CN102711081A - Method and device for scanning electrical tilt devices - Google Patents
Method and device for scanning electrical tilt devices Download PDFInfo
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- CN102711081A CN102711081A CN2012101384118A CN201210138411A CN102711081A CN 102711081 A CN102711081 A CN 102711081A CN 2012101384118 A CN2012101384118 A CN 2012101384118A CN 201210138411 A CN201210138411 A CN 201210138411A CN 102711081 A CN102711081 A CN 102711081A
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Abstract
An embodiment of the invention provides a method and a device for scanning electrical tilt devices and aims to realize normal communication of a master device with the electrical tilt devices in an electrical tilt antenna with various AISG (antenna interface standards group) protocol versions in coexistence. The method includes: using each electrical tilt device to receive a device scanning frame sent by the master device, wherein the device scanning frame carries a mask and a serial number; using each electrical tilt device to store the mask and the serial number and identify the AISG protocol version of the master device according to the mask and the serial number; and enabling each electrical tilt device to reply to a device response frame of a corresponding version to the master device according to the identified AISG protocol version when response conditions are met.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and apparatus that a kind of electricity is transferred device scan.
Background technology
Antenna is the visual plant in the GSM, and in GSM, electrical tilt antenna has become main flow; So-called electrical tilt antenna is meant the antenna that uses electronics adjustment aerial radiation downwards bevel beam angle; Through being positioned at the maintenance system of base station, adjust the lower decline angle of antenna, optimize network.
At present; Electricity in the electrical tilt antenna transfers equipment and main equipment can support AISG (the Antenna Interface Standards Group of different editions; Antenna Interface Standards Group) agreement, for example the AISG V2.0 of the AISG V1.1 of lowest version, highest version or AISG V2.1 are well not compatible between the different editions; When electricity is transferred the AISG agreement of equipment and main equipment use different editions, can cause main equipment and the electric accent equipment can't proper communication.For example, as the AISG V2.0 of electricity accent equipment use highest version, and main equipment uses AISG V1.1, can cause main equipment scanning to transfer equipment less than electricity, and both can't proper communication.
Summary of the invention
The embodiment of the invention provides a kind of electricity to transfer the method and apparatus of device scan, in the electrical tilt antenna that is implemented in multiple AISG protocol version and deposits, and the purpose of main equipment and the proper communication of electric accent equipment.
One aspect of the present invention provides a kind of electricity to transfer apparatus scanning method, and said method comprises:
Electricity accent equipment receives the device scan frame that main equipment sends, and said device scan frame carries mask and sequence number;
Said electric accent equipment receives the said equipment scanning frame and preserves said mask and sequence number, discerns said main equipment Antenna Interface Standards Group AISG protocol version according to said mask and sequence number;
Said electric accent equipment is according to the AISG protocol version that identifies device responds frame to said main equipment answer respective version when satisfying response condition.
The present invention provides a kind of electric accent equipment on the other hand, and said electric accent equipment comprises: receiver, processor, transmitter, memory, wherein,
Said receiver: be used to receive the device scan frame that main equipment sends, said device scan frame carries mask and sequence number;
Processor: be used for discerning said main equipment Antenna Interface Standards Group AISG protocol version and judging whether to satisfy response condition according to the mask and the sequence number of said device scan frame;
Transmitter: be used for the AISG protocol version that identifies according to said processor, when satisfying response condition, send the device responds frame of respective version to said main equipment.
Memory: be used to store mask and the sequence number that said device scan frame carries.
Through using electricity accent apparatus scanning method and the electric accent equipment that the embodiment of the invention provides; Electricity accent equipment is at first discerned the AISG protocol version of main equipment; Reply different device responds frames according to the protocol version that identifies, make main equipment can identify electric accent equipment, no matter main equipment uses the AISG agreement of which kind of version; Can scan electric accent equipment, avoided many versions AISG agreement and the situation of depositing under main equipment and electric accent equipment can't proper communication problem.
Description of drawings
Fig. 1 transfers the apparatus scanning method sketch map for the electricity that the embodiment of the invention provides;
Fig. 2 transfers the device structure sketch map for the electricity that the embodiment of the invention provides.
