-SCDMA system in the prior art when carrying out uplink synchronous, the TA tune of user equipment flies phenomenon.
An embodiment according to the present invention discloses a kind of modification method of timing control order, the timing control order
User equipment is sent to by base station, to adjust the uplink transmission timing of the user equipment, the amendment side of the timing control order
Method includes: received timing control order of institute at present is corrected according to the movement speed of the user equipment；And according to amendment
The timing control order afterwards determines the uplink transmission timing of the user equipment.Timing control according to an embodiment of the invention
The modification method of order, the movement speed of the user equipment are the current movement speed of the user equipment, Yi Jigen
The step of received timing control order of institute at present is corrected according to the movement speed of the user equipment includes: according to
The current movement speed of the user equipment calculates uplink sending time lead.When according to another embodiment of the present invention
The modification method of sequence control command, the movement speed of the user equipment are the maximum movement speed of the user equipment,
And the step of received timing control order of institute at present is corrected according to the movement speed of user equipment packet
Contain: according to the uplink sending time lead that the maximum movement speed setting of the user equipment is fixed.According to the present invention
The modification method of the timing control order of another embodiment, further includes: the uplink transmission power of the user equipment is turned up,
To promote the timing control order transmitted by the base station modification next time.
A kind of modification method of timing control order, the timing control life are disclosed according to another embodiment of the present invention
It enables and user equipment is sent to by base station, to adjust the uplink transmission timing of the user equipment, the amendment of the timing control order
Method includes: received timing control order of institute at present is corrected according to the downlink timing variations amount of the user equipment；And
The uplink transmission timing of the user equipment is determined according to the revised timing control order.It is according to an embodiment of the invention
The modification method of timing control order, further includes: the uplink transmission power of the user equipment is turned up, to promote the base
The timing control order transmitted by modification of standing is next.
A kind of modification method of timing control order, the timing control life are disclosed according to another embodiment of the present invention
It enables and user equipment is sent to by base station, to adjust the uplink transmission timing of the user equipment, the amendment of the timing control order
Method includes: the uplink transmission power of the user equipment is turned up, to promote the timing control transmitted by base station modification next time
Order；And the uplink transmission timing of the user equipment is determined according to the revised timing control order.
A kind of detection method of timing control order, the timing control life are disclosed according to another embodiment of the present invention
It enables and user equipment is sent to by base station, to adjust the uplink transmission timing of the user equipment, the detection of the timing control order
Method includes: statistics receives the quantity of the timing control order from the base station in the given time；Compare timing control life
The quantity and threshold value of order, to determine whether aberrant commands condition meets；And when the aberrant commands condition meets, which is set
It is standby to judge to be abnormal from the received timing control order of base station institute.Timing control order according to an embodiment of the invention
Detection method, wherein the size of the length of the predetermined time and the threshold value is the mobile speed according to the user equipment
Degree is to determine.
A kind of detection method of timing control order, the timing control life are disclosed according to another embodiment of the present invention
It enables and user equipment is sent to by base station, to adjust the uplink transmission timing of the user equipment, the detection of the timing control order
Method includes: only whether multiple timing control orders from the base station gradually adjust to single direction in the given time for judgement
The uplink transmission timing of the user equipment, to determine whether aberrant commands condition meets；And when the aberrant commands condition meets
When, which judges to be abnormal from the received timing control order of base station institute.It is according to an embodiment of the invention
The detection method of timing control order, wherein the length of the predetermined time is determined according to the movement speed of the user equipment
It is fixed.
A kind of detection method of timing control order, the timing control life are disclosed according to another embodiment of the present invention
It enables and user equipment is sent to by base station, to adjust the uplink transmission timing of the user equipment, the detection of the timing control order
Method includes: detecting the user equipment nearby whether there is the uplink transmission power for having uplink transmission power to be greater than the user equipment
Another user equipment, to determine whether aberrant commands condition meets；And when the aberrant commands condition meets, which is set
It is standby to judge to be abnormal from the received timing control order of base station institute.
