CN101547041B - Method, device and system for calibration control of communication channel in radio base station - Google Patents
Method, device and system for calibration control of communication channel in radio base station Download PDFInfo
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Abstract
The invention discloses a calibration control method for a communication channel in a radio base station. The method comprises: a radio equipment (RE) receiving a radio equipment control (REC) system time, according to the received REC system time increasing accumulative time, acquiring an RE system time and performing initialization calibration to the communication channel, and reporting the result to the REC, the result comprising the RE system time; the REC acquiring the difference between the RE system time and the REC system time according to the RE system time; taking one half of the difference as a bias of the RE system time and the REC system time, and performing time synchronization treatment to the REC and RE. The invention also discloses the RE, the REC and a radio base station system in the radio base station. Due to the adoption of the invention, the accurate timing to the application layer of the equipment can be realized, and the influence to the communication channel due to unstable consistency of the amplitude phase of the communication channel under the operational mode of the antenna array of the RE also can be avoided.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to adjustment controlling means, the equipment and system of communication channel in radio base station.
Background technology
In recent years, along with the development of radio communication system base station designing technique, the radio control set in the radio base station (REC) trends towards physical separation with wireless device (RE), and for example, RE can be near antenna, and REC is positioned at is convenient to access place.REC carries out base band signal process, and each RE changes between base band and radio frequency, and by one or more antenna transmissions or reception information.REC is connected with a plurality of long-range RE by dedicated optical links independently.Each link is descending transmission data from REC to RE, from RE to the REC uplink data.
Data interaction between REC and the RE can be applied to the wireless communication system that TD-SCDMA etc. uses smart antenna.For this class wireless communication system, the calibration of communication port is the prerequisite of system's normal operation.Because the quality of calibration effect will directly affect the performance of smart antenna effect, therefore, be necessary the calibration process of communication port is controlled.
The calibration steps that two kinds of communication ports are arranged based on present industry, a kind of is the calibration that is communicated passage by RE, another kind is the calibration that is communicated passage by REC, thereby when implementing adjustment controlling means, if communicated the calibration of passage by REC, then calibrate control by REC, comprise start-up time and cycle that control is calibrated, RE cooperates the calibration of finishing communication port by the instruction of REC.If communicated the calibration of passage by RE, then REC need to inform when RE starts the cycle of calibrate and calibrate, and RE need to inform REC with calibration result.
The inventor finds to exist following technical need in realizing process of the present invention:
One, in the radio base station of distributed frame, general, REC is connected a pair of optical fiber and connects with RE.In order to satisfy the multifarious requirement of System Expansion and network configuration, can expand multiple connected mode between REC and the RE, such as star-like connection, namely a plurality of RE serve same REC, and and for example, chain connects and is connected connection, namely interconnects between a plurality of RE.Continuous increase along with type of attachment, because the timing offset of the possible equipment application layer that the data transmission period between REC and the RE is introduced is with increasing, in addition, development along with technology, requirement to the equipment timing accuracy will be more and more higher, therefore, be necessary to take appropriate measures, solve the timing accuracy problem of equipment application layer in the radio base station.
Two, in the base station equipment of distributed frame, RE is comprised of a plurality of communication ports.Continuous evolution along with technology, to introduce antenna array between each communication port of different RE, be that communication port between the different RE can make up mutually, serve different residential quarters, this each communication port that same RE just occurred belongs to the situation of different districts; Moreover the amplitude-phase consistency of each communication port of RE has unsteadiness, changes such as the meeting variation with temperature, therefore, is necessary to take appropriate measures, avoid RE with the antenna array working method under because the impact that communication port is caused of this unsteadiness.
