CN1398066A - Physical-layer feedback method for treating synchronous state of wireless link and wireless frames - Google Patents
Physical-layer feedback method for treating synchronous state of wireless link and wireless frames Download PDFInfo
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- CN1398066A CN1398066A CN01126231A CN01126231A CN1398066A CN 1398066 A CN1398066 A CN 1398066A CN 01126231 A CN01126231 A CN 01126231A CN 01126231 A CN01126231 A CN 01126231A CN 1398066 A CN1398066 A CN 1398066A
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Abstract
This invention relates to a physical layer feed back process method of a wireless link wireless frame synchronous state. By quickly feeding back directly to the sending part of the wireless frame synchronous/desynchronous state tested by the receiver physical layer. The sending part deals with it according to the state of the wireless frame physical layer, espetically in the period of synchronization and desyn chronization transfer the receiving part of the physical layer feeds back to the sending part the mark position of synchronous/desynchronous state to make the sending part increase emit power of the desynchronizing wireless link to be stabilized at the synchronous state to reduce failure process of the link.
Description
Technical field
The present invention relates to WCDMA (WCDMA access system) mobile communication wireless link synchronization/desynchronizing state processing method, a kind of Radio Link physical layer state indication feedback method and a kind of better synchronous processing method of link physical layer that guarantee, be applicable to the mobile communication wireless link synchronization.
Prior art
The synchronous regime testing result of each radio frames of Radio Link can only be synchronously/the step-out two states, present way is to add up by the state outcome of some frames, adjudicate the synchronous/desynchronizing state of whole link, if after the unlimited link step-out, recovered by reshuffling by high level, the result to each radio frames does not handle.
Monitoring method to the up-link wireless link realizes in base station (NodeB) at present, and NodeB monitors the up-link wireless link and triggers the failure/process of reconstruction of Radio Link.Each Radio Link exists initial condition, desynchronizing state and 3 kinds of situations of synchronous regime, and Radio Link is changed between synchronous regime and desynchronizing state in case foundation just will be in synchronously or desynchronizing state.When the Radio Link collection is in synchronous regime, NodeB is if receive a specified quantity continuous step-out sign in the step-out indication register, then start the Radio Link Failure timer, if receive a specified quantity continuous sync id in the synchronous indication register again during timing, then the timer zero clearing also picks up counting again.If the Radio Link Failure timer is full, NodeB will trigger the Radio Link Failure process and notify this Radio Link of radio network controller (RNC) to lose synchronously, and after the Radio Link Failure process was activated, wireless chaining status changed step-out into.
When the Radio Link collection is in desynchronizing state, NodeB is if receive a specified quantity continuous synchronous mark in the synchronous indication register, then trigger the Radio Link process of reconstruction, and this Radio Link of informing network controller (RNC) is in synchronous process of reconstruction, at this moment, the state of Radio Link changes synchronous regime into.
Monitoring method to down wireless link is finished in subscriber terminal equipment (UE), and UE monitoring down wireless link is used to trigger Radio Link Failure process and up similar.
Former wireless chaining status detects in the processing method, when the Radio Link collection is in synchronous regime, the recipient is if receive a specified quantity continuous step-out sign in the step-out indication register, then start the Radio Link Failure timer, if the Radio Link Failure timer is full, then the wireless link and wireless Link State changes desynchronizing state into
At present the method that adopts has significant disadvantages, and after synchronous regime had started the Radio Link Failure timer, transmit leg was not about to change over to desynchronizing state and adopts any measure Radio Link is residing; Receive continuous synchronous indication register sign by desynchronizing state before, transmit leg does not adopt any measure to make link synchronous fast to the residing desynchronizing state of Radio Link yet, but only passive monitoring, report synchronously and desynchronizing state, the employing mode of reshuffling is recovered link, do not have initiatively the wireless link synchronization state that is about to step-out to be handled, realize the physical layer synchronization maintenance.
Summary of the invention
The objective of the invention is in order to overcome the existing defective that in time exists, and a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames that a kind ofly directly in physical layer radio frames being detected synchronously of proposing/step-out is fed back, in this method, receive direction transmit leg feedback wireless link synchronization/desynchronizing state, allow transmit leg as early as possible to being about to change over to the link employing corrective action of desynchronizing state, improve radio link performance, safeguard that Radio Link is in synchronous regime, reduce the step-out number of times; Also can adopt corrective action, make it return to synchronous regime as early as possible, improve communication quality the Radio Link that enters desynchronizing state.
