CN102404781B - Interference detection device and method and indoor distribution system - Google Patents

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 continuous evolution of the wireless communication technologys such as the second generation (2G), the third generation (3G) and the 4th generation (4G), to data traffic requirement, (particularly after intelligent terminal listing) is index rising situation to people, and mobile subscriber's increase at full speed and skyscraper is more and more, traffic density and coverage requirement also constantly rise.Because these architectural scale are large, quality is good, mobile telephone signal is had to very strong shielding action.For example, under the environment such as low layer, market place builet below the ground and the underground parking of building, a little less than mobile communication signal, mobile phone cannot normally use, and has formed blind area and the shadow region of mobile communication; At intermediate floor, overlapping due to from different base station signal around, produces ping-pong, and mobile phone frequently switches, and even call drop has had a strong impact on the normal use of mobile phone; At the high level of building, owing to being subject to the limitation in height of antenna for base station, cannot normally cover, be also the blind area of mobile communication.In addition, in some building, although mobile phone can normal talking, user density is large, and BTS channel is crowded, the mobile phone difficulty of reaching the standard grade.Particularly the network coverage of mobile communication, capacity and quality etc. 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.

A kind of method of finding indoor interference that prior art provides is by after the data analysis collecting, and progressively investigates out interference.For example, due to uplink interference be mainly reflected in make an uproar at the bottom of base station RTWP and standing wave VSWR value higher, therefore, if by system to be tested descending loading more than 4 hours at full capacity, after extracting make an uproar at the bottom of base station RTWP and standing wave VSWR value and analyzing, can investigate out interference; And for example; while there is uplink interference; in call cellphone subscriber conventionally have caller hear after " beep, beep, beep ", just go offline and communication process in the other side (other regions) can feel intermittently, the phenomenon such as noise and quiet even call drop; therefore, by complaining data analysis also can investigate out interference to these.

According to disturbing investigation statistics in actual items, occur that the situation that uplink interference is maximum is that the dry equipment of putting causes, be secondly Filter Combiner and external disturbance.Therefore, in uplink interference problem investigation process, investigation thinking and principle have two: the one, first investigate the situation that occurs uplink interference possibility maximum, and the 2nd, investigation is according to order from the easier to the more advanced.

But the interference investigation flow process that above-mentioned prior art provides is very numerous and diverse, therefore need the technician who has wide experience to participate in or a large amount of artificial collaborative carrying out, quantities is large; If will, to disturbing investigation flow process to be optimized, also relate to a set of quite complicated program.

Summary of the invention

The embodiment of the present 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 present invention provides a kind of interference detecting apparatus, and described device comprises that taking turn routing table is set up module, acquisition instructions issues module and data reception module;

Described taking turn routing table is set up module, and for setting up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

Described acquisition instructions issues module, for set up the taking turn routing table that module is set up according to described taking turn routing table, to issued the described acquisition instructions that is gathered service data by taking turn remote termination of indication by taking turn remote termination, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Whether described data reception module, be describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination for receiving.

Alternatively, described device also comprises the data upload module being connected with described data reception module, data upload module, is uploaded to operation management center so that described operation management center is determined whether is interfered by taking turn remote termination for the service data that described data reception module is received.

Alternatively, described device also comprises the interference determination module being connected with described data reception module and the reporting module being connected with described interference determination module, described interference determination module, for analyzing by the service data that described data reception module is received, determine and whether be interfered by taking turn remote termination; Described reporting module, for determining described interference determination module the relevant information of the remote termination being interfered reports to network management system.

Alternatively, described interference determination module comprises comparing unit and remote termination determining unit, and described comparing unit, for service data that described data reception module is received and default received field strength threshold value or the comparison of frequency spectrum data threshold value; Described remote termination determining unit, if the received field strength of the remote termination receiving described in for the comparative result of described comparing unit being be greater than described received field strength threshold value or described in the frequency spectrum data of the remote termination that receives be greater than described frequency spectrum data threshold value, set up according to described taking turn routing table the taking turn routing table that module sets up and determine the remote termination being disturbed.

Alternatively, described device also comprises that pseudo-carrier wave sets up module, pseudo-carrier wave sending module and telephone traffic enquiry module, and described pseudo-carrier wave is set up module, for setting up pseudo-carrier wave; Described pseudo-carrier wave sending module, the taking turn routing table of setting up for set up module according to described taking turn routing table, is sent to described pseudo-carrier wave by taking turn remote termination; Described telephone traffic enquiry module, for inquire about to base station requests the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount; Described acquisition instructions issue module specifically for know through inquiry at described telephone traffic enquiry module the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less after, to the acquisition instructions that is issued indication by taking turn remote termination and gather service data that receives described pseudo-carrier wave.

The embodiment of the present invention provides a kind of interference detection method, and described method comprises:

Set up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

According to the taking turn routing table of described foundation, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Receive and describedly describedly whether be interfered by taking turn remote termination to determine by the service data of taking turn remote termination.

Alternatively, described reception is described is also comprised after the service data of taking turn remote termination: the service data of described reception is uploaded to operation management center so that described operation management center determines describedly whether be interfered by taking turn remote termination.

Whether alternatively, described reception is described is also comprised by after the service data of taking turn remote termination: analyze by the service data to described reception, determine and be interfered by taking turn remote termination; Be interfered by taking turn remote termination if described, the relevant information of the described remote termination being interfered reported to network management system.

Alternatively, describedly analyze by the service data to described reception, determine and whether be interfered and comprise by taking turn remote termination: by the service data of described reception and default received field strength threshold value or the comparison of frequency spectrum data threshold value; If the received field strength of the remote termination that the comparative result of described comparison receives described in being be greater than described received field strength threshold value or described in the frequency spectrum data of the remote termination that receives be greater than described frequency spectrum data threshold value, determine according to described taking turn routing table the remote termination being disturbed.

