CN100591174C - Remote end apparatus transmission rate adaptive approach and device - Google Patents
Remote end apparatus transmission rate adaptive approach and device Download PDFInfo
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- CN100591174C CN100591174C CN200710178020A CN200710178020A CN100591174C CN 100591174 C CN100591174 C CN 100591174C CN 200710178020 A CN200710178020 A CN 200710178020A CN 200710178020 A CN200710178020 A CN 200710178020A CN 100591174 C CN100591174 C CN 100591174C
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Abstract
The invention discloses a self-adaptation method for remote equipment transmission rate comprising: receiving data from upper level primary device to acquire present rate of primary device; comparingmaximum threshold of present rate and rate of slave device; if the two thresholds are equal, the slave device set self rate to be identical with that of primary device; if present rate is bigger thanmaximum threshold of slave device rate, the slave device request the primary device for reducing rate; if the present rate is less than maximum threshold of slave device rate, slave device request theprimary device to promote rate. The invention can be agilely implemented and guarantee reliable operation for communication system. The invention also provides a self-adaptation device for rate of remote device and a device for controlling rate self-adaptation of remote device.
Description
Technical field
The present invention relates to communication technical field, relate in particular to far-end equipment transmission rate adaptive approach and device in communication system base station (Node B) design.
Background technology
In the communication system, because the requirement of system configuration, (BaseBand Unit, BBU) (Remote Equipment RE) forms with several far-end equipment by a local Base Band Unit in the wireless base station.Generally, BBU is connected with first order RE, and first order RE is connected with second level RE, by that analogy.RE directly or indirectly is connected to local BBU by optical fiber or cable, RE is connected topological structure and comprises multiple with BBU, referring to Fig. 1, a plurality of RE are serial or the point-to-point BBU that is connected to simply, wherein, RE10, RE100, RE1000 are first order RE, and RE101, RE1001 are second level RE, and RE1002 is third level RE.Referring to Fig. 2, the Star topology connection layout between a plurality of RE and the BBU, wherein, RE20 is first order RE, RE21 is second level RE.Referring to Fig. 3, a plurality of RE are connected to BBU with annular, and wherein, RE30 and RE300 are first order RE, and RE31 and RE301 are second level RE.From above-mentioned accompanying drawing, be not difficult to find out, BBU be with first order RE from port communications, first order RE communicates by letter with second level RE by main mouthful, by that analogy.Above these several connected modes can interosculate, form complicated topological structure more.
Wherein, RE is controlled by local BBU, RE is before operate as normal, need at first to set up and the control signaling of BBU and being connected of business data transmission passage, the control signaling between BBU and the RE and the transmission of business datum need all be operated under the same transmission rate and could carry out normally at BBU and RE.In existing base station design scheme, BBU and RE only support a kind of speed, can not change, BBU and RE default configuration become given pace, so this mode is dumb, change speed if desired, must change the hardware and software of BBU and RE, unification is configured to new speed, and, this unified prerequisite of changing is to know the speed of BBU, yet, in practical operation, BBU may be the product of different manufacturers, can't obtain the speed of BBU, the speed that this can cause reconfiguring RE influences the transmitting-receiving of normal data.
Summary of the invention
In view of this, the invention provides a kind of method and device of RE rate adaptive transmission, to overcome the problem that existing scheme is dumb, influence the normal data transmitting-receiving.
For this reason, the embodiment of the invention adopts following technical scheme:
A kind of far-end equipment transmission rate adaptive approach comprises: step a: receive data from the upper level main equipment as the remote equipment of slave unit, thereby know the main equipment present rate; Step b: more described present rate and slave device rate max-thresholds, if the two equates that slave unit self transmission speed is set to the main equipment present rate; If present rate is greater than the slave device rate max-thresholds, the described main equipment changing down of slave unit request; If present rate is less than the slave device rate max-thresholds, the described main equipment of slave unit request improves speed.
After described main equipment receives the changing down request, carry out following steps: relatively present rate and main equipment speed minimum threshold: if the two equate, send with the present rate access to described slave unit and respond; If present rate greater than main equipment speed minimum threshold, reduces present rate, and notifies described slave unit.
