CN101188823B - A maintenance method and device for downlink device service - Google Patents
A maintenance method and device for downlink device service Download PDFInfo
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- CN101188823B CN101188823B CN2007101984900A CN200710198490A CN101188823B CN 101188823 B CN101188823 B CN 101188823B CN 2007101984900 A CN2007101984900 A CN 2007101984900A CN 200710198490 A CN200710198490 A CN 200710198490A CN 101188823 B CN101188823 B CN 101188823B
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Abstract
The embodiment of the invention discloses a service maintaining method of lower level equipment, which comprises the following steps: the E1 / T1 link of upper level equipment and the E1 / T1 link of the lower level equipment are respectively connected through the E1 / T1 interface chip of the equipment at the corresponding level; when the equipment at the corresponding level is reset, through the time slot cross function of the equipment at the corresponding level, the time slot cross is performed in the E1 / T1 link connected with the E1 / T1 interface chip, and the service of the lower equipment can be maintained. The embodiment of the invention also discloses a service maintaining device of the lower level equipment. By using the invention and adopting the method that the E1 / T1 interface chip and the fully cross of all the time slots of the E1 / T1 link in a time slot cross unit, or keeping the original configuration of the time slot cross, the transmission of the lower level equipment is not interrupted when the equipment at the corresponding level is reset, thereby the service of the lower level equipment is not affected.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and apparatus of keeping of downlink device service.
Background technology
In the wireless base station communication system, the normal E1/T1 transmission link chain networking that adopts, specific implementation is to adopt wherein part E1/T1 link connection higher level transmission system, part E1/T1 link connects subordinate equipment in addition, realize common transmission by time slot intersection, Fractional ATM modes such as (Fractional Asynchronous TransferMode, channelizing asynchronous transfer modes).Above-mentioned higher level's transmission system comprises base station controller, base station or other transmission equipments, and subordinate equipment comprises 2G base station, NodeB or other equipment.Under this transmission group net mode, upper-level BTS resets or upgrades (upgrading base station can reset usually) or power down will cause the subordinate equipment transport service to interrupt fully, and this has influenced the reliability of networking to a great extent.
In order to address this problem, following solution has been proposed in the prior art: E1/T1 port channel and power down when using normal operation or the E1/T1 hardware bypass functionality when resetting.When the base station is normally moved, provide the transmission data channel for subordinate base station by transparent transmission time slot between configuration E1/T1 port; When base station resets, upgrading or power down, the E1/T1 line side analog passband signal that E1/T1 that E1/T1 hardware bypass functionality sends higher level equipment and subordinate equipment send is crossed hardware switch and is communicated with, thereby guarantees that the subordinate equipment transport service do not interrupt.Pass-through channel satisfies the transparent transmission principle between the E1/T1 port: upper-level BTS is only done time slot intersection between the E1/T1 port for the data of subordinate equipment, does not carry out Business Processing.
In the prior art, the E1/T1 bypass functionality realizes by the hardware bypass circuit usually how its principle realizes this bypass functionality with link 0 and the explanation of link 1 usefulness relay switching circuit as shown in Figure 1.Signal is as shown in table 1 below among the figure:
Table 1: signal instruction
| Signal name | Signal description | Remarks |
| RRING0/RRING1 | Link 0/1 receives rubber-insulated wire (-) | Link 0/1 signal name (line side analog signal) in the plate |
| RTIP0/RTIP1 | Link 0/1 receives heart yearn (+) | ? |
| TRING0/TRING1 | Link 0/1 sends rubber-insulated wire (-) | ? |
| TTIP0/TTIP1 | Link 0/1 sends heart yearn (+) | ? |
| L_RRING0/L_RRING1 | Link 0/1 receives rubber-insulated wire (-) | Interface link 0/1 signal name (line side analog signal) |
| L_RTIP0/L_RTIP1 | Link 0/1 receives heart yearn (+) | ? |
| L_TRING0/L_TRING1 | Link 0/1 sends rubber-insulated wire (-) | ? |
| L_TTIP0/L_TTIP1 | Link 0/1 sends heart yearn (+) | ? |
| E1_BYPASS_CTRL | The control of bypass relay power | ? |
| Vswitch | Relay power | The output of relay power chip |
| VIN_E1_BYPASS | The power supply input | Relay power supply chip input voltage |