Embodiment
For making the object of the invention, technical scheme and advantage express clearlyer, specify technical scheme provided by the invention below in conjunction with specific embodiment and accompanying drawing.
In the wireless communication system, electricity in the electrical tilt antenna transfers equipment and main equipment can support the AISG agreement of different editions, and the main equipment of each version and electric accent equipment are also deposited, and compatibility is relatively poor between the different editions, can cause electric accent equipment and the main equipment can't proper communication.Main equipment can be base station etc., and electric accent equipment can be the equipment that RCU (Remote Control Unit, Remote Control Unit), TMA (Tower Mount Amplifier, tower amplifier) etc. need communicate by letter with main equipment.Use the AISGV2.0 of highest version or the electricity of AISG V2.1 to transfer equipment can support many antennas; When this type of electric accent equipment docks with the AISG V1.1 main equipment that uses lowest version; Main equipment is difficult to identify electric accent equipment when scanning electric accent equipment, causes both can not proper communication.In the embodiment of the invention; Unification will support the AISG agreement of many antenna electricity accent equipment to be called highest version AISG agreement; Mainly be meant AISG V2.0 and AISG V2.1, the AISG agreement of not supporting many antenna electricity accent equipment is called lowest version AISG agreement, mainly be meant AISGV1.1.
In the prior art; Main equipment possibly use different AISG agreements; And electric accent equipment and do not know to transfer equipment transmitting apparatus scanning frame to electricity when main equipment uses which kind of version, main equipment to scan electric accent equipment, because electric accent equipment and do not know the main equipment version; Cause and to reply correct device responds frame to main equipment, make main equipment can not scan electric accent equipment.
All embodiment of the present invention all with AISG V2.0 electricity accent equipment with use the main equipment of AISG V1.1 or two kinds of versions of AISG V2.0 to be example; Electricity accent apparatus scanning method and device that present embodiment provides are described, but are not limited to this two kinds of versions in the real system.
As shown in Figure 1, the embodiment of the invention provides a kind of electricity to transfer apparatus scanning method.
According to the AISG agreement, the device scan frame carries mask bit mask and sequence number Unique ID, in the step 103; Electricity accent equipment satisfies response condition and is meant, after electric accent equipment receives the device scan frame, with the mask bit mask in the frame and equipment of itself sequence number mutually and computing; And the result compared with sequence number Unique ID in the frame; If consistent, then satisfy response condition, otherwise do not satisfy response condition.When not satisfying response condition, electric accent equipment is the reverting equipment response frame not.The judgement and the response policy that whether satisfy response condition are in existing AISG agreement, detailed description to be arranged, and repeat no more at this.
If electric accent equipment fails to identify main equipment AISG protocol version, then when satisfying response condition, reply wrong frame in the step 102, trigger main equipment and scan once more to main equipment.
In the step 103, electric accent equipment when satisfying response condition, is then replied the device responds frame of AISG V1.1 version if identifying main equipment AISG protocol version is AISG V1.1 to main equipment; Electricity accent equipment when satisfying response condition, is then replied the device responds frame of AISG V2.0 version if identifying main equipment AISG protocol version is AISG V2.0 to main equipment.
If electricity is transferred recognition of devices to go out main equipment and is used AISG V1.1 version; But because the electricity of AISG V2.0 version transfers equipment can support many antennas; When above-mentioned electric accent equipment is supported N antenna, when main equipment reverting equipment response frame, need to reply N AISG V1.1 version device responds frame; The corresponding antenna of each device responds frame, N is a natural number.For the main equipment of AISG V2.0 version, main equipment is supported many antennas, and electric accent equipment only need be replied an AISG V2.0 version device responds frame.
In the present embodiment; Electricity accent equipment is at first discerned the AISG protocol version of main equipment; Reply different device responds frames according to the protocol version that identifies, make main equipment can identify electric accent equipment, no matter main equipment uses the AISG agreement of which kind of version; Can scan electric accent equipment, avoided many versions AISG agreement and the situation of depositing under main equipment and electric accent equipment can't proper communication problem.