Alternatively, the described taking turn routing table of setting up also comprises afterwards: set up pseudo-carrier wave; According to described taking turn routing table, described pseudo-carrier wave is sent to by taking turn remote termination; To base station requests inquire about the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount; Described according to the taking turn routing table of described foundation, gathered the acquisition instructions of service data by taking turn remote termination and comprise to issued indication by taking turn remote termination: know through inquiry the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less after, to the acquisition instructions that is issued indication by taking turn remote termination and gather service data that receives described pseudo-carrier wave.

The embodiment of the present invention provides a kind of indoor distributed system, described system comprises near-end machine and at least one remote termination, gather the acquisition instructions of service data and return to service data to described near-end machine for receiving being used to indicate that described near-end machine issues, described service data comprises received field strength and the frequency spectrum data of described remote termination;

Described near-end machine comprises that taking turn routing table is set up module, acquisition instructions issues module and data reception module;

Described taking turn routing table is set up module, and for setting up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

Described acquisition instructions issues module, for set up the taking turn routing table that module is set up according to described taking turn routing table, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Whether described data reception module, be describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination for receiving.

Alternatively, described indoor distributed system also comprises the expanding element being connected with described near-end machine and remote termination, and described expanding element is for exporting carrier wave to subtending port and described remote termination.

From the invention described above embodiment, set up after taking turn routing table owing to setting up module in taking turn routing table, acquisition instructions issues that module can indication is described be gathered the acquisition instructions of service data by taking turn remote termination to being issued by taking turn remote termination, and whether data reception module receives and be describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination.Therefore, compared with the method for the indoor interference of discovery providing with prior art, interference detecting apparatus provided by the invention does not need a large amount of artificial collaborative carrying out, need to there is not especially the technician that experience is abundant to participate in yet, not only reduce to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination being disturbed.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in prior art or embodiment description be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, can also obtain as these accompanying drawings other accompanying drawing.

Fig. 1 is the interference detecting apparatus structural representation that the embodiment of the present 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 present invention provides;

Fig. 6 b is the indoor distributed system schematic diagram of multiple near-end machine cascades;

Fig. 6 c is the indoor distributed system schematic diagram that comprises expanding element;

Fig. 6 d is the indoor distributed system structural representation that the embodiment of the present 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

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain, belongs to the scope of protection of the invention.

Referring to accompanying drawing 1, is the interference detecting apparatus structural representation that the embodiment of the present invention provides.For convenience of explanation, only show the part relevant to the embodiment of the present 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 taking turn routing table is set up module 101, acquisition instructions issues module 102 and data reception module 103, wherein:

Taking turn routing table is set up module 101 for setting up taking turn routing table; Acquisition instructions issues module 102 and sets up module 101 with taking turn routing table and be connected, for setting up according to described taking turn routing table the taking turn routing table that module 101 is set up, to issued the described acquisition instructions that is gathered service data by taking turn remote termination of indication by taking turn remote termination, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data; Whether data reception module 103 is describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination for receiving.

Taking turn routing table is set up taking turn routing table that module 101 sets up for the remote termination of indoor distributed system is carried out to taking turn.Particularly, taking turn routing table is set up module 101 can store the location database of remote termination (or far-end unit) in indoor distribution position by inquiry, according to location database and in conjunction with the identity recognition number (ID) of each remote termination, set up the mapping table being made up of in the mapping relations of indoor distribution position and this remote termination ID each remote termination, this mapping table can be considered as taking turn routing table.

Acquisition instructions issues module 102 and sets up according to taking turn routing table first definite remote termination of taking turn routing table that module 101 is set up, and this remote termination is issued to the described acquisition instructions that is gathered service data by taking turn remote termination of indication, and this is the beginning of taking turn.This remote termination gets after its receiver carries out analog-to-digital statistics power, then this statistics performance number is converted to antenna opening, by antenna opening, the received field strength of this remote termination (RSSI or RTWP) is sent to near-end machine; Remote termination also can, by this remote termination idle carrier channel is carried out to spectrum scan, obtain its frequency spectrum data, is then sent to near-end machine by antenna opening.The data reception module 103 of near-end machine obtains received field strength (RSSI or RTWP) and the frequency spectrum data of this remote termination from antenna opening.

It should be noted that, in the execution mode of above interference detecting apparatus, the division of each functional module only illustrates, can be as required in practical application, the facility of the configuration requirement of for example corresponding hardware or the realization of software is considered, completed by different functional modules and above-mentioned functions is distributed, be divided into different functional modules by the internal structure of described interference detecting apparatus, to complete all or part of function described above.And, in practical application, corresponding functional module in the present embodiment can be to be realized by corresponding hardware, also can be completed by the corresponding software of corresponding hardware implement, for example, aforesaid acquisition instructions issues module, can be to have to carry out the aforementioned taking turn routing table of setting up module (or taking turn routing table builder) foundation according to described taking turn routing table, to issued the described hardware that is gathered the acquisition instructions of service data by taking turn remote termination of indication by taking turn remote termination, for example hair device under acquisition instructions, thereby can be also general processor or other hardware devices that can carry out corresponding computer program and complete aforementioned function, for another example aforesaid data reception module, can be that to have the aforementioned reception of execution described described by whether the be interfered hardware of function of taking turn remote termination to determine by the service data of taking turn remote termination, for example data sink, thus can be also general processor or other hardware devices (each embodiment that this specification provides can apply foregoing description principle) that can carry out corresponding computer program and complete aforementioned function.

