CN104980976B - The methods, devices and systems that information sends and obtains - Google Patents
The methods, devices and systems that information sends and obtains Download PDFInfo
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- CN104980976B CN104980976B CN201510367422.7A CN201510367422A CN104980976B CN 104980976 B CN104980976 B CN 104980976B CN 201510367422 A CN201510367422 A CN 201510367422A CN 104980976 B CN104980976 B CN 104980976B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
Abstract
The embodiment of the present invention discloses a kind of methods, devices and systems that information sends and obtains, it is related to the communications field, it can not judge whether the information transmitted in time/frequency source block is pilot measurement information to solve user terminal, user terminal is caused to invent the problem of the signal quality detection inaccuracy of neighboring community.Technical solution provided by the invention are as follows: obtain the antenna configuration information of neighboring community；The message for carrying the antenna configuration information of the neighboring community is sent to user terminal.The embodiment of the present invention can be using within a wireless communication network.
Description
Technical field
The present invention relates to be related to the methods, devices and systems of the communications field more particularly to a kind of information transmission and acquisition.
Background technique
When needing to carry out cell reselection or switching, user terminal (User Equipment, UE) is needed to adjacent small
The signal quality in area is detected, and will test the base station that result is sent to current area, is tied by the base station according to the detection
Fruit carries out the operation such as cell switching or gravity treatment to the UE.
In a wireless communication system, a cell may possess more transmitting antennas, the coverage area of every transmitting antenna
It may be not quite similar, in order to guarantee the accuracy of cell signal quality detection, UE needs more to neighboring community or whole
Transmitting antenna carries out signal quality detection.In the prior art, neighbor cell base station can pass through time-frequency corresponding with antenna
Resource block sends pilot measurement information, and UE receives the pilot measurement information transmitted in the time/frequency source block, and according to the pilot tone
Metrical information carries out signal quality detection to the transmitting antenna to be detected of the neighboring community.
In the implementation of the present invention, inventors have found that the prior art at least there are the following problems:
The time/frequency source block for being used for transmission pilot measurement information can also transmit communication data, and UE can not judge institute
State whether transmit in time/frequency source block is pilot measurement information, the power used due to communication data and pilot measurement information is not
Together, if the information of the time/frequency source block transmission for being used for transmission pilot measurement information is communication data, UE is according to the communication
The signal quality testing result that data obtain will be inaccurate, so as to cause UE to the signal quality testing result of entire neighboring community
Inaccuracy.
Summary of the invention
The embodiment of the present invention provides a kind of methods, devices and systems that information sends and obtains, and is able to use family terminal pair
The signal quality of neighboring community is accurately detected.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
A kind of method that information is sent, comprising: obtain the antenna configuration information of neighboring community；It sends and carries to user terminal
The message of the antenna configuration information of the neighboring community.
A kind of method of acquisition of information, comprising: receive the message for carrying the antenna configuration information of neighboring community；Disappear from described
The antenna configuration information of neighboring community is obtained in breath.
A kind of base station, comprising:
Acquiring unit, for obtaining the antenna configuration information of neighboring community；
Transmission unit, for sending the message for carrying the antenna configuration information of the neighboring community to user terminal.
A kind of user terminal, comprising:
Receiving unit, for receiving the message for carrying the antenna configuration information of neighboring community；
Acquiring unit, for obtaining the antenna configuration information of neighboring community from the received message of the receiving unit.
A kind of communication system, including above-described base station.
The methods, devices and systems that information provided in an embodiment of the present invention sends and obtains, network side can be to user's ends
End sends the antenna configuration information of neighboring community, enables user terminal quasi- according to the antenna configuration information of the neighboring community
Really know the number of antennas of neighboring community, and judges the letter of time/frequency source block transmission corresponding with antenna according to the number of antennas
Whether breath is pilot measurement information, so that user terminal be enable to be believed according to the pilot measurement transmitted in the time/frequency source block
Breath, accurately detects the signal quality of neighboring community, and the time/frequency source block transmission can not be judged by solving the prior art
Information whether be pilot measurement information, cause when the time/frequency source block transmit information be communication data when, according to the letter
Cease the problem of the neighbor cell signal quality measurements inaccuracy obtained.
Detailed description of the invention
Fig. 1 is the method flow diagram that information provided in an embodiment of the present invention is sent；
Fig. 2 is the method flow diagram of acquisition of information provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram that information provided in an embodiment of the present invention sends and obtains；
Fig. 4 be another embodiment of the present invention provides information send and obtain method flow diagram；
Fig. 5 is architecture of base station schematic diagram one provided in an embodiment of the present invention；
Fig. 6 is architecture of base station schematic diagram two provided in an embodiment of the present invention；
Fig. 7 is user terminal structural schematic diagram one provided in an embodiment of the present invention；
Fig. 8 is user terminal structural schematic diagram two provided in an embodiment of the present invention.
Specific embodiment
It can not judge whether the information transmitted in time/frequency source block is pilot measurement information to solve user terminal, cause
To the problem of the signal quality of neighboring community detection inaccuracy, the embodiment of the present invention provides a kind of information and sends and obtain user terminal
The methods, devices and systems taken.
As shown in Figure 1, the method that information provided in an embodiment of the present invention is sent, comprising:
Step 101, the antenna configuration information of neighboring community is obtained；
Step 102, the message for carrying the antenna configuration information of the neighboring community is sent to user terminal.
