CN102404781A - Interference detection device and method and indoor distribution system - Google Patents

Interference detection device and method and indoor distribution system Download PDF

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Publication number
CN102404781A
CN102404781A CN2011103874564A CN201110387456A CN102404781A CN 102404781 A CN102404781 A CN 102404781A CN 2011103874564 A CN2011103874564 A CN 2011103874564A CN 201110387456 A CN201110387456 A CN 201110387456A CN 102404781 A CN102404781 A CN 102404781A
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remote termination
taking turn
module
routing table
service data
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CN2011103874564A
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CN102404781B (en
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龚兰平
袁震
张巧明
彭卫红
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention provides an interference detection device, an interference detection method and an indoor distribution system, which are used for rapidly and accurately positioning the position of interference and reducing labor cost. The method comprises the following steps of: building a polling route table, wherein the polling route table is used for polling a far-end machine of the indoor distribution system; issuing an acquisition instruction for indicating the polled far-end machine to acquire running data to the polled far-end machine, wherein the running data comprises receiving field intensity and frequency spectrum data of the polled far-end machine; and receiving the running data of the polled far-end machine to judge whether the polled far-end machine is distributed or not. Compared with the method for fining indoor interference in the prior art, the interference detection device provided by the invention has the advantages that a large number of labor is not required to coordinate, experienced technical engineers are not particularly required, the workload of interference detection and the investment on labor are reduced, and a distributed far-end machine can be rapidly positioned.

Description

A kind of interference detecting apparatus, method and indoor distributed system
Technical field
The present invention relates to the communications field, relate in particular to a kind of interference detecting apparatus, method and indoor distributed system.
Background technology
Along with the second generation (2G), the third generation (3G) and the 4th generation wireless communication technologys such as (4G) continuous evolution; (particularly after the intelligent terminal listing) is index rising situation to people to the data business demand; And mobile subscriber's increase at full speed and skyscraper is more and more, and traffic density requires also constantly to rise with covering.Because these architectural scale are big, quality good, and mobile telephone signal is had very strong shielding action.For example, under the environment such as low layer, market place builet below the ground and underground parking of building, a little less than the mobile communication signal, mobile phone can't normally use, and has formed the blind area and the shadow region of mobile communication; At intermediate floor, because overlapping from different base station signal on every side produces ping-pong, mobile phone frequently switches, even call drop, has had a strong impact on the normal use of mobile phone; At the high level of building, owing to receive the limitation in height of antenna for base station, can't normally cover, also be the blind area of mobile communication.In addition, in some building, though mobile phone can normal talking, user density is big, and BTS channel is crowded, the mobile phone difficulty of reaching the standard grade.Particularly the network coverage of mobile communication, capacity and quality or the like are the key factors that operator obtains competitive advantage.The network coverage, network capacity and network quality have fundamentally embodied mobile network's service level, are the themes of all mobile network optimization work.Traditional indoor distributed system is difficult to find indoor disturbed condition, and this just needs a kind of effective method to find indoor disturbed condition.
Prior art provides a kind ofly finds that the method for indoor interference is through after the data that collect are analyzed, and progressively investigates out interference.For example, because that uplink interference is mainly reflected in the RTWP that makes an uproar at the bottom of the base station is higher with standing wave VSWR value, therefore, if the descending loading of system's full load to be tested more than 4 hours, after make an uproar at the bottom of the extraction base station RTWP and standing wave VSWR value are analyzed, can be investigated out interference; And for example; When uplink interference occurring; In conversation the cellphone subscriber have usually caller hear just go offline after " pout, pout, pout " and communication process in the other side (other zones) can feel intermittently, noise and phenomenons such as quiet even call drop; Therefore, through complaining data analysis also can investigate out interference to these.
According to disturbing the investigation statistics in the actual items, the maximum situation of uplink interference occurring is that the dried equipment of putting causes, and secondly is Filter Combiner and external disturbance.Therefore, in uplink interference problem investigation process, investigation thinking and principle have two: the one, and the maximum situation of uplink interference possibility appears in investigation earlier, and the 2nd, investigate the order according to from the easier to the more advanced.
Yet the interference investigation flow process that above-mentioned prior art provides is very numerous and diverse, and the technician who therefore needs rich experiences participates in or a large amount of collaborative carrying out of manual work, and quantities is big; If will be optimized disturbing the investigation flow process, also relate to the quite complicated program of a cover.
Summary of the invention
The embodiment of the invention provides a kind of interference detecting apparatus, method and indoor distributed system, with location interference position quick and precisely and reduce human cost.
The embodiment of the invention provides a kind of interference detecting apparatus, and said device comprises that the taking turn routing table is set up module, acquisition instructions issues module and data reception module;
Said taking turn routing table is set up module, is used to set up the taking turn routing table, and said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
Said acquisition instructions issues module; Be used for setting up the taking turn routing table that module is set up according to said taking turn routing table; Indication is said is gathered the acquisition instructions of service data by the taking turn remote termination to being issued by the taking turn remote termination, and said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Said data reception module, be used to receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
Alternatively; Said device also comprises the data upload module that is connected with said data reception module; The data upload module is used for the service data that said data reception module receives is uploaded to the operation management center so that said operation management center confirms whether be interfered by the taking turn remote termination.
Alternatively; Said device also comprises interference determination module that is connected with said data reception module and the reporting module that is connected with said interference determination module; Said interference determination module; Be used for analyzing, confirm whether be interfered by the taking turn remote termination through the service data that said data reception module is received; Said reporting module, the relevant information of the remote termination that is used for said interference determination module is confirmed to be interfered reports to network management system.
Alternatively, said interference determination module comprises that comparing unit and remote termination confirm the unit, said comparing unit, and the service data that is used for said data reception module is received and preset received field strength threshold value or frequency spectrum data threshold ratio are; Said remote termination is confirmed the unit; Be used for if the comparative result of said comparing unit be the received field strength of the said remote termination that receives greater than the frequency spectrum data of said received field strength threshold value or the said remote termination that receives greater than said frequency spectrum data threshold value, then set up taking turn routing table that module sets up and confirm the remote termination that disturbed according to said taking turn routing table.
Alternatively, said device comprises that also pseudo-carrier wave sets up module, pseudo-carrier wave sending module and telephone traffic enquiry module, and said pseudo-carrier wave is set up module, is used to set up pseudo-carrier wave; Said pseudo-carrier wave sending module is used for setting up the taking turn routing table that module is set up according to said taking turn routing table, and said pseudo-carrier wave is sent to by the taking turn remote termination; Said telephone traffic enquiry module, be used for to base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount; Said acquisition instructions issue module specifically be used for said telephone traffic enquiry module know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less after, issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave.
The embodiment of the invention provides a kind of interference detection method, and said method comprises:
Set up the taking turn routing table, said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
According to the taking turn routing table of said foundation, to being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
Alternatively, said reception is said is also comprised after the service data of taking turn remote termination: the service data of said reception is uploaded to the operation management center so that said operation management center confirms saidly whether be interfered by the taking turn remote termination.