Summary of the invention
The embodiment of the invention provides a kind of adjustment controlling means of communication channel in radio base station, and in order to realize the accurate timing to the equipment application layer, the method comprises:
Wireless device RE in the radio base station receives the radio control set REC system time in the radio base station, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time; And communication port carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time;
REC obtains the difference between RE system time and the REC system time according to the RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
The embodiment of the invention provides a kind of adjustment controlling means of communication channel in radio base station, and in order to the impact of avoiding because the amplitude-phase consistency of communication port has unsteadiness communication port being caused under with the antenna array working method at RE, the method comprises:
Wireless device RE in the radio base station receives the radio control set REC system time in the radio base station, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time; And communication port carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time;
REC obtains the difference between RE system time and the REC system time according to the RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE;
REC provides the configuration parameter that communication port is carried out periodic calibration to RE, wherein, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
RE carries out parameter configuration according to described configuration parameter to periodic calibration;
RE carries out periodic calibration by described parameter configuration to communication port.
The embodiment of the invention also provides the RE of the wireless device in a kind of radio base station, and in order to realize the accurate timing to the equipment application layer, this RE comprises:
The initialization of calibration module is used for receiving the radio control set REC system time of radio base station, and according to the REC system time increase accumulative total timing that receives, obtains the RE system time, and communication port is carried out initialization of calibration;
Initialization of calibration is reporting module as a result, is used for reporting the initialization of calibration result, and described initialization of calibration result comprises the RE system time; Described RE system time is used for REC and obtains difference between this RE system time and the REC system time according to this RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
The embodiment of the invention also provides the REC of the radio control set in a kind of radio base station, and in order to realize the accurate timing to the equipment application layer, this REC comprises:
Receiver module, the wireless device RE that is used for the reception radio base station carries out the result of initialization of calibration to communication port, and described initialization of calibration result comprises the RE system time; Described RE system time is used for receiving the REC system time by RE, and increases the accumulative total timing according to the REC system time that receives, and obtains this RE system time; And communication port carried out initialization of calibration, the initialization of calibration result is reported REC;
Synchronous processing module is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
The embodiment of the invention also provides the RE of the wireless device in a kind of radio base station, and in order to the impact of avoiding because the amplitude-phase consistency of communication port has unsteadiness communication port being caused under with the antenna array working method at RE, this RE comprises:
The initialization of calibration module is used for receiving the radio control set REC system time of radio base station, and according to the REC system time increase accumulative total timing that receives, obtains the RE system time, and communication port is carried out initialization of calibration;
Initialization of calibration is reporting module as a result, is used for reporting the initialization of calibration result, and described initialization of calibration result comprises the RE system time; Described RE system time is used for REC and obtains difference between this RE system time and the REC system time according to this RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE;
Receiver module be used for to receive the configuration parameter that communication port is carried out periodic calibration, and described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
The periodic calibration parameter configuration module is used for according to described configuration parameter, and periodic calibration is carried out parameter configuration;
The periodic calibration module is used for by described parameter configuration communication port being carried out periodic calibration.
The embodiment of the invention also provides the REC of the radio control set in a kind of radio base station, and in order to the impact of avoiding because the amplitude-phase consistency of communication port has unsteadiness communication port being caused under with the antenna array working method at RE, this REC comprises:
Receiver module, the wireless device RE that is used for the reception radio base station carries out the result of initialization of calibration to communication port, and described initialization of calibration result comprises the RE system time; Described RE system time is used for receiving the REC system time by RE, and increases the accumulative total timing according to the REC system time that receives, and obtains this RE system time; And communication port carried out initialization of calibration, the initialization of calibration result is reported REC;
Synchronous processing module is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE;
Generation module be used for to generate the configuration parameter that communication port is carried out periodic calibration, and described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
Sending module is used for providing described configuration parameter.