A kind of user equipment is disclosed according to another embodiment of the present invention, includes detection module and correction module.It should
Detection module is sent to the user equipment to detect base station to adjust the timing control of the uplink transmission timing of the user equipment
Order, wherein detection module statistics receives the quantity of the timing control order from the base station in the given time, and compares
Compared with the quantity and threshold value of the timing control order, to determine whether the timing control order meets aberrant commands condition.The amendment
Module is to correct the timing control order transmitted by the base station, and according to amendment when the aberrant commands condition meets
The timing control order afterwards determines the uplink transmission timing of the user equipment.
A kind of user equipment is disclosed according to another embodiment of the present invention, includes detection module and correction module.It should
Detection module is sent to the user equipment to detect base station to adjust the timing control of the uplink transmission timing of the user equipment
Order, wherein whether only the detection module judges the single direction of multiple timing control orders from the base station in the given time
Ground gradually adjusts the uplink transmission timing of the user equipment, to determine whether the timing control order meets aberrant commands condition.
The correction module is to correct the timing control order, Yi Jigen transmitted by the base station when the aberrant commands condition meets
The uplink transmission timing of the user equipment is determined according to the revised timing control order.
A kind of user equipment is disclosed according to another embodiment of the present invention, includes detection module and correction module.It should
Detection module is sent to the user equipment to detect base station to adjust the timing control of the uplink transmission timing of the user equipment
Order, wherein the detection module, which is detected to whether there is near the user equipment, has uplink transmission power to be greater than the upper of the user equipment
Row sends another user equipment of power, to determine whether the timing control order meets aberrant commands condition.The correction module
To correct the timing control order transmitted by the base station, and according to revised when the aberrant commands condition meets
The timing control order determines the uplink transmission timing of the user equipment.
In conclusion detection method, modification method and the user of at least one timing control order provided by the present invention
Equipment can voluntarily detect whether timing control order transmitted by base station is abnormal, and order when detecting abnormal timing control
When enabling, timing control order transmitted by user equipment meeting active correction base station of the invention, and according to revised timing control
System orders to determine uplink transmission timing, therefore when user equipment executes uplink synchronous, the uplink transmission timing of user equipment
The situation mistakenly adjusted can be improved, to reduce the error probability of uplink synchronous adjustment.
Detailed description of the invention
Fig. 1 is the schematic diagram that TD-SCDMA system carries out uplink synchronous.
Fig. 2 is the schematic diagram of the user equipment of one embodiment of the invention.
Fig. 3 is detection and the modification method flow chart of the timing control order according to one embodiment of the invention.
Fig. 4 is detection and the modification method flow chart of the timing control order according to one embodiment of the invention.
Fig. 5 is detection and the modification method flow chart of the timing control order according to one embodiment of the invention.
Fig. 6 is detection and the modification method flow chart of the timing control order according to one embodiment of the invention.
Fig. 7 is detection and the modification method flow chart of the timing control order according to one embodiment of the invention.
Fig. 8 is detection and the modification method flow chart of the timing control order according to one embodiment of the invention.
Specific embodiment
Some vocabulary is used in the specification and claims to censure specific component.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims not with
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Logical
The "comprising" and " comprising " of specification and claim mentioned in are an open term, thus should be construed to " include
But it is not limited to "." substantially " refer to that within an acceptable error range, those skilled in the art can be within a certain error range
The technical problem is solved, the technical effect is basically reached.In addition, " coupling " word includes any directly and indirect herein
Means of electrical connection.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can be direct
It is electrically connected at the second device, or is electrically connected to the second device indirectly by other devices or connection means.Below
The preferred mode of the invention for implementation, it is therefore intended that illustrate spirit of the invention rather than to limit protection model of the invention
It encloses, protection scope of the present invention is subject to view appended claims institute defender.
Some vocabulary has been used in specification and subsequent claim to censure specific component.This field
Technical staff is, it is to be appreciated that hardware manufacturer may call same component with different nouns.This specification and subsequent
Claim not by the difference of title as distinguish component in a manner of, but with the difference of component functionally come
Criterion as differentiation.It is an open use in the "comprising" of specification in the whole text and subsequent claim mentioned in
Language, therefore should be construed to " including but not limited to ".In addition, " coupling " word includes any direct and indirectly electrical connection herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly be electrically connected
It is electrically connected indirectly in the second device, or by other devices or connection means to the second device.
