CN104768165B - The method of signal covering and base station - Google Patents
The method of signal covering and base station Download PDFInfo
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- CN104768165B CN104768165B CN201510170340.3A CN201510170340A CN104768165B CN 104768165 B CN104768165 B CN 104768165B CN 201510170340 A CN201510170340 A CN 201510170340A CN 104768165 B CN104768165 B CN 104768165B
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- user equipment
- base station
- leader sequence
- radio frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
-
- 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
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Abstract
The embodiment of the invention provides a kind of method of signal covering and base stations, are related to wireless communication field.The present invention includes: to obtain the starting distance of the corresponding coverage area of RRU；According to the starting distance, time offset value corresponding with the starting distance is determined；The corresponding downlink transmission timing of the RRU is carried forward adjustment according to the time offset value；Alternatively, the corresponding uplink receiving timing of the RRU is adjusted backward according to the time offset value.Technical solution provided by the invention can guarantee to be more than the signal quality in the region of 100 kms apart from base station, improve the experience sense of user by.During the embodiment of the present invention is mainly used in base station deployment.
Description
It is on March 9th, 2012 that the application, which is for the applying date, application No. is 201210061849.0, entitled " letters
The divisional application that is itd is proposed of patent application of the method for number covering and base station ".
Technical field
A kind of method covered the present invention relates to wireless communication field more particularly to signal and base station.
Background technique
Under LTE (Long Term evolution, long term evolution) protocol frame, base station and user equipment carry out information
There are RTD (Round Trip Delay, round trip transmission delay) when interaction, base station need to complete between user equipment uplink and
The synchronization of downlink just can guarantee the accuracy of the data transmission between user equipment.User equipment can be sent according to base station
Downlink information and base station complete down-going synchronous, but in order to complete the uplink synchronous between user equipment and base station, base station needs
To user equipment sending time adjustment information, so that user equipment is adjusted according to the time adjustment information oneself sends uplink letter
Number at the time of, since the time size that LTE protocol can adjust user equipment is restricted, so that adjusting in any case, base
The RTD between user equipment that stands cannot be completely eliminated, so that base station cannot all receive the upper of complete user equipment transmission
Row signal, thus base station can only guarantee in 100 km of base station user equipment complete upstream time it is synchronous.
In order to realize base station be more than that the upstream time of user equipment of 100 kms is synchronous apart from the base station, the prior art
The technical solution of middle offer specifically: the radio frequency unit of base station takes out the same leader sequence that user equipment is sent twice
Sample, sampling has certain time interval twice, the signal extracted twice is done to local sequence respectively it is related, and according to the two
The relative size of correlation peak judges whether UE is located within 100 kilometer ranges, determines that user equipment is super apart from base station in base station
When crossing 100 km, at the time of base station adjustment receives the uplink signal of user equipment, and adjusts and believe to user equipment sending instant
Breath, so that at the time of user equipment side adjustment sends uplink signal, to realize base station and be more than 100 kms apart from the base station
User equipment upstream time it is synchronous.
During stating upstream time synchronization in realization, at least there are the following problems in the prior art for inventor's discovery:
The radio frequency unit of base station needs to cover from 0 km to all areas being greater than in 100 kilometer ranges, could be to user equipment and base
The distance stood is judged, will cause the signal quality in the radio frequency unit signal cover apart from base station closer location
Difference, even without signal, influence the experience sense of user by.
Summary of the invention
The embodiment of the present invention provides method and the base station of a kind of covering of signal, can guarantee apart from base station to be more than 100,000
Signal quality in rice range, improve the experience sense of user by.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
One aspect of the present invention provides a kind of method of signal covering, applied to the base station for supporting long term evolution LTE, the base
Station is provided with the first radio frequency unit group and the second radio frequency unit group, and the first radio frequency unit group is for coverage distance base station 0 to A km
Interior region, the second radio frequency unit group is for coverage distance base station A km to the region of B km, wherein and B is greater than A, the
One radio frequency unit group and the second radio frequency unit group respectively include at least one radio frequency remote unit RRU；This method comprises:
Obtain the starting distance of the corresponding coverage area of RRU；
According to starting distance, time offset value corresponding with initial distance is determined；
The corresponding downlink transmission timing of RRU is carried forward adjustment according to time offset value；
Alternatively, the corresponding uplink receiving timing of RRU is adjusted backward according to time offset value.