The embodiment of the invention also provides a kind of radio base station system, and in order to realize the accurate timing to the equipment application layer, this system comprises wireless device RE and radio control set REC, wherein:
RE is used for receiving the radio control set REC system time of radio base station, and according to the REC system time increase accumulative total timing that receives, obtains the RE system time; Communication port is carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time;
REC is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
The embodiment of the invention also provides a kind of radio base station system, in order to the impact of avoiding because the amplitude-phase consistency of communication port has unsteadiness communication port being caused under with the antenna array working method at RE, this system comprises wireless device RE and radio control set REC, wherein:
REC is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE; And provide the configuration parameter that communication port is carried out periodic calibration to RE, wherein, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
RE is used for receiving the REC system time, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time; And communication port carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time; And according to described configuration parameter, periodic calibration is carried out parameter configuration; And, by described parameter configuration, communication port is carried out periodic calibration.
In the embodiment of the invention, the wireless device RE in the radio base station carries out initialization of calibration to communication port, and the initialization of calibration result is reported radio control set REC in the radio base station, and described initialization of calibration result comprises the RE system time; According to the RE system time, REC and RE are carried out time synchronizing, can avoid because the equipment timing offset that data transmission period is introduced between REC and the RE, thereby realize accurate timing to the equipment application layer.
In the embodiment of the invention, radio control set REC in the radio base station provides the configuration parameter that communication port is carried out periodic calibration to wireless device RE, wherein, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; RE is according to described configuration parameter, periodic calibration is carried out parameter configuration, and, by described parameter configuration, communication port is carried out periodic calibration, can avoid RE because the unsteadiness that the amplitude-phase consistency of communication port has, the impact that communication port is caused, and can be adapted to the antenna array working method of RE, be convenient to follow-up realization minute residential quarter control.
Description of drawings
Fig. 1, Fig. 2 are the adjustment controlling means flow chart of communication channel in radio base station in the embodiment of the invention;
Fig. 3, Fig. 4, Fig. 7 are the structural representation of the wireless device RE in the radio base station in the embodiment of the invention;
Fig. 5, Fig. 6, Fig. 8 are the structural representation of the radio control set REC in the radio base station in the embodiment of the invention;
Fig. 9 is the structural representation of radio base station system in the embodiment of the invention.
Embodiment
Below in conjunction with Figure of description embodiment of the invention method is elaborated.
As shown in Figure 1, among the embodiment, the adjustment controlling means flow process of communication channel in radio base station is as follows:
Wireless device RE in step 11, the radio base station carries out initialization of calibration to communication port, and the initialization of calibration result is reported radio control set REC in the radio base station, and this initialization of calibration result comprises the RE system time.
By flow process shown in Figure 1 as can be known, for solving the timing accuracy problem of equipment application layer in the radio base station, the embodiment of the invention is at the RE access network initial stage, by reporting the RE system time, to realize accurate timing.When the RE access network, finish after the Path Setup with REC, RE can carry out initialization of calibration to each communication port of inside, and then the result with initialization of calibration reports REC, reflects the availability of every passage.
Initialization of calibration result comprises the RE system time, can also comprise: the baseband signal of transmission channel is demarcated the demarcation output of amplitude, antenna element in the communication port, and the baseband signal of receive path is demarcated the demarcation input of amplitude, antenna element.
Among the embodiment, RE reports the initialization of calibration result before the REC, and RE receives the REC system time, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time.In the enforcement, REC can carry out in the Path Setup at RE and REC, and the message by relevant configures the REC system time to RE.After this RE equipment is according to the clock of REC system time and RE, and the RE system time is safeguarded in the accumulative total timing.This wherein will introduce the transmission time T1 that is sent a message to RE by REC.
RE gives the correct time carrying out the initialization of calibration result, the RE system time is reported REC check.This wherein will introduce RE by initialization of calibration as a result reporting message the RE system time is sent to the transmission time T2 that REC experiences.
Because up-downgoing uses optical fiber to connect between REC and the RE, can be similar to and think T1=T2.
Follow-up according to the RE system time, REC and RE are carried out time synchronizing can be comprised: REC compares the REC system time with the RE system time that receives, obtain the difference between RE system time and the REC system time; Half of this difference as the deviation between RE system time and the REC system time, carried out time synchronizing by this deviation to REC and RE, thereby realize regularly accurate.
