CN101175086A - Method and system for far-end radio frequency unit acquiring IP address - Google Patents
Method and system for far-end radio frequency unit acquiring IP address Download PDFInfo
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- CN101175086A CN101175086A CNA2007101778640A CN200710177864A CN101175086A CN 101175086 A CN101175086 A CN 101175086A CN A2007101778640 A CNA2007101778640 A CN A2007101778640A CN 200710177864 A CN200710177864 A CN 200710177864A CN 101175086 A CN101175086 A CN 101175086A
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Abstract
The invention discloses a method and a system of remote radio unit for acquiring IP address, which comprises: step 1, a remote radio unit acquires ID thereof, organizes BOOTP request packet with the remote radio unit, and sends TOOTP protocol request message to baseband pool through physical channel; step 2, the baseband pool analyzes out an optical fiber number and the index number on the optical fiber of the remote radio unit, the IP address of the remote radio unit is obtained according to the rules get by a user; step 3, the baseband pool sends physical allocation information with IP address to the remote radio unit through the physical channel after distributing the physical allocation information to the remote radio unit; step 4, the remote radio unit analyzes the data packet containing the physical allocation information with IP address, isolates the IP address, and sets allocation information with IP address of the remote radio unit.
Description
Technical field
The present invention relates to the field of communication between remote radio unit (RRU) in the TD-SCDMA system (RRU) and the baseband pool (BBU), particularly a kind of RRU obtains the method and system of IP address.
Background technology
The BBU system is based on the TD-SCDMA system product of the thought of baseband pool.Baseband pool thought is split as BBU and RRU two parts with traditional base station (Node B) system, and base band, transmission and control section are in BBU, and intermediate frequency, radio frequency part are in RRU, and wherein BBU is connected by optical fiber with RRU.How at different medium transmitting datas, for the upper-layer user, require without any difference.RRU need set up the TCP/UDP communication link of standard with BBU end, and the application that this just needs BBU to support the upper strata for physical configuration information such as RRU dynamic assignment IP address safeguards the comparison confusion otherwise RRU is too many.But dynamic IP addressing request correlation technique only is applicable to Ethernet at present, and is not suitable for the physical network that other physical connections are formed.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method and system of far-end radio frequency unit acquiring IP address are provided, and having solved by physical channel BBU is the problem of resource distributions such as RRU dynamic assignment IP address, prevents the conflict of configuration informations such as IP address.
For achieving the above object, the method for far-end radio frequency unit acquiring IP address provided by the invention is applied to comprise the system of remote radio unit (RRU) and baseband pool, and this method comprises:
After step 2, described baseband pool are received described BOOTP agreement request message, parse the optical fiber number at this remote radio unit (RRU) place and the call number on this optical fiber, and according to the user the fixed rule IP address that draws described remote radio unit (RRU);
Step 3, described baseband pool are after described remote radio unit (RRU) is distributed the physical configuration information that has the IP address, to return to described remote radio unit (RRU) by described physical channel;
Step 4, described remote radio unit (RRU) is resolved the packet of the physical configuration information that has the IP address, isolates the IP address, and the configuration information that comprises self IP address is set.
The method of said distal ends radio frequency unit acquiring IP address, in the described step 1, described remote radio unit (RRU) ID obtains by local configuration, and this remote radio unit (RRU) ID value derives from hardware or the setting of field programmable gate array algorithm.
The method of said distal ends radio frequency unit acquiring IP address, described baseband pool are to parse the optical fiber number at this remote radio unit (RRU) place and the call number on this optical fiber according to the physical message field in the described BOOTP agreement request message.
The method of said distal ends radio frequency unit acquiring IP address, the distribution principle of described IP address comprises the information that can locate described remote radio unit (RRU) place physical location.
The method of said distal ends radio frequency unit acquiring IP address, in the described step 3, described baseband pool is given described remote radio unit (RRU) by MAC bag or the described physical configuration information that has the IP address of UDP packet mode passback.
The method of said distal ends radio frequency unit acquiring IP address, described MAC bag or described UDP bag all comprise: clean culture, multicast or broadcast packet.
The method of said distal ends radio frequency unit acquiring IP address, described step 4 further comprises:
Step 42, described upper-layer protocol stack is resolved the broadcast packet of receiving, isolates the IP address, and the configuration information comprise self IP address is set;
Step 43, after the success of IP address setting, upper layer application is set up the TCP/UDP link of standard according to the IP address of applying for.
The method of said distal ends radio frequency unit acquiring IP address, further comprise in the described step 42: physical message field that the just described upper-layer protocol stack of described remote radio unit (RRU) is brought when parsing the baseband pool transmission and the physical message of self compare, judge whether this broadcast packet is the response of this remote radio unit (RRU) oneself, if, this broadcast packet is proceeded to resolve, isolate the IP address, otherwise, parsing stopped to this broadcast packet.
