CN102082631B - Method and device for processing signalings - Google Patents
Method and device for processing signalings Download PDFInfo
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- CN102082631B CN102082631B CN201010605959.XA CN201010605959A CN102082631B CN 102082631 B CN102082631 B CN 102082631B CN 201010605959 A CN201010605959 A CN 201010605959A CN 102082631 B CN102082631 B CN 102082631B
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Abstract
The invention discloses a method for processing signalings, which is used for improving the signaling processing efficiency. The method comprises the steps of: converting a plurality of received PPP (Peer-Peer Protocol) signalings to a plurality of time slots on an E1/T1 link; and respectively carrying out PPP framing processing on the plurality of groups of PPP signalings on the converted E1/T1 link. The invention also discloses a device for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to method and the device of processing signaling.
Background technology
E1/T1 is a kind of interface being widely used in the communications field, and E1 is European standard, and speed is 2.048Mbps; T1 is North-America standard, and speed is 1.544 Mbps.Here be only described for E1, the principle of T1 is similar.
From physical interface, E1 transmits data with time-multiplexed form, and its frame divides 32 time slot (Time Slot, TS), each time slot is 8bit (bit), and usual definition of T S0 is as synchronization slot, and TS1-TS31 is then as signaling or voice slot.
From transmission channel, if a time slot is as a channel, then transmission rate is 64Kbps; If several time slot is joined together as a channel, then transmission rate is N × 64Kbps; If a time slot is divided into multiple channel, then transmission rate can be divided into 32Kbps and 16Kbps etc.For signal collecting, need signal collecting to get off, and do not need the content paying close attention to voice.So in order to carry out signal collecting, need to know in advance the agreement of signalling time slot position, signaling rate and employing, these information are not easy accurately to obtain concerning collecting device.For the application that IP (Internet protocol) packet is carried by E1 (T1 and E1 is similar), the limited bandwidth of single transmission channel after all, system equipment (as router) can according to current data traffic and network condition dynamic conditioning bearing mode, as bound more transmission channel to improve bandwidth etc.Usually this dynamic conditioning is the result of consulting between system equipment, consults successfully, and namely adjustment is implemented.How to obtain negotiation result, synchronous adjustment acquisition strategies, applying signal collecting is flexibly a challenge.
At present for E1 link, the signal collecting that data link layer adopts PPP (peer-peer protocol) to encapsulate, usual scheme is: collecting device first completes code conversion by physical chip the data on to be collected certain E1 line, then processor is submitted to, by the MCC (Multi-ChannelController of processor inside, Multi Channel Controller) be configured in HDLC (High-Level Data Link Control) pattern under, then HDLC framing is carried out to data.Because PPP frame structure is a kind of HDLC-like framing structure (HDLC-likeFraming), namely there are according to the Frame of PPP encapsulation all features of HDLC frame, therefore can realize HDLC framing.Usually for an E1 link, during carrying PPP signaling, the part or all of time slot of frame data can be utilized to realize.According to the hardware processing capability of signaling process side, the PPP signaling that time slot carrying in processing section carries with whole time slot, needs the passage taking hardware to be the same.That is, when time slot carrying in processing section is based on PPP signaling, some hardware resource has been wasted, and have impact on signaling treatment effeciency.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of processing signaling, for improving signaling treatment effeciency.
A method for processing signaling, comprises the following steps:
By time gas exchange mode, by many PPP Signalling conversion on many E1/T1 links receiving on multiple time slots of an E1/T1 link;
Respectively PPP framing processing is carried out to the many groups PPP signaling on an E1/T1 link after conversion;
Timestamp is stamped to the data after framing.
For the treatment of a device for signaling, comprising:
Time gas exchange module, for by time gas exchange mode, by many PPP Signalling conversion on many E1/T1 links receiving on multiple time slots of an E1/T1 link;
Protocol process module, for carrying out PPP framing processing respectively to the many groups PPP signaling on an E1/T1 link after conversion, and stamps timestamp to the data after framing.
The embodiment of the present invention by time slot conversion regime, by many PPP Signalling conversion receiving on multiple time slots of an E1/T1 link, makes follow-up processing module can process many PPP signalings simultaneously, makes full use of hardware resource, improve signaling treatment effeciency.
Accompanying drawing explanation
Fig. 1 is the main method flow chart of signaling process in the embodiment of the present invention;
Fig. 2 is the method detailed flow chart of signaling process in the embodiment of the present invention;
Fig. 3 is the primary structure figure of device in the embodiment of the present invention;
Fig. 4 is the detailed structure view of device in the embodiment of the present invention.