Among the embodiment, RE is when reporting initialization of calibration as a result to REC, and the message that reports can be by IE(Information Element, message elements) form, the least unit that IE consists of as message, different IE can realize repeating to call in different message.As shown in table 1, the initialization of calibration of transmission channel as a result IE can be as follows:
The initialization of calibration of table 1 transmission channel is IE as a result
As shown in table 2, the initialization of calibration of receive path as a result IE can be as follows:
The initialization of calibration of table 2 receive path is IE as a result
As shown in table 3, RE system time IE can be as follows:
Table 3RE system time IE
| Domain name claims | The value explanation | Type | Length |
| 1 | The |
11 | Unsigned short | 2BYTE |
| 2 | IE length | 11BYTE | Unsigned short | 2BYTE |
| 3 | Second | 0-59 | Unsigned Char | 1BYTE |
| 4 | Minute | 0-59 | Unsigned Char | 1BYTE |
| 5 | The time | 0-23 | Unsigned Char | 1BYTE |
| 6 | Day | 1-31 | Unsigned Char | 1BYTE |
| 7 | Month | 1-12 | Unsigned Char | 1BYTE |
| 8 | Year | 1997-2099 | Unsigned Short | 2BYTE |
As shown in Figure 2, among the embodiment, the adjustment controlling means flow process of communication channel in radio base station is as follows:
Radio control set REC in step 21, the radio base station provides the configuration parameter that communication port is carried out periodic calibration to wireless device RE, wherein, configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID.
Step 22, RE carry out parameter configuration according to configuration parameter to periodic calibration.
Step 23, RE carry out periodic calibration by this parameter configuration to communication port.
By flow process shown in Figure 2 as can be known, because the amplitude-phase consistency of each communication port of RE has unsteadiness, changes such as the meeting variation with temperature, therefore in embodiments of the present invention, carry out periodic calibration by RE, with guarantee business carry out in the availability of every communication port.In the enforcement, flow process shown in Figure 2 can be implemented separately, also can be combined with the control method of flow process shown in Figure 1 and aforementioned initialization of calibration enforcement, namely after initialization of calibration is finished, carries out control and the enforcement of periodic calibration.
Before periodic calibration, REC need to provide the configuration parameter that carries out periodic calibration to RE, in configuration parameter, include calibration cycle, calibration start-up time, align mode, and cell ID, can learn, owing in configuration parameter, having introduced cell ID, can realize minute residential quarter control to communication port.
Cell ID can be configured to calibration cycle, calibrate independently parameter of start-up time, align mode phase, be handed down to RE by REC, in the enforcement, also can adopt the aforementioned message that makes up with the IE form, be handed down to RE by REC, in each IE of calibration cycle, calibration start-up time, align mode, carry cell ID.As shown in table 4, the align mode IE of periodic calibration can be as follows:
The align mode IE of table 4 periodic calibration
As shown in table 5, the calibration cycle IE of periodic calibration can be as follows:
The calibration cycle IE of table 5 periodic calibration
| Sequence number | Domain name claims | The value explanation | Type | Length |
| 1 | The IE sign | 612 | Unsigned short | 2BYTE |
| 2 | IE length | 10BYTE | Unsigned short | 2BYTE |
| 3 | Cell ID | Unsigned Long | 4BYTE | |
| 4 | Calibration cycle | Unit: second | Unsigned short | 2BYTE |
As shown in table 6, calibration IE start-up time of periodic calibration can be as follows:
Calibration IE start-up time of table 6 periodic calibration
RE is according to the configuration parameter that receives, after periodic calibration carried out parameter configuration, can return configuration response to REC, align mode comprising periodic calibration responds IE, calibration cycle responds IE and calibrates and responds IE start-up time, as shown in table 7, the align mode of periodic calibration response IE or calibration cycle response IE or calibration respond IE start-up time can be as follows:
The align mode response IE/ calibration cycle response IE/ of table 7 periodic calibration calibrates and responds IE start-up time
Because RE communicates calibration and when compensation of passage, REC thinks that in theory the communication port of RE is the mutually consistent desirable passage that satisfies system requirements of the width of cloth, yet in fact, the amplitude-phase consistency of each communication port of RE has unsteadiness, in case RE finds the communication port of self and goes wrong in calibration process, if can not in time inform REC, REC will carrier wave and user assignment to the communication port that has gone wrong, thereby cause conversation loss.