Another aspect of the present invention provides a kind of base station, supports LTE, which is provided with the first radio frequency unit group and second and penetrates
Frequency unit group, the first radio frequency unit group is for the region in coverage distance base station 0 to A km, and the second radio frequency unit group is for covering
Lid is apart from base station A km to the region of B km, wherein A is no more than 100 and is greater than 0, B greater than A, the first radio frequency unit group and the
Two radio frequency unit groups respectively include at least one radio frequency remote unit RRU；The base station includes:
Acquiring unit, for obtaining the starting distance of the corresponding coverage area of RRU；
Computing unit, the starting distance for being obtained according to acquiring unit determine time offset corresponding with initial distance
Value；
Adjustment unit, the time offset value for the corresponding downlink transmission timing of RRU to be calculated according to computing unit
It is carried forward adjustment；Alternatively, the time offset value that the timing of RRU corresponding uplink receiving is calculated according to computing unit is backward
It is adjusted.
The method of signal covering provided in an embodiment of the present invention and base station, are penetrated by the way that the first radio frequency unit group and second is arranged
Frequency unit group, and at least one radio frequency remote unit RRU is respectively set in the first radio frequency unit group and the second radio frequency unit group, make
Each RRU only needs to cover lesser range, to ensure that apart from base station be more than signal quality in 100 kilometer ranges,
Improve user experience sense by.And the timing of the downlink transmission timing or uplink receiving of each RRU is adjusted, to guarantee base
It stands and receives the accuracy that user equipment sends signal.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structure chart of one of one embodiment of the invention base station architecture；
Fig. 2 is the method flow diagram of one of one embodiment of the invention signal covering；
Fig. 3 is the method flow diagram of one of one embodiment of the invention uplink synchronous；
Fig. 4 is the method flow diagram of another uplink synchronous in one embodiment of the invention；
Fig. 5 is the composition block diagram of one of another embodiment of the present invention base station；
Fig. 6 is the composition block diagram of another base station in another embodiment of the present invention；
Fig. 7 is the structure chart of another base station architecture of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
One embodiment of the invention provides a kind of method of signal covering, be applied to LTE (Long Term Evolution,
Long term evolution) base station architecture, as shown in Figure 1, the base station is provided with the first radio frequency unit group (proximal end radio frequency unit group) and
Two radio frequency unit groups (remote radio unit (RRU) group), the first radio frequency unit group are used for the region in coverage distance base station 0 to A km,
Second radio frequency unit group for coverage distance base station A km arrive the region of B km, wherein B be greater than A, the first radio frequency unit group with
At least one RRU (Remote Radio Unit, Remote Radio Unit) is respectively arranged in second radio frequency unit group.It is understood that
Be, in terms of coverage area, the first radio frequency unit group in the embodiment of the present invention be for proximal end covering radio frequency unit group, second
Radio frequency unit group is the radio frequency unit group covered for distal end.The second radio frequency unit group, which can certainly be set, to be covered for proximal end
The radio frequency unit group of lid, the first radio frequency unit group is the radio frequency unit group covered for distal end, alternatively, the first and second radio frequency lists
Tuple does not distinguish distal end covering and proximal end covering, and only title statement is different.
In Fig. 1, which is provided with two RRU, is covered each by the region of 0-A km and the region of A-B km.But
It is that base station architecture applied by the embodiment of the present invention can also be not limited to framework as shown in Figure 1, is more than for example, can be set
Two RRU, 3 or 4 even more RRU, to realize base station from short distance to continuous seamless coverage remote.