Described main equipment is carried out following steps after receiving and improving rate request: relatively present rate and main equipment speed max-thresholds: if the two equate, send with the present rate access to described slave unit and respond; If present rate less than main equipment speed max-thresholds, improves present rate, and notifies described slave unit.
Also comprise: described slave unit is adjusted into the main equipment present rate with self access rate after the access response that receives described main equipment; After described slave unit receives the notice of described main equipment, repeat described step a and step b.
Described main equipment is meant local baseband equipment, perhaps is meant the remote equipment of described slave unit upper level.
The adaptive control device of a kind of far-end equipment transmission rate, this device is arranged in the remote equipment of base station radio system, comprise the interface unit that communicates with remote equipment upper level main equipment, also comprise: the rate identification unit, be used for data, discern described main equipment present rate by described interface unit reception; The rate-valve value unit is used to be provided with self speed max-thresholds; Comparing unit is used for more described present rate and self speed max-thresholds, if the two is equal, sends and inserts notice, reduces notice if present rate greater than the speed max-thresholds, is sent, if present rate, is sent the raising notice less than the speed max-thresholds; Control unit, when described comparing unit sends the access notice, control described remote equipment with the present rate access communication system, if sending, described comparing unit reduces notice, control described interface unit and send the request of reduction access rate to described main equipment, improve notice if described comparing unit sends, control described interface unit and send the request that improves access rate to described main equipment.
Described interface unit also is used to receive the access response of described main equipment; Described control unit is controlled described remote equipment with main equipment present rate access communication system after described interface unit receives the access response.
The adaptive device of a kind of control far-end equipment transmission rate, this device is arranged in the main equipment of base station radio system, described remote equipment is the slave unit of described main equipment, described device comprises the interface module of communicating by letter with slave unit, described interface module receives slave unit changing down request or improves rate request, described device also comprises: the rate-valve value module is used to be provided with main equipment speed max-thresholds and speed minimum threshold; Respond module, after described interface module receives reduction or improves rate request, utilize relatively main equipment present rate and described speed max-thresholds or minimum threshold, carry out the operation that reduces or improve speed, and control described interface module and insert response with adjusted speed to described slave unit feedback.
Described respond module further comprises: reduce the request processing sub, when described interface module receives the changing down request, be used for comparison main equipment present rate and main equipment speed minimum threshold, if the two equates, controlling described interface module sends with present rate access response to described slave unit, if present rate greater than main equipment speed minimum threshold, reduces present rate, and control described interface module and notify described slave unit to insert with the present rate after reducing; Improve the request processing sub, when described interface module receives the raising rate request, be used for comparison main equipment present rate and main equipment speed max-thresholds, if the two equates, controlling described interface module sends with present rate access response to described slave unit, if present rate less than main equipment speed max-thresholds, improves present rate, and control described interface module and notify described slave unit to insert with the present rate after improving.
This main equipment is meant local baseband equipment, perhaps is meant the remote equipment of described slave unit upper level.
In the present invention, pass through the present rate of identification upper level main equipment as the RE of slave unit, by relatively main equipment speed and self speed max-thresholds, the request main equipment reduces or improves transmission rate, thus assurance RE the most at last self speed be adjusted into main equipment speed.The present invention is very flexible, and is easy to realize, does not need manual setting.RE among the present invention can discern the present rate of the various BBU of producer automatically, guarantees the reliability service of communication system.
Description of drawings
Fig. 1 is the serial topology schematic diagram of BBU and RE;
Fig. 2 is the Star topology figure of BBU and RE;
Fig. 3 is the ring topology figure of BBU and RE;
Fig. 4 is the inventive method flow chart;
Fig. 5 is the inventive method main equipment, slave unit process chart;
Fig. 6 is the inventive method instance processes flow chart;
Fig. 7 is a main equipment structural representation of the present invention;
Fig. 8 is a slave unit structural representation of the present invention.
