CN101754481A - Method and system for controlling running mode switching of multimode wireless device - Google Patents
Method and system for controlling running mode switching of multimode wireless device Download PDFInfo
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- CN101754481A CN101754481A CN200810218395A CN200810218395A CN101754481A CN 101754481 A CN101754481 A CN 101754481A CN 200810218395 A CN200810218395 A CN 200810218395A CN 200810218395 A CN200810218395 A CN 200810218395A CN 101754481 A CN101754481 A CN 101754481A
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Abstract
The invention is suitable for the distributed base station field and provides a method and a system for controlling the running mode switching of a multimode wireless device. The method comprising the following steps: step I, record running mode information which is configured to the multimode wireless device by a wireless device control centre in an interface field of a general public wireless interface; step II, send the interface field which records the configured running model information to the multimode wireless device by the wireless device control centre; step III, switch to the configured running mode by the multimode wireless device according to the received interface field. The control for switching the running mode of the multimode wireless device can be directly, effectively and fast realized by using the interface field of CPRI.
Description
Technical field
The invention belongs to the distributed base station field, relate in particular to the method and system of a kind of control multimode wireless device (RemoteEquipment is hereinafter to be referred as RE) running mode switching.
Background technology
Common public radio interface (Common Public Radio Interface is hereinafter to be referred as CPRI) is the standard interface of being published jointly by many companies cooperation in the communications industry.The CPRI interface is to wireless device controls center (the Radio Equipment Control Center of inside, wireless base station, hereinafter to be referred as REC, generally be meant Base Band Unit (Base Band Unit, be called for short BBU)) and wireless device (Radio Equipment, hereinafter to be referred as RE, be meant that generally the key interface between the remote radio unit (RRU) (Remote Radio Unit, be called for short RRU) carried out standard.The CPRI interface standard has improved the versatility of interface between REC and the RE, helps realizing between base band between different vendor and the radio frequency unit interconnected.
Because the high speed development of radio communication, in order to realize smooth upgrade better, Multi-Mode Base Station arises at the historic moment.According to the i/q signal of various patterns processing difference in CPRI interface mappings and RE part, when the operational mode that realizes multimode RE is switched, prior art mainly is earlier to set up the control and management passage by the CPRI interface (Control and Manage is hereinafter to be referred as C﹠amp; M) after, the operational mode configuration messages of sending out specific is again controlled the switching of operational mode.
The method of above-mentioned control running mode switching has following shortcoming at least: 1, at the C﹠amp of different operational modes; M channel information definition disunity is difficult to finish thereby cause operational mode to be switched; 2, because C﹠amp; The complete protocol stack of carrying on the M passage (HDLC---ETHERNET---IP---RUDP (TCP, UDP)) data must be waited for after the superiors' protocol link is set up the configuration of operational mode and just can be carried out, thereby cause the running mode switching elapsed time long.
Summary of the invention
The object of the present invention is to provide a kind of method of controlling running mode switching of multimode wireless device, be intended to solve under the prior art, when control multimode RE running mode switching, operational mode is switched and is difficult to finish and problem that elapsed time is long.
The present invention is achieved in that a kind of method of controlling running mode switching of multimode wireless device, and described method comprises the following steps:
Another object of the present invention is to provide the system of control running mode switching of multimode wireless device, described system comprises the following units:
The operational mode value is provided with the unit, and the interface field that common public radio interface is set is to dispose the operational mode information of the value of the operational mode correspondence of giving described multimode wireless device with the record configuration;
Operational mode value transmitting element sends the interface field of the operational mode information record configuration to multimode wireless device;
The operational mode switch unit after the information of receiving operational mode value transmitting element, switches to the operational mode of multimode wireless device the operational mode of configuration.
The invention has the beneficial effects as follows that the interface field by using CPRI is as pattern field, with the operational mode information of this pattern field record configuration and send to multimode wireless device, running mode switching of multimode wireless device is to the operational mode of configuration.This control method can directly effectively and apace be controlled running mode switching of multimode wireless device.