The interference detecting apparatus being provided from the embodiment of the present invention shown in accompanying drawing 1, set up after taking turn routing table owing to setting up module in taking turn routing table, acquisition instructions issues module can be according to described taking turn routing table to being issued the described acquisition instructions that is gathered service data by taking turn remote termination of indication by taking turn remote termination, whether data reception module reception is described is interfered to determine by the remote termination of taking turn by the service data of taking turn remote termination.Therefore, compared with the method for the indoor interference of discovery providing with prior art, interference detecting apparatus provided by the invention does not need a large amount of artificial collaborative carrying out, need to there is not especially the technician that experience is abundant to participate in yet, not only reduce to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination being 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 as shown in Figure 2.Data upload module 201 is connected with data reception module 103, be uploaded to operation management center (Operating Management Center, OMC) so that operation management center determines describedly whether be interfered by the remote termination of taking turn for the service data by taking turn remote termination that data reception module 103 is received.Particularly, the service data by taking turn remote termination that data upload module 201 can receive data reception module 103 is uploaded to the server at OMC place.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, analyze it.If by analysis, the frequency spectrum data that the received field strength of knowing the remote termination that data reception module 103 receives is greater than the remote termination that default received field strength threshold value or data reception module 103 receive is greater than default frequency spectrum data threshold value, determine that this remote termination has been subject to interference, can further determine this remote termination and position thereof by the mapping relations of remote termination ID and its position in taking turn routing table.

The analysis of the service data that data reception module 103 is received also can be undertaken by interference detecting apparatus, the interference detecting apparatus that another embodiment of the present invention provides as shown in Figure 3, it can further comprise the interference determination module 301 being connected with data reception module 103 and the reporting module 302 being connected with interference determination module 301 on the interference detecting apparatus of accompanying drawing 1 example.

Disturb determination module 301 for analyzing by the service data by taking turn remote termination that data reception module 103 is received, determine describedly whether be interfered by the remote termination of taking turn, and reporting module 302 is for disturbing determination module 301 to determine that the relevant information of the remote termination being interfered reports to network management system, for example, position and/or the identity recognition number (ID) of determining the remote termination being interfered are reported to network management system.

The interference determination module 301 of accompanying drawing 3 examples can further include comparing unit 401 and remote termination determining unit 402, the interference detecting apparatus that another embodiment of the present invention provides as shown in Figure 4, wherein:

Comparing unit 401 is for service data that data reception module 103 is received and default received field strength threshold value or the comparison of frequency spectrum data threshold value, if the received field strength that remote termination determining unit 402 is the remote termination that receives for the comparative result of comparing unit 401 is greater than default received field strength threshold value or the frequency spectrum data of the remote termination that receives is greater than default frequency spectrum data threshold value, sets up according to taking turn routing table the taking turn routing table that module 101 sets up and determine the remote termination being disturbed.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, or, the frequency spectrum data of the remote termination that data reception module 103 receives occurs in carrier frequency point position than the make an uproar signal of high 3dB of the end, can judge that this remote termination has been subject to interference, set up taking turn routing table that module 101 sets up and can determine position or the ID of the remote termination being disturbed according to taking turn routing table.

For the interference detecting apparatus of accompanying drawing 1 example, can be used on the remote termination telephone traffic of indoor distributed system fewer or without under the prerequisite of traffic, whether remote termination being interfered and being detected.In order to know the number of remote termination telephone traffic, can in the time of 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 be demodulated at mobile terminal place and its watt level detected) detect,, pseudo-carrier wave, from near-end machine sends, is sent the pseudo-carrier wave receiving by the remote termination of taking turn to the mobile terminal of its community, place.If mobile terminal is received pseudo-carrier signal, this mobile terminal can be to the pilot frequency information of this puppet carrier wave of base station feedback (pilot frequency information of this puppet carrier wave arrives base station by remote termination through near-end machine) under the request of base station, if mobile terminal is not received pseudo-carrier signal, this mobile terminal just can not be to the pilot frequency information of this puppet carrier wave of base station feedback, does not certainly also have pseudo-carrier signal and arrives base station through near-end machine.Therefore,, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, base station requests mobile terminal feeds back the pilot frequency information of pseudo-carrier wave.If do not receive pseudo-carrier signal before mobile terminal, base station is inquired about less than the traffic that comprises this puppet carrier pilot information, prove that now mobile terminal does not establish a connection with base station, do not carry out talk business, near-end machine can judge that now this remote termination is without telephone traffic accordingly; Otherwise, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if receive pseudo-carrier signal before mobile terminal, base station can inquire the traffic that comprises this puppet carrier pilot information, prove that now mobile terminal and base station establish a connection, carrying out talk business, near-end machine can judge that now this remote termination has telephone traffic.With said method, near-end machine can detect the number of remote termination live traffice amount.

At the interference detecting apparatus of accompanying drawing 1 example, detecting the how many pseudo-carrier waves used of remote termination telephone traffic is to be provided by baseband processing unit and the Remote Radio Unit of base station or base station, in the time that taking turn starts, first base station controller sends an inquiry instruction, between inquiry base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, has leisureless carrier channel; This inquiry instruction also arrives remote termination through near-end machine, to have leisureless carrier channel between inquiry near-end machine and remote termination, available free carrier channel between base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, send a pseudo-carrier wave by base station, this puppet carrier wave through near-end machine to remote termination transmission, until may arrive mobile terminal.