Embodiment
Core of the present invention is that slave unit is according to the main equipment transmission rate, and by comparing main equipment speed and self speed max-thresholds, the request main equipment reduces or improve transmission rate.Wherein, main equipment is BBU or RE, and slave unit is the next stage RE of main equipment, and for example, if main equipment is BBU, slave unit is first order RE so, if main equipment is first order RE, slave unit is second level RE so, and the rest may be inferred.With the 3rd group of RE among Fig. 1 is example, and BBU and RE1000, RE1000 and RE1001, RE1001 and RE1002 are respectively three groups of main equipments and slave unit.
Referring to Fig. 4, be the inventive method flow chart, comprising:
Step 401: slave unit receives the main equipment data, knows the main equipment present rate;
Step 402: more described main equipment present rate of slave unit and slave device rate max-thresholds, if the two equate, execution in step 403, if the main equipment present rate greater than the slave device rate max-thresholds, execution in step 404, otherwise, execution in step 405;
Step 403: slave unit self speed is set to main equipment speed;
Step 404: the described main equipment changing down of slave unit request;
Step 405: the described main equipment of slave unit request improves speed.
In the specific implementation, receive the data of upper level main equipment as the RE of slave unit, determine clock frequency by the data that receive, know the main equipment present rate, reference clock frequency by this clock frequency and self setting compares then, finally determines it is to reduce or improve speed to master devices request.The present invention can pass through software, hardware or software and hardware combination and realize in main equipment, slave unit, for example, can pass through field programmable logic array (Field Programmable Gate Array, FPGA) realize, or by CPLD (Complex Programmable LogicDevice, CPLD) realize or the like that the present invention does not limit the specific implementation form.
Referring to Fig. 5, be main equipment, the concrete implementing procedure figure of slave unit.
Wherein,
V
Ch: the main equipment present rate, this value is promptly represented up-to-date main equipment speed for dynamic;
V
Maxh: main equipment maximum rate threshold value;
V
Minh: the main equipment minimum velocity threshold;
V
Maxs: slave unit maximum rate threshold value;
V
Mins: the slave unit minimum velocity threshold.
Fig. 5 may further comprise the steps:
Step 501: main equipment sends data to slave unit;
Step 502: slave unit detects the main equipment data, knows main equipment present rate V
Ch
Step 503: slave unit is V relatively
ChWith V
MaxsIf, V
Ch=V
Maxs, if execution in step 504 is V
Ch＜V
Maxs, if execution in step 505～step 508 branch is V
Ch＞V
Maxs, execution in step 509～step 512 branch;
Step 504: slave unit is with V
Ch(be V
Maxs) insert;
Step 505: slave unit sends to main equipment and improves the access rate request;
Step 506: main equipment is V relatively
ChWith V
MaxhIf, V
Ch=V
Maxh, if execution in step 507 is V
Ch＜V
Maxh, execution in step 508;
Step 507: main equipment sends with V to slave unit
ChInsert response, then, forward step 504 to;
Step 508: main equipment improves speed V
Ch, forward step 503 then to;
Step 509: slave unit sends to main equipment and reduces the access rate request;
Step 510: main equipment is V relatively
ChWith V
MinhIf, V
Ch=V
Minh, if execution in step 511 is V
Ch＞V
Maxh, execution in step 512;
Step 511: main equipment sends with V to slave unit
ChInsert response, then, forward step 504 to;
Step 512: main equipment changing down V
Ch, forward step 503 then to.
As seen, by the interaction adjustment of main equipment and slave unit, thereby guarantee that finally RE is adjusted into main equipment speed with self speed, easily realize flexibly, do not need manual setting, no matter and the BBU equipment of each producer can realize automatically, guarantee the reliability service of communication system.
Speed adjustment with RE30 among Fig. 3 describes below.
Suppose that BBU and RE among Fig. 3 support three kinds of speed, are respectively 1X, 2X and 4X.
RE30 inside is provided with FPGA and realizes the rate adaptation adjustment, wherein, FPGA provides a reference clock clk1 and an identification clock clk2, and two clocks are controlled two counter cont1 and cont2 respectively, and two Counter Values correspond respectively to slave unit maximum rate threshold value V
MaxsWith main equipment present rate V
ChRE30 passes through to start and compare the numerical value of two counters, and then judges whether to adjust access rate.