The method that information provided in an embodiment of the present invention is sent can send the antenna configuration of neighboring community to user terminal
Information enables the user terminal accurately to know the number of antennas of neighboring community according to the antenna configuration information.Due to phase
The number of antennas that adjacent cell base station is used according to this cell determines that the corresponding time/frequency source block of which antenna sends pilot measurement letter
Breath.Therefore, user terminal knows the number of antennas that neighboring community uses, then can know the corresponding time/frequency source block of which antenna
Pilot measurement information is sent, thus enable user terminal according to the pilot measurement information transmitted in the time/frequency source block, it is right
The signal quality of neighboring community is accurately detected, and the information of the time/frequency source block transmission can not be judged by solving the prior art
Whether it is pilot measurement information, causes when the information that the time/frequency source block is transmitted is communication data, according to the acquisition of information
Neighbor cell signal quality measurements inaccuracy problem.
With method shown in FIG. 1 correspondingly, as shown in Fig. 2, the embodiment of the present invention also provides a kind of side of acquisition of information
Method, comprising:
Step 201, the message for carrying the antenna configuration information of neighboring community is received；
Step 202, the antenna configuration information of neighboring community is obtained from the message.
The method of acquisition of information provided in an embodiment of the present invention can receive the antenna configuration information for carrying neighboring community
Message, and from the message obtain neighboring community antenna configuration information, enable user terminal according to the antenna configuration
Information accurately knows the number of antennas of neighboring community, and judges that time/frequency source block corresponding with antenna passes according to the number of antennas
Whether defeated information is pilot measurement information, so that user terminal be enable to be surveyed according to the pilot tone transmitted in the time/frequency source block
Information is measured, the signal quality of neighboring community is accurately detected, the time/frequency source block can not be judged by solving the prior art
Whether the information of transmission is pilot measurement information, is caused when the information that the time/frequency source block is transmitted is communication data, according to
The problem of the neighbor cell signal quality measurements inaccuracy of the acquisition of information.
In order to enable those skilled in the art to be more clearly understood that technical solution provided in an embodiment of the present invention, lead to below
The method that specific embodiment sends and obtains to the information that invention described above embodiment provides is crossed to be described in detail.
As shown in figure 3, the method that information provided in an embodiment of the present invention sends and obtains, comprising:
Step 301, the base station of the current area where UE obtains the antenna configuration information of neighboring community.
Wherein, the antenna configuration information is specially the number of antennas of neighboring community, which can be with the phase
The practical antenna number possessed of adjacent cell is identical, can also be different, and when different, are specifically as follows network side and UE is needed to measure phase
The number of antennas of adjacent cell or the minimum number of antennas of neighboring community.
In the present embodiment, when needing to obtain the antenna configuration information of neighboring community, the base of the current area where UE
The message of the antenna configuration information of request neighboring community can be sent to the base station of core net or neighboring community by standing, and
And the message of the antenna configuration information of the carrying neighboring community of the base station return of core net or the neighboring community is received, from
The antenna configuration information of neighboring community is obtained in the message；Or the base station of the current area where UE also can receive core net
Or the message of the antenna configuration information of the carrying neighboring community of the base station active transmission of neighboring community, phase is obtained from the message
The antenna configuration information of adjacent cell.Such as: when the base station of the current area where UE and core net establish connection, core net can be with
The message for carrying the antenna configuration information of cell adjacent thereto is actively sent to the base station, the base station receives the message,
And the antenna configuration information of neighboring community is obtained from the message；For another example: when the base station of neighboring community or network structure become
When change, the base station of core net or neighboring community can carry the message of the antenna configuration information of adjacent cell, institute with active transmission
The base station for stating current area receives the message, and the antenna configuration information of neighboring community is obtained from the message.Certainly, in reality
Use process in, the base station of current area can also obtain the antenna configuration information of neighboring community by other various ways,
Each case is not repeated one by one this time.
Step 302, the base station of current area sends disappearing for the antenna configuration information for carrying the neighboring community to the UE
Breath.
In the present embodiment, the message of the antenna configuration information for carrying the neighboring community can be system message；
It may be dedicated signaling, such as wireless resource control connection reconfiguration message (RRC Connection
Reconfiguration) perhaps message (RRC Connection Setup) or wireless is established in wireless heterogeneous networks connection
Resources control connection re-establishment message (RRC Connection Re-establishment) etc..
If the message of the antenna configuration information for carrying the neighboring community is dedicated signaling, for idle state
The base station of UE, current area can be after the message of the antenna configuration information for the request neighboring community for receiving UE transmission, root
The dedicated signaling for carrying the antenna configuration information of the neighboring community is sent to UE according to the message；For the UE of connection status, when
The base station of preceding cell can actively send the dedicated signaling for carrying the antenna configuration information of neighboring community to the UE；
It is worth noting that UE will not actively receive the base after the base station with current area establishes a connection
It stands the system message sent, so, if the antenna configuration for carrying the neighboring community that the base station of current area is sent to UE
The message of information can also include current area to enable UE to receive the system message for system message in step 302
Base station send paging message to UE, indicate that the UE receives the system message for carrying the antenna configuration information of the neighboring community
The step of.