When more than two RRU is arranged, implement method of the invention with principle be it is similar, those skilled in the art are retouched by following
Stating equally can be implemented, therefore also within the protection scope of the present invention.
Fig. 7 is the structure chart of another base station architecture of the present invention, as shown in fig. 7, the base station is provided with three RRU, respectively
For RRU0, RRU1 and RRU2, wherein RRU0 is used for the region of coverage distance base station 0-A km, and RRU1 is used for coverage distance base station
The region of A-B km, RRU3 are used for the region of coverage distance base station B-C km.Wherein due to the corresponding covering of RRU1 and RRU2
Range is different, therefore its corresponding time offset is also different.The implementation method of base station architecture corresponding to its implementation method and Fig. 1
Similar, therefore not to repeat here.
The base station architecture based on Fig. 1 will be described in detail by taking the corresponding base station architecture of Fig. 1 as an example below, how is the method for the present invention
Specific implementation.It is understood that method executing subject provided by the invention can be base station, as shown in Figure 2, comprising:
101, the starting distance of the corresponding coverage area of RRU is obtained.
It should be noted that the starting distance of coverage area is the minimum value of coverage area, that is to say, that when the first radio frequency
When a RRU is respectively only arranged in unit group and the second radio frequency unit group, the starting distance of the RRU in the first radio frequency unit group is 0
Km, the starting distance of the RRU in the second radio frequency unit group are A km.
Further, it is worth noting that, if the first radio frequency unit group and the second radio frequency unit group be each provided with it is multiple
RRU then needs to be that each RRU respectively distributes corresponding coverage area in respective coverage area, and the region of multiple RRU coverings can
With there are overlapping regions, it is not limited by the embodiments of the present invention.Under this configuration, each RRU is corresponding respectively unique
A starting distance.
Also, the corresponding coverage area of each RRU is to preset and store in a base station.
102, it according to starting distance, determines time offset value corresponding with initial distance, and executes step 103 or execute
Step 104.
Wherein, under LTE protocol frame, the value range of time offset value is 0 to 667 microseconds.
Wherein, starting distance and time offset value are proportional relationship.Under LTE protocol frame, when starting distance is 100
When km, corresponding time offset value can be set to 667 microseconds, and the precision needed according to time offset value is different, decimal point
The digit being arranged afterwards is accordingly different.Based on this set, if the starting distance of the corresponding coverage area of RRU is 60 kms,
Corresponding time offset value is 400 microseconds, and the acquisition of the corresponding time offset value of other starting distances can be with the rest may be inferred.
Also, obtain the corresponding time offset value of initial distance method can according to proportional relationship and initially away from
From carrying out that the corresponding time offset value of initial distance is calculated, or in pre-set initial distance and time offset
It is searched in the mapping table of value, it is not limited by the embodiments of the present invention.
103, the corresponding downlink transmission timing of RRU is carried forward adjustment according to time offset value.
104, the corresponding uplink receiving timing of RRU is adjusted backward according to time offset value.
In the present embodiment, by the first radio frequency unit group of setting and the second radio frequency unit group, and in the first radio frequency unit
Group and the second radio frequency unit group at least one radio frequency remote unit RRU is respectively set so that each RRU only need to cover it is lesser
Range, to ensure that apart from base station be more than signal quality in 100 kilometer ranges, improve the experience sense of user by.And it is right
Downlink transmission timing or the uplink receiving timing of each RRU is adjusted, and sends signal to guarantee that base station receives user equipment
Accuracy.
Further, being carried forward the corresponding downlink transmission timing of RRU according to time offset value of step 103 is being executed
After adjustment, the embodiment of the present invention provides a kind of method of uplink synchronous, for completing the access of user equipment, needs to complete to use
The uplink synchronous of family equipment and base station, as shown in figure 3, this method comprises:
105a, the first leader sequence that user equipment is sent is received, after which is user equipment and adjusts
Downlink transmission timing it is synchronous after the leader sequence that sends.