In order to realize purpose of the present invention, the technical measures that the present invention takes are: a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, be characterized in, and may further comprise the steps:
A, at first make each radio frames of the physical channel that transmits in Radio Link carry one of expression synchronously or the indication of the feedback of desynchronizing state, this state is based on the physical layer detected state value that receives rightabout wireless link and wireless frame;
B, transmit leg send radio frames by air interface;
C, recipient detect the radio frames that transmit leg sends in physical layer, and detected radio frames state indication is fed back to transmit leg fast;
If the feedback states that the d transmit leg receives indication is the synchronous regime indication, then keep original Poewr control method; If the feedback states that transmit leg receives indication is the desynchronizing state indication, then adopt new Poewr control method, make desynchronizing state return to synchronous regime as early as possible.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, the new Poewr control method of the described employing of steps d is meant and increases the transmitting power step-length.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, for the up-link wireless link:
The base station side physical layer detects synchronous/desynchronizing state of each radio frames, and produces the indication of physical layer state, by the synchronous/desynchronizing state indication field notice subscriber terminal equipment at corresponding downward special physical channel; The subscriber terminal equipment side is after physical layer receives indication, control the up-link wireless link according to the state indicated value, if be the synchronous regime indication, Poewr control method is constant, if for the desynchronizing state indication, then begin to adopt new Poewr control method, increase the transmitting power step-length at the respective wireless frame, allow desynchronizing state return to synchronous regime as early as possible, the emission of better link performance is provided.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, for down wireless link:
Subscriber terminal equipment side physical layer detects the synchronous/desynchronizing state of each radio frames, and generation physical layer state indication, by synchronous/desynchronizing state indication field notice base station at corresponding special physical controlling channel of upward, after the base station physical layer receives indication, control according to the state indicated value, if be the synchronous regime indication, Poewr control method is constant, if be the desynchronizing state indication, then begin to adopt new Poewr control method at the respective wireless frame, increase the transmitting power step-length, allow desynchronizing state return to synchronous regime as early as possible, the emission of better link performance is provided.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, described each radio frames is carried a state feedback indication and is meant: in every frame the power control command territory of a time slot is changed into synchronously/desynchronizing state indication territory.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, for down physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state feedback indication territory is the 0th time slot in the frame.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, for down physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state feedback indication territory is other any one time slot in the frame.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, for uplink physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state indication territory is the 14th time slot in the frame.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, for uplink physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state indication territory is other any one time slot in the frame.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, the described processing method that allows desynchronizing state return to synchronous regime as early as possible: when the Radio Link collection is in desynchronizing state, the recipient is if receive a specified quantity continuous synchronous mark in the synchronous indication register, then trigger the Radio Link process of reconstruction, make the state of Radio Link change synchronous regime into.
Above-mentioned a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames, wherein, after the power control command of a time slot was taken by the state feedback indication in the described radio frames, the power control command of this time slot was realized by the previous time slot of this time slot.
The above technical measures because the present invention has sampled, directly the synchronous regime value (SSI) of each radio frames is fed back in physical layer, transmit leg is corrected according to the state of every frame, thereby make Radio Link just can significantly reduce the full probability of Radio Link Failure timer from synchronous regime to the desynchronizing state transfer process, thereby reduce the step-out number of times, keep wireless link synchronization, improve communication quality.
Description of drawings
Specific performance of the present invention, feature are further described by following embodiment and accompanying drawing thereof.
Fig. 1 is the frame structure schematic diagram of up DPDCH/DPCCH of the present invention;
Fig. 2 is the frame structure schematic diagram of descending DPDCH/DPCCH of the present invention;
Fig. 3 is up-downgoing state-detection of the present invention, feedback and control timing relation intention.
Embodiment
Physical-layer feedback method for treating synchronous state of wireless link and wireless frames of the present invention is that the recipient is in physical layer detects each radio frames synchronous regime, adopt state feedback mechanisms, in time notify transmit leg Radio Link physical layer synchronization/desynchronizing state by the feedback indication, transmit leg is responded fast, guarantee link synchronization.