Referring to FIG. 2, Fig. 2 is the schematic diagram of the user equipment 200 of one embodiment of the invention.User equipment 200 is appreciated that
For common mobile phone, however, the present invention is not limited thereto, user equipment 200 can also be other communication devices (such as any support TD-
The electronic device of SCDMA system).User equipment 200 may include processor and storage device (such as memory), wherein memory by
It controls in processor, and memory storage has program code.User equipment 200 can be communicated with base station 201, such as pass through TD-
SCDMA communication protocol carries out uplink transmission and downlink reception.It note that the invention is not limited to TD-SCDMA system, appoint
What is subordinate to using the disclosed user equipment that the method for timing control order transmitted by base station is detected and corrected
In scope of the invention.
In addition, user equipment 200 includes detection module 230 and correction module 220.Detection module 230 is to detect base
It stands and 201 is sent to user equipment 200 to adjust the timing control order of the uplink transmission timing of user equipment 200, to determine this
Whether timing control order meets aberrant commands condition.Correction module 220 is to correct base when the aberrant commands condition meets
It stands the timing control order transmitted by 201, and user equipment 200 is determined according to the revised timing control order
Uplink transmission timing.
Referring to FIG. 3, Fig. 3 is the detection and modification method process of the timing control order according to one embodiment of the invention
Figure, this method can user equipment 200 as shown in Figure 2 execute, wherein shown in Fig. 3 shown in steps are as follows:
Step 302: checking that base station is sent to user equipment to adjust the timing control of the uplink transmission timing of the user equipment
Whether system order meets aberrant commands condition.
Step 304: correct timing control order transmitted by the base station, and according to revised timing control order come
Determine the uplink transmission timing of the user equipment.
For example, Time Division-Synchronous Code Division Multiple Access is used between user equipment 200 and base station 201, in addition, when above-mentioned
Sequence control command can be simultaneous bias order.The present invention, which does not limit step 302, to check timing control using ad hoc approach
Whether order meets aberrant commands condition, when also not limiting step 304 must be corrected transmitted by base station using ad hoc approach
Sequence control command.In order to help to understand the process of user equipment 200, the present invention enumerates following multiple embodiments, however those
Embodiment is used only as the purpose of explanation, is not intended as limitation of the invention.
Referring to FIG. 4, Fig. 4 is the detection and modification method process of the timing control order according to one embodiment of the invention
Figure, wherein Fig. 4 can be considered that steps are as follows based on a change case made by process shown in Fig. 3:
Step 402: comparing the quantity and a threshold value of timing control order, to determine whether aberrant commands condition meets.
Step 404: when the aberrant commands condition meets, user equipment judges the timing control command received from base station
It is abnormal.
Step 406: when correcting that institute is received at present according to the current movement speed of user equipment or maximum movement speed
Sequence control command.
Step 408: the uplink transmission timing of user equipment is determined according to revised timing control order.
The method whether Fig. 4 is met using the first detection aberrant commands condition, in step 402,230 meeting of detection module
It receives the quantity of the timing control order from base station 201 in the given time by counting, and compares timing control life
The quantity of order determines whether the aberrant commands condition meets with a threshold value.For example, when base station 201 is issued in the predetermined time
The quantity of timing control order when being greater than the threshold value, detection module 230 is that can determine that timing control at present from base station 201
Order (such as simultaneous bias order) meets the aberrant commands condition and needs suitably to correct (step 404), because if user
Equipment 200 persistently receives excessive timing control order, may cause user equipment 200 and is adjusted to uplink sending time excessively
In advance, that is, aforementioned problem encountered in the prior art.It note that the length of the predetermined time and the size of the threshold value
It can be determined according to the current movement speed of user equipment 200 or maximum movement speed, however, the present invention is not limited thereto, the pre- timing
Between length can be determined according to practical application request.