Alternatively, said reception is said is also comprised by after the service data of taking turn remote termination: whether the service data through to said reception is analyzed, confirm to be interfered by the taking turn remote termination; Be interfered by the taking turn remote termination as if said, then the relevant information with the said remote termination that is interfered reports to network management system.
Whether alternatively, saidly analyze through the service data to said reception, confirming to be interfered by the taking turn remote termination comprises: with the service data of said reception and preset received field strength threshold value or frequency spectrum data threshold ratio; If the comparative result of said comparison be the received field strength of the said remote termination that receives greater than the frequency spectrum data of said received field strength threshold value or the said remote termination that receives greater than said frequency spectrum data threshold value, then confirm the remote termination that disturbed according to said taking turn routing table.
Alternatively, the said taking turn routing table of setting up also comprises afterwards: set up pseudo-carrier wave; According to said taking turn routing table, said pseudo-carrier wave is sent to by the taking turn remote termination; To base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount; Said taking turn routing table according to said foundation; Gathered the acquisition instructions of service data by the taking turn remote termination and comprise to issued indication by the taking turn remote termination: knowing through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less after, issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave.
The embodiment of the invention provides a kind of indoor distributed system; Said system comprises near-end machine and at least one remote termination; Be used to receive that said near-end machine issues is used to indicate the acquisition instructions of gathering service data and returns service data to said near-end machine, said service data comprises the received field strength and the frequency spectrum data of said remote termination;
Said near-end machine comprises that the taking turn routing table is set up module, acquisition instructions issues module and data reception module;
Said taking turn routing table is set up module, is used to set up the taking turn routing table, and said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
Said acquisition instructions issues module; Be used for setting up the taking turn routing table that module is set up according to said taking turn routing table; To being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Said data reception module, be used to receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
Alternatively, said indoor distributed system also comprises the expanding element that is connected with remote termination with said near-end machine, and said expanding element is used for exporting carrier wave to subtending port and said remote termination.
Can know from the invention described above embodiment; Because after the taking turn routing table is set up module and is set up the taking turn routing table; Acquisition instructions issues that module can indication is said be gathered the acquisition instructions of service data by the taking turn remote termination to being issued by the taking turn remote termination, data reception module receive said by the service data of taking turn remote termination to confirm saidly whether be interfered by the taking turn remote termination.Therefore; The method of the indoor interference of discovery that provides with prior art is compared; Interference detecting apparatus provided by the invention does not need that a large amount of manual works is collaborative to be carried out; Do not need veteran technician especially yet and participate in, not only reduced to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination that is disturbed.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; To do to introduce simply to the accompanying drawing of required use in prior art or the embodiment description below; Obviously; Accompanying drawing in describing below only is some embodiments of the present invention, to those skilled in the art, can also obtain other accompanying drawing like these accompanying drawings.
Fig. 1 is the interference detecting apparatus structural representation that the embodiment of the invention provides;
Fig. 2 is the interference detecting apparatus structural representation that another embodiment of the present invention provides;
Fig. 3 is the interference detecting apparatus structural representation that another embodiment of the present invention provides;
Fig. 4 is the interference detecting apparatus structural representation that another embodiment of the present invention provides;
Fig. 5 is the interference detecting apparatus structural representation that another embodiment of the present invention provides;
Fig. 6 a is the interference detection method schematic flow sheet that the embodiment of the invention provides;
Fig. 6 b is the indoor distributed system sketch map of a plurality of near-end machine cascade;
Fig. 6 c is the indoor distributed system sketch map that comprises expanding element;
Fig. 6 d is the indoor distributed system structural representation that the embodiment of the invention provides;
Fig. 7 is the indoor distributed system structural representation that another embodiment of the present invention provides;
Fig. 8 is the indoor distributed system structural representation that another embodiment of the present invention provides;
Fig. 9 is the indoor distributed system structural representation that another embodiment of the present invention provides;
Figure 10 is the indoor distributed system structural representation that another embodiment of the present invention provides;
Figure 11 is the indoor distributed system structural representation that another embodiment of the present invention provides;
Figure 12 is the indoor distributed system structural representation that another embodiment of the present invention provides.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those skilled in the art obtained belongs to the scope that the present invention protects.
Seeing also accompanying drawing 1, is the interference detecting apparatus structural representation that the embodiment of the invention provides.For the ease of explanation, only show the part relevant with the embodiment of the invention.The interference detecting apparatus of accompanying drawing 2 examples can be the near-end machine (or near-end unit) of indoor distributed system, and it comprises that the taking turn routing table is set up module 101, acquisition instructions issues module 102 and data reception module 103, wherein:
The taking turn routing table is set up module 101 and is used to set up the taking turn routing table; Acquisition instructions issues module 102 and sets up module 101 with the taking turn routing table and be connected; Be used for setting up the taking turn routing table that module 101 is set up according to said taking turn routing table; Indication is said is gathered the acquisition instructions of service data by the taking turn remote termination to being issued by the taking turn remote termination, and said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data; Data reception module 103 be used to receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
The taking turn routing table that the taking turn routing table is set up module 101 foundation is used for the remote termination of indoor distributed system is carried out taking turn.Particularly; The taking turn routing table is set up module 101 can store the location database of remote termination (or far-end unit) at indoor distributing position through inquiry; According to location database and combine the identity recognition number (ID) of each remote termination; The mapping table that foundation is made up of in the mapping relations of indoor distributing position and this remote termination ID each remote termination, this mapping table can be regarded as the taking turn routing table.
Acquisition instructions issues module 102 and sets up first remote termination that taking turn routing table that module 101 sets up is confirmed according to the taking turn routing table, this remote termination is issued indication is said is gathered the acquisition instructions of service data by the taking turn remote termination, and this is the beginning of taking turn.This remote termination gets access to through after its receiver carries out analog-to-digital statistics power, should add up performance number again and be converted to antenna opening, through antenna opening the received field strength (RSSI or RTWP) of this remote termination is sent to the near-end machine; Remote termination also can carry out spectrum scan through an idle carrier channel to this remote termination, obtains its frequency spectrum data, is sent to the near-end machine through antenna opening then.The data reception module 103 of near-end machine obtains the received field strength (RSSI or RTWP) and the frequency spectrum data of this remote termination from antenna opening.
Need to prove; In the execution mode of above interference detecting apparatus, the division of each functional module only illustrates, can be as required in the practical application; For example the facility of the realization of the configuration requirement of corresponding hardware or software is considered; And above-mentioned functions is distributed by the different functional completion, the internal structure that is about to said interference detecting apparatus is divided into different functional, to accomplish all or part of function of above description.And; In the practical application, the corresponding functional modules in the present embodiment can be to be realized by relevant hardware, also can carry out corresponding software by relevant hardware and accomplish; For example; Aforesaid acquisition instructions issues module, can be to have to carry out aforementionedly to set up the taking turn routing table that module (or the taking turn routing table is set up device) is set up according to said taking turn routing table, to issued the said hardware of being gathered the acquisition instructions of service data by the taking turn remote termination of indication by the taking turn remote termination; For example acquisition instructions issues device, thereby also can be to carry out general processor or other hardware devices that the corresponding computer program is accomplished aforementioned functional; Aforesaid for another example data reception module; Can be to have that to carry out aforementioned reception said said by whether the be interfered hardware of function of taking turn remote termination to confirm by the service data of taking turn remote termination; Data sink for example, thus also can be to carry out general processor or other hardware devices (each embodiment that this specification provides can use the foregoing description principle) that the corresponding computer program is accomplished aforementioned functional.