Synchronous/desynchronizing state feedback the indicated value that the present invention relates to is a two states, is synchronous regime when SSI=0, is desynchronizing state when SSI=1.
For the up-link wireless link, NodeB side physical layer detects the synchronous/desynchronizing state of each radio frames, and produce physical layer state indication SSI, by the synchronous/desynchronizing state indication field notice UE at corresponding downward special physical channel (DPCH), the UE side is after physical layer receives indication, control according to the state indicated value, if SSI=0, Poewr control method is constant, if SSI=1, then begin to adopt to increase the transmitting power step-length, the emission of better link performance is provided at the respective wireless frame.
For down wireless link, UE side physical layer detects the synchronous/desynchronizing state of each radio frames, and produce physical layer state indication SSI, by synchronous/desynchronizing state indication field notice NodeB, after the NodeB physical layer receives indication at corresponding special physical controlling channel of upward (DPCCH), control according to the state indicated value, if SSI=0, Poewr control method is constant, if SSI=1, then begin to adopt to increase the transmitting power step-length, the emission of better link performance is provided at the respective wireless frame.
The physical channel structure change method that the present invention relates to is on existing physical channel structure basis, and every frame carries a state feedback indication.Because being every frame synchronously, radio frames detects once, so the present invention changes the power control command of a time slot (TPC) territory synchronously in every frame/desynchronizing state indication territory, please cooperate referring to Fig. 1, Fig. 2, this is the frame structure schematic diagram of uplink and downlink DPDCH/DPCCH of the present invention.Among the figure: Pilot is a pilot tone, and TFCI is the transformat combination indication, and FBI is the feedback indication, and SSI is the synchronous regime indication, and TPC is a power control command, N
PilotBe the pilot bits number, N
TFCIBe transformat combination indication bit number, N
FBIBe feedback indication bit number, N
TPCIBe power control commands indication bit number, N
SSIIt is synchronous regime indication bit number.For down physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state feedback indication territory is the 0th time slot or other any one time slot in the frame.For uplink physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state indication territory is the 14th time slot or other any one time slot in the frame.After the power control command time slot was taken by the state feedback indication in each radio frames, the power control command time slot in this frame was realized by the previous time slot of the power control command time slot of this frame.For example: after being taken by synchronous regime indication SSI for the time slot 0 power control command TPC of the time slot 14 power control command TPC of down link and up link, the processing method of its corresponding time slot is that the time slot 14 power control command TPC of down link are identical with time slot 13, and the time slot 0 power control command TPC of up link is identical with the time slot 14 of previous frame.
Poewr control method of the present invention mainly is when feedback information is desynchronizing state, and the Poewr control method that transmit leg adopts is different with the Poewr control method of synchronous regime.SSI=0 under radio frames synchronous situation of Radio Link physical layer, Poewr control method requires to carry out power control according to present agreement regulation; SSI=1 under radio frames step loss condition of Radio Link physical layer, the step-length that power control is adopted is longer than synchronous regime.
Physical layer synchronization of the present invention/desynchronizing state shifts and reports wireless link synchronization/desynchronizing state situation and be consistent in the past to high level.
Further describe feature of the present invention below in conjunction with an embodiment.
Ask for an interview Fig. 3, described the detection of this up-downgoing radio frames synchronous regime, feedback and control timing relation among Fig. 3.Among this embodiment, for the detected state feedback information receiver side in time propagates into transmitter side, the TPC of No. 15 time slot of down physical channel radio frames is replaced by state indication SSI, and the TPC of No. 1 time slot of uplink physical channel radio frames is replaced by SSI.
For down link, the base station node B end sends the feedback states indication, through after certain propagation time, the subscriber terminal equipment UE end can adopt based on the quality testing of DPCCH the radio frames that receives and carry out the synchronous regime judgement, if this frame signal quality is good, be synchronous regime, then fill out 0 in the SSI territory of the time slot 0 of the up DPCCH radio frames of the correspondence of UE end, otherwise synchronously, SSI does not fill out 1 in the territory to this radio frames; The UE side sends the up-link wireless frame, and through after certain propagation time, NodeB obtains the synchronous regime indication in the SSI territory of the time slot 0 of the every frame of up link, and whether carries out step-out at as shown in the figure down link according to this indicated value and correct.