If there is no idle carrier channel between base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, detecting the how many pseudo-carrier waves used of remote termination telephone traffic also can be provided by near-end machine self,, 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 as shown in Figure 5, wherein:

Pseudo-carrier wave is set up module 501 for setting up pseudo-carrier wave;

Pseudo-carrier wave sending module 502 is for setting up according to described taking turn routing table the taking turn routing table that module 101 is set up, and pseudo-carrier wave set up to the pseudo-carrier wave that module 501 sets up and be sent to by taking turn remote termination;

Telephone traffic enquiry module 503 for inquire about to base station requests the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount;

As previously mentioned, because pseudo-carrier wave is from near-end machine sends, by the remote termination of taking turn, the pseudo-carrier wave receiving is sent to the mobile terminal of its community, place; If mobile terminal is received pseudo-carrier signal, this mobile terminal can be to the pilot frequency information of this puppet carrier wave of base station feedback (pilot frequency information of this puppet carrier wave arrives base station by remote termination through near-end machine) under the request of base station.Therefore, telephone traffic enquiry module 503 can send to base station a request, receive described in requesting query described pseudo-carrier wave by taking turn remote termination live traffice amount.If do not receive pseudo-carrier signal before mobile terminal, the Query Result of base station is that inquiry is less than the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal does not establish a connection with base station, do not carry out talk business, near-end machine can judge that now this remote termination is without telephone traffic accordingly; Otherwise, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if receive pseudo-carrier signal before mobile terminal, the Query Result of base station is to inquire the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal and base station establish a connection, carrying out talk business, near-end machine can judge that now this remote termination has telephone traffic accordingly.

Under above-mentioned scene, acquisition instructions issue module 102 specifically for know through inquiry at telephone traffic enquiry module 503 the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less after, to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave, , know the less or during without telephone traffic by taking turn remote termination live traffice amount of the described pseudo-carrier wave of described reception at telephone traffic enquiry module 503 through inquiry, acquisition instructions issues module 102 to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave, or, know the more or have after telephone traffic by taking turn remote termination live traffice amount of the described pseudo-carrier wave of described reception at telephone traffic enquiry module 503 through inquiry, after this time taking turn, in the time of upper once taking turn, if knowing, inquiry receives the less or without after telephone traffic by taking turn remote termination live traffice amount of described pseudo-carrier wave, acquisition instructions issues module 102 to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave.

Referring to accompanying drawing 6a, is a kind of interference detection method schematic flow sheet that the embodiment of the present 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 taking turn routing table, and described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system.

Particularly, near-end machine can store the database of remote termination (or far-end unit) in indoor distribution position by inquiry, according to database and in conjunction with the identity recognition number (ID) of each remote termination, set up taking turn routing table, this taking turn routing table has recorded the mapping relations of each remote termination at indoor distribution position and this remote termination ID.

S602, according to the taking turn routing table of described foundation, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data.

First remote termination that near-end machine is determined 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.

Whether S603, receive and be describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination.

Remote termination is received after acquisition instructions, obtains through its receiver and carries out analog-to-digital statistics power, then this statistics performance number is converted to antenna opening, by antenna opening, the received field strength of this remote termination (RSSI or RTWP) is sent to near-end machine; Remote termination also can, by this remote termination idle carrier channel is carried out to spectrum scan, obtain its frequency spectrum data, is then sent to near-end machine by antenna opening.Near-end machine obtains received field strength (RSSI or RTWP) and the frequency spectrum data of this remote termination from antenna opening.

The interference detection method being provided from the accompanying drawing 6a embodiment of the present invention, owing to setting up after taking turn routing table, can according to described taking turn routing table to issued by taking turn remote termination indication described gathered the acquisition instructions of service data and receive by taking turn remote termination describedly whether be interfered to determine by the remote termination of taking turn by the service data of taking turn remote termination.Therefore, compared with the method for the indoor interference of discovery providing with prior art, interference detection method provided by the invention does not need a large amount of artificial collaborative carrying out, need to there is not especially the technician that experience is abundant to participate in yet, not only reduce to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination being disturbed.

Near-end machine receive described by after the service data of taking turn remote termination, can further include the service data receiving is uploaded to OMC so that described OMC determine whether be interfered by the remote termination of taking turn.Particularly, the service data of collection can be uploaded to the server at OMC place.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, analyze it.If by analysis, the frequency spectrum data that the received field strength of knowing the remote termination that near-end machine receives is greater than the remote termination that default received field strength threshold value or near-end machine receive is greater than default frequency spectrum data threshold value, the server at OMC place determines that this remote termination has been subject to interference, can further determine this remote termination and position thereof by the mapping relations of the remote termination ID recording in taking turn routing table and its position.

The analysis of the service data that near-end machine is received also can be undertaken by near-end machine, be that near-end machine reception is described by after the service data of taking turn remote termination, by the service data of the remote termination receiving is analyzed, determine and whether be interfered by the remote termination of taking turn.Particularly, near-end machine can be by the service data of the remote termination receiving and default received field strength threshold value or the comparison of frequency spectrum data threshold value.If the received field strength of the remote termination that the comparative result of service data and default received field strength threshold value or the comparison of frequency spectrum data threshold value receives described in being be greater than described received field strength threshold value or described in the frequency spectrum data of the remote termination that receives be greater than described frequency spectrum data threshold value, can judge that this remote termination has been subject to interference, according to the remote termination ID recording in taking turn routing table and the mapping relations of its position, can determine the remote termination and the position thereof that are disturbed.

If the remote termination by taking turn is interfered, the relevant information of the remote termination being interfered is reported to network management system, for example, position and/or the identity recognition number (ID) of determining the remote termination being interfered are reported to network management system.

The method that above-described embodiment provides, can be used on the remote termination telephone traffic of indoor distributed system fewer or without under the prerequisite of traffic, whether remote termination being interfered and being detected.In order to know the number of remote termination telephone traffic, can in the time of 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 be demodulated at mobile terminal place and its watt level detected) detect,, pseudo-carrier wave, from near-end machine sends, is sent the pseudo-carrier wave receiving by the remote termination of taking turn to the mobile terminal of its community, place.If mobile terminal is received pseudo-carrier signal, this mobile terminal can be to the pilot frequency information of this puppet carrier wave of base station feedback (pilot frequency information of this puppet carrier wave arrives base station by remote termination through near-end machine) under the request of base station, if mobile terminal is not received pseudo-carrier signal, this mobile terminal just can not be to the pilot frequency information of this puppet carrier wave of base station feedback, does not certainly also have pseudo-carrier signal and arrives base station through near-end machine.Therefore, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if do not receive pseudo-carrier signal before mobile terminal, base station is inquired about less than the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal does not establish a connection with base station, do not carry out talk business, near-end machine can judge that now this remote termination is without telephone traffic accordingly; Otherwise, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if receive pseudo-carrier signal before mobile terminal, base station can inquire the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal and base station establish a connection, carrying out talk business, near-end machine can judge that now this remote termination has telephone traffic.With said method, near-end machine can detect the number of remote termination live traffice amount.