Interference detecting apparatus by the embodiment of the invention shown in the accompanying drawing 1 provides can be known; Because after the taking turn routing table is set up module and is set up the taking turn routing table; Acquisition instructions issues that module can indication is said be gathered the acquisition instructions of service data by the taking turn remote termination to being issued by the taking turn remote termination according to said taking turn routing table, data reception module receive said by the service data of taking turn remote termination to confirm whether is interfered by the remote termination of taking turn.Therefore; The method of the indoor interference of discovery that provides with prior art is compared; Interference detecting apparatus provided by the invention does not need that a large amount of manual works is collaborative to be carried out; Do not need veteran technician especially yet and participate in, not only reduced to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination that is disturbed.
The interference detecting apparatus of accompanying drawing 1 example can further include data upload module 201, the interference detecting apparatus that another embodiment of the present invention provides shown in accompanying drawing 2.Data upload module 201 is connected with data reception module 103; (Operating Management Center is OMC) so that the operation management center confirms saidly whether be interfered by the remote termination of taking turn to be used for that the service data by the taking turn remote termination that data reception module 103 receives is uploaded to the operation management center.Particularly, data upload module 201 can be uploaded to the service data by the taking turn remote termination that data reception module 103 receives the server at OMC place.The received field strength and the frequency spectrum data of the indoor distributed system remote termination that the server stores at OMC place is arrived by taking turn are analyzed it.If through analyzing; The frequency spectrum data of the remote termination that the received field strength of knowing the remote termination that data reception module 103 is received is received greater than preset received field strength threshold value or data reception module 103 is greater than preset frequency spectrum data threshold value; Confirm that then this remote termination has received interference, can further determine this remote termination and position thereof by the mapping relations of remote termination ID and its position in the taking turn routing table.
The analysis of the service data that data receiver module 103 is received also can be undertaken by interference detecting apparatus; The interference detecting apparatus that another embodiment of the present invention provides shown in accompanying drawing 3, it can further comprise interference determination module 301 that is connected with data reception module 103 and the reporting module 302 that is connected with interference determination module 301 on the interference detecting apparatus of accompanying drawing 1 example.
Disturb determination module 301 to be used for analyzing through the service data that data receiver module 103 is received by the taking turn remote termination; Confirm saidly whether be interfered by the remote termination of taking turn; And reporting module 302 is used for the relevant information of the remote termination that disturbs determination module 301 to confirm to be interfered is reported to network management system; For example, position and/or the identity recognition number (ID) with the remote termination of confirming to be interfered reports to network management system.
The interference determination module 301 of accompanying drawing 3 examples can further include comparing unit 401 and confirms unit 402 with remote termination, the interference detecting apparatus that another embodiment of the present invention provides shown in accompanying drawing 4, wherein:
Comparing unit 401 is used for service data that data reception module 103 is received and the received field strength threshold value of presetting or frequency spectrum data threshold ratio; Remote termination confirm that unit 402 is used for if the comparative result of comparing unit 401 be the received field strength of the remote termination that receives greater than the frequency spectrum data of preset received field strength threshold value or the remote termination that receives greater than preset frequency spectrum data threshold value, then set up taking turn routing table that module 101 sets up and confirm the remote termination that disturbed according to the taking turn routing table.Particularly; If the received field strength of the remote termination that data reception module 103 receives is than the high certain threshold value of normal received field strength; Perhaps; The frequency spectrum data of the remote termination that data reception module 103 receives occurs in the carrier frequency point position can judging then that than the make an uproar signal of high 3dB of the end this remote termination has received interference, sets up the position or the ID of the remote termination that taking turn routing table that module 101 sets up can confirm to be disturbed according to the taking turn routing table.
For the interference detecting apparatus of accompanying drawing 1 example, it is fewer or do not have under the prerequisite of traffic whether remote termination be interfered and detect to can be used on the remote termination telephone traffic of indoor distributed system.In order to know what of remote termination telephone traffic; Can when taking turn, use pseudo-carrier wave (so-called pseudo-carrier wave; Be only to carry pilot signal or broadcast singal with the difference of general carrier wave and the carrier wave of bearer service signal not, pseudo-carrier wave can and detect its watt level by demodulation at the portable terminal place) detect, promptly; After pseudo-carrier wave sent from the near-end machine, the portable terminal of pseudo-carrier wave to its sub-district, place that will be received by the remote termination of taking turn sent.If portable terminal is received pseudo-carrier signal; Then this portable terminal under the request of base station can to base station feedback should the puppet carrier wave pilot frequency information (pilot frequency information of this puppet carrier wave arrives the base station by remote termination through the near-end machine); If portable terminal is not received pseudo-carrier signal; Then this portable terminal just can not to base station feedback should the puppet carrier wave pilot frequency information, do not have pseudo-carrier signal certainly yet and arrive the base station through the near-end machine.Therefore, when base station requests inquiry near-end machine belonged to the telephone traffic of sub-district, the base station requests portable terminal fed back the pilot frequency information of pseudo-carrier wave at the near-end machine.If do not receive pseudo-carrier signal before the portable terminal; Then the base station inquiry is less than the traffic that comprises this puppet carrier pilot information; Proof portable terminal this moment does not establish a connection with the base station, does not promptly carry out talk business, and the near-end machine can judge in view of the above that this moment, this remote termination did not have telephone traffic; Otherwise; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If receive pseudo-carrier signal before the portable terminal, then the base station can inquire the traffic that comprises this puppet carrier pilot information, prove that portable terminal and base station establish a connection at this moment; Promptly carrying out talk business, then the near-end machine can judge that this moment, this remote termination had telephone traffic.With said method, what of remote termination live traffice amount the near-end machine can detect.
Interference detecting apparatus in accompanying drawing 1 example; The baseband processing unit and the Remote Radio Unit that detect remote termination telephone traffic how many used pseudo-carrier waves and be by base station or base station provide; Promptly when taking turn begins; Base station controller at first sends an inquiry instruction, between the near-end machine of inquiry base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system leisureless carrier channel is arranged; This inquiry instruction also arrives remote termination through the near-end machine; Between inquiry near-end machine and the remote termination leisureless carrier channel to be arranged; Idle carrier channel is arranged between the near-end machine of base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system; Then send a pseudo-carrier wave by the base station, this puppet carrier wave transmits to remote termination through the near-end machine, until arriving portable terminal.