In the foregoing description; After electric accent equipment received the said equipment scanning frame in the step 102, identification main equipment AISG protocol version concrete steps were, after electric accent equipment receives the device scan frame at every turn; Preserve mask and sequence number in the device scan frame; At this moment, electricity transfers device storage that mask and sequence number in the up-to-date device scan frame that receives are arranged, mask and sequence number before also storing simultaneously in the primary equipment scanning frame; Electricity accent equipment need fully utilize twice mask and sequence number in the device scan frame and identify main equipment AISG protocol version, divides several kinds of different situations to introduce electric accent equipment respectively below and how to identify main equipment AISG protocol version.
1, at up-to-date mask-length greater than 3 bytes; And when the mask of preserving with the last time is identical; Up-to-date sequence number and the last sequence number of preserving are compared,, can judge that then main equipment AISG protocol version is AISG V1.1 if last byte is different;
2, at up-to-date mask-length greater than 3 bytes, and the mask of preserving with the last time compares up-to-date sequence number and the last sequence number of preserving when identical, if the 3rd byte is different, can judge that then main equipment AISG protocol version is AISG V2.0;
3, at up-to-date mask-length greater than 3 bytes; And when Duoing 1 byte than the last mask of preserving; If it is identical that up-to-date sequence number is deducted the sequence number of preserving with the last time after the 3rd byte; And up-to-date sequence number is deducted the sequence number preserved with the last time after last 1 byte not simultaneously, can judge that then main equipment AISG protocol version is AISG V2.0;
4, at up-to-date mask-length greater than 3 bytes; And when Duoing 1 byte than the last mask of preserving; If it is identical that up-to-date sequence number is deducted the sequence number of preserving with last time after last 1 byte; And up-to-date sequence number is deducted after the 3rd byte sequence number preserved last time not simultaneously, can judge that then main equipment AISG protocol version is AISG V1.1.
Need to prove, go out main equipment AISG protocol version, then when satisfying response condition, reply wrong frame, trigger main equipment and add behind the long code mask transmitting apparatus scanning frame once more to main equipment if electric accent equipment is unidentified.
In the present embodiment; Electricity transfers recognition of devices to go out main equipment AISG protocol version; Reply different device responds frames according to the protocol version that identifies, make main equipment can identify electric accent equipment, no matter main equipment uses the AISG agreement of which kind of version; Can scan electric accent equipment, avoided many versions AISG agreement and the situation of depositing under main equipment and electric accent equipment can't proper communication problem.
In the existing AISG agreement, main equipment if do not scan electric accent equipment or receive wrong frame, then adopts the method for binary tree to scan once more when the electric accent equipment of scanning, is about to sequence number Unique ID left and right sides branch, once more scanning.In the AISG agreement of different editions, main equipment is different with the method for sequence number Unique ID left and right sides branch, for example; Suppose that last scan time series number is ABC, in AISG V1.1, the left branch of ABC is ABC0; Right branch is ABC1; And in AISG V2.0, the left branch of ABC is AB0C, and right branch is AB1C.Electricity accent equipment can identify the AISG protocol version according to the difference of the branching method of sequence number.It more than is the principle that electricity is transferred recognition of devices main equipment AISG protocol version in the embodiment of the invention; Lift instantiation brief description this principle once more below, it should be noted that this instance only is a kind of situation; Other situation principle is similar, here repeats no more.
For example:
Suppose that it is 1010111 that electricity is transferred Equipment Serial Number;
Right branch behind elder generation's left branch when branch is scanned.
Below be main equipment AISG protocol version complete scanning process when being AISG V2.0:
Step1: main equipment is sent out the device scan frame; Unique ID:0/bit mask:1, electric accent equipment preserve unique ID:0/bit mask:1, press AISG V2.0 and press AISG V1.1 and arithmetic result 1 with arithmetic result 1/; Be not equal in the frame 0, the inconsistent device responds frame that do not return.
Step2: main equipment issues the device scan frame, and unique ID:1/bit mask:1, electric accent equipment preserve unique ID:1/bit mask:1; Press AISG V2.0 and press AISG V1.1 and arithmetic result 1 with arithmetic result 1/; Equal in the frame 1, unanimity is returned the device responds frame.Because the main equipment version is unknown, replys wrong frame.