Description of drawings
Fig. 1 is the method flow diagram of the control running mode switching of multimode wireless device that provides of the embodiment of the invention;
Fig. 2 be the CPRI that provides of the embodiment of the invention frame structure with become the frame number schematic diagram;
Fig. 3 is the schematic diagram that can obtain the corresponding Hyper Frame Number that contains pattern information when the network configuration of REC and multimode RE cascade are provided after the multimode RE cascade that provides of the preferred embodiment of the present invention;
Fig. 4 is the basic frame control field tabulation of the CPRI that provides of the preferred embodiment of the present invention;
Fig. 5 is the method flow diagram of the control running mode switching of multimode wireless device that provides of the preferred embodiment of the present invention;
Fig. 6 is the system construction drawing of the control running mode switching of multimode wireless device that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, be used for putting down in writing operational mode information by the interface field of using the CPRI interface as pattern field, send the transmission that this pattern field just realizes the running mode switching order to multimode wireless device, multimode wireless device carries out corresponding operational mode switching after receiving this pattern field.In this manner, the wireless device controls center can fast and effeciently be controlled multimode wireless device and finish the operational mode switching at any time by the interface field of CPRI.
Fig. 1 shows the method flow of the control running mode switching of multimode wireless device that the embodiment of the invention provides, and details are as follows:
In step S101, the wireless device controls center is in the interface field of common public radio interface, and the record configuration is to the operational mode information of multimode wireless device;
Common public radio interface CPRI is the standard interface that the cooperation of many companies is published jointly in the communications industry.The part of interface field of CPRI or a control byte can be chosen as pattern field in the wireless device controls center.The operational mode information of this pattern field record configuration.Represent different operational modes in this pattern field with different value, operational mode generally can be one or more in the operational modes such as GSM, CDMA, WCDMA, TD-SCDMA, LTE.
In step S102, the mind-set multimode wireless device sends the interface field of the operational mode information that records configuration in the wireless device controls;
Wireless device controls center or other can send the equipment of CPRI information, send the interface field of the operational mode information that records configuration to multimode wireless device by the CPRI port.
In step S103, multimode wireless device is according to the interface field received, switch to configuration operational mode.
After multimode wireless device is received the interface field of the operational mode information that records configuration, switch to the operational mode of configuration voluntarily.
This control method is simple and directly, can be at any time effectively and the quick control multimode wireless device switch to the operational mode that needs.
The frame structure that Fig. 2 shows the CPRI that the embodiment of the invention provides with become frame number.The frame of CPRI has 150 superframe Z, comprises 256 basic frame X in each superframe again, in each basic frame X W word is arranged, and Y byte C arranged in each word, and each byte C has 8 bits.The interface field of above-mentioned CPRI is meant the field in the CPRI frame.
Each byte in the frame structure of CPRI has 8 bits, that is to say that each byte can represent 256 kinds of numerical value, can choose the corresponding operational mode of wherein numeric representation wantonly.As: can represent the GSM operational mode with 00000000,00000001 expression CDMA operational mode etc., it will be appreciated by those skilled in the art that, can represent the combination of a kind of operational mode or several operational modes with different bytes in the interface field in the frame structure of CPRI or the different numerical value in the byte, just enumerate no longer one by one here.
Fig. 5 shows the method flow of the control running mode switching of multimode wireless device that the preferred embodiment of the present invention provides.The network configuration of this preferred embodiment connects REC after the multimode RE cascade as shown in Figure 3.Fig. 3 also show this preferred embodiment cascade each multimode RE correspondence can obtain the Hyper Frame Number that contains operational mode information.
In the preferred embodiment of the present invention, operational mode information is documented in pattern (ModeID) control word of business men explanation (Vendor specific) control field of the basic frame in the superframe, and pattern (ModeID) control word at the particular location of the basic frame of CPRI as shown in Figure 4.
In step S501, the operational mode that each port at the wireless device controls center will dispose to the multimode wireless device that is connected with this port is created as the operational mode table;
In the network configuration of the preferred embodiment of the present invention, all corresponding multimode RE that is connected to the cascade of some of each port at wireless device controls center.Therefore set up an operational mode table corresponding, help quickening in pattern (ModeID) control word that business men at CPRI illustrates (Vendor specific) control field corresponding operational mode value being set with the multimode RE of each cascade.
In step S502, the ModeID control word in the Vendor specific control field of wireless device controls center CPRI is set to corresponding operational mode value;
The business men that sends to the CPRI of corresponding multimode wireless device according to the operational mode table illustrates that pattern (ModeID) control word in (Vendorspecific) control field is set to corresponding operational mode value.