If there is not idle carrier channel between the near-end machine of base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system; Then detecting remote termination telephone traffic how many used pseudo-carrier waves also can self be provided by the near-end machine; Promptly; The interference detecting apparatus of accompanying drawing 1 example may further include pseudo-carrier wave and sets up module 501, pseudo-carrier wave sending module 502 and telephone traffic enquiry module 503, the interference detecting apparatus that another embodiment of the present invention provides shown in accompanying drawing 5, wherein:
Pseudo-carrier wave is set up module 501 and is used to set up pseudo-carrier wave;
Pseudo-carrier wave sending module 502 is used for setting up the taking turn routing table that module 101 is set up according to said taking turn routing table, and the pseudo-carrier wave of pseudo-carrier wave being set up module 501 foundation is sent to by the taking turn remote termination;
Telephone traffic enquiry module 503 be used for to base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount;
As previously mentioned, because after pseudo-carrier wave sent from the near-end machine, the portable terminal of pseudo-carrier wave to its sub-district, place that will be received by the remote termination of taking turn sent; If portable terminal receives pseudo-carrier signal, then this portable terminal under the request of base station can to base station feedback should the puppet carrier wave pilot frequency information (pilot frequency information of this puppet carrier wave by remote termination through near-end machine arrival base station).Therefore, telephone traffic enquiry module 503 can send a request to the base station, the said pseudo-carrier wave of the said reception of requesting query by taking turn remote termination live traffice amount.If do not receive pseudo-carrier signal before the portable terminal; Then the Query Result of base station is for inquiring about less than the traffic that comprises pseudo-carrier pilot information; Proof portable terminal this moment does not establish a connection with the base station; Promptly do not carry out talk business, the near-end machine can judge in view of the above that this moment, this remote termination did not have telephone traffic; Otherwise; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If receive pseudo-carrier signal before the portable terminal, then the Query Result of base station is to inquire the traffic that comprises pseudo-carrier pilot information, prove that portable terminal and base station establish a connection at this moment; Promptly carrying out talk business, then the near-end machine can judge in view of the above that this moment, this remote termination had telephone traffic.
Under above-mentioned scene; Acquisition instructions issue module 102 specifically be used for telephone traffic enquiry module 503 know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less after; To the acquisition instructions that is issued indication collection service data by the taking turn remote termination that receives said pseudo-carrier wave; Promptly; Know the less or when not having telephone traffic of the said pseudo-carrier wave of said reception at telephone traffic enquiry module 503 through inquiry by taking turn remote termination live traffice amount; Acquisition instructions issues module 102 to the acquisition instructions that is issued indication collection service data by the taking turn remote termination that receives said pseudo-carrier wave; Perhaps, telephone traffic enquiry module 503 know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount more or telephone traffic is arranged after, then taking turn this time finish the back, when taking turn next time; If inquiry know receive said pseudo-carrier wave by taking turn remote termination live traffice amount less or do not have telephone traffic after, acquisition instructions issues module 102 and is issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave.
Seeing also accompanying drawing 6a, is a kind of interference detection method schematic flow sheet that the embodiment of the invention provides.In the method for accompanying drawing 6a example, executive agent can be the near-end machine (or master unit) of indoor distributed system, mainly comprises step:
S601 sets up the taking turn routing table, and said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn.
Particularly; The near-end machine can store the database of remote termination (or far-end unit) at indoor distributing position through inquiry; According to database and combine the identity recognition number (ID) of each remote termination; Set up the taking turn routing table, this taking turn routing table has write down the mapping relations of each remote termination at indoor distributing position and this remote termination ID.
S602, according to the taking turn routing table of said foundation, to being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data.
First remote termination that the near-end machine is confirmed according to the taking turn routing table of setting up issues indication by the acquisition instructions of taking turn remote termination collection service data to this remote termination, and this is the beginning of taking turn.
S603, receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
After remote termination is received acquisition instructions, obtain through its receiver and carry out analog-to-digital statistics power, should add up performance number again and be converted to antenna opening, the received field strength (RSSI or RTWP) of this remote termination is sent to the near-end machine through antenna opening; Remote termination also can carry out spectrum scan through an idle carrier channel to this remote termination, obtains its frequency spectrum data, is sent to the near-end machine through antenna opening then.The near-end machine obtains the received field strength (RSSI or RTWP) and the frequency spectrum data of this remote termination from antenna opening.
Interference detection method by the accompanying drawing 6a embodiment of the invention provides can be known; Because after setting up the taking turn routing table, can according to said taking turn routing table to issued by the taking turn remote termination indication said by the taking turn remote termination gather the acquisition instructions of service data and receive said by the service data of taking turn remote termination to confirm whether be interfered by the remote termination of taking turn.Therefore; The method of the indoor interference of discovery that provides with prior art is compared; Interference detection method provided by the invention does not need that a large amount of manual works is collaborative to be carried out; Do not need veteran technician especially yet and participate in, not only reduced to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination that is disturbed.
The near-end machine receives said by after the service data of taking turn remote termination, can further include the service data that receives is uploaded to OMC so that said OMC confirms whether be interfered by the remote termination of taking turn.Particularly, can the service data of gathering be uploaded to the server at OMC place.The received field strength and the frequency spectrum data of the indoor distributed system remote termination that the server stores at OMC place is arrived by taking turn are analyzed it.If through analyzing; The frequency spectrum data of the remote termination that the received field strength of knowing the remote termination that the near-end machine receives receives greater than preset received field strength threshold value or near-end machine is greater than preset frequency spectrum data threshold value; Then the server at OMC place confirms that this remote termination has received interference, can further determine this remote termination and position thereof by the mapping relations of the remote termination ID that writes down in the taking turn routing table and its position.
The analysis of the service data that the near-end machine is received also can be undertaken by the near-end machine; Be that the reception of near-end machine is said by after the service data of taking turn remote termination; Whether the service data through to the remote termination that receives is analyzed, confirm to be interfered by the remote termination of taking turn.Particularly, the near-end machine can be with the service data of the remote termination that receives and preset received field strength threshold value or frequency spectrum data threshold ratio.If the received field strength that service data and preset received field strength threshold value or frequency spectrum data threshold ratio comparative result are the said remote termination that receives greater than the frequency spectrum data of said received field strength threshold value or the said remote termination that receives greater than said frequency spectrum data threshold value; Can judge that then this remote termination has received interference; According to the remote termination ID that writes down in the taking turn routing table and the mapping relations of its position, can confirm the remote termination and the position thereof of being disturbed.
If be interfered by the remote termination of taking turn, then the relevant information with the remote termination that is interfered reports to network management system, for example, the position and/or the identity recognition number (ID) of the remote termination of confirming to be interfered is reported to network management system.