Wherein, the first leader sequence is used to guarantee the sequence of the orthogonality between signal that each user equipment is sent to base station
Column, the technology that specific setting method is known to the skilled person, the embodiment of the present invention are not described in detail this.
Wherein, downlink transmission timing adjusted can be by user equipment according in the downlink signal for receiving RRU transmission
It obtains, the technology that concrete implementation method is known to the skilled person, the embodiment of the present invention is to this without detailed description.
106a, according to the first leader sequence, generate the corresponding first time adjusted value of user equipment.
Wherein, first time adjusted value is identical as the value range of time offset value.
Wherein, according to the first leader sequence, the implementation method for generating the corresponding first time adjusted value of user equipment includes:
The local sequence stored in first leader sequence and RRU is subjected to relevant treatment, obtains a correlated series, and according to the correlation
The peak value of sequence determines that user equipment needs in advance how long to base station transmission uplink signal, and first time adjusted value is to mention
Preceding duration.According to the first leader sequence, the corresponding first time adjusted value concrete implementation method of user equipment is generated, for this
Technology well known to the technical staff of field, the embodiment of the present invention are not described in detail this.
107a, first time adjusted value is sent to user equipment, so that user equipment is according to first time adjusted value
The corresponding uplink transmission timing of user equipment is carried forward adjustment.
108a, the uplink sent according to uplink receiving timing, reception user equipment according to uplink transmission timing adjusted
Signal.
In the present embodiment, RRU is after being carried forward adjustment according to time offset value for downlink transmission timing, so that with
Family equipment to base station send uplink signal at the time of accordingly shift to an earlier date, RRU to user equipment send first time adjusted value it
Afterwards, shift to an earlier date at the time of user equipment further will send uplink signal to base station, this adjusts counteract user equipment to base twice
RTD between standing ensure that base station receives the accuracy for the signal that user equipment is sent.
Further, the carrying out the corresponding uplink receiving timing of RRU backward according to time offset value of step 104 is being executed
After adjustment, the embodiment of the present invention provides also a kind of method of uplink synchronous and needs to complete for completing the access of user equipment
The uplink synchronous of user equipment and base station, as shown in figure 4, this method comprises:
105b, the second leader sequence that user equipment is sent is received, which is that user equipment and downlink are sent out
Send the leader sequence sent after Timing Synchronization.
106b, according to the second leader sequence, generate the corresponding second time adjusted value of user equipment.
107b, the second time adjusted value is sent to user equipment, so that user equipment is according to the second time adjusted value
The corresponding uplink transmission timing of user equipment is carried forward adjustment.
108b, according to uplink receiving adjusted timing, receive user equipment and sent out according to uplink transmission timing adjusted
The uplink signal sent.
It is worth noting that step 105b, the implementation method of 106b, 107b and 108b and step 105a, 106a, 107a,
108a is similar, and details are not described herein for the embodiment of the present invention.
In the present embodiment, the corresponding uplink receiving timing of RRU is being adjusted it according to time offset value by RRU backward
Afterwards, so that base station will receive user equipment send uplink signal at the time of accordingly lag, RRU to user equipment send second
After time adjusted value, user equipment shifts to an earlier date at the time of further sending uplink signal to base station, this adjusts counteract twice
User equipment ensure that base station receives the accuracy for the signal that user equipment is sent to the RTD between base station.
The embodiment of the invention provides a kind of methods of signal covering, pass through the first radio frequency unit group of setting and the second radio frequency
Unit group, and at least one radio frequency remote unit RRU is respectively set in the first radio frequency unit group and the second radio frequency unit group, so that
Each RRU only needs to cover lesser range, to ensure that apart from base station be more than signal quality in 100 kilometer ranges, mentions
The experience sense of high user by.And the timing of the downlink transmission timing or uplink receiving of each RRU is adjusted, to guarantee base station
Receive the accuracy that user equipment sends signal.