In conjunction with Fig. 1, this E1 hardware bypass functionality operation principle is as follows: suppose that link 0 connects higher level's transmission equipment, link 1 connects subordinate base station equipment, and part time slot allocated bandwidth is given base station at the corresponding levels in 32 time slots of E1 link 0, and the remaining time slots allocated bandwidth is given subordinate base station.The E1 link, is normally exported for the power supply chip of relay power supply when the operate as normal of base station at the corresponding levels by dpdt relay switch control break-make, and relay coil is switched on, normally opened contact 3-4,5-6 adhesive.At this moment, down direction: link 0 total data enters base station at the corresponding levels, subordinate base station time slot data is crossed on the link 1 by Timeslot cross function according to the time slot allocation situation, is sent to subordinate base station; Up direction: base station at the corresponding levels receives subordinate base station business datum (subordinate's data can only take the distributed time slot bandwidth) by link 1, by the merging of time slot intersection the time slot of the time slot of data occupancy at the corresponding levels and subordinate's data occupancy is merged on the link 0, be sent to higher level's transmission equipment.Upgrading base station at the corresponding levels, when resetting, control relay power supply chip
(Shut Down, close) end power cutoff output (during power down at the corresponding levels power supply chip also no-output), the relay coil power down, relay normally-closed contact 2-3,6-7 is connected, and E1 link 0 line side analog signal does not enter base station at the corresponding levels and handles, and directly switches on subordinate base station cascaded link 1 circuit by relay, subordinate base station is extracted the time slot data processing of oneself according to time slot configuration, realizes E1 link bypass functionality.
The inventor finds that there is following shortcoming at least in prior art in realizing process of the present invention:
In the E1/T1 bypass, realize that 1 pair of E1 link bypass functionality need pass through 4 dpdt relays, and relay circuit can take suitable PCB area, also to provide power supply and coil freewheeling circuit for relay separately in addition, the use of these devices has increased cost, and the easily inefficacy of the long-time back of relay, reliability is not high.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of keeping of subordinate base station business, when being used to realize device reset at the corresponding levels, does not impact for the business of subordinate equipment.
For achieving the above object, embodiments of the invention provide a kind of method of keeping of downlink device service, may further comprise the steps:
Be connected with the E1/T1 link of higher level equipment and the E1/T1 link of subordinate equipment respectively by equipment E1/T1 Interface chip at the corresponding levels, and give equipment at the corresponding levels and described subordinate equipment the time slot allocation in the described link;
During corresponding levels device reset, carry out time slot in the E1/T1 link that Timeslot cross function makes with described E1/T1 Interface chip is connected by equipment at the corresponding levels and intersect, to keep the business of described subordinate equipment;
During described device reset at the corresponding levels, described E1/T1 Interface chip and Timeslot cross function be not with described device reset at the corresponding levels.
Embodiments of the invention also provide a kind of holdout device of downlink device service, comprising:
The E1/T1 Interface chip is used to connect the E1/T1 link of equipment at the corresponding levels and higher level equipment, subordinate equipment;
The time slot cross unit is used for giving equipment at the corresponding levels and described subordinate equipment with the time slot allocation of described link; And when device reset at the corresponding levels, make with E1/T1 link that described E1/T1 Interface chip is connected in carry out time slot and intersect, to keep the business of described subordinate equipment; During described device reset at the corresponding levels, described E1/T1 Interface chip and time slot cross unit be not with described device reset at the corresponding levels.
Compared with prior art, embodiments of the invention have the following advantages:
Adopt whole time slots in E1/T1 Interface chip, time slot cross unit and the E1/T1 link to intersect entirely or keep the method for former time slot cross-over configuration to make and when device reset, can not interrupt, thereby can not impact downlink device service to causing subordinate's transmission.In addition, realized " soft " bypass functionality of E1/T1 link, not needing on the hardware increases devices such as relay, power supply, can effectively reduce hardware cost, the integrity problem of avoiding newly-increased component failure to bring.