Further, the present invention also provides a kind of system that uses the method for said distal ends radio frequency unit acquiring IP address, comprise remote radio unit (RRU) and baseband pool, described remote radio unit (RRU) obtains self ID by this locality configuration, tissue has the BOOTP request package of this remote radio unit (RRU) id information, and send BOOTP agreement request message to described baseband pool by the physical channel, after described baseband pool is received request message, parse the IP address of described remote radio unit (RRU), and after distributing the physical configuration information that comprises described IP address for this remote radio unit (RRU), mode by Mac bag or UDP bag returns to described remote radio unit (RRU), after the IP address is isolated in described remote radio unit (RRU) reception broadcast packet and parsing, the configuration information that comprises the IP address of described remote radio unit (RRU) is set, and upper layer application is set up the TCP/UDP link of standard according to the IP address of applying for.
Said system, described remote radio unit (RRU) comprises that also one compares judge module, be used for when sending by more described baseband pool with the physical message field and the physical message of described remote radio unit (RRU) self, judge whether it is the BOOTP response of this remote radio unit (RRU), if, then the broadcast packet of receiving is proceeded to resolve, isolate the IP address, otherwise stop parsing this broadcast packet.
Compared with prior art, the present invention according to self physical message, by BOOTP (Bootstrap Protocol, BOOT strapping Protocol) request, to configuration informations such as BBU application IP addresses, is set up communication link to the upper strata support is provided by RRU by the physical channel.Can solve BBU and be the problem of resource distributions such as RRU dynamic assignment IP address, prevent the conflict of configuration informations such as IP address, and be convenient to safeguard, not need to remember the configurations such as self IP address of each RRU.RRU directly is articulated on the BBU by physical circuit, by carrying out work by application configuration information behind the configuration informations such as dynamic application IP address.When going wrong, RRU knows very easily that by the dynamic assignment principle which RRU goes wrong, and has reduced attendant and site operation personnel's workload in the BBU side.
Description of drawings
Fig. 1 is the method flow diagram of far-end radio frequency unit acquiring IP address of the present invention;
Fig. 2 is the system diagram of far-end radio frequency unit acquiring IP address of the present invention;
Fig. 3 is a protocol stack structure schematic diagram among the present invention;
Fig. 4 is a data frame stream schematic diagram among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention being described in detail, with purpose, scheme and the effect of further understanding the present invention, but is not as the restriction to claims protection range of the present invention.
In the method for far-end radio frequency unit acquiring IP address provided by the invention, the BBU energising starts the task of guarding of BOOTP, the UDP message of listening port numbers 67, when receiving the BOOTP request message of RRU, message is resolved, be physical configuration information such as its distributing IP address, and send bootp response.The RRU side is monitored 68 ports and is received and treatments B OOTP response message.
Below with reference to Fig. 1, further specify the realization flow of the inventive method:
Step S10:RRU obtains self RRU ID, and tissue has the BOOTP request package of RRU id information then, and sends the BOOTP agreement request message of standard to BBU by the physical channel.This RRUID can obtain by local configuration.RRU ID value derives from hardware or FPGA (Field-ProgrammableGate Array, field programmable gate array) algorithm setting.
After step S20:BBU side is received request message, parse the call number (being which RRU on which number optical fiber) of RRU on the optical fiber number at RRU place and the optical fiber according to the physical message field in the BOOTP request message, then according to the user the fixed rule IP address that draws this RRU.The distribution principle of IP address need comprise the information that can locate RRU place physical location.
Step S30:BBU is after RRU is distributed physical configuration information such as IP address, adopts the mode of Mac bag (clean culture, multicast or broadcasting) or UDP (clean culture, multicast or broadcasting) bag to return to RRU by the physical channel.
Step S40:RRU side is intercepted all bags on the link, and broadcast packet is then received and handles toward the transmission of upper-layer protocol stack, and the upper-layer protocol stack is resolved the broadcast packet of receiving.When the BBU side is sent compare with physical message field of getting off and the physical message of self, judge whether the response of oneself.If then the bag of receiving is proceeded to resolve, isolate configurations such as IP address, configuration informations such as its own IP address are set then.After the success of IP address setting, RRU no longer handles broadcast packet.Upper layer application can be set up the TCP/UDP link of standard according to the IP address of applying for.
Below in conjunction with Fig. 3 and Fig. 4, further specify the data frame stream of protocol stack structure and message in the said method.