In step S503, the wireless device controls center is in the superframe of correspondence, and pattern (ModeID) control word that will contain the operational mode information of corresponding configuration sends to corresponding multimode wireless device;
In the network configuration of the preferred embodiment of the present invention, make up signal transmission link between REC and the RE, pattern (ModeID) control word that REC will contain the operational mode of controlling RE sends to this RE in corresponding superframe.As: when the Hyper Frame Number HFN=0, REC sends pattern (ModeID) control word that contains the 1st grade of RE operational mode data; When Hyper Frame Number HFN=1, REC sends pattern (ModeID) control word of the 2nd grade of RE operational mode data; And the like, REC sends the operational mode of m level RE respectively in 0～m-1 superframe.
In step S504, obtain the operational mode information of configuration pattern (ModeID) control word of multimode wireless device in its corresponding superframe;
Multimode wireless device is resolved the superframe of progression correspondence according to the progression at its place, obtains the operational mode information of configuration.
In step S505, multimode wireless device judges whether running mode switching load software or configuration will restart;
When multimode wireless device RE carries out the running mode switching order, judge whether the software or the configuration that load running mode switching will restart, if execution in step S506 then, otherwise execution in step S507.
In step S506, multimode wireless device is preserved the operational mode information of receiving;
The operational mode information of configuration is kept at this locality.After restarting, before load software or the configuration, multimode wireless device may not obtain the operational mode information of REC configuration again.But with the configuration operational mode information be kept at this locality after, multimode wireless device can read the operational mode information of configuration in real time.
In step S507, multimode wireless device is finished the switching of operational mode according to the operational mode information load software or the configuration of preserving or receiving.
After multimode RE finishes operational mode and switches, REC also switched to corresponding operational mode or be replaced by the REC of corresponding operational mode, again will multimode RE insert the network that has just built up this operational mode behind the REC.
Fig. 6 shows the system configuration of the control multimode wireless device switch mode that the embodiment of the invention provides, and for convenience of description, only shows part related to the present invention here.Details are as follows:
The operational mode value is provided with unit 601, and the interface field that common public radio interface is set is the value of configuration to the operational mode correspondence of described multimode wireless device, the operational mode information of record configuration; Specifically as mentioned above.
Operational mode value transmitting element 602 sends the interface field of the operational mode information record configuration to multimode wireless device; Specifically as mentioned above.
Operational mode switch unit 603 after the information of receiving operational mode value transmitting element, switches to the operational mode of multimode wireless device the operational mode of configuration; Specifically as mentioned above.
Described operational mode switch unit 603 can comprise restarts judge module 6031, information preservation module 6032 and operational mode handover module 6033.
Restart judge module 6031, judge whether running mode switching load software or configuration will restart; Specifically as mentioned above.
Information is preserved module 6032, judges will restart the time restarting judge module 6031, preserves the operational mode information of the configuration that receives; Specifically as mentioned above.
Operational mode handover module 6033 switches to multimode wireless device the operational mode of configuration; Specifically as mentioned above.
In embodiments of the present invention, use the interface field record running mode switching information of CPRI, can directly control running mode switching of multimode wireless device fast and effectively; In the interface field of common public radio interface, before the record operational mode information step, build up corresponding operational mode table for the operational mode of the multimode wireless device that is connected with same port configuration; Help accelerating in the interface field of CPRI, being provided with corresponding operational mode value like this; Business men explanation (Vendor specific) control field of CPRI is freely defined by business men, uses this control field can avoid taking place misoperation; Pattern (ModeID) control word with the business men of CPRI explanation (Vendorspecific) control field can avoid taking place misoperation better; Multimode wireless device judges that whether load software or configuration will restart, and are the operational mode information of then preserving configuration, otherwise directly carry out running mode switching when running mode switching; Can faster and better ground running mode switching.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a method of controlling the multimode wireless device switch mode is characterized in that, described method comprises the following steps:
Step 1, wireless device controls center are in the interface field of common public radio interface, and the record configuration is to the operational mode information of described multimode wireless device;
Step 2, the described multimode wireless device of mind-set sends the described interface field that records the operational mode information of configuration in the wireless device controls;
Step 3, described multimode wireless device switch to the operational mode of configuration according to the interface field of receiving.
2. the method for claim 1, it is characterized in that, described step 1 is: the wireless device controls center is in the business men explanation Vendor of common public radio interface specific control field, and the record configuration is to the operational mode information of described multimode wireless device.