Embodiment
The embodiment of the present invention by time slot conversion regime, by many PPP Signalling conversion receiving on multiple time slots of an E1/T1 link, makes follow-up processing module can process many PPP signalings simultaneously, makes full use of hardware resource, improve signaling treatment effeciency.
See Fig. 1, the main method flow process of signaling process in the present embodiment is as follows:
Step 101: by time gas exchange mode, by many PPP Signalling conversion receiving on multiple time slots of an E1/T1 link.
Step 102: respectively PPP framing processing is carried out to the many groups PPP signaling on an E1/T1 link after conversion.
See Fig. 2, the method detailed flow process of signaling process in the present embodiment is as follows:
Step 201: receive many signalings based on PPP be carried on E1/T1 from many E1/T1 links.
Step 202: be the PPP signaling be carried on high speed highway by the Signalling conversion based on PPP be carried on E1/T1 received.Wherein, Highway is a kind of serial signal.
Step 203: by configuration switching matrix, by many PPP Signalling conversion on many E1/T1 links on multiple time slots of an E1/T1 link.Wherein, a PPP signaling can take multiple time slot.Such as, an E1/T1 link has 32 time slots, the corresponding PPP signaling of every 8 time slots.Certainly, the length of PPP signaling can not be fixed.
Step 204: respectively PPP framing processing is carried out to the many groups PPP signaling on an E1/T1 link after conversion.
Step 205: timestamp is stamped to the data after framing.This step carries out maintenance and management for the ease of the later stage to signaling.
Step 206: form packing is carried out to data after framing and sends.Especially form packing is carried out to the data of band timestamp.The form that the form of packing can be supported according to external equipment is arranged.Data after packing can be sent to arbitrary external equipment, be convenient to analyze signaling, and maintenance and management is carried out to link.
By being described above the process of having separated signaling process, this process can be realized by device, is introduced below to the internal structure of this device and function.
See Fig. 3, comprise for the device of signaling process in the present embodiment: time gas exchange module 301 and protocol process module 302.
Time gas exchange module 301 for by time gas exchange mode, by many PPP Signalling conversion receiving on multiple time slots of an E1/T1 link.Time gas exchange module 301 can make some time gas exchange of the highway signal of input arbitrarily in the particular time-slot of the highway signal exported arbitrarily.The highway signal rate of this module support reaches as high as 32.768Mbps.
Protocol process module 302 is for carrying out PPP framing processing respectively to the many groups PPP signaling on an E1/T1 link after conversion.Protocol process module 302 supports that the highway signal rate of input is the highest also can reach 32.768Mbps, just in time matches with the output of time gas exchange module 301.Protocol process module 302 can be programmable logic device, can support at most the grouping of integrated 16 E1, namely can process the MLPPP (breaching the bottleneck adopting processor mode can only process 8 E1) under 16 E1 binding conditions.And protocol process module 302 is also for stamping timestamp to the data after framing.Protocol process module 302 is also for carrying out form packing to data after framing, and the data after being packed by form by the PCI-E interface module in device are sent to external equipment.
Described device also comprises: E1/T1 Interface module 303, clock module 304, controller module 305 and PCI-E interface module 306, shown in Figure 4.
E1/T1 Interface module 303 is for being the PPP signaling be carried on high speed highway by the Signalling conversion based on PPP be carried on E1/T1 received.Concrete, E1/T1 Interface module 303 mainly completes the conversion of E1/T1 signal link pattern, be such as HDB3 (High DensityBipolar3 by the coded format of input, High Density Bipolar 3) or AMI (Alternate Mark Inversion, bipolarity alternating inversion code) convert NRZ (No Return Zero to, nonreturn to zero code) highway signal (highway signal is a kind of serial signal), by the highway Signal transmissions of NRZ to time gas exchange module 301.
Clock module 304 to be gone forward side by side horizontal lock for extracting clock from E1/T1 link, and the work clock of phase-locked rear generation is configured to E1/T1 Interface module, time gas exchange module and protocol process module.Concrete, clock module 304 carries out a series of system works clock of phase-locked rear generation, as 32.768MHz, 8.192MHz, 2.048MHz, 8KHz, 100MHz etc., corresponding work clock is assigned to respectively E1/T1 Interface module 303, time gas exchange module 301, protocol process module 302 and PCI-E interface module 306.