The method that the foregoing description provides, it is fewer or do not have under the prerequisite of traffic whether remote termination be interfered and detect to can be used on the remote termination telephone traffic of indoor distributed system.In order to know what of remote termination telephone traffic; Can when taking turn, use pseudo-carrier wave (so-called pseudo-carrier wave; Be only to carry pilot signal or broadcast singal with the difference of general carrier wave and the carrier wave of bearer service signal not, pseudo-carrier wave can and detect its watt level by demodulation at the portable terminal place) detect, promptly; After pseudo-carrier wave sent from the near-end machine, the portable terminal of pseudo-carrier wave to its sub-district, place that will be received by the remote termination of taking turn sent.If portable terminal is received pseudo-carrier signal; Then this portable terminal under the request of base station can to base station feedback should the puppet carrier wave pilot frequency information (pilot frequency information of this puppet carrier wave arrives the base station by remote termination through the near-end machine); If portable terminal is not received pseudo-carrier signal; Then this portable terminal just can not to base station feedback should the puppet carrier wave pilot frequency information, do not have pseudo-carrier signal certainly yet and arrive the base station through the near-end machine.Therefore; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If do not receive pseudo-carrier signal before the portable terminal, then the base station inquiry proves that less than the traffic that comprises pseudo-carrier pilot information this moment, portable terminal did not establish a connection with the base station; Promptly do not carry out talk business, the near-end machine can judge in view of the above that this moment, this remote termination did not have telephone traffic; Otherwise; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If receive pseudo-carrier signal before the portable terminal, then the base station can inquire the traffic that comprises pseudo-carrier pilot information, prove that portable terminal and base station establish a connection at this moment; Promptly carrying out talk business, then the near-end machine can judge that this moment, this remote termination had telephone traffic.With said method, what of remote termination live traffice amount the near-end machine can detect.
In the interference detection method of accompanying drawing 6a example; The baseband processing unit and the Remote Radio Unit that detect remote termination telephone traffic how many used pseudo-carrier waves and be by base station or base station provide; Promptly when taking turn begins; Base station controller at first sends an inquiry instruction, between the near-end machine of inquiry base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system leisureless carrier channel is arranged; This inquiry instruction also arrives remote termination through the near-end machine; Between inquiry near-end machine and the remote termination leisureless carrier channel to be arranged; Idle carrier channel is arranged between the near-end machine of base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system; Then send a pseudo-carrier wave by the base station, this puppet carrier wave transmits to remote termination through the near-end machine, until arriving portable terminal.
If there is not idle carrier channel between the near-end machine of base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system; Then detecting remote termination telephone traffic how many used pseudo-carrier waves also can self be provided by the near-end machine; That is, after setting up the taking turn routing table, the near-end machine can be set up pseudo-carrier wave; According to the taking turn routing table of said foundation, the pseudo-carrier wave of setting up is sent to by the taking turn remote termination.
The near-end machine after the pseudo-carrier wave that will set up is sent to by the taking turn remote termination, to base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount.As previously mentioned, because after pseudo-carrier wave sent from the near-end machine, the portable terminal of pseudo-carrier wave to its sub-district, place that will be received by the remote termination of taking turn sent; If portable terminal receives pseudo-carrier signal, then this portable terminal under the request of base station can to base station feedback should the puppet carrier wave pilot frequency information.Therefore, the near-end machine can send a request to the base station after the pseudo-carrier wave that will set up is sent to by the taking turn remote termination, the said pseudo-carrier wave of the said reception of requesting query by taking turn remote termination live traffice amount.If do not receive pseudo-carrier signal before the portable terminal; Then the Query Result of base station is for inquiring about less than the traffic that comprises pseudo-carrier pilot information; Proof portable terminal this moment does not establish a connection with the base station; Promptly do not carry out talk business, the near-end machine can judge in view of the above that this moment, this remote termination did not have telephone traffic; Otherwise; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If receive pseudo-carrier signal before the portable terminal, then the Query Result of base station is to inquire the traffic that comprises pseudo-carrier pilot information, prove that portable terminal and base station establish a connection at this moment; Promptly carrying out talk business, then the near-end machine can judge in view of the above that this moment, this remote termination had telephone traffic.
If through inquiry know the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less; Then the near-end machine is to the acquisition instructions that is issued indication collection service data by the taking turn remote termination that receives said pseudo-carrier wave; Promptly; Knowing the less or when not having telephone traffic of the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount through inquiry; The near-end machine is to the acquisition instructions that is issued indication collection service data by the taking turn remote termination that receives said pseudo-carrier wave; Perhaps, know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount more or telephone traffic is arranged after, then near-end machine taking turn this time finishing back, when taking turn next time; If inquiry know receive said pseudo-carrier wave by taking turn remote termination live traffice amount less or do not have telephone traffic after, issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave once more.
The interference detecting apparatus of accompanying drawing 1 to accompanying drawing 5 examples can be used for indoor distributed system.Usually, indoor distributed system mainly comprises near-end machine (or master unit) and remote termination (or far-end unit), can also comprise expanding element.
The near-end machine can be realized the access of the radiofrequency signal of multiband multi-operator, for example, and the access of the radiofrequency signal of different systems such as CDMA, GSM, DCS, PCS, UMTS, LTE and WLAN and different operators.For downstream signal, the same frequency band signals of a plurality of operators can close road input near-end machine, and the near-end machine through down-conversion and analog-to-digital conversion, forms the digital channel of a plurality of carrier waves to signal in the near-end machine.In like manner; Other frequency range also can adopt the different road mode of closing; Form the digital channel of a plurality of carrier wave at numeric field, digital channel can become according to the actual broadband of carrier wave, and all digital carrier passages can output to one or more near-end machine delivery outlets through a logic switch matrix.Digital signal can be by certain agreement, and for example, protocol transmission such as CPRI or OBSAI are to expanding element or remote termination.The near-end machine can be realized not cascade or another near-end machine of cascade, accompanying drawing 6b example be the indoor distributed system of a plurality of near-end machine cascade.
Expanding element can realize inserting more remote termination, and like the indoor distributed system of accompanying drawing 6c example, an expanding element can connect a plurality of remote terminations.Unpack expanding element from the digital signal of near-end machine input; Recover carrier channel; Expanding element can be supported a plurality of carrier channels, and a plurality of carrier channels can realize that carrier wave outputs to subtending port and the interface that connects remote termination through a logic switch battle array, and digital signal can be by certain agreement; For example, protocol transmission such as CPRI or OBSAI is to remote termination.
Remote termination is realized the digital signal of a plurality of operators is upconverted to the RF signal, and is radiated indoor from antenna opening.For upward signal, the same frequency range of a plurality of operators or the mobile phone signal of different frequency range are coupled into the receive path of remote termination through antenna, and signal through down-conversion and analog-to-digital conversion, is formed the digital channel of a plurality of carrier waves in remote termination.Digital signal can be by certain agreement, and for example, protocol transmission such as CPRI or OBSAI are to expanding element or near-end machine.The receive path of remote termination can be realized the detection of received field strength, functions such as spectrum scan.
The same carrier wave of a plurality of remote terminations superposes in expanding element or near-end machine; The same carrier signal of the upward signal of a plurality of expanding elements is carried out overlap-add procedure in the near-end machine; For example, be coupled to the base station through Digital Up Convert, digital-to-analogue conversion, simulation up-conversion with after amplifying through coupler.
Accompanying drawing 6d is the indoor distributed system that the embodiment of the invention provides, and it comprises near-end machine 61 and at least one remote termination 62, wherein:
Remote termination 62 is used to receive that near-end machine 61 issues is used to indicate the acquisition instructions of gathering service data and returns service data to near-end machine 61, and said service data comprises the received field strength and the frequency spectrum data of remote termination 62.Remote termination 62 also can comprise identity recognition number memory cell 621, is used to store the identity recognition number (ID number) of remote termination.