Step3: main equipment issues the device scan frame, and unique ID:10/bit mask:11, electric accent equipment preserve unique ID:10/bit mask:11; Press AISG V2.0 and press AISG V1.1 and arithmetic result 10 with arithmetic result 10/; Equal in the frame 10, unanimity is returned the device responds frame.Because the main equipment version is unknown, replys wrong frame.
Step4: main equipment issues the device scan frame; Unique ID:100/bit mask:111; Electricity accent equipment is preserved unique ID:100/bit mask:111, presses AISG V2.0 and presses AISGV1.1 and arithmetic result 101 with arithmetic result 101/, is not equal in the frame 100; Inconsistent, do not return the device responds frame.
Step5: main equipment issues the device scan frame; Unique ID:101/bit mask:111; Electricity accent equipment is preserved unique ID:101/bit mask:111, presses AISG V2.0 and presses AISGV1.1 and arithmetic result 101 with arithmetic result 101/, equals in the frame 101; Unanimity is returned the device responds frame.Because the main equipment version is unknown, replys wrong frame.
Step6: main equipment issues the device scan frame; Unique ID:1001/bit mask:1111; Electricity accent equipment is preserved unique ID:1001/bit mask:1111; When this mask-length during greater than 3 bytes; And this time mask Duo a byte and current sequence number and is deducted after the 3rd byte 101 when identical with last saving sequence numbers 101 (thinking that running into branch scans) again than the last mask of preserving, and current sequence number deducts after last byte 100 and last saving sequence numbers 101 when inequality, and then adjudicating main equipment is AISG V2.0 version main equipment.Press AISG V2.0 and arithmetic result 1011, be not equal in the frame 1001, inconsistent, do not return the device responds frame.
Step7: main equipment issues device scan frame unique ID:1011/bit mask:1111; Electricity accent equipment is preserved unique ID:1011/bit mask:1111, presses AISG V2.0 and arithmetic result 1011, equals in the frame 1011; Unanimity is returned the device responds frame by AISG V2.0 form.
Below be main equipment AISG protocol version complete scanning process when being AISG V1.1:
Step1: main equipment issues the device scan frame; Unique ID:0/bit mask:1, electric accent equipment preserve unique ID:0/bit mask:1, press AISG V2.0 and press AISG V1.1 and arithmetic result 1 with arithmetic result 1/; Be not equal in the frame 0, the inconsistent device responds frame that do not return.
Step2: main equipment issues the device scan frame, and unique ID:1/bit mask:1, electric accent equipment preserve unique ID:1/bit mask:1; Press AISG V2.0 and press AISG V1.1 and arithmetic result 1 with arithmetic result 1/; Equal in the frame 1, unanimity is returned the device responds frame.Because the main equipment version is unknown, replys wrong frame.
Step3: main equipment issues the device scan frame, and unique ID:10/bit mask:11, electric accent equipment preserve unique ID:10/bit mask:11; Press AISG V2.0 and press AISG V1.1 and arithmetic result 10 with arithmetic result 10/; Equal in the frame 10, unanimity is returned the device responds frame.Because the main equipment version is unknown, replys wrong frame.
Step4: main equipment issues the device scan frame; Unique ID:100/bit mask:111; Electricity accent equipment is preserved unique ID:100/bit mask:111, presses AISG V2.0 and presses AISGV1.1 and arithmetic result 101 with arithmetic result 101/, is not equal in the frame 100; Inconsistent, do not return the device responds frame.
Step5: main equipment issues the device scan frame; Unique ID:101/bit mask:111; Electricity accent equipment is preserved unique ID:101/bit mask:111, presses AISG V2.0 and presses AISGV1.1 and arithmetic result 101 with arithmetic result 101/, equals in the frame 101; Unanimity is returned the device responds frame.Because the main equipment version is unknown, replys wrong frame.