Fig. 3 shows the concrete structure of protocol stack, and in above-mentioned steps S10, the Bootp message of RRU side has at first encapsulated the UDP header message through protocol stack shown in Figure 3 on the Bootp message, comprise source port number and destination slogan etc.Be sent to down one deck IP layer then and handle, encapsulation IP header message comprises purpose IP address (the IP address of BBU) and source IP address (writing complete 0 owing to unallocated) etc.By physical link layer encapsulation physics isl frame head, obtain message as shown in Figure 4 at last, the Bootp message after the encapsulation comprises: physical link frame head, IP head, UDP head and Bootp packet send to the BBU side by the physical channel then.
In above-mentioned steps S20, after the BBU side is received packet,, obtain Bootp message as shown in Figure 4 through protocol stack reverse process as shown in Figure 3.
In above-mentioned steps S30, the task of guarding of BBU begins to resolve corresponding message, and configuration information such as distributing IP address, and the processing by protocol stack sends it back required RRU side again.The RRU side obtains the reverse process of also passing through protocol stack behind the message, obtains Bootp and responds.
With reference to figure 2, be the system diagram of far-end radio frequency unit acquiring IP address of the present invention; With reference to figure 2, RRU40 obtains self RRU ID by this locality configuration, and tissue has the BOOTP request package of RRU id information then, sends the BOOTP agreement request message of standard to BBU41; After the BBU41 side is received request message, parse call number on RRU40 place optical fiber number and the optical fiber according to the physical message field in the BOOTP request message, then according to the user the fixed rule IP address that draws this RRU40, BBU41 is after RRU40 is distributed physical configuration information such as IP address, by Mac (clean culture, multicast or broadcasting) bag or UDP (clean culture, multicast or broadcasting) bag mode return to RRU40, RRU40 side frame is listened all bags on the link, broadcast packet is then accepted also to send toward upper-layer protocol stack 401 to handle, the upper-layer protocol stack is resolved the broadcast packet of receiving, when relatively judge module 402 sends the BBU41 side by one with the physical message field and the physical message of self compare, judge whether it is the BOOTP response of oneself, if, then the broadcast packet of receiving is proceeded to resolve, isolate configurations such as IP address, configuration informations such as its own IP address are set then, and after the success of IP address setting, RRU40 no longer handles broadcast packet.Upper layer application can be set up the TCP/UDP link of standard according to the IP address of applying for.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for a far-end radio frequency unit acquiring IP address is applied to comprise the system of remote radio unit (RRU) and baseband pool it is characterized in that this method comprises:
Step 1, remote radio unit (RRU) obtains self ID, and organizes the BOOTP request package that has this remote radio unit (RRU) id information, sends BOOTP agreement request message by the physical channel to baseband pool;
After step 2, described baseband pool are received described BOOTP agreement request message, parse the optical fiber number at this remote radio unit (RRU) place and the call number on this optical fiber, and according to the user the fixed rule IP address that draws described remote radio unit (RRU);
Step 3, described baseband pool are after described remote radio unit (RRU) is distributed the physical configuration information that has the IP address, to return to described remote radio unit (RRU) by described physical channel;
Step 4, described remote radio unit (RRU) is resolved the packet of the physical configuration information that has the IP address, isolates the IP address, and the configuration information that comprises self IP address is set.
2. the method for far-end radio frequency unit acquiring IP address according to claim 1, it is characterized in that, in the described step 1, described remote radio unit (RRU) ID obtains by local configuration, and this remote radio unit (RRU) ID value derives from hardware or the setting of field programmable gate array algorithm.
3. the method for far-end radio frequency unit acquiring IP address according to claim 1, it is characterized in that described baseband pool is to parse the optical fiber number at this remote radio unit (RRU) place and the call number on this optical fiber according to the physical message field in the described BOOTP agreement request message.
4. the method for far-end radio frequency unit acquiring IP address according to claim 1 is characterized in that, the distribution principle of described IP address comprises the information that can locate described remote radio unit (RRU) place physical location.
5. the method for far-end radio frequency unit acquiring IP address according to claim 1 is characterized in that, in the described step 3, described baseband pool is given described remote radio unit (RRU) by MAC bag or the described physical configuration information that has the IP address of UDP packet mode passback.
6. the method for far-end radio frequency unit acquiring IP address according to claim 5 is characterized in that, described MAC bag or described UDP bag all comprise: clean culture, multicast or broadcast packet.
7. the method for far-end radio frequency unit acquiring IP address according to claim 1 is characterized in that, described step 4 further comprises:
Step 41, described remote radio unit (RRU) are intercepted all bags on the link, receive broadcast packet and send to the upper-layer protocol stack to handle;
Step 42, described upper-layer protocol stack is resolved the broadcast packet of receiving, isolates the IP address, and the configuration information comprise self IP address is set;
Step 43, after the success of IP address setting, upper layer application is set up the TCP/UDP link of standard according to the IP address of applying for.