In the present embodiment, if the antenna configuration of all neighboring communities is identical or approximately uniform, the neighboring community
Antenna configuration information be antenna configuration information, which can be with the antenna configuration of integrating representation whole neighboring community
Situation.If antenna configuration is identical, for example is 4, then the antenna configuration information can directly be 4, if close, for example,
Have plenty of 2, have plenty of 4, then to economize on resources, which can select smaller value, i.e., 2 namely network side are wished
UE is hoped only to measure two antennas.The antenna configuration information can be according to pre-set cryptoprinciple, in an encoded form
It carries in system message or the antenna configuration information field of dedicated signaling；Wherein, the cryptoprinciple may include
It is a variety of, such as: when the antenna of all neighboring communities is configured to 1,2 or 4, the cryptoprinciple can be use
2bit encodes the antenna configuration of all neighboring communities, wherein 00 expression antenna is configured to 1, and 01 indicates
Antenna is configured to 2, and 10 expression antennas are configured to 4, and 11 indicate that antenna configuration is uncertain, alternatively, described
Cryptoprinciple may be to be encoded with 1bit to the antenna configuration of all neighboring communities, wherein 0 indicates antenna
It is configured to 1 or 2, in this case, then needing UE to determine bottom again is 1 or 2, and 1 indicates antenna configuration
It is 4；The embodiment of the present invention does not repeat each case one by one；
If the antenna configuration of neighboring community is different or part is not identical, the antenna configuration letter of the neighboring community
Breath be the corresponding antenna configuration information in each neighboring community, the antenna configuration information can according to pre-set cryptoprinciple,
It is carried in the neighbor cell list of system message or dedicated signaling in an encoded form, as shown in table 1, described adjacent small
Increase aerial information number (AntennaInformationCount) field in area's list, is carried in the field each adjacent
The antenna configuration information of cell；
Table 1:
Wherein, ENUMERATED { N } indicates the number of antennas of each neighboring community, which can be according to setting in advance
The cryptoprinciple set is encoded, such as: when the antenna configuration of neighboring community is 1,2 or 4, the cryptoprinciple
It can be to be encoded with antenna configuration of the 2bit to each neighboring community, wherein 00 indicates that antenna configuration is 1, and 01 indicates
Antenna configuration is 2, and 10 indicate that antenna configuration is 4, and 11 indicate vacant, alternatively, the cryptoprinciple may be to use 1bit
The antenna configuration of each neighboring community is encoded, wherein 0 indicates that antenna configuration is 1 or 2, and 1 indicates antenna
It is configured to 4；The embodiment of the present invention does not repeat each case one by one；
In the present embodiment, system message or dedicated signaling can only carry antenna configuration information field or phase
Adjacent cell list；Antenna configuration information field can also be not only carried, but also carries neighbor cell list, at this point, if all
The antenna configuration of neighboring community is identical or approximately uniform, the AntennaInformationCount of the neighbor cell list
Field be it is vacant, if the antenna configuration of neighboring community it is different or part not identical, antenna configuration information field
It is uncertain (as indicated with coding 11) to be set as antenna configuration.The specific day in neighboring community is carried in neighbor cell list
Line configuration information.
Step 303, the message of the antenna configuration information for the carrying neighboring community that the base station that UE receives current area is sent.
In the present embodiment, if the message for carrying network resource status information is dedicated signaling, UE can be direct
The message of the antenna configuration information for carrying neighboring community is received from the base station of current area；If the carrying is adjacent small
The message of the antenna configuration information in area is system message, and UE can receive corresponding field in system message.When neighboring community day
When line configuring condition sends change, UE can first receive the paging message of base station transmission, received according to the paging message and carry phase
The message of the antenna configuration information of adjacent cell.
Step 304, UE obtains the antenna configuration information of neighboring community from the message, comprising:
Firstly, UE obtains the decoding principle of antenna configuration information；
In the present embodiment, UE can send disappearing for the decoding principle of request antenna configuration information to the base station of current area
Breath receives the response message that the base station returns, the decoding principle of antenna configuration information is obtained from the response message；UE can also
To obtain the decoding principle of antenna configuration information from the system message of the base station active transmission of current area or dedicated signaling；UE is also
The instruction information that can be sent according to the base station of current area obtains antenna configuration letter from pre-stored base station information list
The decoding principle of breath, such as: the base station of current area can send disappearing for the antenna configuration information for carrying neighboring community to UE
When breath, within the message, instruction information is carried, UE receives the message of the antenna configuration information for carrying neighboring community, from this
Instruction information is obtained in message, and antenna configuration information is obtained from pre-stored base station information list according to the instruction information
Decoding principle；It is also not necessary to the instructions of base station by UE, are decoded according to the decoding principle of default.Certainly, actual
In use process, UE can also obtain the decoding principle of antenna configuration information by other means, herein not to each case into
Row repeats one by one；
Then, UE believes the antenna configuration for carrying neighboring community according to the decoding principle of the antenna configuration information
The message of breath is decoded, and obtains and/or store the antenna configuration information of neighboring community.
In the present embodiment, the message of the antenna configuration information for carrying neighboring community can only carry antenna and match
Information field is set, at this point, UE can be decoded the antenna configuration information field according to decoding principle, is obtained all
The antenna configuration information of neighboring community, wherein the decoding principle may include a variety of, such as: when the day of neighboring community
Line is configured to 1,2 or 4, and when the antenna configuration information field is 2bit, and the decoding principle can be with are as follows:
00 expression antenna of coding is configured to 1, and 01 expression antenna of coding is configured to 2, and 10 expression antenna of coding is matched
4 are set to, coding 11 indicates that antenna configuration is uncertain；For another example: when the antenna configuration of neighboring community is 1,2 or 4
Root, and when the antenna configuration information field is 1bit, the decoding principle can be with are as follows: coding 0 indicates that antenna is matched
It is set to 1 or 2,1 expression antenna of coding is configured to 4, at this point, if the antenna configuration information field is
When 1, UE needs further to determine that antenna configuration is 1 or 2 according to pilot design principle；
The message of the antenna configuration information for carrying neighboring community can also only carry neighbor cell list, at this point, UE
The neighbor cell list can be decoded according to decoding principle, obtain the corresponding antenna configuration letter in each neighboring community
Breath, wherein the decoding principle may include it is a variety of, specifically may refer to above-described decoding principle, do not repeat herein.