Step6: main equipment issues the device scan frame; Unique ID:1010/bit mask:1111; Electricity accent equipment is preserved unique ID:1010/bit mask:1111; When this mask-length during greater than 3 bytes; And this time mask Duo a byte and current sequence number and is deducted after last byte 101 when identical with last saving sequence numbers 101 (thinking that running into branch scans) again than the last mask of preserving, and current sequence number deducts after the 3rd byte 100 and last saving sequence numbers 101 when inequality, and then adjudicating main equipment is AISG V1.1 version main equipment.By 1.1 versions and arithmetic result 1010, equal in the frame 1010, unanimity, time device responds frame.
Step7: main equipment issues the device scan frame, and unique ID:1011/bit mask:1111, electric accent equipment preserve unique ID:1011/bit mask:1111; Press AISG V2.0 and arithmetic result 1011; Equal in the frame 1011, unanimity is returned the device responds frame by AISG V1.1 form.
Another embodiment of the present invention provides a kind of electric accent equipment, and is as shown in Figure 2, and said electric accent equipment comprises: receiver 201, processor 202, transmitter 203, memory 204.
Receiver 201: be used to receive the device scan frame that main equipment sends, the device scan frame carries mask bit mask and sequence number Unique ID;
Processor 202: be used for discerning main equipment AISG protocol version and judging whether to satisfy response condition according to device scan frame mask and sequence number;
Transmitter 203: be used for the AISG protocol version that identifies according to processor 202, when satisfying response condition, send the device responds frame of respective version to main equipment.
Memory 204: be used for mask and sequence number that the memory device scanning frame carries.
Said transmitter 203 also is used for sending wrong frame in that processor 202 is unidentified when going out main equipment AISG protocol version and satisfying response condition to main equipment, scans once more to trigger main equipment.
In the foregoing description; Said transmitter 203 is specially to the apparatus response frame of main equipment transmission respective version when satisfying response condition according to the AISG protocol version that processor 202 identifies; If it is AISG V1.1 that said processor identifies main equipment AISG protocol version; When satisfying response condition, said transmitter 203 sends the device responds frame of AISG V1.1 version to main equipment; If it is AISG V2.0 that said processor identifies main equipment AISG protocol version, when satisfying response condition, said transmitter 203 sends the device responds frame of AISG V2.0 version to main equipment.
If processor 203 identifies main equipment and uses AISG V1.1 version; When above-mentioned electric accent equipment was supported N antenna, transmitter 203 needed to send N AISGV1.1 version device responds frame when main equipment transmitting apparatus response frame; The corresponding antenna of each device responds frame, N is a natural number.For the main equipment of AISG V2.0 version, main equipment is supported many antennas, and transmitter 203 only need send an AISGV2.0 version device responds frame.
In the present embodiment; Electricity accent equipment is at first discerned the AISG protocol version of main equipment; Reply different device responds frames according to the protocol version that identifies, make main equipment can identify electric accent equipment, no matter main equipment uses the AISG agreement of which kind of version; Can scan electric accent equipment, avoided many versions AISG agreement and the situation of depositing under main equipment and electric accent equipment can't proper communication problem.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement through hardware.Based on such understanding, all or part of can the coming out that technical scheme of the present invention contributes to background technology with the embodied of software product, this computer software product can be stored in the storage medium; Like ROM/RAM, magnetic disc, CD etc.; Comprise some instructions usefulness so that a computer equipment can be a personal computer, server; The perhaps network equipment etc. is carried out the described method of some part of each embodiment of the present invention or embodiment.
Above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (11)
1. an electricity is transferred apparatus scanning method, it is characterized in that said method comprises:
Electricity accent equipment receives the device scan frame that main equipment sends, and said device scan frame carries mask and sequence number;
Said electric accent equipment receives the said equipment scanning frame and preserves said mask and sequence number, discerns said main equipment Antenna Interface Standards Group AISG protocol version according to said mask and sequence number;
Said electric accent equipment is according to the AISG protocol version that identifies device responds frame to said main equipment answer respective version when satisfying response condition.
2. method according to claim 1 is characterized in that, said method also comprises step: said electric accent equipment is being failed to discern said when going out main equipment AISG protocol version and satisfying response condition, replys wrong frame to said main equipment.