In the interference detection method of accompanying drawing 6a example, detecting the how many pseudo-carrier waves used of remote termination telephone traffic is to be provided by baseband processing unit and the Remote Radio Unit of base station or base station, in the time that taking turn starts, first base station controller sends an inquiry instruction, between inquiry base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, has leisureless carrier channel; This inquiry instruction also arrives remote termination through near-end machine, to have leisureless carrier channel between inquiry near-end machine and remote termination, available free carrier channel between base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, send a pseudo-carrier wave by base station, this puppet carrier wave through near-end machine to remote termination transmission, until may arrive mobile terminal.

If there is no idle carrier channel between base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, detecting the how many pseudo-carrier waves used of remote termination telephone traffic also can be provided by near-end machine self,, setting up after taking turn routing table, near-end machine can be set up pseudo-carrier wave, according to the taking turn routing table of described foundation, the pseudo-carrier wave of setting up is sent to by taking turn remote termination.

Near-end machine by set up pseudo-carrier wave be sent to by taking turn remote termination after, to base station requests inquire about the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount.As previously mentioned, because pseudo-carrier wave is from near-end machine sends, by the remote termination of taking turn, the pseudo-carrier wave receiving is sent to the mobile terminal of its community, place; If mobile terminal is received pseudo-carrier signal, this mobile terminal can be to the pilot frequency information of this puppet carrier wave of base station feedback under the request of base station.Therefore, near-end machine, after the pseudo-carrier wave of setting up is sent to by taking turn remote termination, can send to base station a request, receive described in requesting query described pseudo-carrier wave by taking turn remote termination live traffice amount.If do not receive pseudo-carrier signal before mobile terminal, the Query Result of base station is that inquiry is less than the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal does not establish a connection with base station, do not carry out talk business, near-end machine can judge that now this remote termination is without telephone traffic accordingly; Otherwise, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if receive pseudo-carrier signal before mobile terminal, the Query Result of base station is to inquire the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal and base station establish a connection, carrying out talk business, near-end machine can judge that now this remote termination has telephone traffic accordingly.

If through inquiry know the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less, near-end machine is to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave, , knowing the less or during without telephone traffic by taking turn remote termination live traffice amount of the described pseudo-carrier wave of described reception through inquiry, near-end machine is to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave, or, knowing the more or have after telephone traffic by taking turn remote termination live traffice amount of the described pseudo-carrier wave of described reception through inquiry, after this time taking turn of near-end machine, in the time of upper once taking turn, if knowing, inquiry receives the less or without after telephone traffic by taking turn remote termination live traffice amount of described pseudo-carrier wave, again to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave.

Accompanying drawing 1 to the interference detecting apparatus of 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.

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 the different systems such as CDMA, GSM, DCS, PCS, UMTS, LTE and WLAN and different operators.For downstream signal, the same frequency band signals Ke He road input near-end machine of multiple operators, near-end machine by down-conversion and analog-to-digital conversion, forms the digital channel of multiple carrier waves to signal in near-end machine.In like manner, other frequency range also can adopt different He road mode, form the digital channel of multiple carrier wave at numeric field, digital channel can become according to the actual broadband of carrier wave, and all digital carrier passages can be by a logic switch Output matrix to one or more near-end machine delivery outlets.Digital signal can be by certain agreement, and for example, the protocol transmission such as CPRI or OBSAI are to expanding element or remote termination.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 multiple near-end machine cascades.

Expanding element can be realized the more remote termination of access, and as the indoor distributed system of accompanying drawing 6c example, an expanding element can connect multiple remote terminations.Unpack expanding element from the digital signal of near-end machine input, recover carrier channel, expanding element can be supported multiple carrier channels, multiple carrier channels can be realized the interface that carrier wave outputs to subtending port and connects remote termination by a logic switch battle array, digital signal can be by certain agreement, for example, the protocol transmission such as CPRI or OBSAI is to remote termination.

Remote termination is realized the digital signal of multiple operators is upconverted to RF signal, and is radiated indoor from antenna opening.For upward signal, the same frequency range of multiple operators or the mobile phone signal of different frequency range enter the receive path of remote termination by antenna-coupled, signal, by down-conversion and analog-to-digital conversion, is formed to the digital channel of multiple carrier waves in remote termination.Digital signal can be by certain agreement, and for example, the 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, the functions such as spectrum scan.

The same carrier wave of multiple remote terminations superposes in expanding element or near-end machine, the same carrier signal of the upward signal of multiple expanding elements is carried out overlap-add procedure in near-end machine, for example, be coupled to base station by Digital Up Convert, digital-to-analogue conversion, simulation up-conversion with after amplifying by coupler.

Accompanying drawing 6d is the indoor distributed system that the embodiment of the present invention provides, and it comprises near-end machine 61 and at least one remote termination 62, wherein:

Remote termination 62, gathers the acquisition instructions of service data and returns to service data to near-end machine 61 for receiving being used to indicate that near-end machine 61 issues, and described service data comprises received field strength and the frequency spectrum data of remote termination 62.Remote termination 62 also can comprise identity recognition number memory cell 621, for storing the identity recognition number (No. ID) of remote termination.

Near-end machine 61 comprises that taking turn routing table is set up module 611, acquisition instructions issues module 612 and data reception module 613, wherein:

Taking turn routing table is set up module 611 for setting up taking turn routing table, acquisition instructions issues module 612 for set up the taking turn routing table that module 611 is set up according to taking turn routing table, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data.Taking turn routing table is set up taking turn routing table that module 611 sets up for the remote termination of indoor distributed system is carried out to taking turn.Whether data reception module 613 is describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination for receiving.