In a step 406, timing control order transmitted by base station 201 is corrected by user equipment 200, and in step
Rapid 408 determine the uplink transmission timing of user equipment 200 according to revised timing control order, especially, according to user
The current movement speed of equipment 200 or maximum movement speed correct the received timing control order of institute at present.In other words, user
Timing control order that the uplink transmission timing of equipment 200 does not transmit actually according to base station 201 directly determines, but can root
It is adjusted according to the state of user equipment 200 itself.
For example, it can be taken by various sensing mechanism about the information of the current movement speed of user equipment 200
, or estimated according to the variation of signal strength, after learning the current movement speed of user equipment 200, it can calculate accordingly
Possible uplink sending time lead (Timing Advance).In addition, 200 maximum possible movement speed of user equipment can be with
It is interpreted as, user on the electric car that high speed is advanced using its mobile phone when being communicated, maximum electric car row allowed by the mobile phone
Into speed, after learning the maximum possible movement speed of user equipment 200, a fixed uplink sending time can be set accordingly and mentioned
Preceding amount.
Referring to FIG. 5, Fig. 5 is the detection and modification method process of the timing control order according to one embodiment of the invention
Figure, wherein Fig. 5 can be considered that steps are as follows based on another change case made by process shown in Fig. 3:
Step 502: judging multiple timing control orders within a predetermined time from base station whether only single direction
The uplink transmission timing of user equipment is adjusted, gradually to determine whether aberrant commands condition meets.
Step 504: when the aberrant commands condition meets, user equipment judges the timing control command received from base station
It is abnormal.
Step 506: when correcting that institute is received at present according to the current movement speed of user equipment or maximum movement speed
Sequence control command.
Step 508: the uplink transmission timing of user equipment is determined according to revised timing control order.
The method whether Fig. 5 is met using second of detection aberrant commands condition, in step 502,230 meeting of detection module
By judging whether only multiple timing control orders from base station 201 in the given time gradually adjust user to single direction
The uplink transmission timing of equipment 200, to determine whether the aberrant commands condition meets.For example, if base station 201 continuously transmit when
Sequence control command (such as synch command) only continuously adjusts forward uplink sending time, without sending uplink
Time is adjusted to delay, and detection module 230 can determine that (such as the simultaneous bias of the timing control order from base station 201 at present
Order) meet the aberrant commands condition and needs suitably to correct, because if only to uplink sending time within the predetermined time
Make unidirectional adjustment, then will lead to uplink sending time and excessively shift to an earlier date, that is, aforementioned problem encountered in the prior art.
Other, which will be similar to the step of previous embodiment, to omit in this embodiment, repeat no more.
Referring to FIG. 6, Fig. 6 is the detection and modification method process of the timing control order according to one embodiment of the invention
Figure, wherein Fig. 6 can be considered that steps are as follows based on a change case made by process shown in Fig. 3:
Step 602: comparing the quantity and a threshold value of timing control order, to determine whether aberrant commands condition meets.
Step 604: when the aberrant commands condition meets, user equipment judges the timing control command received from base station
It is abnormal.
Step 606: the received timing control order of institute at present is corrected according to the downlink timing variations amount of user equipment.
Step 608: the uplink transmission timing of user equipment is determined according to revised timing control order.
Shown in the method whether Fig. 6 meets using the third detection aberrant commands condition, method shown in fig. 6 and Fig. 4
Method the difference is that, step 606 is to consider the downlink timing variations amount of user equipment 200, come the uplink adjusted needed for estimating
Sending time lead, to correct the received timing control order of institute at present.One of reason is to occur when timing control command
When abnormal, the downlink timing of user equipment 200 can accordingly change.
Referring to FIG. 7, Fig. 7 is the detection and modification method process of the timing control order according to one embodiment of the invention
Figure, wherein Fig. 7 can be considered that steps are as follows based on another change case made by process shown in Fig. 3:
Step 702: judging multiple timing control orders within a predetermined time from base station whether only single direction
The uplink transmission timing of user equipment is adjusted, gradually to determine whether aberrant commands condition meets.
Step 704: when the aberrant commands condition meets, user equipment judges the timing control command received from base station
It is abnormal.
Step 706: the received timing control order of institute at present is corrected according to the downlink timing variations amount of user equipment.
Step 708: the uplink transmission timing of user equipment is determined according to revised timing control order.