Description of drawings
Fig. 1 is an E1 hardware bypass functionality operation principle schematic diagram in the prior art;
Fig. 2 is the schematic diagram that downlink device service is kept method in the embodiments of the invention one;
Fig. 3 is that the time slot allocated bandwidth is distributed schematic diagram in the embodiments of the invention one;
Fig. 4 is the actual scene schematic diagram in the embodiments of the invention one;
Fig. 5 is veneer transmission, the control circuit classification power supply schematic diagram in the embodiments of the invention two;
Fig. 6 is veneer transmission, the control circuit classification power supply schematic diagram in the embodiments of the invention two.
Embodiment
Below in conjunction with drawings and Examples, embodiments of the present invention are described further.
Realize that by E1/T1 Interface chip and Timeslot cross function the full-time crack of E1/T1 link intersects or keeps the method for former time slot cross-over configuration when proposing a kind of device reset at the corresponding levels in the embodiments of the invention, connect higher level equipment and subordinate equipment by the E1/T1 Interface chip, and in conjunction with special control of resetting of E1/T1 Interface chip and board startup process optimization, realize device upgrade at the corresponding levels or the function of E1/T1 cascaded link bypass when resetting, to reach device upgrade at the corresponding levels, not interrupt the purpose of downlink device service when resetting.Below among each embodiment, higher level equipment is that base station controller, subordinate equipment are that the base station is that example describes respectively.
The method of keeping of subordinate's BTS service when a kind of base station resets is provided in the embodiments of the invention one, by the E1/T1 Interface chip connection of base station at the corresponding levels and the E1/T1 link of upper-level BTS controller and subordinate base station, as shown in Figure 2, with link 0 cascade base-station controller, link 1 cascade subordinate base station is an example, and the function of " soft " bypass that realizes the E1/T1 bypass functionality is described.
Concrete, base station at the corresponding levels is whole link HW (the High Way of E1/T1 Interface chip (can use PEF22554 etc.), the HW bus of E1) the side signal is introduced in the time slot cross unit (logic OR time slot cross chips), full-time crack intersected or keeps the strategy of former time slot cross-over configuration when introducing resetted, and realized upgrading base station at the corresponding levels or the function of E1/T1 cascaded link bypass when resetting in conjunction with the control that resets of outside E1/T1 Interface chip and time slot cross unit.
Behind the E1/T1 Interface chip connection by base station at the corresponding levels and the E1/T1 link of base station controller and subordinate base station, and give base station at the corresponding levels and subordinate base station with the time slot allocation in the E1/T1 link.Be example with the E1 link in the present embodiment, give base station at the corresponding levels with part time slot allocated bandwidth in 32 time slots of E1 link 0, the remaining time slots allocated bandwidth is given subordinate base station, and time slot at the corresponding levels and subordinate's use can flexible configuration.Below use TS1～TS15 time slot carrying data with base station at the corresponding levels, subordinate base station is used TS16～TS31 time slot carrying data instance explanation, wherein TS0 is FAS (Frame Alignment Signal, a frame synchronizing signal), as shown in Figure 3.
During base station at the corresponding levels operate as normal, link 0 is set to the time slot cross aisle of link No. 1 (TS16～TS31) and the time slot channel number that uses at the corresponding levels (TS1～TS15) by data configuration.In subordinate's direction, the data at the corresponding levels of carrying are extracted in base station at the corresponding levels from time slot TS1～TS15 that link 0 receives, and for subordinate's data of the time slot TS16 that receives from link 0～TS31 carrying, in the time slot cross unit, intersect by time slot, be crossed to link 1 and send on the time slot TS16～TS31 of link, thereby be sent to subordinate base station.At up direction, base station at the corresponding levels receives the data that subordinate base station sends by E1 link 1, and (Data-carrying is at TS16～TS31), in the time slot cross unit, intersect through time slot, be crossed to the time slot TS16～TS31 of link 0, (Data-carrying at the corresponding levels sends to base station controller after TS1～TS15) is merged into complete E1 link with the transmission data of link 0 at the corresponding levels.
Keep former time slot cross-over configuration or be configured to full-time crack crossing condition in the time slot cross unit during corresponding levels base station resets.Concrete, in subordinate's direction: link 0 receives the whole time slots of data or the configuration time slot is crossed to the sending direction of link 1, and sends to subordinate base station, makes subordinate base station extract the last carrying of TS16～TS31 data according to data configuration.At up direction: E1 link 1 at the corresponding levels receives the data that subordinate base station is carried on TS16～TS31, intersects through time slot in the time slot cross unit, is crossed to the time slot TS16～TS31 of link 0.Base station at the corresponding levels is in reset mode in the up of above-mentioned reseting procedure or subordinate's process, therefore do not have professional Data-carrying.