Particularly, taking turn routing table is set up module 611 can store the location database of remote termination (or far-end unit) in indoor distribution position by inquiry, according to location database and in conjunction with the identity recognition number (ID) of each remote termination, set up the mapping table being made up of in the mapping relations of indoor distribution position and this remote termination ID each remote termination, this mapping table can be considered as taking turn routing table.Acquisition instructions issues module 612 and sets up according to taking turn routing table first definite remote termination of taking turn routing table that module 611 is set up, and this remote termination is issued to the described acquisition instructions that is gathered service data by taking turn remote termination of indication, and this is the beginning of taking turn.This remote termination gets after its receiver carries out analog-to-digital statistics power, then this statistics performance number is converted to antenna opening, by antenna opening, the received field strength of this remote termination (RSSI or RTWP) is sent to near-end machine; Remote termination also can, by this remote termination idle carrier channel is carried out to spectrum scan, obtain its frequency spectrum data, is then sent to near-end machine by antenna opening.The data reception module 613 of near-end machine obtains received field strength (RSSI or RTWP) and the frequency spectrum data of this remote termination from antenna opening.

It should be noted that, in the execution mode of above indoor distributed system, the division of each functional module only illustrates, can be as required in practical application, the facility of the configuration requirement of for example corresponding hardware or the realization of software is considered, completed by different functional modules and above-mentioned functions is distributed, be divided into different functional modules by the internal structure of described indoor distributed system, to complete all or part of function described above.And, in practical application, corresponding functional module in the present embodiment can be to be realized by corresponding hardware, also can be completed by the corresponding software of corresponding hardware implement, for example, aforesaid acquisition instructions issues module, can be to have to carry out the aforementioned taking turn routing table of setting up module (or taking turn routing table builder) foundation according to described taking turn routing table, to issued the described hardware that is gathered the acquisition instructions of service data by taking turn remote termination of indication by taking turn remote termination, for example hair device under acquisition instructions, thereby can be also general processor or other hardware devices that can carry out corresponding computer program and complete aforementioned function, for another example aforesaid data reception module, can be that to have the aforementioned reception of execution described described by whether the be interfered hardware of function of taking turn remote termination to determine by the service data of taking turn remote termination, for example data sink, thus can be also general processor or other hardware devices (each embodiment that this specification provides can apply foregoing description principle) that can carry out corresponding computer program and complete aforementioned function.

The indoor distributed system being provided from the embodiment of the present invention shown in accompanying drawing 6a, because the taking turn routing table at near-end machine is set up module and is set up after taking turn routing table, the acquisition instructions of near-end machine issues module can be according to described taking turn routing table to issued the described acquisition instructions that is gathered service data by taking turn remote termination of indication by taking turn remote termination, and whether the data reception module reception of near-end machine is described is interfered to determine by the remote termination of taking turn by the service data of taking turn remote termination.Therefore, compared with the method for the indoor interference of discovery providing with prior art, indoor distributed system provided by the invention does not need a large amount of artificial collaborative carrying out, need to there is not especially the technician that experience is abundant to participate in yet, not only reduce to disturb the quantities of investigation and the input of human cost, and can promptly locate the remote termination being 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 as shown in Figure 7.Data upload module 701 is connected with data reception module 613, be uploaded to operation management center (Operating Management Center, OMC) so that operation management center determines describedly whether be interfered by the remote termination of taking turn for the service data by taking turn remote termination that data reception module 613 is received.Particularly, the service data by taking turn remote termination that data upload module 701 can receive data reception module 613 is uploaded to the server at OMC place.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, analyze it.If by analysis, the frequency spectrum data that the received field strength of knowing the remote termination that data reception module 613 receives is greater than the remote termination that default received field strength threshold value or data reception module 613 receive is greater than default frequency spectrum data threshold value, determine that this remote termination has been subject to interference, can further determine this remote termination and position thereof by the mapping relations of remote termination ID and its position in taking turn routing table.

The analysis of the service data that data reception 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 as shown in Figure 8, it can further comprise the interference determination module 801 being connected with data reception module 613 and the reporting module 802 being connected with interference determination module 801 on the near-end machine 61 of accompanying drawing 7 examples.

Disturb determination module 801 for analyzing by the service data by taking turn remote termination that data reception module 613 is received, determine describedly whether be interfered by the remote termination of taking turn, and reporting module 802 is for disturbing determination module 801 to determine that the relevant information of the remote termination being interfered reports to network management system, for example, position and/or the identity recognition number (ID) of determining the remote termination being interfered are reported to network management system.

The interference determination module 801 of accompanying drawing 8 examples can further include comparing unit 901 and remote termination determining unit 902, the indoor distributed system that another embodiment of the present invention provides as shown in Figure 9, wherein:

Comparing unit 901 is for service data that data reception module 613 is received and default received field strength threshold value or the comparison of frequency spectrum data threshold value, if the received field strength that remote termination determining unit 802 is the remote termination that receives for the comparative result of comparing unit 801 is greater than default received field strength threshold value or the frequency spectrum data of the remote termination that receives is greater than default frequency spectrum data threshold value, sets up according to taking turn routing table the taking turn routing table that module 611 sets up and determine the remote termination being disturbed.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, or, the frequency spectrum data of the remote termination that data reception module 613 receives occurs in carrier frequency point position than the make an uproar signal of high 3dB of the end, can judge that this remote termination has been subject to interference, set up taking turn routing table that module 611 sets up and can determine position or the ID of the remote termination being disturbed according to taking turn routing table.