Shown in the method whether Fig. 7 meets using the 4th kind of detection aberrant commands condition, method shown in Fig. 7 and Fig. 5
Method the difference is that, step 706 is to consider the downlink timing variations amount of user equipment 200, come the uplink adjusted needed for estimating
Sending time lead is similar to previous embodiment, one of reason is to work as to correct the received timing control order of institute at present
When timing control order is abnormal, the downlink timing of user equipment 200 can accordingly change.
Referring to FIG. 8, Fig. 8 is the detection and modification method process of the timing control order according to one embodiment of the invention
Figure, wherein Fig. 8 can be considered that steps are as follows based on another change case made by process shown in Fig. 3:
Step 802: detecting user equipment nearby whether there is the uplink for having uplink transmission power to be greater than the user equipment and send out
Another user equipment of power is sent, to determine whether aberrant commands condition meets.
Step 804: when aberrant commands condition meets, user equipment judges that the timing control command received from base station is sent out
It is raw abnormal.
Step 806: the uplink transmission power of user equipment is turned up, to promote the timing control transmitted by base station modification next time
System order.
Step 808: the uplink transmission timing of user equipment is determined according to revised timing control order.
The method whether Fig. 8 is met using the 5th kind of detection aberrant commands condition, in step 802,230 meeting of detection module
It nearby whether there is the uplink transmission power for thering is uplink transmission power to be greater than user equipment 200 by detecting user equipment 200
Another user equipment, to determine whether the aberrant commands condition meets, because when another user equipment has too big uplink
When sending power, the uplink running of user equipment 200 itself may be covered or influence, in other words, base station 201 is transmitted to user
The synchronous control command of the requirement adjustment uplink sending time of equipment 200 is based on uplink transmission power, and biggish this is another
User equipment, and be not based on user equipment 200, therefore synchronous control command will uplink transmission timing to user equipment 200
Carry out wrong adjustment.
The uplink transmission power of user equipment 200 can then be turned up, in step 806 to promote base station 201 to modify next institute
The timing control command of transmission, wherein the preferable practice is that the uplink transmission power of user equipment 200 is adjusted to to be greater than this separately
The uplink transmission power of one user equipment, but the present invention is not limited thereto.
In an embodiment, be turned up user equipment 200 uplink transmission power the step of can pass through enable user equipment
200 uplink open-loop power control (Uplink Open-Loop Power Control, U-OLPC) Lai Shixian.In general, closed loop
Power control (closed loop power control) refer to feedback information that transmitting terminal is sent according to receiving end to transmission power into
The process of row control.It is different from closed-loop power control, open loop power control does not need the feedback of receiving end then, transmitting terminal (that is, carry out uplink
The user equipment 200 of transmission) transmission power is controlled according to the information that itself is measured.In addition, uplink open-loop power control meeting
Constantly compare the signal-to-noise ratio (Signal-to-Noise Ratio, SNR) between user equipment 200 and base station 201, works as noise
When than being lower than demand, the uplink power of user equipment 200 is just turned up；In addition, user can also be turned down when signal-to-noise ratio is higher than demand
The uplink power of equipment 200 is to carry out power saving.
Listed in the embodiment of Fig. 4~Fig. 8 it is a variety of for change case made by Fig. 3 step 302,304, wherein correcting base
It stands and 201 is sent to user equipment 200 to adjust a variety of methods of the timing control order of the uplink transmission timing of user equipment 200
(such as step 406, step 606 or step 506, step 706) can individually or mix use, such as consider user equipment 200
Current movement speed or maximum movement speed while, the uplink transmission power of user equipment 200, Lai Xiuzheng mesh are turned up together
The preceding received timing control order of institute；Or it while for example considering the downlink timing variations amount of user equipment 200, is turned up together
The uplink transmission power of user equipment 200, to correct the received timing control order of institute at present.
In conclusion user equipment of the invention can voluntarily detect timing control order transmitted by base station whether occur it is different
Often, when detecting abnormal timing control order, timing control transmitted by user equipment meeting active correction base station of the invention
System order, and uplink transmission timing is determined according to revised timing control order, therefore when user equipment execution uplink is same
When step, the situation that the uplink transmission timing of user equipment is mistakenly adjusted can be improved.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore protection model of the invention
It encloses subject to view appended claims institute defender.