In sum, by realizing Timeslot cross function, keep former time slot cross-over configuration when resetting or be set to the state that whole time slots are in intersection by the time slot cross unit.Realize not interrupting E1/T1 " bypass " function of subordinate base station transport service in the time of can realizing base station resets at the corresponding levels like this by the time slot cross unit.This time slot cross unit is realized by logic OR time slot cross chips.
When stating the method that embodiment provides in the use, also need realize based on following condition:
1, the reset signal of E1/T1 Interface chip must special control, at upgrading base station, the E1/T1 interface chip can not reset with the base station when resetting, otherwise can't realize the bypass functionality of E1/T1.Can be for resetting of this E1/T1 Interface chip by software control separately as required.In addition, when realizing Timeslot cross function by the time slot cross chips, upgrading base station, this time slot cross chips can not reset thereupon when resetting.
2, cancellation E1/T1 Interface chip and time slot crosscorrelation chip are with the function of base station single-board watchdog reset, there is not reset signal can cause the failure of E1/T1 Interface chip initiation when considering the E1/T1 Interface chip power, there is not reset signal when for example PEF22554 powers on, MPI (Multi-Point Interface, multipoint interface) interface bus can cause the initialization failure unusually.Can adopt the electrification reset function that realizes related chip by the RC circuit in the embodiments of the invention, as shown in Figure 2.
3, reset in order to reduce the corresponding levels, restart subordinate base station service impact degree, to board resetting at the corresponding levels with start flow process and carry out following optimization in addition: when 1) base station is detected E1/T1 chip and time slot crosscorrelation chip in initialization self check flow process, should avoid E1/T1 framing and time slot interleaving function being impacted because of read-write to register on E1/T1 Interface chip and the time slot crosscorrelation chip.2) for PRBS (Pseudo-Random Binary Sequence, pseudo-random binary sequence) the self check process of E1/T1 Interface chip, should not influence E1/T1 framing and time slot interleaving function equally; Or forbid PRBS self check process, avoid the influence that may cause to E1/T1 framing and time slot interleaving function.3) loading procedure to Timeslot cross function is optimized, and when the time slot interleaving function need carry out software upgrading etc. and loads, the mode that can use the backstage to load was to avoid the influence to Timeslot cross function.
Actual scene when using the method that the invention described above embodiment provides as shown in Figure 4, equipment at the corresponding levels is base station node B 1, subordinate equipment is NodeB2, higher level equipment is a radio network controller (RNC).Wherein, NodeB1 and NodeB2 are configured to Franctional ATM mode, and shared No. 0 E1/T1 link connects RNC.Configured port 0 arrives the time slot cross aisle of port one among the NodeB1, the data of FRATM2 is intersected by time slot pass through the E1 link No. 1, delivers to NodeB2.
Under this environment, base station at the corresponding levels 120 times that reset, as follows at the subordinate base station observed result:
The business of subordinate base station is not interrupted; After resetting, upper-level BTS can normally be set up the sub-district at every turn; Subordinate base station has event alarms such as E1/T1 high bit error, sliding frame, does not have fault warning;
Service outage duration measurement result to subordinate base station is as shown in table 2 below:
Table 2. service outage duration measurement result
| The upper-level BTS operation | Subordinate base station is transmitted break period |
[0043]?
| The coffret plate resets separately | 0.3s |
| Whole base station resets | 0.3s |
| The transmission board logical update loads | (3.3s wherein the logic load time is 3s) |
Can find that by above-mentioned test result after the scheme of the soft bypass of employing logic realization E1/T1, base station resets at the corresponding levels only can cause the sudden strain of a muscle disconnected (logic does not load) of the transmission 0.3s of subordinate, to the almost not influence of subordinate base station business.Wherein, the logic load time is very relevant with the specific implementation process, this process can be by optimizing load step or adopting the optimization of backstage loading mode, can make the whole loading upgrading time significantly reduce (the background mode load logic only needs 1ms), for the E1/T1 transmission link, transmitting break period all is acceptable in the 2s.