For addressing the above problem, in the embodiment of the invention, RE offers REC with the periodic calibration result of communication port, make REC can in time understand the channel status of RE, unusual when finding that passage occurs, the processing of can taking in time to degrade will drop to user's impact minimum.
Among the embodiment, after RE carries out periodic calibration, by RE to REC report cycle calibration result, or, by REC to RE polling cycle property calibration result; Wherein, the periodic calibration result who reports comprises cell ID.In the enforcement, periodic calibration result can also comprise the calibration factor of antenna calibration type, antenna mode, antenna group number, carrier number, antenna condition, each transceiver channel and calibration result one of them or combination in any.
Among the embodiment, during to RE polling cycle property calibration result, periodic calibration result queries request IE can be as shown in table 8 by REC:
Table 8 periodic calibration result queries request IE
| Sequence number | Domain name claims | The value explanation | Type | Length |
| 1 | The IE sign | 631 | Unsigned short | 2BYTE |
| 2 | IE length | 6BYTE | Unsigned short | 2BYTE |
| 3 | The antenna group number | 1－8 | Unsigned char | 1BYTE |
| 4 | Carrier number | 1－6 | Unsigned char | 1BYTE |
Among the embodiment, during to RE polling cycle property calibration result, the calibration result inquiry response IE of periodic calibration can be as shown in table 9 by REC; By RE during to REC report cycle calibration result, the calibration result of periodic calibration reports the IE also can be as shown in table 9:
The calibration result inquiry response IE/ calibration result of table 9 periodic calibration reports IE
Among the embodiment, can under test pattern, between twice periodic calibration of RE, carry out single step calibration.Embodiment can send the single step calibration request to RE by REC; RE carries out primary calibration according to the single step calibration request to communication port, and to REC feedback step calibration result.
If it is will cause certain interference to normal business owing to carrying out the single step calibration under normal mode that the single step calibration is implemented under the test pattern, there is certain risk; And under test pattern, carry out single step calibration, and can immediately obtain the result that calibrates, and can ongoing regular traffic not impacted, can guarantee the working properly of RE, improve stability and the reliability of equipment.An embodiment is as shown in table 10, and single step calibration request IE can be as follows:
Table 10 single step calibration request IE
The single step calibration result comprises the calibration result of receive path in the communication port and/or the calibration result of transmission channel, and an embodiment is as shown in table 11, and the calibration result IE of receive path or the calibration result IE of transmission channel can be as follows:
The calibration result IE of the calibration result IE/ transmission channel of table 11 receive path
The single step calibration result can also comprise system time IE, and parameter-definition wherein can be as shown in table 3.Follow-up REC can carry out time synchronizing to REC and RE according to the RE system time that receives, concrete time synchronizing process can with aforementioned initialization of calibration control procedure in the time synchronizing process similar.
Based on same inventive concept, the embodiment of the invention also provides the RE of the wireless device in a kind of radio base station, and its structure comprises as shown in Figure 3: initialization of calibration module 31 is used for communication port is carried out initialization of calibration; Initialization of calibration is reporting module 32 as a result, is used for reporting the initialization of calibration result, and wherein, initialization of calibration result comprises the RE system time.