Further, base station by first downlink transmission timing is adjusted or to uplink receiving timing be adjusted,
Then the sending instant of the uplink signal of user equipment is adjusted, counteracts user equipment to the RTD between base station, guarantees
Base station receives the accuracy for the signal that user equipment is sent.
Another embodiment of the present invention additionally provides a kind of base station, which supports LTE, and base station is provided with the first radio frequency unit
Group and the second radio frequency unit group, the first radio frequency unit group is for the region in coverage distance base station 0 to A km, the second radio frequency list
Tuple is for coverage distance base station A km to the region of B km, and wherein B is greater than A, the first radio frequency unit group and the second radio frequency list
Tuple respectively includes at least one RRU, as shown in figure 5, specifically including: acquiring unit 21, determination unit 22, adjustment unit 23.
Acquiring unit 21, for obtaining the starting distance of the corresponding coverage area of RRU.
Determination unit 22, the starting distance for being obtained according to acquiring unit 21 determine the time corresponding with initial distance
Bias.Wherein, starting distance and time offset value are proportional relationship.
Adjustment unit 23, the time for the corresponding downlink transmission timing of RRU to be calculated according to computing unit 22 are inclined
It sets value and is carried forward adjustment；Alternatively, the time offset value that the corresponding uplink receiving timing of RRU is calculated according to computing unit
It is adjusted backward.
Optionally, as shown in fig. 6, the base station further include: receiving unit 24, generation unit 25, transmission unit 26.
Receiving unit 24, for receiving the first leader sequence of user equipment transmission, which sets for user
The standby leader sequence sent later synchronous with downlink transmission timing adjusted.
Generation unit 25, for according to received first leader sequence of receiving unit 24, generating user equipment corresponding the
One time adjusted value.
Transmission unit 26, the first time adjusted value for generating generation unit 25 are sent to user equipment, so that
The corresponding uplink transmission timing of user equipment is carried forward adjustment according to first time adjusted value by user equipment.
Optionally, receiving unit 24 are also used to receive the second leader sequence of user equipment transmission, the second leading sequence
It is classified as the user equipment leader sequence sent later synchronous with downlink transmission timing.
Generation unit 25 is also used to that it is corresponding to generate user equipment according to received second leader sequence of receiving unit 24
Second time adjusted value.
Transmission unit 26, the second time adjusted value for being also used to generate generation unit 25 are sent to user equipment, so that
It obtains user equipment and the corresponding uplink transmission timing of user equipment is carried forward by adjustment according to the second time adjusted value.
Optionally, receiving unit 24 are also used to receive user equipment according on adjusted according to uplink receiving timing
The uplink signal that row transmission timing is sent.
Optionally, receiving unit 24 are also used to receive user equipment according to tune according to uplink receiving timing adjusted
The uplink signal that uplink transmission timing after whole is sent.
The embodiment of the invention provides a kind of base stations of signal covering, pass through the first radio frequency unit group of setting and the second radio frequency
Unit group, and at least one radio frequency remote unit RRU is respectively set in the first radio frequency unit group and the second radio frequency unit group, so that
Each RRU only needs to cover lesser range, to ensure that apart from base station be more than signal quality in 100 kilometer ranges, mentions
The experience sense of high user by.And the timing of the downlink transmission timing or uplink receiving of each RRU is adjusted, to guarantee base station
Receive the accuracy that user equipment sends signal.