Referring to Fig. 6, be the method example flow chart, comprising:
Step 601: reference clock begins counting;
Step 602: the clock frequency of the data that identification receives;
Step 603: specified data transmitting-receiving speed;
Does step 604: data transmit-receive speed need to adjust? if, execution in step 605, otherwise, execution in step 606;
Step 605: the rate controlled that on-the-fly modifies principal and subordinate's mouth of fpga chip;
Step 606: the transmitting-receiving control and the access of data.
The relation of cnt1 and cnt2 is divided into following several:
1. the V of cnt1=cnt2 RE30
MaxsWith main equipment BBU present rate V
ChEquate;
2. the V of cnt1=cnt2＞＞1 RE30
MaxsBe main equipment BBU present rate V
Ch1/2;
3. the V of cnt1=cnt2＞＞2 RE30
MaxsBe main equipment BBU present rate V
Ch1/4;
4. cnt1＞＞V of 1=cnt2 RE30
MaxsBe main equipment BBU present rate V
Ch2 times;
5. cnt1＞＞V of 2=cnt2 RE30
MaxsBe main equipment BBU present rate V
Ch4 times.
Wherein,＞＞1 expression moves to right 1, and＞＞2 expressions move to right 2.
For situation 1., RE30 can directly adopt V
Ch2. and situation 3. insert, for, RE30 can ask BBU to reduce access rate V
Ch4. and situation 5., for, RE30 can ask BBU to improve access rate V
Ch
Corresponding with said method, these people also provide a kind of rate adaptation device, and this device is arranged in the RE of base station radio system as slave unit, can realize with the form of hardware or software, for example can adopt the form of FPGA to realize.
Referring to Fig. 7, this device also comprises rate identification unit 702, rate-valve value unit 703, comparing unit 704 and control unit except comprising the interface unit 701 that communicates with main equipment.
Wherein,
The rate identification unit 702 main data of being responsible for by interface unit 701 receptions identify the main equipment present rate;
Rate-valve value unit 703 is used to be provided with self speed max-thresholds;
Comparing unit 704 is used for more described present rate and self speed max-thresholds, if the two equates, send and insert notice, reduce notice if present rate greater than the speed max-thresholds, is sent, if less than the speed max-thresholds, sending, present rate improves notice;
Control unit 705, when comparing unit 704 sends the access notice, control described slave unit with the present rate access communication system, if sending, comparing unit 704 reduces notice, control interface unit 701 sends to described main equipment and reduces the access rate request, improve notice if comparing unit 704 sends, control interface unit 701 sends the request that improves access rate to described main equipment.
Finally, this device utilizes main equipment adjustment indication, with the adjusted speed access communication system of main equipment.At this moment, interface unit 701 also is used to receive the access response of described main equipment; Control unit 705 is controlled described slave unit with main equipment present rate access communication system after interface unit 701 receives the access response.
Simultaneously, the present invention also provides a kind of device of the RE of control rate adaptation, and this device is arranged in the main equipment of base station radio system, described RE is the slave unit of described main equipment, wherein, main equipment herein is meant BBU, perhaps is meant the RE as the upper level of the RE of slave unit.
Referring to Fig. 8, this device comprises outside the interface module 801 of communicating by letter with slave unit, also comprises rate-valve value module 802 and respond module 803.
Wherein,
Rate-valve value module 802 is used to be provided with main equipment speed max-thresholds and speed minimum threshold;
Respond module 803 is after interface module 801 receives reduction or improves rate request, utilize relatively main equipment present rate and speed max-thresholds or minimum threshold, carry out the operation that reduces or improve speed, and control interface module 801 inserts response to described slave unit feedback with adjusted speed.
Particularly, above-mentioned respond module 803 comprises that further reducing request processing sub 8031 asks processing sub 8032 with improving.
Reduce request processing sub 8031 when interface module 801 receives the changing down request, be used for comparison main equipment present rate and main equipment speed minimum threshold, if the two equates, controlling described interface module 801 sends with present rate access response to described slave unit, if present rate is greater than main equipment speed minimum threshold, reduce present rate, and control described interface module 801 and notify described slave unit to insert with the present rate after reducing;
Improve request processing sub 8032 when interface module 801 receives the raising rate request, be used for comparison main equipment present rate and main equipment speed max-thresholds, if the two equates, control interface module 801 sends with present rate to described slave unit and inserts response, if present rate is less than main equipment speed max-thresholds, improve present rate, and control interface module 801 notifies described slave unit to insert with the present rate after improving.