The message of the antenna configuration information for carrying neighboring community can also both carry antenna configuration information field,
Neighbor cell list is carried again, at this point, UE can be according to decoding principle, respectively to the antenna configuration information field and phase
Adjacent cell list is decoded, and obtains the antenna configuration information of neighboring community, and detailed process can be with are as follows: UE is according to decoding principle pair
The antenna configuration information field is decoded, and the antenna configuration information of neighboring community is obtained from the field, such as
The decoding result of antenna configuration information field described in fruit is that antenna configuration is uncertain, and UE again arranges the neighboring community
Table is decoded, and the corresponding antenna configuration information in neighboring community is obtained from the neighbor cell list.
In the present embodiment, after UE obtains the antenna configuration information of neighboring community, the UE can be according to described
Antenna configuration information carries out signal quality detection to neighboring community.In actual detection process, since UE is not in neighboring community
Certain antenna footprints under, or do not receive the pilot measurement information that certain antennas are sent, UE may can not be complete
Signal quality detection is carried out according to the antenna configuration information of the neighboring community of the acquisition, in order to enable the base station of current area
Accurately know antenna configuration situation used in UE detection neighbor cell signal quality, UE can send phase to current cell base station
Adjacent cell be used for signal quality detection antenna configuration information, specifically, UE can reported to current cell base station it is adjacent small
Antenna configuration information of the neighboring community for signal quality detection is carried when area's signal quality testing result, such as: actual use/
Not used number of antennas or use/not used antenna serial number etc., UE can send neighboring community by individual message
For the antenna configuration information of signal quality detection, each case is not repeated one by one herein.
The method that information provided in an embodiment of the present invention sends and obtains, network side can send the day of neighboring community to UE
Line configuration information enables UE accurately to know the antenna number of neighboring community according to the antenna configuration information of the neighboring community
Mesh, and judge whether the information of time/frequency source block transmission corresponding with antenna is pilot measurement information according to the number of antennas,
To enable UE according to the pilot measurement information transmitted in the time/frequency source block, the signal quality of neighboring community is carried out quasi-
Really detection, solving the prior art can not judge whether the information of the time/frequency source block transmission is pilot measurement information, is caused
When the information of time/frequency source block transmission is communication data, according to the neighbor cell signal quality testing knot of the acquisition of information
The problem of fruit inaccuracy.
As shown in figure 4, the method that the information that another embodiment of the present invention provides sends and obtains, comprising:
Step 401, the base station of the current area where UE obtains the antenna configuration information of neighboring community, concrete implementation
Method may refer to be not repeated herein described in step 301 as shown in Figure 3.
Step 402, the base station of the current area determines the need for the antenna for the neighboring community that will be obtained in step 401
Configuration information is sent to the UE, including three kinds of judgment methods:
Method one: the base station of current area determines whether adjacent small by what is obtained in step 401 according to pilot design principle
The antenna configuration information in area is sent to the UE.
In the present embodiment, when antenna configuration information is 1,2 or 4, pilot design principle is as follows:
If the number of antennas of cell is 1, only pilot symbol transmitted is 0 in the corresponding time/frequency source block of antenna opening 0
Pilot measurement information, by antenna opening be 1 corresponding time/frequency source block it is vacant, in the corresponding time/frequency source block of antenna opening 2 and day
The corresponding time/frequency source block of line mouth 3 can be vacant, can also send communication data；
If the number of antennas of cell is 2, pilot symbol transmitted is 0 in the corresponding time/frequency source block of antenna opening 0
Pilot measurement information is the pilot measurement information that pilot symbol transmitted is 1 in 1 corresponding time/frequency source block in antenna opening, in day
The corresponding time/frequency source block of line mouth 2 and the corresponding time/frequency source block of antenna opening 3 can be vacant, can also send communication data；
If the number of antennas of cell is 4, pilot symbol transmitted is 0 in the corresponding time/frequency source block of antenna opening 0
Pilot measurement information is the pilot measurement information that pilot symbol transmitted is 1 in 1 corresponding time/frequency source block in antenna opening, in day
Line mouth is the pilot measurement information that pilot symbol transmitted is 2 in 2 corresponding time/frequency source blocks, is 3 corresponding time-frequencies in antenna opening
The pilot measurement information that pilot symbol transmitted is 3 in resource block.
According to above-mentioned pilot design principle it is found that whether UE can empty by the detection corresponding time/frequency source block of antenna opening 1
Set, accurately know number of antennas be 1 neighboring community antenna configuration information, if the corresponding time/frequency source block of antenna opening 2 and/
Or the corresponding time/frequency source block of antenna opening 3 necessarily have one be it is vacant, then UE can also pass through detection the corresponding time-frequency of antenna opening 1
Whether resource block is vacant, accurately knows that number of antennas is the antenna configuration information of 2 neighboring community, at this point, the base of current area
The antenna configuration information for the neighboring community for being only 4 to UE transmission antenna number can be determined by standing.But antenna opening 2 it is corresponding when
Frequency resource block and the corresponding time/frequency source block of antenna opening 3 may be not vacant, are used to send communication data, then such case
Under, UE can not determine that antenna data is the antenna configuration of 2 neighboring community by the detection corresponding time/frequency source block of antenna opening 1
Information, in this case, then the antenna configuration information transmission for the neighboring community for being 2 and/or 4 by number of antennas there is still a need for base station
To UE.Wherein, if the antenna configuration information that base station is only hair 4 needs elder generation if UE does not receive antenna configuration information
Judge whether number of antennas is 1, if not 1, it is determined that be 2, vice versa.
Method two: the base station of current area is according to the relationship of neighboring community's type and current area type, it is determined whether will
The antenna configuration information of the neighboring community obtained in step 401 is sent to the UE.