The said method that the application of the invention embodiment one provides, adopt E1/T1 Interface chip and time slot cross unit and in the E1/T1 link, keep former time slot cross-over configuration or all the full method of intersecting of time slots make and when device reset, can not interrupt causing subordinate's transmission, thereby can not impact downlink device service.In addition, realized " soft " bypass functionality of E1/T1 link, not needing on the hardware increases devices such as relay, power supply, can effectively reduce hardware cost, the integrity problem of avoiding newly-increased component failure to bring.
The foregoing description one be based on base station at the corresponding levels or veneer can the scene of power down in, the solution of E1/T1 bypass functionality when realizing base station or board resetting.The situation of base station at the corresponding levels or veneer power down may take place in actual use.For this situation, embodiments of the invention two provide the scheme when solving base station at the corresponding levels or veneer power down.
In present embodiment two, when base station at the corresponding levels or veneer power down, can adopt standby battery feed to power.Concrete, when causing base station at the corresponding levels or veneer power down owing to mains failure, utilize storage battery to provide the power supply input to the base station, but the storage battery charging time is limited, in order to guarantee E1/T1 transmission link function and time slot interleaving function, the power supply of transmission correlation modules such as coffret chip, time slot cross unit, control circuit and the power supply of other circuit separately provide, during the civil power power down, other circuit powers of veneer turn-off, make storage battery power supply is provided only for transmission, control circuit, save the power-on time of electric energy prolongation transmission by the classification power supply.
As shown in Figure 5, provide power supply by storage battery for circuit such as the Key Circuit E1/T1 Interface chip of E1/T1 bypass functionality, time slot cross units when guaranteeing the civil power power down by the classification power supply plan in the embodiment of the invention two, and one can realize that base station at the corresponding levels has a power failure and the E1/T1 bypass functionality when resetting in conjunction with the embodiments.
In addition, can also use method as shown in Figure 6, for the Key Circuit E1/T1 Interface chip, the time slot cross unit circuit working that guarantee the E1/T1 bypass functionality normal, when base station power-down, also can give this part circuit supply by battery, guarantee that this part circuit has electricity always, one also can realize base station power-down at the corresponding levels and the E1/T1 bypass functionality when resetting in conjunction with the embodiments.
The holdout device of downlink device service when embodiments of the invention also provide a kind of device reset comprises:
The E1/T1 Interface chip is used to connect the E1/T1 link of equipment at the corresponding levels and higher level equipment, subordinate equipment;
The time slot cross unit is used for giving equipment at the corresponding levels and subordinate equipment with the time slot allocation of link; And when device reset at the corresponding levels, make with E1/T1 link that the E1/T1 Interface chip is connected in whole time slots intersect entirely or keep former time slot cross-over configuration, to keep the business of subordinate equipment.
Concrete, this time slot cross unit comprises:
The normal process subelement is used for when equipment operate as normal at the corresponding levels, and time slot corresponding is obtained the data of equipment at the corresponding levels from the descending E1/T1 link that is connected with higher level equipment; And the data corresponding with subordinate equipment in the descending E1/T1 link are intersected by time slot, be crossed in the descending E1/T1 link that is connected with subordinate equipment; In addition, time slot corresponding is obtained the data of subordinate equipment from the up E1/T1 link that is connected with subordinate equipment; After merging with data in the hold facility data slot at the corresponding levels, by the described higher level equipment transmission of the up E1/T1 chain road direction that is connected with higher level equipment.
The reset processing subelement is used for when device reset at the corresponding levels, receives data from the descending E1/T1 link that is connected with higher level equipment, and all is crossed in the descending E1/T1 link that is connected with subordinate equipment, sends to subordinate equipment; In addition, time slot corresponding is obtained the data of described subordinate equipment from the up E1/T1 link that is connected with subordinate equipment, and all is crossed in the up E1/T1 link that is connected with upstream plant, sends to upstream plant.
Power supply unit is used for when equipment resets because of power down, and E1/T1 Interface chip and time slot cross unit are powered, and is normal with the function operation that guarantees E1/T1 Interface chip and time slot cross unit.