As shown in Figure 4, among the embodiment, RE shown in Figure 3 can also comprise: receiver module 33 is used for receiving the configuration parameter that communication port is carried out periodic calibration, wherein, configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; Periodic calibration parameter configuration module 34 is used for according to configuration parameter, and periodic calibration is carried out parameter configuration; Periodic calibration module 35 is used for by parameter configuration communication port being carried out periodic calibration.
Based on same inventive concept, the embodiment of the invention also provides the REC of the radio control set in a kind of radio base station, its structure as shown in Figure 5, comprise: receiver module 51, the wireless device RE that is used for the reception radio base station carries out the result of initialization of calibration to communication port, wherein, the initialization of calibration result comprises the RE system time; Synchronous processing module 52 is used for according to the RE system time, and REC and RE are carried out time synchronizing.
As shown in Figure 6, among the embodiment, REC shown in Figure 5 can also comprise: generation module 53 is used for generating the configuration parameter that communication port is carried out periodic calibration, wherein, configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; Sending module 54 is used for providing configuration parameter.
Based on same inventive concept, the embodiment of the invention also provides the RE of the wireless device in a kind of radio base station, its structure as shown in Figure 7, comprise: receiver module 33, be used for receiving the configuration parameter that communication port is carried out periodic calibration, wherein, configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; Periodic calibration parameter configuration module 34 is used for according to configuration parameter, and periodic calibration is carried out parameter configuration; Periodic calibration module 35 is used for by parameter configuration communication port being carried out periodic calibration.
Based on same inventive concept, the embodiment of the invention also provides the REC of the radio control set in a kind of radio base station, its structure as shown in Figure 8, comprise: generation module 53, be used for generating the configuration parameter that communication port is carried out periodic calibration, wherein, configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; Sending module 54 is used for providing configuration parameter.
Based on same inventive concept, the embodiment of the invention also provides a kind of radio base station system, its structure as shown in Figure 9, comprise wireless device RE91 and radio control set REC92, wherein: RE91, be used for communication port is carried out initialization of calibration, and the initialization of calibration result is reported REC92, this initialization of calibration result comprises the RE91 system time; REC92 is used for according to the RE91 system time, and REC92 and RE91 are carried out time synchronizing.
Based on same inventive concept, the embodiment of the invention also provides a kind of radio base station system, its structure is identical with radio base station system shown in Figure 9, comprise equally wireless device RE91 and radio control set REC92, but among this embodiment, REC92 is used for providing the configuration parameter that communication port is carried out periodic calibration to RE91, wherein, configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; RE91 is used for according to configuration parameter, and periodic calibration is carried out parameter configuration; And, by parameter configuration, communication port is carried out periodic calibration.
One of ordinary skill in the art will appreciate that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
In the embodiment of the invention, the wireless device RE in the radio base station carries out initialization of calibration to communication port, and the initialization of calibration result is reported radio control set REC in the radio base station, and described initialization of calibration result comprises the RE system time; According to the RE system time, REC and RE are carried out time synchronizing, can avoid because the equipment timing offset that data transmission period is introduced between REC and the RE, thereby realize accurate timing to the equipment application layer.
In the embodiment of the invention, radio control set REC in the radio base station provides the configuration parameter that communication port is carried out periodic calibration to wireless device RE, wherein, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID; RE is according to described configuration parameter, periodic calibration is carried out parameter configuration, and, by described parameter configuration, communication port is carried out periodic calibration, can avoid RE because the unsteadiness that the amplitude-phase consistency of communication port has, the impact that communication port is caused, and can be adapted to the antenna array working method of RE, realize minute residential quarter control.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. the adjustment controlling means of a communication channel in radio base station is characterized in that, the method comprises:
Wireless device RE in the radio base station receives the radio control set REC system time in the radio base station, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time; And communication port carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time;
REC obtains the difference between RE system time and the REC system time according to the RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
2. the method for claim 1, it is characterized in that, described initialization of calibration result also comprises the baseband signal demarcation amplitude of transmission channel in the described communication port, the demarcation output of antenna element, and the baseband signal of receive path is demarcated the demarcation input of amplitude, antenna element.