Near-end machine 61 comprises that the taking turn routing table is set up module 611, acquisition instructions issues module 612 and data reception module 613, wherein:
The taking turn routing table is set up module 611 and is used to set up the taking turn routing table; Acquisition instructions issues module 612 and is used for setting up the taking turn routing table that module 611 is set up according to the taking turn routing table; To being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data.The taking turn routing table that the taking turn routing table is set up module 611 foundation is used for the remote termination of indoor distributed system is carried out taking turn.Data reception module 613 be used to receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
Particularly; The taking turn routing table is set up module 611 can store the location database of remote termination (or far-end unit) at indoor distributing position through inquiry; According to location database and combine the identity recognition number (ID) of each remote termination; The mapping table that foundation is made up of in the mapping relations of indoor distributing position and this remote termination ID each remote termination, this mapping table can be regarded as the taking turn routing table.Acquisition instructions issues module 612 and sets up first remote termination that taking turn routing table that module 611 sets up is confirmed according to the taking turn routing table, this remote termination is issued indication is said is gathered the acquisition instructions of service data by the taking turn remote termination, and this is the beginning of taking turn.This remote termination gets access to through after its receiver carries out analog-to-digital statistics power, should add up performance number again and be converted to antenna opening, through antenna opening the received field strength (RSSI or RTWP) of this remote termination is sent to the near-end machine; Remote termination also can carry out spectrum scan through an idle carrier channel to this remote termination, obtains its frequency spectrum data, is sent to the near-end machine through antenna opening then.The data reception module 613 of near-end machine obtains the received field strength (RSSI or RTWP) and the frequency spectrum data of this remote termination from antenna opening.
Need to prove; In the execution mode of above indoor distributed system, the division of each functional module only illustrates, can be as required in the practical application; For example the facility of the realization of the configuration requirement of corresponding hardware or software is considered; And above-mentioned functions is distributed by the different functional completion, the internal structure that is about to said indoor distributed system is divided into different functional, to accomplish all or part of function of above description.And; In the practical application, the corresponding functional modules in the present embodiment can be to be realized by relevant hardware, also can carry out corresponding software by relevant hardware and accomplish; For example; Aforesaid acquisition instructions issues module, can be to have to carry out aforementionedly to set up the taking turn routing table that module (or the taking turn routing table is set up device) is set up according to said taking turn routing table, to issued the said hardware of being gathered the acquisition instructions of service data by the taking turn remote termination of indication by the taking turn remote termination; For example acquisition instructions issues device, thereby also can be to carry out general processor or other hardware devices that the corresponding computer program is accomplished aforementioned functional; Aforesaid for another example data reception module; Can be to have that to carry out aforementioned reception said said by whether the be interfered hardware of function of taking turn remote termination to confirm by the service data of taking turn remote termination; Data sink for example, thus also can be to carry out general processor or other hardware devices (each embodiment that this specification provides can use the foregoing description principle) that the corresponding computer program is accomplished aforementioned functional.
Indoor distributed system by the embodiment of the invention shown in the accompanying drawing 6a provides can be known; Because after the taking turn routing table of near-end machine is set up module and is set up the taking turn routing table; The acquisition instructions of near-end machine issues that module can indication is said be gathered the acquisition instructions of service data by the taking turn remote termination to being issued by the taking turn remote termination according to said taking turn routing table, the data reception module of near-end machine receive said by the service data of taking turn remote termination to confirm whether is interfered by the remote termination of taking turn.Therefore; The method of the indoor interference of discovery that provides with prior art is compared; Indoor distributed system provided by the invention does not need that a large amount of manual works is collaborative to be carried out; Do not need veteran technician especially yet and participate in, not only reduced to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination that is disturbed.
The near-end machine 61 of Fig. 6 d example can further include data upload module 701, the indoor distributed system that another embodiment of the present invention provides shown in accompanying drawing 7.Data upload module 701 is connected with data reception module 613; (Operating Management Center is OMC) so that the operation management center confirms saidly whether be interfered by the remote termination of taking turn to be used for that the service data by the taking turn remote termination that data reception module 613 receives is uploaded to the operation management center.Particularly, data upload module 701 can be uploaded to the service data by the taking turn remote termination that data reception module 613 receives the server at OMC place.The received field strength and the frequency spectrum data of the indoor distributed system remote termination that the server stores at OMC place is arrived by taking turn are analyzed it.If through analyzing; The frequency spectrum data of the remote termination that the received field strength of knowing the remote termination that data reception module 613 is received is received greater than preset received field strength threshold value or data reception module 613 is greater than preset frequency spectrum data threshold value; Confirm that then this remote termination has received interference, can further determine this remote termination and position thereof by the mapping relations of remote termination ID and its position in the taking turn routing table.
The analysis of the service data that data receiver module 613 is received also can be undertaken by near-end machine 61; The indoor distributed system that another embodiment of the present invention provides shown in accompanying drawing 8, it can further comprise interference determination module 801 that is connected with data reception module 613 and the reporting module 802 that is connected with interference determination module 801 on the near-end machine 61 of accompanying drawing 7 examples.
Disturb determination module 801 to be used for analyzing through the service data that data receiver module 613 is received by the taking turn remote termination; Confirm saidly whether be interfered by the remote termination of taking turn; And reporting module 802 is used for the relevant information of the remote termination that disturbs determination module 801 to confirm to be interfered is reported to network management system; For example, position and/or the identity recognition number (ID) with the remote termination of confirming to be interfered reports to network management system.
The interference determination module 801 of accompanying drawing 8 examples can further include comparing unit 901 and confirms unit 902 with remote termination, the indoor distributed system that another embodiment of the present invention provides shown in accompanying drawing 9, wherein:
Comparing unit 901 is used for service data that data reception module 613 is received and the received field strength threshold value of presetting or frequency spectrum data threshold ratio; Remote termination confirm that unit 802 is used for if the comparative result of comparing unit 801 be the received field strength of the remote termination that receives greater than the frequency spectrum data of preset received field strength threshold value or the remote termination that receives greater than preset frequency spectrum data threshold value, then set up taking turn routing table that module 611 sets up and confirm the remote termination that disturbed according to the taking turn routing table.Particularly; If the received field strength of the remote termination that data reception module 613 receives is than the high certain threshold value of normal received field strength; Perhaps; The frequency spectrum data of the remote termination that data reception module 613 receives occurs in the carrier frequency point position can judging then that than the make an uproar signal of high 3dB of the end this remote termination has received interference, sets up the position or the ID of the remote termination that taking turn routing table that module 611 sets up can confirm to be disturbed according to the taking turn routing table.