Wherein, cell type refers to the number of antennas that cell possesses.If neighboring community's type and current area type phase
Together, it may be assumed that the number of antennas of neighboring community and the number of antennas of current area are equal, and the base station of current area is not to UE sending step
The antenna configuration information of the neighboring community obtained in 401, otherwise, the neighboring community obtained into UE sending step 401
Antenna configuration information.Such as: when the antenna configuration of neighboring community is 1,2 or 4, and the number of antennas of current area is
When 4, the base station of current area is only to the antenna configuration information of the neighboring community of UE transmission antenna number 1 and 2.
Method three: the base station of current area is according to the pass of pilot design principle and neighboring community's type and current area type
System, it is determined whether the antenna configuration information of the neighboring community obtained in step 401 is sent to the UE.
Such as: when the antenna configuration of neighboring community is 1,2 or 4, and the number of antennas of current area is 4,
The base station of current area can according to the relationship of pilot design principle and neighboring community's type and current area type, determine only to
The antenna configuration information of the neighboring community of UE transmission antenna number 2.
Certainly, in the actual use process, the base station of current area can also be former according to other pre-set transmissions
Then, it is determined whether the antenna configuration information of the neighboring community obtained in step 401 is sent to the UE, such as: when adjacent small
When the antenna configuration in area is 1,2 or 4, the neighboring community that sending strategy transmission antenna number is 2 and 4 can be set
Antenna configuration information, transmission antenna number be 1 neighboring community antenna configuration information, herein not to each case carry out
It repeats one by one.
Step 403, when needing to send the antenna configuration information of neighboring community to UE, the base station of current area is to the UE
Send the message for carrying the antenna configuration information of the neighboring community, concrete implementation method and step 302 base shown in Fig. 3
This is identical, and difference is:
The base station of current area can also be sent using antenna configuration information and be indicated according to the transmission principle in step 402
Mode the antenna configuration information of neighboring community is encoded, such as: when the transmission principle be pilot design principle ---
When the antenna configuration information for the neighboring community for being only 4 to UE transmission antenna number, the cryptoprinciple can be to be sent with 1bit
Antenna configuration information sends instruction, and 0 indicates the antenna configuration information of not sent neighboring community, and 1 indicates to have sent neighboring community
Antenna configuration information.
Certainly, the base station of current area can also according to the transmission principle in step 402, using with side described in step 302
The identical cryptoprinciple of formula, such as: in the case that in neighboring community, antenna configuration is 1,2 or 4, when the transmission is former
When being then the relationship principle of neighboring community's type and current area type, if the number of antennas of current area is 1, the volume
Code principle can be for the antenna configuration information of 1bit transmission neighboring community, (antenna including all neighboring communities matches confidence
Breath or the corresponding antenna configuration information of each cell), 0 indicates that antenna configuration is 2, and 1 indicates that antenna configuration is 4；If
The number of antennas of current area is 2, then 0 indicates that antenna configuration is 1,1 indicates that antenna configuration is 4；If current area
Number of antennas is 4, then 0 indicates that antenna configuration is 1,1 indicates that antenna configuration is 2.If necessary to the neighboring community of transmission
The different perhaps not identical spending in order to save system message or dedicated signaling in part of antenna configuration, it is each to need to send out
The corresponding antenna configuration information in the neighboring community sent can also carry in an encoded form according to pre-set cryptoprinciple
In neighboring community's antenna configuration information list that system message or dedicated signaling newly increase, which can carry neighboring community
Identification information (cell index of such as neighboring community perhaps cell ID perhaps frequency point information etc.) or neighboring community antenna
The information carried in the neighboring community's antenna configuration information list newly increased described in information of number etc. can be according to the hair of step 402
It send principle to be arranged, can also be arranged according to cryptoprinciple.Such as: as shown in table 2, when the transmission principle of step 402 sets for pilot tone
Principle is counted, and neighboring community's antenna configuration information when the antenna configuration information for the neighboring community that only transmission antenna number is 4
List, which can carry, needs the neighboring community of transmission antenna configuration information to identify (cellIndex and cellIdentity), at this point,
It does not need to carry number of antennas information or number of antennas instruction etc..
Table 2:
Step 404, the message of the antenna configuration information for the carrying neighboring community that the base station that UE receives current area is sent,
Concrete implementation method may refer to be not repeated herein described in step 303 as shown in Figure 3.