8. the method for far-end radio frequency unit acquiring IP address according to claim 7, it is characterized in that, further comprise in the described step 42: physical message field that described remote radio unit (RRU) is brought when described upper-layer protocol stack is parsed the baseband pool transmission and the physical message of self compare, judge whether this broadcast packet is the response of this remote radio unit (RRU) oneself, if, this broadcast packet is proceeded to resolve, isolate the IP address, otherwise, stop parsing to this broadcast packet.
9. system that uses the method for each described far-end radio frequency unit acquiring IP address in the aforesaid right requirement 1～8, comprise remote radio unit (RRU) and baseband pool, it is characterized in that, described remote radio unit (RRU) obtains self ID by this locality configuration, tissue has the BOOTP request package of this remote radio unit (RRU) id information, and send BOOTP agreement request message to described baseband pool by the physical channel, after described baseband pool is received request message, parse the IP address of described remote radio unit (RRU), and after distributing the physical configuration information that comprises described IP address for this remote radio unit (RRU), mode by Mac bag or UDP bag returns to described remote radio unit (RRU), after the IP address is isolated in described remote radio unit (RRU) reception broadcast packet and parsing, the configuration information that comprises the IP address of described remote radio unit (RRU) is set, and upper layer application is set up the TCP/UDP link of standard according to the IP address of applying for.
10. system according to claim 9, it is characterized in that, described remote radio unit (RRU) comprises that also one compares judge module, be used for when sending by more described baseband pool with the physical message field and the physical message of described remote radio unit (RRU) self, judge whether it is the BOOTP response of this remote radio unit (RRU), if then the broadcast packet of receiving is proceeded to resolve, isolate the IP address, otherwise stop parsing this broadcast packet.
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| CN2007101778640A CN101175086B (en) | 2007-11-21 | 2007-11-21 | Method and system for far-end radio frequency unit acquiring IP address |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102612166A (en) * | 2011-01-21 | 2012-07-25 | 华为技术有限公司 | Data processing method, base station system and associated equipment |
| CN101707636B (en) * | 2009-11-20 | 2013-10-16 | 中兴通讯股份有限公司 | IP address allocation method and device for single board of BBU of base station |
| WO2014032629A1 (en) * | 2012-09-03 | 2014-03-06 | 中兴通讯股份有限公司 | Method, system and device for automatically configuring remote radio unit |
| CN103647854A (en) * | 2013-12-18 | 2014-03-19 | 大唐移动通信设备有限公司 | Method and device for internet protocol (IP) address configuration |
| CN102355659B (en) * | 2011-06-17 | 2017-09-19 | 中兴通讯股份有限公司 | The processing method and system that Remote Radio Unit starts |
| CN108882251A (en) * | 2018-06-12 | 2018-11-23 | 京信通信***（中国）有限公司 | Distributed Femto base station networking system |
| CN110012459A (en) * | 2019-04-16 | 2019-07-12 | 深圳凡维泰科技服务有限公司 | Address distribution method and address allocation system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1360821B1 (en) * | 2001-02-13 | 2008-04-23 | Nokia Siemens Networks Gmbh & Co. Kg | Method and array for determining internet protocol addresses of a terminal array |
| CN101022640A (en) * | 2007-03-28 | 2007-08-22 | 中兴通讯股份有限公司 | Far-end radio-frequency unit initialization allocation method based on BOOTP protocol |
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- 2007-11-21 CN CN2007101778640A patent/CN101175086B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707636B (en) * | 2009-11-20 | 2013-10-16 | 中兴通讯股份有限公司 | IP address allocation method and device for single board of BBU of base station |
| CN102612166A (en) * | 2011-01-21 | 2012-07-25 | 华为技术有限公司 | Data processing method, base station system and associated equipment |
| CN102355659B (en) * | 2011-06-17 | 2017-09-19 | 中兴通讯股份有限公司 | The processing method and system that Remote Radio Unit starts |
| WO2014032629A1 (en) * | 2012-09-03 | 2014-03-06 | 中兴通讯股份有限公司 | Method, system and device for automatically configuring remote radio unit |
| CN103687088A (en) * | 2012-09-03 | 2014-03-26 | 中兴通讯股份有限公司 | Automatic configuring method, system and device for RRU (Remote Radio Unit) |
| CN103647854A (en) * | 2013-12-18 | 2014-03-19 | 大唐移动通信设备有限公司 | Method and device for internet protocol (IP) address configuration |
| CN108882251A (en) * | 2018-06-12 | 2018-11-23 | 京信通信***（中国）有限公司 | Distributed Femto base station networking system |
| CN110012459A (en) * | 2019-04-16 | 2019-07-12 | 深圳凡维泰科技服务有限公司 | Address distribution method and address allocation system |
| CN110012459B (en) * | 2019-04-16 | 2021-10-01 | 深圳凡维泰科技服务有限公司 | Address allocation method and address allocation system |
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| CN101175086B (en) | 2011-01-05 |
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