For the indoor distributed system of accompanying drawing 6d to accompanying drawing 9 examples, it is fewer or do not have under the prerequisite of traffic whether remote termination be interfered and detect to can be used on the remote termination telephone traffic of indoor distributed system.In order to know what of remote termination telephone traffic; Can when 61 taking turns of near-end machine, use pseudo-carrier wave (so-called pseudo-carrier wave; Be only to carry pilot signal or broadcast singal with the difference of general carrier wave and the carrier wave of bearer service signal not, pseudo-carrier wave can and detect its watt level by demodulation at the portable terminal place) detect, promptly; After pseudo-carrier wave sent from the near-end machine, the portable terminal of pseudo-carrier wave to its sub-district, place that will be received by the remote termination of taking turn sent.If portable terminal is received pseudo-carrier signal; Then this portable terminal under the request of base station can to base station feedback should the puppet carrier wave pilot frequency information (pilot frequency information of this puppet carrier wave arrives the base station by remote termination through the near-end machine); If portable terminal is not received pseudo-carrier signal; Then this portable terminal just can not to base station feedback should the puppet carrier wave pilot frequency information, do not have pseudo-carrier signal certainly yet and arrive the base station through the near-end machine.Therefore; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If do not receive pseudo-carrier signal before the portable terminal, then the base station inquiry proves that less than the traffic that comprises pseudo-carrier pilot information this moment, portable terminal did not establish a connection with the base station; Promptly do not carry out talk business, the near-end machine can judge in view of the above that this moment, this remote termination did not have telephone traffic; Otherwise; At the near-end machine during to the telephone traffic of sub-district, base station requests inquiry near-end machine place; If receive pseudo-carrier signal before the portable terminal, then the base station can inquire the traffic that comprises pseudo-carrier pilot information, prove that portable terminal and base station establish a connection at this moment; Promptly carrying out talk business, then the near-end machine can judge that this moment, this remote termination had telephone traffic.With said method, what of remote termination live traffice amount the near-end machine can detect.
In the lab analysis system of accompanying drawing 6d example; The baseband processing unit and the Remote Radio Unit that detect remote termination telephone traffic how many used pseudo-carrier waves and be by base station or base station provide; Promptly when taking turn begins; Base station controller at first sends an inquiry instruction, between the near-end machine of inquiry base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system leisureless carrier channel is arranged; This inquiry instruction also arrives remote termination through the near-end machine; Between inquiry near-end machine and the remote termination leisureless carrier channel to be arranged; Idle carrier channel is arranged between the near-end machine of base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system; Then send a pseudo-carrier wave by the base station, this puppet carrier wave transmits to remote termination through the near-end machine, until arriving portable terminal.
If there is not idle carrier channel between the near-end machine of base station (or the baseband processing unit of base station and Remote Radio Unit) and indoor distributed system; Then detecting remote termination telephone traffic how many used pseudo-carrier waves also can self be provided by near-end machine 61; Promptly; The near-end machine 61 of accompanying drawing 6d example may further include pseudo-carrier wave and sets up module 1001, pseudo-carrier wave sending module 1002 and telephone traffic enquiry module 1003, the indoor distributed system that another embodiment of the present invention provides shown in accompanying drawing 10, wherein:
Pseudo-carrier wave is set up module 1001 and is used to set up pseudo-carrier wave;
Pseudo-carrier wave sending module 1002 is used for setting up the taking turn routing table that module 101 is set up according to said taking turn routing table, and the pseudo-carrier wave of pseudo-carrier wave being set up module 1001 foundation is sent to by the taking turn remote termination;
Telephone traffic enquiry module 1003 be used for to base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount;
As previously mentioned, because after pseudo-carrier wave sent from the near-end machine, the portable terminal of pseudo-carrier wave to its sub-district, place that will be received by the remote termination of taking turn sent; If portable terminal receives pseudo-carrier signal, then this portable terminal can to base station feedback should the puppet carrier wave pilot frequency information (pilot frequency information of this puppet carrier wave arrives the base station by remote termination through the near-end machine).Therefore, telephone traffic enquiry module 1003 can send a request to the base station, the said pseudo-carrier wave of the said reception of requesting query by taking turn remote termination live traffice amount.If do not receive pseudo-carrier signal before the portable terminal; Then the Query Result of base station is for inquiring about less than the traffic that comprises pseudo-carrier pilot information; Proof portable terminal this moment does not establish a connection with the base station; Promptly do not carry out talk business, near-end machine 61 can judge in view of the above that this moment, this remote termination did not have telephone traffic; Otherwise; At telephone traffic enquiry module 1003 during to the telephone traffic of base station requests inquiry sub-district, near-end machine 61 place; If receive pseudo-carrier signal before the portable terminal, then the Query Result of base station is to inquire the traffic that comprises pseudo-carrier pilot information, prove that portable terminal and remote termination establish a connection at this moment; Promptly carrying out talk business, then near-end machine 61 can judge in view of the above that this moment, this remote termination had telephone traffic.
Under above-mentioned scene; Acquisition instructions issue module 612 specifically be used for telephone traffic enquiry module 1003 know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less after; To the acquisition instructions that is issued indication collection service data by the taking turn remote termination that receives said pseudo-carrier wave; Promptly; Know the less or when not having telephone traffic of the said pseudo-carrier wave of said reception at telephone traffic enquiry module 1003 through inquiry by taking turn remote termination live traffice amount; Acquisition instructions issues module 612 to the acquisition instructions that is issued indication collection service data by the taking turn remote termination that receives said pseudo-carrier wave; Perhaps, telephone traffic enquiry module 1003 know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount more or telephone traffic is arranged after, then taking turn this time finish the back, when taking turn next time; If inquiry know receive said pseudo-carrier wave by taking turn remote termination live traffice amount less or do not have telephone traffic after, acquisition instructions issues module 612 and is issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave.
The indoor distributed system of accompanying drawing 6d example, its pseudo-carrier wave that uses can be provided by the baseband processing unit and the Remote Radio Unit of base station, base station or base station, the indoor distributed system that another embodiment of the present invention provides shown in accompanying drawing 11.Wherein, base station controller 63 issues the instruction of setting up pseudo-carrier wave to base station 64 (or the baseband processing unit of base station and Remote Radio Unit).Base station 64 detects whether there is idle carrier channel between itself and the near-end machine 61 after receiving this instruction, if exist, then produce a pseudo-carrier wave by its pseudo-carrier generator and give near-end machine 61.
The indoor distributed system of accompanying drawing 6d example can further include expanding element 1201, the indoor distributed system that another embodiment of the present invention provides shown in accompanying drawing 12.Expanding element 1201 is connected with remote termination 62 with near-end machine 61, is used for exporting carrier wave to subtending port and said remote termination 62.
Need to prove; Contents such as the information interaction between each module/unit of said apparatus, implementation; Since with the inventive method embodiment based on same design; Its technique effect that brings is identical with the inventive method embodiment, and particular content can repeat no more referring to the narration among the inventive method embodiment here.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to accomplish through program, such as following the whole bag of tricks one or more or all:
Set up the taking turn routing table, said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
According to the taking turn routing table of said foundation, to being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to accomplish through program; This program can be stored in the computer-readable recording medium; Storage medium can comprise: read-only memory (ROM; Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
More than a kind of interference detecting apparatus, method and indoor distributed system that the embodiment of the invention is provided carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims (12)

1. an interference detecting apparatus is characterized in that, said device comprises that the taking turn routing table is set up module, acquisition instructions issues module and data reception module;
Said taking turn routing table is set up module, is used to set up the taking turn routing table, and said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
Said acquisition instructions issues module; Be used for setting up the taking turn routing table that module is set up according to said taking turn routing table; Indication is said is gathered the acquisition instructions of service data by the taking turn remote termination to being issued by the taking turn remote termination, and said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Said data reception module, be used to receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
2. device as claimed in claim 1 is characterized in that, said device also comprises the data upload module that is connected with said data reception module;
Said data upload module is used for the service data that said data reception module receives is uploaded to the operation management center so that said operation management center confirms whether be interfered by the taking turn remote termination.