Indoor distributed system for accompanying drawing 6d to accompanying drawing 9 examples, can be used on the remote termination telephone traffic of indoor distributed system fewer or without under the prerequisite of traffic, whether remote termination being interfered and being detected.In order to know the number of remote termination telephone traffic, can in the time of near-end machine 61 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 be demodulated at mobile terminal place and its watt level detected) detect,, pseudo-carrier wave, from near-end machine sends, is sent the pseudo-carrier wave receiving by the remote termination of taking turn to the mobile terminal of its community, place.If mobile terminal is received pseudo-carrier signal, this mobile terminal can be to the pilot frequency information of this puppet carrier wave of base station feedback (pilot frequency information of this puppet carrier wave arrives base station by remote termination through near-end machine) under the request of base station, if mobile terminal is not received pseudo-carrier signal, this mobile terminal just can not be to the pilot frequency information of this puppet carrier wave of base station feedback, does not certainly also have pseudo-carrier signal and arrives base station through near-end machine.Therefore, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if do not receive pseudo-carrier signal before mobile terminal, base station is inquired about less than the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal does not establish a connection with base station, do not carry out talk business, near-end machine can judge that now this remote termination is without telephone traffic accordingly; Otherwise, in the time that near-end machine is inquired about the telephone traffic of community, near-end machine place to base station requests, if receive pseudo-carrier signal before mobile terminal, base station can inquire the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal and base station establish a connection, carrying out talk business, near-end machine can judge that now this remote termination has telephone traffic.With said method, near-end machine can detect the number of remote termination live traffice amount.

In the lab analysis system of accompanying drawing 6d example, detecting the how many pseudo-carrier waves used of remote termination telephone traffic is to be provided by baseband processing unit and the Remote Radio Unit of base station or base station, in the time that taking turn starts, first base station controller sends an inquiry instruction, between inquiry base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, has leisureless carrier channel; This inquiry instruction also arrives remote termination through near-end machine, to have leisureless carrier channel between inquiry near-end machine and remote termination, available free carrier channel between base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, send a pseudo-carrier wave by base station, this puppet carrier wave through near-end machine to remote termination transmission, until may arrive mobile terminal.

If there is no idle carrier channel between base station (or the baseband processing unit of base station and Remote Radio Unit) and the near-end machine of indoor distributed system, detecting the how many pseudo-carrier waves used of remote termination telephone traffic also can self be provided by near-end machine 61,, 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 as shown in Figure 10, wherein:

Pseudo-carrier wave is set up module 1001 for setting up pseudo-carrier wave;

Pseudo-carrier wave sending module 1002 is for setting up according to described taking turn routing table the taking turn routing table that module 101 is set up, and pseudo-carrier wave set up to the pseudo-carrier wave that module 1001 sets up and be sent to by taking turn remote termination;

Telephone traffic enquiry module 1003 for inquire about to base station requests the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount;

As previously mentioned, because pseudo-carrier wave is from near-end machine sends, by the remote termination of taking turn, the pseudo-carrier wave receiving is sent to the mobile terminal of its community, place; If mobile terminal is received pseudo-carrier signal, this mobile terminal can be to the pilot frequency information of this puppet carrier wave of base station feedback (pilot frequency information of this puppet carrier wave arrives base station by remote termination through near-end machine).Therefore, telephone traffic enquiry module 1003 can send to base station a request, receive described in requesting query described pseudo-carrier wave by taking turn remote termination live traffice amount.If do not receive pseudo-carrier signal before mobile terminal, the Query Result of base station is that inquiry is less than the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal does not establish a connection with base station, do not carry out talk business, near-end machine 61 can judge that now this remote termination is without telephone traffic accordingly; Otherwise, in the time that telephone traffic enquiry module 1003 is inquired about the telephone traffic of near-end machine 61 communities, place to base station requests, if receive pseudo-carrier signal before mobile terminal, the Query Result of base station is to inquire the traffic that comprises pseudo-carrier pilot information, prove that now mobile terminal and remote termination establish a connection, carrying out talk business, near-end machine 61 can judge that now this remote termination has telephone traffic accordingly.

Under above-mentioned scene, acquisition instructions issue module 612 specifically for know through inquiry at telephone traffic enquiry module 1003 the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less after, to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave,, know the less or during without telephone traffic by taking turn remote termination live traffice amount of the described pseudo-carrier wave of described reception at telephone traffic enquiry module 1003 through inquiry, acquisition instructions issues module 612 to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave, or, know the more or have after telephone traffic by taking turn remote termination live traffice amount of the described pseudo-carrier wave of described reception at telephone traffic enquiry module 1003 through inquiry, after this time taking turn, in the time of upper once taking turn, if knowing, inquiry receives the less or without after telephone traffic by taking turn remote termination live traffice amount of described pseudo-carrier wave, acquisition instructions issues module 612 to the acquisition instructions that is issued indication collection service data by taking turn remote termination that receives described pseudo-carrier wave.

The indoor distributed system of accompanying drawing 6d example, its pseudo-carrier wave using can be provided by the baseband processing unit of base station, base station or base station and Remote Radio Unit, the indoor distributed system that another embodiment of the present invention provides as shown in Figure 11.Wherein, to base station 64, (or the baseband processing unit of base station and Remote Radio Unit) issues the instruction of setting up pseudo-carrier wave to base station controller 63.Base station 64 receiving after this instruction, detects between itself and near-end machine 61 whether have idle carrier channel, if exist, produces a pseudo-carrier wave to near-end machine 61 by its pseudo-carrier generator.

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 as shown in Figure 12.Expanding element 1201 is connected with near-end machine 61 and remote termination 62, for carrier wave being exported to subtending port and described remote termination 62.

It should be noted that, the content such as information interaction, implementation between the each module/unit of said apparatus, due to the inventive method embodiment based on same design, its technique effect bringing is identical with the inventive method embodiment, particular content can, referring to the narration in the inventive method embodiment, repeat no more herein.