Specific implementation details about device provided by the invention can be referring to method embodiment.
Thus, in the present invention, as the RE of slave unit present rate, by relatively main equipment speed and self speed max-thresholds by identification upper level main equipment, the request main equipment reduces or improves transmission rate, thus guarantee RE the most at last self speed be adjusted into main equipment speed.The present invention is very flexible, and is easy to realize, does not need manual setting.RE among the present invention can discern the present rate of the various BBU of producer automatically, guarantees the reliability service of communication system.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of far-end equipment transmission rate adaptive approach is characterized in that, comprising:
Step a: receive data as the remote equipment of slave unit, thereby know the main equipment present rate from the upper level main equipment;
Step b: more described present rate and slave device rate max-thresholds, if the two equates that slave unit self transmission speed is set to the main equipment present rate; If present rate is greater than the slave device rate max-thresholds, the described main equipment changing down of slave unit request; If present rate is less than the slave device rate max-thresholds, the described main equipment of slave unit request improves speed.
2, according to the described method of claim 1, it is characterized in that, after described main equipment receives the changing down request, carry out following steps:
Compare present rate and main equipment speed minimum threshold:
If the two equates, send with present rate to described slave unit and insert response;
If present rate greater than main equipment speed minimum threshold, reduces present rate, and notifies described slave unit.
According to the described method of claim 1, it is characterized in that 3, described main equipment is carried out following steps after receiving and improving rate request:
Compare present rate and main equipment speed max-thresholds:
If the two equates, send with present rate to described slave unit and insert response;
If present rate less than main equipment speed max-thresholds, improves present rate, and notifies described slave unit.
4, according to claim 2 or 3 described methods, it is characterized in that, also comprise:
Described slave unit is adjusted into the main equipment present rate with self access rate after the access response that receives described main equipment;
After described slave unit receives the notice of described main equipment, repeat described step a and step b.
According to the described method of claim 4, it is characterized in that 5, described main equipment is meant local baseband equipment, perhaps be meant the remote equipment of described slave unit upper level.
6, the adaptive control device of a kind of far-end equipment transmission rate, this device is arranged in the remote equipment of base station radio system, comprises the interface unit that communicates with remote equipment upper level main equipment, it is characterized in that, also comprises:
The rate identification unit is used for the data by described interface unit reception, discerns described main equipment present rate;
The rate-valve value unit is used to be provided with self speed max-thresholds;
Comparing unit is used for more described present rate and self speed max-thresholds, if the two is equal, sends and inserts notice, reduces notice if present rate greater than the speed max-thresholds, is sent, if present rate, is sent the raising notice less than the speed max-thresholds;
Control unit, when described comparing unit sends the access notice, control described remote equipment with the present rate access communication system, if sending, described comparing unit reduces notice, control described interface unit and send the request of reduction access rate to described main equipment, improve notice if described comparing unit sends, control described interface unit and send the request that improves access rate to described main equipment.
7, according to the described device of claim 6, it is characterized in that,
Described interface unit also is used to receive the access response of described main equipment;
Described control unit is controlled described remote equipment with main equipment present rate access communication system after described interface unit receives the access response.
8, the adaptive device of a kind of control far-end equipment transmission rate, this device is arranged in the main equipment of base station radio system, described remote equipment is the slave unit of described main equipment, described device comprises the interface module of communicating by letter with slave unit, it is characterized in that, described interface module receives slave unit changing down request or improves rate request, and described device also comprises:
The rate-valve value module is used to be provided with main equipment speed max-thresholds and speed minimum threshold;
Respond module, after described interface module receives reduction or improves rate request, utilize relatively main equipment present rate and described speed max-thresholds or minimum threshold, carry out the operation that reduces or improve speed, and control described interface module and insert response with adjusted speed to described slave unit feedback.