Claims (25)
1. method is detected and corrected in a kind of timing control order, the timing control order is sent to user equipment by base station,
To adjust the uplink transmission timing of the user equipment, the method that is detected and corrected of the timing control order includes:
Check whether the timing control order meets aberrant commands condition；
When aberrant commands condition meets, timing control order transmitted by the base station is corrected；And
The uplink transmission timing of the user equipment is determined according to the revised timing control order；
Wherein, timing control order transmitted by the amendment base station includes one or more of following operation:
The received timing control order of institute at present is corrected according to the movement speed of the user equipment；
The uplink transmission power of the user equipment is turned up, to promote the timing control transmitted by the base station modification next time
Order；
The received timing control order of institute at present is corrected according to the downlink timing variations amount of the user equipment.
2. method is detected and corrected in timing control order according to claim 1, which is characterized in that the user equipment
The movement speed be the user equipment current movement speed and one of maximum movement speed, and according to the user
The movement speed of equipment includes the step of the received timing control order of institute at present to correct:
Uplink sending time lead is calculated according to the current movement speed of the user equipment or is set according to the user
The fixed uplink sending time lead of the standby maximum movement speed setting.
3. method is detected and corrected in timing control order according to claim 1, which is characterized in that the user is turned up
The step of uplink transmission power of equipment, includes:
Enable the uplink open-loop power control of the user equipment.
4. method is detected and corrected in timing control order according to claim 1, which is characterized in that the timing control
The detection method of order includes:
Statistics receives the quantity of the timing control order from the base station in the given time；
Compare the quantity and threshold value of the timing control order, to determine whether the aberrant commands condition meets；And
When the aberrant commands condition meets, the user equipment judges from the received timing control life of the base station institute
Order is abnormal.
5. method is detected and corrected in the timing control order according to claim 4, which is characterized in that when predetermined
When receiving the quantity of the timing control order from the base station in the time greater than the threshold value, judgement meets the exception
Command condition.
6. method is detected and corrected in the timing control order according to claim 4, which is characterized in that described predetermined
The size of the length of time and the threshold value is determined according to the movement speed of the user equipment.
7. method is detected and corrected in the timing control order according to claim 1, which is characterized in that the timing
Control command is simultaneous bias order.
8. method is detected and corrected in timing control order according to claim 1, which is characterized in that described in the inspection
Whether timing control order, which meets the step of aberrant commands condition, includes:
Whether only multiple timing control orders from the base station gradually adjust institute to single direction in the given time for judgement
The uplink transmission timing of user equipment is stated, to determine whether the aberrant commands condition meets.
9. method is detected and corrected in the timing control order according to claim 8, which is characterized in that when predetermined
In time the multiple timing control order from the base station only adjust to single direction the user equipment it is described on
When row transmission timing, judgement meets the aberrant commands condition.
10. method is detected and corrected in the timing control order according to claim 8, which is characterized in that described pre-
The length fixed time is determined according to the movement speed of the user equipment.
11. method is detected and corrected in timing control order according to claim 1, which is characterized in that the inspection institute
State that the step of whether timing control order meets aberrant commands condition includes:
Detecting the user equipment nearby whether there is the uplink transmission power for having uplink transmission power to be greater than the user equipment
Another user equipment, to determine whether the aberrant commands condition meets.
12. method is detected and corrected in the timing control order according to claim 11, which is characterized in that work as detecting
Nearby it is greater than another use of the uplink transmission power of the user equipment there are uplink transmission power to the user equipment
When the equipment of family, decision meets the aberrant commands condition.
13. a kind of user equipment, includes:
Detection module is sent to the user equipment to detect base station to adjust the uplink transmission timing of the user equipment
Timing control order, wherein detection module statistics receives the timing control order from the base station in the given time
Quantity, and the quantity and threshold value of the timing control order, to determine whether the timing control order meets exception
Command condition；And
Correction module, when the aberrant commands condition meets, to correct the timing control life transmitted by the base station
It enables, and determines the uplink transmission timing of the user equipment according to the revised timing control order.