Further, base station by first downlink transmission timing is adjusted or to uplink receiving timing be adjusted,
Then the sending instant of the uplink signal of user equipment is adjusted, counteracts user equipment to the RTD between base station, guarantees
Base station receives the accuracy for the signal that user equipment is sent.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required common hardware is added to realize, naturally it is also possible to which the former is more preferably by hardware, but in many cases
Embodiment.Based on this understanding, the portion that technical solution of the present invention substantially in other words contributes to the prior art
Dividing can be embodied in the form of software products, which stores in a readable storage medium, such as count
The floppy disk of calculation machine, hard disk or CD etc., including some instructions are used so that computer equipment (it can be personal computer,
Server or the network equipment etc.) method that executes each embodiment of the present invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (12)
1. a kind of method of signal covering, which is characterized in that applied to the base station for supporting long term evolution LTE, the base station setting
There are the first radio frequency unit group and the second radio frequency unit group, the first radio frequency unit group is in coverage distance base station 0 to A km
Region, the second radio frequency unit group arrives the region of B km for coverage distance base station A km, wherein the B is greater than institute
A is stated, at least one radio frequency remote unit RRU is respectively arranged in the first radio frequency unit group and the second radio frequency unit group；This method
Include:
Obtain the starting distance of the corresponding coverage area of RRU；
According to the starting distance, time offset value corresponding with the starting distance is determined；
The corresponding downlink transmission timing of the RRU is carried forward adjustment according to the time offset value；
Alternatively, the corresponding uplink receiving timing of the RRU is adjusted backward according to the time offset value；
Receive the leader sequence that user equipment is sent；
According to the leader sequence, the corresponding time adjusted value of the user equipment is generated；
The time adjusted value is sent to user equipment, so that the user equipment will be described according to the time adjusted value
The corresponding uplink transmission timing of user equipment is carried forward adjustment.
2. the method according to claim 1, wherein the corresponding downlink transmission timing of the RRU is pressed described
After being carried forward adjustment according to the time offset value, the leader sequence for receiving user equipment and sending is specifically included:
The first leader sequence that the user equipment is sent is received, under first leader sequence is user equipment and is adjusted
The leader sequence sent after row transmission timing is synchronous；
It is described according to the leader sequence, generate the corresponding time adjusted value of the user equipment, specifically include:
According to first leader sequence, the corresponding first time adjusted value of the user equipment is generated.
3. the method according to claim 1, wherein the corresponding uplink receiving timing of the RRU is pressed described
After being adjusted backward according to the time offset value, the leader sequence for receiving user equipment and sending is specifically included:
The second leader sequence that the user equipment is sent is received, second leader sequence is that user equipment and the downlink are sent out
Send the leader sequence sent after Timing Synchronization；
It is described according to the leader sequence, generate the corresponding time adjusted value of the user equipment, specifically include:
According to second leader sequence, the corresponding second time adjusted value of the user equipment is generated.
4. according to the method described in claim 2, it is characterized in that, when the time adjusted value is the first time adjusted value
When, after the time adjusted value is sent to user equipment, further includes:
According to the uplink receiving timing, receives the user equipment and believe according to the uplink that uplink transmission timing adjusted is sent
Number.
5. according to the method described in claim 3, it is characterized in that, when the time adjusted value is the second time adjusted value
When, after the time adjusted value is sent to user equipment, further includes:
According to uplink receiving adjusted timing, receive the user equipment sent according to uplink transmission timing adjusted it is upper
Row signal.
6. any one method described in -5 according to claim 1, which is characterized in that the starting distance and the time offset
Value is proportional relationship.