Step 405, UE obtains the antenna configuration information of neighboring community, concrete implementation method and figure from the message
Step 304 shown in 3 is essentially identical, and difference is:
When UE does not obtain some or certain from the message of the antenna configuration information with neighboring community of step 404 acquisition
It further include the antenna configuration information that neighboring community is sent according to the base station of current area when the antenna configuration information of a little neighboring communities
Principle, obtain the antenna configuration information of the neighboring community, comprising:
Firstly, the base station that UE obtains current area sends the principle of the antenna configuration information of neighboring community；
In the present embodiment, UE can send the hair of the antenna configuration information of request neighboring community to the base station of current area
The message for sending principle receives the response message that the base station returns, and it is adjacent small that the base station transmission is obtained from the response message
The principle of the antenna configuration information in area；UE can also be obtained from the system message or dedicated signaling of the base station active transmission of current area
Base station is taken to send the transmission principle of the antenna configuration information of request neighboring community；UE can also be sent according to the base station of current area
Instruction information, from pre-stored base station information list obtain base station send neighboring community antenna configuration information original
Then, such as: the base station of current area can disappear when sending the message for carrying the antenna configuration information of neighboring community to UE at this
In breath, instruction information is carried, UE receives the message of the antenna configuration information for carrying neighboring community, obtains and refer to from the message
Show information, according to the instruction information, the antenna that base station transmission neighboring community is obtained from pre-stored base station information list is matched
The principle of confidence breath；It is also not necessary to the instructions of base station by UE, are decoded according to the decoding principle of default.Certainly, in reality
Use process in, UE can also obtain by other means base station send neighboring community antenna configuration information principle letter
Breath, does not repeat each case one by one herein；
Then, UE sends the principle of the antenna configuration information of neighboring community according to the base station, obtains not in step 404
In the antenna configuration information of neighboring community that receives, comprising:
If the principle that base station sends the antenna configuration information of neighboring community is pilot design principle above-mentioned, and is only sent
The antenna configuration information for the neighboring community that number of antennas is 4, then whether the UE detection corresponding time/frequency source block of antenna opening 1 is vacant,
When to be vacant, otherwise it is 2 that the antenna configuration information of neighboring community, which is 1,；Or if the antenna that base station sends neighboring community is matched
The principle of confidence breath is pilot design principle, and the antenna configuration information for the neighboring community that only transmission antenna number is 2, then UE is examined
Whether vacant survey the corresponding time/frequency source block of antenna opening 1, when for vacant, the antenna configuration information of neighboring community is 1, otherwise for
4；
If the principle that base station sends the antenna configuration information of neighboring community is neighboring community's type and current area type
Relationship, then UE obtain current area antenna configuration information, do not include in neighbor cell list according to the information acquisition
The antenna configuration information of neighboring community；Wherein, the antenna configuration information of current area can be from system message or dedicated signaling
Middle acquisition；
If the principle that base station sends the antenna configuration information of neighboring community is pilot design principle and neighboring community's type
With the relationship of current area type, then whether vacant UE first detects the corresponding time/frequency source block of antenna opening 1, when to be vacant, phase
The antenna configuration information of adjacent cell is 1, otherwise, obtains the antenna configuration information of current area, the antenna of the neighboring community is matched
Confidence breath is identical as the antenna configuration information of current area.
In the present embodiment, the UE can also send what neighboring community was detected for signal quality to current cell base station
Antenna configuration information, concrete implementation process may refer to be not repeated herein described in embodiment as shown in Figure 3.
The method that information provided in an embodiment of the present invention sends and obtains, network side can send the day of neighboring community to UE
Line configuration information enables UE accurately to know the antenna number of neighboring community according to the antenna configuration information of the neighboring community
Mesh, and judge whether the information of time/frequency source block transmission corresponding with antenna is pilot measurement information according to the number of antennas,
To enable UE according to the pilot measurement information transmitted in the time/frequency source block, the signal quality of neighboring community is carried out quasi-
Really detection, solving the prior art can not judge whether the information of the time/frequency source block transmission is pilot measurement information, is caused
When the information of time/frequency source block transmission is communication data, according to the neighbor cell signal quality testing knot of the acquisition of information
The problem of fruit inaccuracy.Since network side can be according to pilot design principle and/or neighboring community's type and current area type
Relationship, selectively to UE send neighboring community antenna configuration information so that send neighboring community antenna configuration letter
It is less to cease the occupied communication resource, saves system overhead.
Ground is corresponded to the above method, as shown in figure 5, the embodiment of the present invention also provides a kind of base station, comprising:
Acquiring unit 501, for obtaining the antenna configuration information of neighboring community；
Transmission unit 502, for sending the message for carrying the antenna configuration information of the neighboring community to user terminal.
Further, the transmission unit 502 is also used to send to the base station of core net or the neighboring community and request
Obtain the message of the antenna configuration information of neighboring community；
The acquiring unit 501, the carrying for being also used to receive the base station return of core net or the neighboring community are adjacent
The message of the antenna configuration information of cell；Or
When establishing connection with core net, disappearing for the antenna configuration information for the carrying neighboring community that core net is sent is received
Breath.
Further, as shown in fig. 6, the base station can also include:
Determination unit 503 is used to determine whether that the antenna configuration information by the neighboring community is needed to be sent to the use
Family terminal.
Base station provided in an embodiment of the present invention can send the antenna configuration information of neighboring community to user terminal, so that
The user terminal can accurately know the number of antennas of neighboring community according to the antenna configuration information, and according to the number of antennas
Whether the information for judging time/frequency source block transmission corresponding with antenna is pilot measurement information, to enable user terminal root
According to the pilot measurement information transmitted in the time/frequency source block, the signal quality of neighboring community is accurately detected, is solved
The prior art can not judge whether the information of the time/frequency source block transmission is pilot measurement information, is caused when the running time-frequency resource
When the information of block transmission is communication data, according to asking for the neighbor cell signal quality measurements inaccuracy of the acquisition of information
Topic.Since the base station can have choosing according to pilot design principle and/or the relationship of neighboring community's type and current area type
The antenna configuration information of neighboring community is sent to selecting property to user terminal, so that sending shared by the antenna configuration information of neighboring community
The communication resource is less, saves system overhead.
As shown in fig. 7, the embodiment of the present invention also provides a kind of user terminal, comprising:
Receiving unit 701, for receiving the message for carrying the antenna configuration information of neighboring community；
Acquiring unit 702, for obtaining the antenna configuration letter of neighboring community from the received message of the receiving unit 701
Breath.
Further, the acquiring unit 702 can be also used for according to pilot design principle and/or neighboring community's type
Relationship or the pre-set antenna configuration information for sending principle and obtaining neighboring community with current area type.
Further, as shown in figure 8, the user terminal can also include:
Transmission unit 703, for sending antenna configuration information of the neighboring community for signal quality detection.
User terminal provided in an embodiment of the present invention can receive the message for carrying the antenna configuration information of neighboring community,
And the antenna configuration information of neighboring community is obtained from the message, enable user terminal according to antenna configuration information standard
Really know the number of antennas of neighboring community, and judges the letter of time/frequency source block transmission corresponding with antenna according to the number of antennas
Whether breath is pilot measurement information, so that user terminal be enable to be believed according to the pilot measurement transmitted in the time/frequency source block
Breath, accurately detects the signal quality of neighboring community, and the time/frequency source block transmission can not be judged by solving the prior art
Information whether be pilot measurement information, cause when the time/frequency source block transmit information be communication data when, according to the letter
Cease the problem of the neighbor cell signal quality measurements inaccuracy obtained.