14. user equipment according to claim 13, which is characterized in that the correction module is according to the user equipment
Movement speed corrects the received timing control order of institute at present.
15. user equipment according to claim 14, which is characterized in that the movement speed of the user equipment is institute
The current movement speed and the correction module for stating user equipment are according to the current movement speed meter of the user equipment
Count row sending time lead in.
16. user equipment according to claim 14, which is characterized in that the movement speed of the user equipment is institute
The maximum movement speed and the correction module for stating user equipment are according to the maximum movement speed meter of the user equipment
Count row sending time lead in.
17. user equipment according to claim 13, wherein when the correction module is according to the downlink of the user equipment
Sequence variable quantity corrects the received timing control order of institute at present.
18. user equipment according to claim 13, which is characterized in that received in the given time when detecting from institute
When stating the quantity of the timing control order of base station greater than the threshold value, the detection module decision meets the aberrant commands
Condition.
19. a kind of user equipment, includes:
Detection module is sent to the user equipment to detect base station to adjust the uplink transmission timing of the user equipment
Timing control order, wherein multiple timing control orders from the base station are in the given time for detection module judgement
The uplink transmission timing of the user equipment is adjusted, gradually no only single direction to determine whether the timing control order is full
Sufficient aberrant commands condition；And
Correction module, when the aberrant commands condition meets, to correct the timing control life transmitted by the base station
It enables, and determines the uplink transmission timing of the user equipment according to the revised timing control order, wherein
The correction module corrects the timing control order transmitted by the base station according to one or more of following operation:
The received timing control order of institute at present is corrected according to the movement speed of the user equipment；
The uplink transmission power of the user equipment is turned up, to promote the timing control transmitted by the base station modification next time
Order；
The received timing control order of institute at present is corrected according to the downlink timing variations amount of the user equipment.
20. user equipment according to claim 19, which is characterized in that the movement speed of the user equipment is institute
The current movement speed and the correction module for stating user equipment are according to the current movement speed meter of the user equipment
Count row sending time lead in.
21. user equipment according to claim 19, which is characterized in that the movement speed of the user equipment is institute
The maximum movement speed and the correction module for stating user equipment are according to the maximum movement speed meter of the user equipment
Count row sending time lead in.
22. user equipment according to claim 19, which is characterized in that come from the base in the given time when detecting
It is described when the multiple timing control order stood only adjusts to single direction the uplink transmission timing of the user equipment
Detection module decision meets the aberrant commands condition.
23. a kind of user equipment, includes:
Detection module is sent to the user equipment to detect base station to adjust the uplink transmission timing of the user equipment
Timing control order has uplink transmission power to be greater than institute wherein the detection module is detected to whether there is near the user equipment
Another user equipment of the uplink transmission power of user equipment is stated, to determine whether the timing control order meets aberrant commands
Condition；And
Correction module, when the aberrant commands condition meets, to correct the timing control life transmitted by the base station
It enables, and determines the uplink transmission timing of the user equipment according to the revised timing control order.
24. user equipment according to claim 23, which is characterized in that the user equipment is turned up in the correction module
Uplink transmission power, to promote the timing control order transmitted by the base station modification next time.
25. user equipment according to claim 23, which is characterized in that when detecting the user equipment, nearby there are upper
When row sends another user equipment for the uplink transmission power that power is greater than the user equipment, the detection module is determined
Meet the aberrant commands condition.
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| CN106804047A (en) * | 2015-11-26 | 2017-06-06 | 北京信威通信技术股份有限公司 | LTE network based on TA receives the method and device with congestion control |
| CN107438285B (en) * | 2016-05-27 | 2020-01-17 | 普天信息技术有限公司 | Uplink synchronization adjustment method and device |
| EP3530042B1 (en) * | 2016-10-21 | 2021-02-24 | Telefonaktiebolaget LM Ericsson (publ) | A method of assigning transmission timing to radio terminal, radio network node and radio terminal |
| CN106647928A (en) * | 2016-12-30 | 2017-05-10 | 杭州宏杉科技股份有限公司 | Abnormal time sequence locating method and apparatus, and mainboard |
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