3. such as claim 1 or 2 each described methods, it is characterized in that, the method further comprises:
REC provides the configuration parameter that communication port is carried out periodic calibration to RE, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
RE carries out parameter configuration according to described configuration parameter to periodic calibration;
RE carries out periodic calibration by described parameter configuration to communication port.
4. method as claimed in claim 3 is characterized in that, after RE carries out periodic calibration, by RE to REC report cycle calibration result, or, by REC to RE polling cycle property calibration result;
Wherein, described periodic calibration result comprises cell ID.
5. method as claimed in claim 4, it is characterized in that, described periodic calibration result also comprises: the calibration factor of antenna calibration type, antenna mode, antenna group number, carrier number, antenna condition, each transceiver channel and calibration result one of them or combination in any.
6. method as claimed in claim 3 is characterized in that, under test pattern, the method further comprises:
Between twice periodic calibration of RE, REC sends the single step calibration request to RE;
RE carries out primary calibration according to described single step calibration request to communication port, and to REC feedback step calibration result, described single step calibration result comprises the calibration result of receive path in the communication port and/or the calibration result of transmission channel.
7. method as claimed in claim 6 is characterized in that, described single step calibration result also comprises the RE system time; The method further comprises: according to the RE system time, REC and RE are carried out time synchronizing.
8. the adjustment controlling means of a communication channel in radio base station is characterized in that, the method comprises:
Wireless device RE in the radio base station receives the radio control set REC system time in the radio base station, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time; And communication port carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time;
REC obtains the difference between RE system time and the REC system time according to the RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE;
REC provides the configuration parameter that communication port is carried out periodic calibration to RE, wherein, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
RE carries out parameter configuration according to described configuration parameter to periodic calibration;
RE carries out periodic calibration by described parameter configuration to communication port.
9. method as claimed in claim 8 is characterized in that, after RE carries out periodic calibration, by RE to REC report cycle calibration result, or, by REC to RE polling cycle property calibration result;
Wherein, described periodic calibration result comprises cell ID.
10. method as claimed in claim 9, it is characterized in that, described periodic calibration result also comprises: the calibration factor of antenna calibration type, antenna mode, antenna group number, carrier number, antenna condition, each transceiver channel and calibration result one of them or combination in any.
11. method as claimed in claim 8 is characterized in that, under test pattern, the method further comprises:
Between twice periodic calibration of RE, REC sends the single step calibration request to RE;
RE carries out primary calibration according to described single step calibration request to communication port, and to REC feedback step calibration result, described single step calibration result comprises the calibration result of receive path in the communication port and/or the calibration result of transmission channel.
12. method as claimed in claim 11 is characterized in that, described single step calibration result also comprises the RE system time; The method further comprises: according to the RE system time, REC and RE are carried out time synchronizing.
13. the wireless device RE in the radio base station is characterized in that, comprising:
The initialization of calibration module is used for receiving the radio control set REC system time of radio base station, and according to the REC system time increase accumulative total timing that receives, obtains the RE system time, and communication port is carried out initialization of calibration;
Initialization of calibration is reporting module as a result, is used for reporting the initialization of calibration result, and described initialization of calibration result comprises the RE system time; Described RE system time is used for REC and obtains difference between this RE system time and the REC system time according to this RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
14. RE as claimed in claim 13 is characterized in that, also comprises:
Receiver module be used for to receive the configuration parameter that communication port is carried out periodic calibration, and described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
The periodic calibration parameter configuration module is used for according to described configuration parameter, and periodic calibration is carried out parameter configuration;
The periodic calibration module is used for by described parameter configuration communication port being carried out periodic calibration.