3. method according to claim 1 and 2 is characterized in that, said electric accent equipment is specially to the device responds frame of said main equipment answer respective version when satisfying response condition according to the AISG protocol version that identifies:
Said electric accent equipment when satisfying response condition, is then replied the device responds frame of lowest version if identifying said main equipment AISG protocol version is lowest version to said main equipment; Electricity accent equipment when satisfying response condition, is then replied the device responds frame of highest version if identifying said main equipment AISG protocol version is highest version to said main equipment.
4. method according to claim 3 is characterized in that, the device responds frame that said electric accent equipment is replied lowest version to said main equipment is specially:
Said electric accent equipment is then replied the device responds frame of N lowest version if support N antenna to said main equipment, the corresponding said antenna of each said device responds frame, and N is a natural number.
5. method according to claim 1 is characterized in that, said electric accent equipment is discerned said main equipment AISG protocol version according to said mask and sequence number and is specially:
Said electric accent equipment at up-to-date mask-length greater than 3 bytes; And when the mask of preserving with the last time is identical; Up-to-date sequence number and the last sequence number of preserving are compared,, judge that main equipment AISG protocol version is a lowest version if last byte is different; Perhaps,
Greater than 3 bytes, and the mask of preserving with the last time compares up-to-date sequence number and the last sequence number of preserving when identical said electric accent equipment at up-to-date mask-length, if the 3rd byte is different, judgement main equipment AISG protocol version is a highest version; Perhaps,
Said electric accent equipment at up-to-date mask-length greater than 3 bytes; And when Duoing 1 byte than the last mask of preserving; If it is identical that up-to-date sequence number is deducted the sequence number of preserving with the last time after the 3rd byte; And up-to-date sequence number is deducted the sequence number preserved with the last time after last 1 byte not simultaneously, judges that main equipment AISG protocol version is a highest version; Perhaps,
Said electric accent equipment at up-to-date mask-length greater than 3 bytes; And when Duoing 1 byte than the last mask of preserving; If it is identical that up-to-date sequence number is deducted the sequence number of preserving with last time after last 1 byte; And up-to-date sequence number is deducted after the 3rd byte sequence number preserved last time not simultaneously, judges that main equipment AISG protocol version is a lowest version.
6. according to the arbitrary described method of claim 3 to 5, it is characterized in that said AISG agreement lowest version is AISG V1.1, said AISG agreement highest version is AISG V2.0 or AISG V2.1.
7. an electric accent equipment is characterized in that, said electric accent equipment comprises: receiver, processor, transmitter, memory, wherein,
Said receiver: be used to receive the device scan frame that main equipment sends, said device scan frame carries mask and sequence number;
Processor: be used for discerning said main equipment Antenna Interface Standards Group AISG protocol version and judging whether to satisfy response condition according to the mask and the sequence number of said device scan frame;
Transmitter: be used for the AISG protocol version that identifies according to said processor, when satisfying response condition, send the device responds frame of respective version to said main equipment.
Memory: be used to store mask and the sequence number that said device scan frame carries.
8. electric accent equipment according to claim 7 is characterized in that, said transmitter also is used for sending wrong frame in that said processor is unidentified when going out main equipment AISG protocol version and satisfying response condition to said main equipment.
9. electric accent equipment according to claim 8; It is characterized in that said transmitter specifically is used for, is lowest version if said processor identifies main equipment AISG protocol version; When satisfying response condition, said transmitter sends the device responds frame of lowest version to said main equipment; If it is highest version that said processor identifies said main equipment AISG protocol version, when satisfying response condition, said transmitter sends the device responds frame of highest version to said main equipment.
10. electric accent equipment according to claim 9; It is characterized in that; Said transmitter is specially to the device responds frame that said main equipment sends lowest version, when said transmitter is supported N antenna at said electric accent equipment, sends the device responds frame of N lowest version to said main equipment; The corresponding said antenna of each said device responds frame, N is a natural number.
11. according to claim 9 or 10 arbitrary described electric accent equipment, it is characterized in that said AISG agreement lowest version is AISG V1.1, said AISG agreement highest version is AISG V2.0 or AISGV2.1.
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