3. the method for claim 1, it is characterized in that, described step 1 is: the wireless device controls center is in the pattern ModeID control word of the business men explanation Vendor of common public radio interface specific control field, and the record configuration is to the operational mode information of described multimode wireless device.
4. as the described method of any claim of claim 1 to 3, it is characterized in that, before the described first step, further comprising the steps of:
The wireless device controls center will dispose to the operational mode of the multimode wireless device that is connected with same port and build up the operational mode table.
5. as the described method of any claim of claim 1 to 3, it is characterized in that, described the 3rd step is: multimode wireless device is when the interface field running mode switching that basis is received, judge earlier whether running mode switching load software or configuration will restart, be the operational mode information of then preserving configuration, otherwise directly carry out the operational mode that switches to configuration.
6. method as claimed in claim 5 is characterized in that, and is before the described first step, further comprising the steps of:
Build up the operational mode table of configuration for the operational mode of the multimode wireless device that is connected with same port configuration.
7. a system that controls running mode switching of multimode wireless device is characterized in that, described system comprises the following units:
The operational mode value is provided with the unit, and the interface field that common public radio interface is set is to dispose the operational mode information of the value of the operational mode correspondence of giving described multimode wireless device with the record configuration;
Operational mode value transmitting element sends the interface field of the operational mode information record configuration to multimode wireless device;
The operational mode switch unit after the information of receiving operational mode value transmitting element, switches to the operational mode of multimode wireless device the operational mode of configuration.
8. system as claimed in claim 7 is characterized in that, described operational mode switch unit comprises following module:
Restart judge module, judge whether running mode switching load software or configuration will restart;
Information is preserved module, judges will restart the time restarting judge module, preserves the operational mode information of the configuration that receives;
The operational mode handover module switches to multimode wireless device the operational mode of configuration.
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| CN200810218395A CN101754481A (en) | 2008-12-10 | 2008-12-10 | Method and system for controlling running mode switching of multimode wireless device |
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| CN200810218395A CN101754481A (en) | 2008-12-10 | 2008-12-10 | Method and system for controlling running mode switching of multimode wireless device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079771A1 (en) * | 2009-12-28 | 2011-07-07 | 电信科学技术研究院 | Method, system and device for data transmission |
| WO2012048631A1 (en) * | 2010-10-15 | 2012-04-19 | 中兴通讯股份有限公司 | Method for transmitting data between base band unit and remote radio unit, and distributed 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 |
| WO2013040740A1 (en) * | 2011-09-19 | 2013-03-28 | 华为技术有限公司 | Data transmission method and device for common public radio interface |
| CN103582026A (en) * | 2012-07-19 | 2014-02-12 | 中兴通讯股份有限公司 | CPRI adaptive configuration method and CPRI adaptive configuration device |
| WO2014166112A1 (en) * | 2013-04-12 | 2014-10-16 | 华为技术有限公司 | Method and device for across-system interoperation |
-
2008
- 2008-12-10 CN CN200810218395A patent/CN101754481A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079771A1 (en) * | 2009-12-28 | 2011-07-07 | 电信科学技术研究院 | Method, system and device for data transmission |
| WO2012048631A1 (en) * | 2010-10-15 | 2012-04-19 | 中兴通讯股份有限公司 | Method for transmitting data between base band unit and remote radio unit, and distributed base station |
| CN102457312A (en) * | 2010-10-15 | 2012-05-16 | 中兴通讯股份有限公司 | Data transmission method between baseband unit and remote radio frequency unit and distributed 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 |
| WO2013040740A1 (en) * | 2011-09-19 | 2013-03-28 | 华为技术有限公司 | Data transmission method and device for common public radio interface |
| CN103535094A (en) * | 2011-09-19 | 2014-01-22 | 华为技术有限公司 | Data transmission method and device for common public radio interface |
| CN103535094B (en) * | 2011-09-19 | 2016-12-28 | 华为技术有限公司 | The transmission method of common public radio interface data and equipment |
| CN103582026A (en) * | 2012-07-19 | 2014-02-12 | 中兴通讯股份有限公司 | CPRI adaptive configuration method and CPRI adaptive configuration device |
| CN103582026B (en) * | 2012-07-19 | 2017-11-28 | 中兴通讯股份有限公司 | A kind of method and apparatus of CPRI adaptive configurations |
| WO2014166112A1 (en) * | 2013-04-12 | 2014-10-16 | 华为技术有限公司 | Method and device for across-system interoperation |
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Application publication date: 20100623 |