One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is can carry out the hardware that instruction is relevant by program to complete, such as following the whole bag of tricks one or more or all:

Set up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

According to the taking turn routing table of described foundation, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Receive and describedly describedly whether be interfered by taking turn remote termination to determine by the service data of 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 above-described embodiment is can carry out the hardware that instruction is relevant by program to complete, this program can be stored in a 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.

A kind of interference detecting apparatus, method and the indoor distributed system that above the embodiment of the present invention are provided are described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.

Claims (12)

1. an interference detecting apparatus, is characterized in that, described device comprises that taking turn routing table is set up module, acquisition instructions issues module and data reception module;

Described taking turn routing table is set up module, and for setting up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

Described acquisition instructions issues module, for set up the taking turn routing table that module is set up according to described taking turn routing table, to issued the described acquisition instructions that is gathered service data by taking turn remote termination of indication by taking turn remote termination, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Whether described data reception module, be describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination for receiving.

2. device as claimed in claim 1, is characterized in that, described device also comprises the data upload module being connected with described data reception module;

Described data upload module, is uploaded to operation management center so that described operation management center is determined whether is interfered by taking turn remote termination for the service data that described data reception module is received.

3. device as claimed in claim 1, is characterized in that, described device also comprises the interference determination module being connected with described data reception module and the reporting module being connected with described interference determination module;

Whether described interference determination module, for analyzing by the service data that described data reception module is received, determine and be interfered by taking turn remote termination;

Described reporting module, for determining described interference determination module the relevant information of the remote termination being interfered reports to network management system.

4. device as claimed in claim 3, is characterized in that, described interference determination module comprises comparing unit and remote termination determining unit;

Described comparing unit, for service data that described data reception module is received and default received field strength threshold value or the comparison of frequency spectrum data threshold value;

Described remote termination determining unit, if the received field strength of the remote termination receiving described in for the comparative result of described comparing unit being be greater than described received field strength threshold value or described in the frequency spectrum data of the remote termination that receives be greater than described frequency spectrum data threshold value, set up according to described taking turn routing table the taking turn routing table that module sets up and determine the remote termination being disturbed.

5. device as claimed in claim 1, is characterized in that, described device also comprises:

Pseudo-carrier wave is set up module, for setting up pseudo-carrier wave;

Pseudo-carrier wave sending module, the taking turn routing table of setting up for set up module according to described taking turn routing table, is sent to described pseudo-carrier wave by taking turn remote termination;

Telephone traffic enquiry module, for inquire about to base station requests the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount;

Described acquisition instructions issue module specifically for know through inquiry at described telephone traffic enquiry module the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less after, to the acquisition instructions that is issued indication by taking turn remote termination and gather service data that receives described pseudo-carrier wave.

6. an interference detection method, is characterized in that, described method comprises:

Set up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

According to the taking turn routing table of described foundation, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Receive and describedly describedly whether be interfered by taking turn remote termination to determine by the service data of taking turn remote termination.

7. method as claimed in claim 6, is characterized in that, described reception is described also to be comprised by after the service data of taking turn remote termination:

The service data of described reception is uploaded to operation management center so that described operation management center determines describedly whether be interfered by taking turn remote termination.

8. method as claimed in claim 6, is characterized in that, described reception is described also to be comprised by after the service data of taking turn remote termination:

Analyze by the service data to described reception, determine and whether be interfered by taking turn remote termination;

Be interfered by taking turn remote termination if described, the relevant information of the described remote termination being interfered reported to network management system.

9. whether method as claimed in claim 8, is characterized in that, describedly analyzes by the service data to described reception, determine and be interfered and comprise by taking turn remote termination:

By the service data of described reception and default received field strength threshold value or the comparison of frequency spectrum data threshold value;

If the received field strength of the remote termination that the comparative result of described comparison receives described in being be greater than described received field strength threshold value or described in the frequency spectrum data of the remote termination that receives be greater than described frequency spectrum data threshold value, determine according to described taking turn routing table the remote termination being disturbed.

10. method as claimed in claim 6, is characterized in that, the described taking turn routing table of setting up also comprises afterwards:

Set up pseudo-carrier wave;

According to described taking turn routing table, described pseudo-carrier wave is sent to by taking turn remote termination;

To base station requests inquire about the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount;

Described according to the taking turn routing table of described foundation, comprised by the acquisition instructions of taking turn remote termination collection service data to issued indication by taking turn remote termination:

Know through inquiry the described pseudo-carrier wave of described reception by taking turn remote termination live traffice amount less or follow-up during again by taking turn telephone traffic less after, to the acquisition instructions that is issued indication by taking turn remote termination and gather service data that receives described pseudo-carrier wave.

11. 1 kinds of indoor distributed systems, comprise near-end machine and at least one remote termination, it is characterized in that, described remote termination, gather the acquisition instructions of service data and return to service data to described near-end machine for receiving being used to indicate that described near-end machine issues, described service data comprises received field strength and the frequency spectrum data of described remote termination;

Described near-end machine comprises that taking turn routing table is set up module, acquisition instructions issues module and data reception module;

Described taking turn routing table is set up module, and for setting up taking turn routing table, described taking turn routing table is for carrying out taking turn to the remote termination of indoor distributed system;

Described acquisition instructions issues module, for set up the taking turn routing table that module is set up according to described taking turn routing table, to being issued indication by taking turn remote termination by the acquisition instructions of taking turn remote termination collection service data, described service data comprises described by the received field strength of taking turn remote termination and frequency spectrum data;

Whether described data reception module, be describedly describedly interfered by taking turn remote termination to determine by the service data of taking turn remote termination for receiving.

12. indoor distributed systems as claimed in claim 11, is characterized in that, described indoor distributed system also comprises the expanding element being connected with described near-end machine and remote termination;

Described expanding element, for exporting carrier wave to subtending port and described remote termination.

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