When device reset at the corresponding levels, above-mentioned E1/T1 Interface chip, time slot cross unit be not with described device reset at the corresponding levels; After the device reset E1/T1 Interface chip detected and/or when carrying out pseudo-random binary sequence PRBS self check, do not influence the function of this E1/T1 Interface chip; Loading procedure to the time slot cross unit is optimized, and when the time slot interleaving function need carry out software upgrading etc. and loads, the mode that can use the backstage to load was to avoid the influence to Timeslot cross function.
The said equipment that the application of the invention embodiment provides, adopt E1/T1 Interface chip and time slot cross unit and in the E1/T1 link, keep former time slot cross-over configuration or be set to method that whole time slots are in intersection making and when device reset at the corresponding levels, can not interrupting, thereby can not impact downlink device service to causing subordinate's transmission.In addition, realized " soft " bypass functionality of E1/T1 link, not needing on the hardware increases devices such as relay, power supply, can effectively reduce hardware cost, the integrity problem of avoiding newly-increased component failure to bring.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprises that some instructions are used so that an equipment is carried out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (11)
1. the method for keeping of a downlink device service is characterized in that, may further comprise the steps:
Be connected with the E1/T1 link of higher level equipment and the E1/T1 link of subordinate equipment respectively by equipment E1/T1 Interface chip at the corresponding levels, and give equipment at the corresponding levels and described subordinate equipment the time slot allocation in the described link;
During corresponding levels device reset, carry out time slot in the E1/T1 link that Timeslot cross function makes with described E1/T1 Interface chip is connected by equipment at the corresponding levels and intersect, to keep the business of described subordinate equipment;
During described device reset at the corresponding levels, described E1/T1 Interface chip and Timeslot cross function be not with described device reset at the corresponding levels.
2. the method for keeping of downlink device service according to claim 1 is characterized in that, during described device reset at the corresponding levels, carries out time slot in the E1/T1 link that Timeslot cross function makes with described E1/T1 Interface chip is connected by equipment at the corresponding levels and intersects and be specially:
From the descending E1/T1 link that is connected with described higher level equipment, receive data, and intersect, described reception data cross in the descending E1/T1 link that is connected with described subordinate equipment, is sent to described subordinate equipment according to former time slot cross-over configuration or full-time crack;
Time slot corresponding is obtained the data of described subordinate equipment from the up E1/T1 link that is connected with described subordinate equipment, and according to former time slot cross-over configuration or full-time crack intersection, described reception data cross in the up E1/T1 link that is connected with described upstream plant, is sent to described upstream plant.
3. the method for keeping of downlink device service according to claim 1 is characterized in that, described give equipment at the corresponding levels and described subordinate equipment with the time slot allocation in the link after, also comprise:
During corresponding levels equipment operate as normal, time slot corresponding is obtained the data of equipment at the corresponding levels from the descending E1/T1 link that is connected with described higher level equipment; And the data corresponding with subordinate equipment in the described descending E1/T1 link are carried out time slot intersect, be crossed in the descending E1/T1 link that is connected with described subordinate equipment;
During corresponding levels equipment operate as normal, time slot corresponding is obtained the data of described subordinate equipment from the up E1/T1 link that is connected with described subordinate equipment; After merging with data in the hold facility data slot at the corresponding levels, by the described higher level equipment transmission of the up E1/T1 chain road direction that is connected with described higher level equipment.
4. the method for keeping of downlink device service according to claim 1 is characterized in that, also comprises:
The restarting process that resets to described equipment at the corresponding levels is optimized, and described optimization comprises one or more in the following mode:
When described E1/T1 Interface chip and Timeslot cross function are detected, do not influence the function of described E1/T1 interface chip and Timeslot cross function;
When described E1/T1 Interface chip carries out pseudo-random binary sequence PRBS self check, do not influence the function of described E1/T1 Interface chip and Timeslot cross function;
When described Timeslot cross function is carried out the logic loading, do not influence the function of described E1/T1 Interface chip and Timeslot cross function.
5. the method for keeping of downlink device service according to claim 1, it is characterized in that, when the power failure of equipment at the corresponding levels, described E1/T1 Interface chip and Timeslot cross function are powered by special stand-by power supply, and be normal to guarantee the function operation that described E1/T1 Interface chip and time slot intersect.