The embodiment of the present invention also provides a kind of communication system, including base station as described in the fig 5 and 6.
Communication system provided in an embodiment of the present invention, base station can send the antenna configuration letter of neighboring community to user terminal
Breath, enables the user terminal accurately to know the number of antennas of neighboring community according to the antenna configuration information, and according to this
Number of antennas judges whether the information of time/frequency source block transmission corresponding with antenna is pilot measurement information, to keep user whole
End can accurately examine the signal quality of neighboring community according to the pilot measurement information transmitted in the time/frequency source block
It surveys, solving the prior art can not judge whether the information of the time/frequency source block transmission is pilot measurement information, causes to work as institute
When the information for stating time/frequency source block transmission is communication data, not according to the neighbor cell signal quality measurements of the acquisition of information
Accurate problem.
Information provided in an embodiment of the present invention is sent and acquisition methods, device and system, can apply in wireless communication system
In system.
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can be stored in a computer readable storage medium, such as
ROM/RAM, magnetic disk or CD etc..
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, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (28)
1. a kind of method that information is sent characterized by comprising
The base station of current area where user terminal obtains the antenna configuration information of neighboring community；
The base station encodes the antenna configuration information；
The base station sends the message of the antenna configuration information after carrying coding, the antenna after the coding to the user terminal
Configuration information is the antenna configuration information of all neighboring communities, and the antenna configuration information is for described in integrating representation
The antenna configuration situation of all neighboring communities.
2. the method according to claim 1, wherein the antenna sent after carrying coding to user terminal is matched
The message of confidence breath, comprising:
The message of the antenna configuration information after carrying the coding is sent to the user terminal according to the principle of setting.
3. according to the method described in claim 2, it is characterized in that, being sent described in carrying according to the principle of setting to user terminal
The message of antenna configuration information after coding, comprising:
According to pilot design principle, the relationship and pre-set transmission principle of neighboring community's type and current area type
In one or any combination, it is determined whether need the antenna configuration information after the coding being sent to the user terminal.
4. according to the method described in claim 3, it is characterized in that, the pilot design principle are as follows:
If the number of antennas of cell is 1, only pilot symbol transmitted is 0 to lead in the corresponding time/frequency source block of antenna opening 0
Antenna opening is that 1 corresponding time/frequency source block is vacant, in the corresponding time/frequency source block of antenna opening 2 and antenna opening 3 by frequency metrical information
Corresponding time/frequency source block is vacant or for sending communication data；
If the number of antennas of cell is 2, the pilot tone that pilot symbol transmitted is 0 in the corresponding time/frequency source block of antenna opening 0
Metrical information is the pilot measurement information that pilot symbol transmitted is 1 in 1 corresponding time/frequency source block in antenna opening, in antenna opening 2
Corresponding time/frequency source block and the corresponding time/frequency source block of antenna opening 3 are vacant or for sending communication data.
5. method described in any one of -4 according to claim 1, which is characterized in that the antenna carried after the coding
The message of configuration information is system message or dedicated signaling.
6. according to the method described in claim 5, it is characterized in that, antenna configuration information carrying disappears in the system
In the antenna configuration information field of breath or dedicated signaling.
7. according to the method described in claim 5, it is characterized in that, the dedicated signaling is wireless resource control connection reconfiguration
RRC Connection is established in RRC Connection Reconfiguration message or wireless heterogeneous networks connection
Setup message or radio resource control connection reestablishment found RRC Connection Re-establishment message.
8. a kind of method of acquisition of information characterized by comprising
User terminal receives the message for carrying the antenna configuration information of neighboring community, and the antenna configuration information is the letter after coding
It ceases, the information after the coding is that the antenna of all neighboring communities of current area where the user terminal matches confidence
Breath, antenna configuration situation of the antenna configuration information for all neighboring communities described in integrating representation；
The user terminal is decoded the antenna configuration information after the coding, determines the antenna of all neighboring communities
Configuration.
9. according to the method described in claim 8, it is characterized by further comprising:
According to the antenna configuration of all neighboring communities determined after the decoding, the time-frequency of transmission pilot measurement information is determined
Resource block.
10. according to the method described in claim 8, it is characterized by further comprising:
Send antenna configuration information of the neighboring community for signal quality detection.
11. the method according to any one of claim 8-10, which is characterized in that the message be system message or
Dedicated signaling.
12. according to the method for claim 11, which is characterized in that the antenna configuration information is carried in the system
In message or the antenna configuration information field of dedicated signaling.
13. according to the method for claim 11, which is characterized in that the dedicated signaling is wireless heterogeneous networks connection reconfiguration
It sets RRC Connection Reconfiguration message or RRC Connection is established in wireless heterogeneous networks connection
Setup message or radio resource control connection reestablishment found RRC Connection Re-establishment message.
14. a kind of information transmitting apparatus characterized by comprising
For obtaining the unit of the antenna configuration information of neighboring community, wherein the neighboring community is that user terminal place is current small
The neighboring community in area；
Unit for being encoded to the antenna configuration information；
Day for sending the unit of the message of the antenna configuration information after carrying coding to the user terminal, after the coding
Line configuration information is the antenna configuration information of all neighboring communities, and the antenna configuration information is used for integrating representation institute
State the antenna configuration situation of all neighboring communities.