9, described according to Claim 8 device is characterized in that, described respond module further comprises:
Reduce the request processing sub, when described interface module receives the changing down request, be used for comparison main equipment present rate and main equipment speed minimum threshold, if the two equates, controlling described interface module sends with present rate access response to described slave unit, if present rate greater than main equipment speed minimum threshold, reduces present rate, and control described interface module and notify described slave unit to insert with the present rate after reducing;
Improve the request processing sub, when described interface module receives the raising rate request, be used for comparison main equipment present rate and main equipment speed max-thresholds, if the two equates, controlling described interface module sends with present rate access response to described slave unit, if present rate less than main equipment speed max-thresholds, improves present rate, and control described interface module and notify described slave unit to insert with the present rate after improving.
10, according to Claim 8 or 9 described devices, it is characterized in that this main equipment is meant local baseband equipment, perhaps be meant the remote equipment of described slave unit upper level.
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| CN200710178020A CN100591174C (en) | 2007-11-23 | 2007-11-23 | Remote end apparatus transmission rate adaptive approach and device |
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| CN102131248B (en) * | 2010-01-19 | 2013-12-04 | 华为技术有限公司 | Rate negotiation method, data transmission system and related equipment |
| CN102201887A (en) * | 2010-03-23 | 2011-09-28 | 深圳市金蝶中间件有限公司 | Method and device for controlling socket transmission rate |
| CN102447526A (en) * | 2010-10-13 | 2012-05-09 | 大唐移动通信设备有限公司 | Rate adaptation method and device between RRU (Radio Remote Unit) and BBU (Building Base band Unit) |
| CN102447525B (en) * | 2010-10-13 | 2014-08-27 | 大唐移动通信设备有限公司 | Method and equipment for speed adaptive matching between RRU (radio remote unit) and BBU (baseband unit) |
| CN102355321A (en) * | 2011-06-29 | 2012-02-15 | 中兴通讯股份有限公司 | Multi-rate self-adaption method of communication interface and system |
| CN102625375B (en) * | 2011-11-04 | 2016-02-24 | 中兴通讯股份有限公司 | A kind of radio communication device and traffic rate control method thereof |
| CN103686055B (en) * | 2012-09-24 | 2017-05-10 | 中兴通讯股份有限公司 | Processing method and device for packet loss compensation in television conference system |
| CN103067133B (en) * | 2012-12-31 | 2015-11-04 | 北京配天技术有限公司 | The adaptive approach of communication speed |
| CN107888442B (en) | 2016-09-30 | 2021-05-14 | 华为技术有限公司 | Port rate determining method and computer equipment |
| CN107995661A (en) * | 2017-10-25 | 2018-05-04 | 武汉米风通信技术有限公司 | Adaptation rate transmission method based on link budget |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256602A (en) * | 1998-11-20 | 2000-06-14 | 日本电气株式会社 | Data grouping multiplex insertion communication method and emitting and receiving apparatus thereof |
| CN1399446A (en) * | 2001-07-25 | 2003-02-26 | 华为技术有限公司 | Speed-limiting IP fax method and gateway speed-limiting method in IP fax |
| CN1747359A (en) * | 2005-09-12 | 2006-03-15 | 北京邮电大学 | Self-adaptive rate control based on load in mobile telecommunication system |
| CN1937592A (en) * | 2003-05-19 | 2007-03-28 | 日本电气株式会社 | Rate control method and apparatus for data packet transmission |
-
2007
- 2007-11-23 CN CN200710178020A patent/CN100591174C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256602A (en) * | 1998-11-20 | 2000-06-14 | 日本电气株式会社 | Data grouping multiplex insertion communication method and emitting and receiving apparatus thereof |
| CN1399446A (en) * | 2001-07-25 | 2003-02-26 | 华为技术有限公司 | Speed-limiting IP fax method and gateway speed-limiting method in IP fax |
| CN1937592A (en) * | 2003-05-19 | 2007-03-28 | 日本电气株式会社 | Rate control method and apparatus for data packet transmission |
| CN1747359A (en) * | 2005-09-12 | 2006-03-15 | 北京邮电大学 | Self-adaptive rate control based on load in mobile telecommunication system |
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