7. a kind of base station, which is characterized in that support LTE, the base station is provided with the first radio frequency unit group and the second radio frequency unit
Group, the first radio frequency unit group are used for for the region in coverage distance base station 0 to A km, the second radio frequency unit group
Coverage distance base station A km is to the region of B km, wherein the B is greater than the A, and the first radio frequency unit group and second is penetrated
Frequency unit group respectively includes at least one radio frequency remote unit RRU；The base station includes:
Acquiring unit, for obtaining the starting distance of the corresponding coverage area of RRU；
Determination unit, the starting distance for being obtained according to the acquiring unit determine the time corresponding with the starting distance
Bias；
Adjustment unit, for the corresponding downlink transmission timing of the RRU to be determined that the obtained time is inclined according to the determination unit
It sets value and is carried forward adjustment；Alternatively, the timing of the RRU corresponding uplink receiving is determined according to the determination unit obtain when
Between bias be adjusted backward；
Receiving unit, for receiving the leader sequence of user equipment transmission；
Generation unit, for generating the corresponding time tune of the user equipment according to the received leader sequence of the receiving unit
Whole value；
Transmission unit, the time adjusted value for generating the generation unit is sent to the user equipment, so that described
The corresponding uplink transmission timing of the user equipment is carried forward adjustment according to the time adjusted value by user equipment.
8. base station according to claim 7, which is characterized in that
The receiving unit, the first leader sequence sent specifically for receiving the user equipment, first leader sequence
The leader sequence sent after synchronous with downlink transmission timing adjusted for user equipment；
The generation unit is specifically used for generating the user equipment corresponding first time according to first leader sequence
Adjusted value.
9. base station according to claim 7, which is characterized in that
The receiving unit is specifically also used to receive the second leader sequence that the user equipment is sent, the second leading sequence
It is classified as the user equipment leader sequence sent later synchronous with the downlink transmission timing；
The generation unit, is specifically also used to according to second leader sequence, generate the user equipment it is corresponding second when
Between adjusted value.
10. base station according to claim 8, which is characterized in that the receiving unit is also used to according to the uplink receiving
Periodically, the uplink signal that the user equipment is sent according to uplink transmission timing adjusted is received.
11. base station according to claim 9, which is characterized in that the receiving unit is also used to according to uplink adjusted
Timing is received, the uplink signal that the user equipment is sent according to uplink transmission timing adjusted is received.
12. any one base station according to claim 7-11, which is characterized in that the starting distance and the time are inclined
Setting value is proportional relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170340.3A CN104768165B (en) | 2012-03-09 | 2012-03-09 | The method of signal covering and base station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170340.3A CN104768165B (en) | 2012-03-09 | 2012-03-09 | The method of signal covering and base station |
| CN201210061849.0A CN102625451B (en) | 2012-03-09 | 2012-03-09 | Method and base station of signal coverage |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210061849.0A Division CN102625451B (en) | 2012-03-09 | 2012-03-09 | Method and base station of signal coverage |
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| CN104768165A CN104768165A (en) | 2015-07-08 |
| CN104768165B true CN104768165B (en) | 2019-04-26 |
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| CN201510170340.3A Active CN104768165B (en) | 2012-03-09 | 2012-03-09 | The method of signal covering and base station |
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| CN201210061849.0A Active CN102625451B (en) | 2012-03-09 | 2012-03-09 | Method and base station of signal coverage |
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| CN105472629A (en) * | 2015-11-20 | 2016-04-06 | 上海华为技术有限公司 | Base station and networking method of cellular network |
| EP3624409B1 (en) | 2017-06-09 | 2023-08-09 | Huawei Technologies Co., Ltd. | Remote device of base station, base station and random access method |
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| US8831119B2 (en) * | 2010-06-28 | 2014-09-09 | Lg Electronics Inc. | Method and apparatus for transmitting synchronization signal in multi-node system |
| CN102082608B (en) * | 2010-12-27 | 2013-09-11 | 武汉邮电科学研究院 | Method and device for adjusting time delay of RRU (remote radio unit) cascaded fiber |
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| KR20110064941A (en) * | 2009-12-09 | 2011-06-15 | 에스케이 텔레콤주식회사 | Method for removal of uplink noise from repeater on the mobile communication system and device therefore |
| CN102325366A (en) * | 2011-05-24 | 2012-01-18 | 大唐移动通信设备有限公司 | Data synchronization method, system and device |
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| CN102625451B (en) | 2015-04-15 |
| CN104768165A (en) | 2015-07-08 |
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