Controller module 305 is for carrying out initial configuration and condition monitoring to time gas exchange module 301 and protocol process module 302.
PCI-E interface module 306 sends the data of packing data on PCI-E physical interface for completing.
The embodiment of the present invention by time slot conversion regime, by many PPP Signalling conversion receiving on multiple time slots of an E1/T1 link, makes follow-up processing module can process many PPP signalings simultaneously, makes full use of hardware resource, improve signaling treatment effeciency.The embodiment of the present invention also stamps timestamp to the data after framing, the ordinal relation that can mark each signaling and embody between signaling, is convenient to follow-up signalling analysis.And, by the data format packing after framing, send follow-up equipment, to analyze signaling and to carry out maintenance and management to link.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a method for processing signaling, is characterized in that, comprises the following steps:
By time gas exchange mode, by many PPP Signalling conversion on many E1/T1 links receiving on multiple time slots of an E1/T1 link;
Respectively PPP framing processing is carried out to the many groups PPP signaling on an E1/T1 link after conversion;
Timestamp is stamped to the data after framing.
2. the method for claim 1, it is characterized in that, before many PPP Signalling conversion receiving are to multiple time slots of an E1/T1 link, also comprise step: be the PPP signaling be carried on high speed highway by the Signalling conversion based on PPP be carried on E1/T1 received.
3. for the treatment of a device for signaling, it is characterized in that, comprising:
Time gas exchange module, for by time gas exchange mode, by many PPP Signalling conversion on many E1/T1 links receiving on multiple time slots of an E1/T1 link;
Protocol process module, for carrying out PPP framing processing respectively to the many groups PPP signaling on an E1/T1 link after conversion, and stamps timestamp to the data after framing.
4. device as claimed in claim 3, is characterized in that, also comprise: E1/T1 Interface module, for being the PPP signaling be carried on high speed highway by the Signalling conversion based on PPP be carried on E1/T1 received.
5. device as claimed in claim 4, is characterized in that, also comprise: clock module, to go forward side by side horizontal lock, the work clock of phase-locked rear generation is configured to E1/T1 Interface module, time gas exchange module and protocol process module for extracting clock from E1/T1 link.
6. device as claimed in claim 3, is characterized in that, protocol process module is also for carrying out form packing to data after framing, and the data after being packed by form by the PCI-E interface module in device are sent to external equipment.
7. device as claimed in claim 3, it is characterized in that, protocol process module is programmable logic device.
8. device as claimed in claim 3, is characterized in that, also comprise: controller module, for carrying out initial configuration and condition monitoring to time gas exchange module and protocol process module.
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| CN201010605959.XA CN102082631B (en) | 2010-12-24 | 2010-12-24 | Method and device for processing signalings |
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| CN201010605959.XA CN102082631B (en) | 2010-12-24 | 2010-12-24 | Method and device for processing signalings |
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| CN102082631B true CN102082631B (en) | 2015-04-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281606A (en) * | 1997-11-14 | 2001-01-24 | 世界空间管理公司 | Signaling protocol for satellite direct radio broadcast system |
| WO2009043247A1 (en) * | 2007-09-21 | 2009-04-09 | Huawei Technologies Co., Ltd. | Interception method, interception device, base station and base station controller |
| CN101651846A (en) * | 2009-09-16 | 2010-02-17 | 中兴通讯股份有限公司 | Signaling acquisition device and method |
| CN101741649A (en) * | 2009-12-31 | 2010-06-16 | 中兴通讯股份有限公司 | Signaling monitoring collecting device and data processing device and method thereof |
-
2010
- 2010-12-24 CN CN201010605959.XA patent/CN102082631B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281606A (en) * | 1997-11-14 | 2001-01-24 | 世界空间管理公司 | Signaling protocol for satellite direct radio broadcast system |
| WO2009043247A1 (en) * | 2007-09-21 | 2009-04-09 | Huawei Technologies Co., Ltd. | Interception method, interception device, base station and base station controller |
| CN101651846A (en) * | 2009-09-16 | 2010-02-17 | 中兴通讯股份有限公司 | Signaling acquisition device and method |
| CN101741649A (en) * | 2009-12-31 | 2010-06-16 | 中兴通讯股份有限公司 | Signaling monitoring collecting device and data processing device and method thereof |
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Granted publication date: 20150422 Termination date: 20191224 |