15. information transmitting apparatus according to claim 14, which is characterized in that
The unit of the message for the antenna configuration information after sending from carrying coding to user terminal, comprising: be used for basis
The principle of setting sends the unit of the message of the antenna configuration information after carrying the coding to the user terminal.
16. information transmitting apparatus according to claim 15, which is characterized in that
The principle for according to setting sends the message of the antenna configuration information after carrying the coding to user terminal
Unit, specifically for according to the relationship of pilot design principle, neighboring community's type and current area type and pre-set
Send one or any combination in principle, it is determined whether need the antenna configuration information after the coding being sent to the use
Family terminal.
17. information transmitting apparatus according to claim 16, which is characterized in that
The pilot design principle are as follows:
If the number of antennas of cell is 1, only pilot symbol transmitted is 0 to lead in the corresponding time/frequency source block of antenna opening 0
Antenna opening is that 1 corresponding time/frequency source block is vacant, in the corresponding time/frequency source block of antenna opening 2 and antenna opening 3 by frequency metrical information
Corresponding time/frequency source block is vacant or for sending communication data；
If the number of antennas of cell is 2, the pilot tone that pilot symbol transmitted is 0 in the corresponding time/frequency source block of antenna opening 0
Metrical information is the pilot measurement information that pilot symbol transmitted is 1 in 1 corresponding time/frequency source block in antenna opening, in antenna opening 2
Corresponding time/frequency source block and the corresponding time/frequency source block of antenna opening 3 are vacant or for sending communication data.
18. information transmitting apparatus described in any one of 4-17 according to claim 1, which is characterized in that described in the carrying
The message of antenna configuration information after coding is system message or dedicated signaling.
19. information transmitting apparatus according to claim 18, which is characterized in that the antenna configuration information carries
In the system message or the antenna configuration information field of dedicated signaling.
20. information transmitting apparatus according to claim 18, which is characterized in that the dedicated signaling is wireless heterogeneous networks
Connection reconfiguration sets RRC Connection Reconfiguration message or RRC is established in wireless heterogeneous networks connection
Connection Setup message or radio resource control connection reestablishment found RRC Connection Re-
Establishment message.
21. a kind of information acquisition device characterized by comprising
For receiving the unit for carrying the message of antenna configuration information of neighboring community, the antenna configuration information is after encoding
Information, the information after the coding are the antenna configuration information of all neighboring communities of current area where user terminal,
Antenna configuration situation of the antenna configuration information for all neighboring communities described in integrating representation；
For being decoded to the antenna configuration information after the coding, the list of the antenna configuration of all neighboring communities is determined
Member.
22. information acquisition device according to claim 21, which is characterized in that further comprise:
For the antenna configuration according to all neighboring communities determined after the decoding, transmission pilot measurement information is determined
The unit of time/frequency source block.
23. information acquisition device according to claim 21, which is characterized in that further include:
For sending unit of the neighboring community for the antenna configuration information of signal quality detection.
24. according to information acquisition device described in claim 21-23 any one, which is characterized in that the message is system
Message or dedicated signaling.
25. information acquisition device according to claim 24, which is characterized in that the dedicated signaling is wireless heterogeneous networks
Connection reconfiguration sets RRC Connection Reconfiguration message or RRC is established in wireless heterogeneous networks connection
Connection Setup message or radio resource control connection reestablishment found RRC Connection Re-
Establishment message.
26. information acquisition device according to claim 24, which is characterized in that the antenna configuration information carries
In the system message or the antenna configuration information field of dedicated signaling.
27. a kind of communication system characterized by comprising
Base station encodes the antenna configuration information for obtaining the antenna configuration information of neighboring community, to user terminal
The message of the antenna configuration information after carrying coding is sent, the antenna configuration information after the coding is the comprehensive of all neighboring communities
Close antenna configuration information, antenna configuration feelings of the antenna configuration information for all neighboring communities described in integrating representation
Condition.
28. a kind of computer storage medium, for storing computer program, described program is performed, so that the right is wanted
Method described in 8 to 13 any one is asked to be performed.
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| CN200980122141.8A CN102217209B (en) | 2009-01-13 | 2009-01-13 | Method, device and system for information transmitting and obtaining |
| CN201510367422.7A CN104980976B (en) | 2009-01-13 | 2009-01-13 | The methods, devices and systems that information sends and obtains |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1458209A2 (en) * | 2003-03-08 | 2004-09-15 | Samsung Electronics Co., Ltd. | System and method for deciding on a base station requested handover in a broadband wireless communication system |
| EP1780968A1 (en) * | 2005-10-28 | 2007-05-02 | Alcatel Lucent | OFDM based transmission in a cellular single frequency network with a pilot adapted channel multiplexing structure |
| CN101171804A (en) * | 2005-03-10 | 2008-04-30 | 高通股份有限公司 | Method and apparatus for automatic configuration of wireless communication networks |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536585A (en) * | 2006-11-17 | 2009-09-16 | 艾利森电话股份有限公司 | Transmission of special neighbor cell lists |
| US7889801B2 (en) * | 2007-02-14 | 2011-02-15 | Telefonaktiebolaget L M Ericsson (Publ) | Multi transmit antenna synchronization channel transmission cell ID detection |
-
2009
- 2009-01-13 CN CN201510367422.7A patent/CN104980976B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1458209A2 (en) * | 2003-03-08 | 2004-09-15 | Samsung Electronics Co., Ltd. | System and method for deciding on a base station requested handover in a broadband wireless communication system |
| CN101171804A (en) * | 2005-03-10 | 2008-04-30 | 高通股份有限公司 | Method and apparatus for automatic configuration of wireless communication networks |
| EP1780968A1 (en) * | 2005-10-28 | 2007-05-02 | Alcatel Lucent | OFDM based transmission in a cellular single frequency network with a pilot adapted channel multiplexing structure |
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