3. device as claimed in claim 1 is characterized in that, said device also comprises interference determination module that is connected with said data reception module and the reporting module that is connected with said interference determination module;
Said interference determination module is used for analyzing through the service data that said data reception module is received, and confirms whether be interfered by the taking turn remote termination;
Said reporting module, the relevant information of the remote termination that is used for said interference determination module is confirmed to be interfered reports to network management system.
4. device as claimed in claim 3 is characterized in that, said interference determination module comprises that comparing unit and remote termination confirm the unit;
Said comparing unit is used for service data that said data reception module is received and the received field strength threshold value of presetting or frequency spectrum data threshold ratio;
Said remote termination is confirmed the unit; Be used for if the comparative result of said comparing unit be the received field strength of the said remote termination that receives greater than the frequency spectrum data of said received field strength threshold value or the said remote termination that receives greater than said frequency spectrum data threshold value, then set up taking turn routing table that module sets up and confirm the remote termination that disturbed according to said taking turn routing table.
5. device as claimed in claim 1 is characterized in that, said device also comprises:
Pseudo-carrier wave is set up module, is used to set up pseudo-carrier wave;
Pseudo-carrier wave sending module is used for setting up the taking turn routing table that module is set up according to said taking turn routing table, and said pseudo-carrier wave is sent to by the taking turn remote termination;
The telephone traffic enquiry module, be used for to base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount;
Said acquisition instructions issue module specifically be used for said telephone traffic enquiry module know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less after, issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave.
6. an interference detection method is characterized in that, said method comprises:
Set up the taking turn routing table, said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
According to the taking turn routing table of said foundation, to being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
7. method as claimed in claim 6 is characterized in that, said reception is said also to be comprised by after the service data of taking turn remote termination:
The service data of said reception is uploaded to the operation management center so that said operation management center confirms saidly whether be interfered by the taking turn remote termination.
8. method as claimed in claim 6 is characterized in that, said reception is said also to be comprised by after the service data of taking turn remote termination:
Whether the service data through to said reception is analyzed, confirm to be interfered by the taking turn remote termination;
Be interfered by the taking turn remote termination as if said, then the relevant information with the said remote termination that is interfered reports to network management system.
9. whether method as claimed in claim 8 is characterized in that, saidly analyzes through the service data to said reception, confirm to be interfered by the taking turn remote termination to comprise:
With the service data of said reception and preset received field strength threshold value or frequency spectrum data threshold ratio;
If the comparative result of said comparison be the received field strength of the said remote termination that receives greater than the frequency spectrum data of said received field strength threshold value or the said remote termination that receives greater than said frequency spectrum data threshold value, then confirm the remote termination that disturbed according to said taking turn routing table.
10. method as claimed in claim 6 is characterized in that, the said taking turn routing table of setting up also comprises afterwards:
Set up pseudo-carrier wave;
According to said taking turn routing table, said pseudo-carrier wave is sent to by the taking turn remote termination;
To base station requests inquire about the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount;
Said taking turn routing table according to said foundation is comprised by the acquisition instructions of taking turn remote termination collection service data to issued indication by the taking turn remote termination:
Know through inquiry the said pseudo-carrier wave of said reception by taking turn remote termination live traffice amount less or follow-up during once more by taking turn telephone traffic less after, issued the acquisition instructions that service data is gathered in indication by the taking turn remote termination to what receive said pseudo-carrier wave.
11. indoor distributed system; Comprise near-end machine and at least one remote termination; It is characterized in that; Said remote termination is used to receive that said near-end machine issues is used to indicate the acquisition instructions of gathering service data and returns service data to said near-end machine, and said service data comprises the received field strength and the frequency spectrum data of said remote termination;
Said near-end machine comprises that the taking turn routing table is set up module, acquisition instructions issues module and data reception module;
Said taking turn routing table is set up module, is used to set up the taking turn routing table, and said taking turn routing table is used for the remote termination of indoor distributed system is carried out taking turn;
Said acquisition instructions issues module; Be used for setting up the taking turn routing table that module is set up according to said taking turn routing table; To being issued indication by the taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, said service data comprises said by the received field strength of taking turn remote termination and frequency spectrum data;
Said data reception module, be used to receive said by the service data of taking turn remote termination to confirm saidly whether to be interfered by the taking turn remote termination.
12. indoor distributed system as claimed in claim 11 is characterized in that, said indoor distributed system also comprises the expanding element that is connected with remote termination with said near-end machine;
Said expanding element is used for exporting carrier wave to subtending port and said remote termination.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711240A (en) * 2012-05-18 2012-10-03 华为技术有限公司 Indoor locating method, data acquisition method and data acquisition system
CN110011716A (en) * 2018-01-04 2019-07-12 杭州海康机器人技术有限公司 A kind of earth station
CN108243429B (en) * 2016-12-27 2021-05-14 中国移动通信集团浙江有限公司 Network coverage detection method and system for indoor distribution system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040100938A1 (en) * 2002-07-31 2004-05-27 Cattron-Theimeg, Inc. System and method for wireless remote control of locomotives
CN101056202A (en) * 2007-05-31 2007-10-17 武汉虹信通信技术有限责任公司 A method for realizing the multi-task polling in the network management monitoring system
CN102237924A (en) * 2011-07-22 2011-11-09 京信通信系统（中国）有限公司 Method and device for detecting interference of downlink in uplink of repeater

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040100938A1 (en) * 2002-07-31 2004-05-27 Cattron-Theimeg, Inc. System and method for wireless remote control of locomotives
CN101056202A (en) * 2007-05-31 2007-10-17 武汉虹信通信技术有限责任公司 A method for realizing the multi-task polling in the network management monitoring system
CN102237924A (en) * 2011-07-22 2011-11-09 京信通信系统（中国）有限公司 Method and device for detecting interference of downlink in uplink of repeater

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
朱泽健等: "CDMA移动通信直放站检测技术探讨", 《电子质量》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711240A (en) * 2012-05-18 2012-10-03 华为技术有限公司 Indoor locating method, data acquisition method and data acquisition system
CN102711240B (en) * 2012-05-18 2015-11-25 华为技术有限公司 Indoor orientation method, collecting method and system
CN108243429B (en) * 2016-12-27 2021-05-14 中国移动通信集团浙江有限公司 Network coverage detection method and system for indoor distribution system
CN110011716A (en) * 2018-01-04 2019-07-12 杭州海康机器人技术有限公司 A kind of earth station

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