6. the holdout device of a downlink device service is characterized in that, comprising:
The E1/T1 Interface chip is used to connect the E1/T1 link of equipment at the corresponding levels and higher level equipment, subordinate equipment;
The time slot cross unit is used for giving equipment at the corresponding levels and described subordinate equipment with the time slot allocation of described link; And when device reset at the corresponding levels, make with E1/T1 link that described E1/T1 Interface chip is connected in carry out time slot and intersect, to keep the business of described subordinate equipment; During described device reset at the corresponding levels, described E1/T1 Interface chip and time slot cross unit be not with described device reset at the corresponding levels.
7. as the holdout device of downlink device service as described in the claim 6, it is characterized in that described time slot cross unit comprises:
The reset processing subelement, be used for when device reset at the corresponding levels, from the descending E1/T1 link that is connected with described higher level equipment, receive data, and all or keep former time slot cross-over configuration to be crossed in the descending E1/T1 link that is connected with described subordinate equipment, to described subordinate equipment transmission; In addition, time slot corresponding is obtained the data of described subordinate equipment from the up E1/T1 link that is connected with described subordinate equipment, and all or keep former time slot cross-over configuration to be crossed in the up E1/T1 link that is connected with described higher level equipment, to described higher level equipment transmission.
8. as the holdout device of downlink device service as described in the claim 6, it is characterized in that described time slot cross unit also comprises:
The normal process subelement is used for when equipment operate as normal at the corresponding levels, and time slot corresponding is obtained the data of equipment at the corresponding levels from the descending E1/T1 link that is connected with described higher level equipment; And the data corresponding with subordinate equipment in the described descending E1/T1 link are intersected by time slot, be crossed in the descending E1/T1 link that is connected with described subordinate equipment; In addition, time slot corresponding is obtained the data of described subordinate equipment from the up E1/T1 link that is connected with described subordinate equipment; After merging with data in the hold facility data slot at the corresponding levels, by the described higher level equipment transmission of the up E1/T1 chain road direction that is connected with described higher level equipment.
9. as the holdout device of downlink device service as described in the claim 6, it is characterized in that the restarting process that resets of described equipment at the corresponding levels is optimized, and described optimization comprises one or more in the following mode:
When described E1/T1 Interface chip and time slot cross unit are detected, do not influence the function of described E1/T1 Interface chip and time slot cross unit;
When described E1/T1 Interface chip carries out pseudo-random binary sequence PRBS self check, do not influence the function of described E1/T1 Interface chip and time slot cross unit;
When described time slot cross unit is carried out the logic loading, do not influence the function of described E1/T1 Interface chip and time slot cross unit.
10. as the holdout device of downlink device service as described in the claim 6, it is characterized in that, also comprise:
Standby power unit is used for when device looses power at the corresponding levels, and described E1/T1 Interface chip and time slot cross unit are powered, and is normal with the function operation that guarantees described E1/T1 Interface chip and time slot cross unit.
11. the holdout device as claim 6 to 10 downlink device service as described in each is characterized in that described subordinate equipment is the base station, described higher level equipment is base station or base station controller.
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| CN103517302B (en) * | 2012-06-25 | 2017-11-03 | 中兴通讯股份有限公司 | Microwave transport equipment and its rebooting method and device |
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| CN1213922A (en) * | 1997-07-25 | 1999-04-14 | 三星电子株式会社 | Apparatus for interfacing PDH network and ATM network |
| CN1816142A (en) * | 2005-07-15 | 2006-08-09 | 保定市天河电子技术有限公司 | Video-frequency data transmission system and method based on E1 interface |
| CN1867121A (en) * | 2006-01-25 | 2006-11-22 | 华为技术有限公司 | Method and apparatus for realizing 2G service non-interruption during 3G 2G co-transmission |
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Patent Citations (3)
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|---|---|---|---|---|
| CN1213922A (en) * | 1997-07-25 | 1999-04-14 | 三星电子株式会社 | Apparatus for interfacing PDH network and ATM network |
| CN1816142A (en) * | 2005-07-15 | 2006-08-09 | 保定市天河电子技术有限公司 | Video-frequency data transmission system and method based on E1 interface |
| CN1867121A (en) * | 2006-01-25 | 2006-11-22 | 华为技术有限公司 | Method and apparatus for realizing 2G service non-interruption during 3G 2G co-transmission |
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