15. the radio control set REC in the radio base station is characterized in that, comprising:
Receiver module, the wireless device RE that is used for the reception radio base station carries out the result of initialization of calibration to communication port, and described initialization of calibration result comprises the RE system time; Described RE system time is used for receiving the REC system time by RE, and increases the accumulative total timing according to the REC system time that receives, and obtains this RE system time; And communication port carried out initialization of calibration, the initialization of calibration result is reported REC;
Synchronous processing module is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
16. REC as claimed in claim 15 is characterized in that, also comprises:
Generation module be used for to generate the configuration parameter that communication port is carried out periodic calibration, and described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
Sending module is used for providing described configuration parameter.
17. the wireless device RE in the radio base station is characterized in that, comprising:
The initialization of calibration module is used for receiving the radio control set REC system time of radio base station, and according to the REC system time increase accumulative total timing that receives, obtains the RE system time, and communication port is carried out initialization of calibration;
Initialization of calibration is reporting module as a result, is used for reporting the initialization of calibration result, and described initialization of calibration result comprises the RE system time; Described RE system time is used for REC and obtains difference between this RE system time and the REC system time according to this RE system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE;
Receiver module be used for to receive the configuration parameter that communication port is carried out periodic calibration, and described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
The periodic calibration parameter configuration module is used for according to described configuration parameter, and periodic calibration is carried out parameter configuration;
The periodic calibration module is used for by described parameter configuration communication port being carried out periodic calibration.
18. the radio control set REC in the radio base station is characterized in that, comprising:
Receiver module, the wireless device RE that is used for the reception radio base station carries out the result of initialization of calibration to communication port, and described initialization of calibration result comprises the RE system time; Described RE system time is used for receiving the REC system time by RE, and increases the accumulative total timing according to the REC system time that receives, and obtains this RE system time; And communication port carried out initialization of calibration, the initialization of calibration result is reported REC;
Synchronous processing module is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE;
Generation module be used for to generate the configuration parameter that communication port is carried out periodic calibration, and described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
Sending module is used for providing described configuration parameter; Described configuration parameter is used for RE according to described configuration parameter, and periodic calibration is carried out parameter configuration; RE carries out periodic calibration by described parameter configuration to communication port.
19. a radio base station system is characterized in that, comprises wireless device RE and radio control set REC, wherein:
RE is used for receiving the radio control set REC system time of radio base station, and according to the REC system time increase accumulative total timing that receives, obtains the RE system time; Communication port is carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time;
REC is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE.
20. a radio base station system is characterized in that, comprises wireless device RE and radio control set REC, wherein:
REC is used for according to the RE system time, obtains the difference between RE system time and the REC system time; Half of described difference as the deviation between RE system time and the REC system time, carried out time synchronizing by described deviation to REC and RE; And provide the configuration parameter that communication port is carried out periodic calibration to RE, wherein, described configuration parameter comprises calibration cycle, calibration start-up time, align mode, and cell ID;
RE is used for receiving the REC system time, and increases the accumulative total timing according to the REC system time that receives, and obtains the RE system time; And communication port carried out initialization of calibration, and the initialization of calibration result is reported REC, described initialization of calibration result comprises the RE system time; And according to described configuration parameter, periodic calibration is carried out parameter configuration; And, by described parameter configuration, communication port is carried out periodic calibration.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1879438A (en) * | 2003-12-10 | 2006-12-13 | 松下电器产业株式会社 | Inter-station transmission method, radio base station monitoring method, and device using the method |
| CN1881840A (en) * | 2005-06-14 | 2006-12-20 | 上海华为技术有限公司 | Method for holding every antenna port downlink data synchronization of the same base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1879438A (en) * | 2003-12-10 | 2006-12-13 | 松下电器产业株式会社 | Inter-station transmission method, radio base station monitoring method, and device using the method |
| CN1881840A (en) * | 2005-06-14 | 2006-12-20 | 上海华为技术有限公司 | Method for holding every antenna port downlink data synchronization of the same base station |
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