For up link, UE holds transmission, the NodeB termination is received, synchronous regime detects in the NodeB side, the indication of synchronous regime feedback sends in the SSI territory of the time slot 14 of the every frame of down link, after the UE side is obtained this up-link wireless frame synchronization state indicated value, whether carry out step-out according to this indicated value decision in up link as shown in the figure and correct.
When the Radio Link collection was in desynchronizing state, the recipient then triggered the Radio Link process of reconstruction if receive a specified quantity continuous synchronous mark in the synchronous indication register, and the state of Radio Link changes synchronous regime into; Because adopting, this method directly the synchronous regime value (SSI) of each radio frames is fed back in physical layer, transmit leg is also corrected according to the state of every frame, transmit leg is known the link processing desynchronizing state in the process of recipient's specified quantity continuous synchronous mark in receiving synchronous indication register so, then can take measures, as improve the Radio Link transmitting power, thereby accelerate wireless link synchronization speed.
Claims (11)
1, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames is characterized in that, may further comprise the steps:
A, at first make each radio frames of the physical channel that transmits in Radio Link carry one of expression synchronously or the indication of the feedback of desynchronizing state, this state is based on the physical layer detected state value that receives rightabout wireless link and wireless frame;
B, transmit leg send radio frames by air interface;
C, recipient detect the radio frames that transmit leg sends in physical layer, and detected radio frames state indication is fed back to transmit leg fast;
If the feedback states that the d transmit leg receives indication is the synchronous regime indication, then keep original Poewr control method; If the feedback states that transmit leg receives indication is the desynchronizing state indication, then adopt new Poewr control method, make desynchronizing state return to synchronous regime as early as possible.
2, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 is characterized in that, the new Poewr control method of the described employing of steps d is meant and increases the transmitting power step-length.
3, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 is characterized in that, for the up-link wireless link:
The base station side physical layer detects synchronous/desynchronizing state of each radio frames, and produces the indication of physical layer state, by the synchronous/desynchronizing state indication field notice subscriber terminal equipment at corresponding downward special physical channel; The subscriber terminal equipment side is after physical layer receives indication, control the up-link wireless link according to the state indicated value, if be the synchronous regime indication, Poewr control method is constant, if for the desynchronizing state indication, then begin to adopt new Poewr control method, increase the transmitting power step-length at the respective wireless frame, allow desynchronizing state return to synchronous regime as early as possible, the emission of better link performance is provided.
4, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 is characterized in that, for down wireless link:
Subscriber terminal equipment side physical layer detects the synchronous/desynchronizing state of each radio frames, and generation physical layer state indication, by synchronous/desynchronizing state indication field notice base station at corresponding special physical controlling channel of upward, after the base station physical layer receives indication, control according to the state indicated value, if be the synchronous regime indication, Poewr control method is constant, if be the desynchronizing state indication, then begin to adopt new Poewr control method at the respective wireless frame, increase the transmitting power step-length, allow desynchronizing state return to synchronous regime as early as possible, the emission of better link performance is provided.
5, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 and 2, it is characterized in that described each radio frames is carried a state feedback indication and is meant: in every frame the power control command territory of a time slot is changed into synchronously/desynchronizing state indication territory.
6, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 and 2, it is characterized in that, for down physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state feedback indication territory is the 0th time slot in the frame.
7, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 and 2, it is characterized in that, for down physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state feedback indication territory is other any one time slot in the frame.
8, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 and 2, it is characterized in that, for uplink physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state indication territory is the 14th time slot in the frame.
9, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1 and 2, it is characterized in that, for uplink physical channel carry synchronously/frame structure of desynchronizing state information in, its synchronously/desynchronizing state indication territory is other any one time slot in the frame.
10, a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames according to claim 1, it is characterized in that, the described processing method that allows desynchronizing state return to synchronous regime as early as possible: when the Radio Link collection is in desynchronizing state, the recipient is if receive a specified quantity continuous synchronous mark in the synchronous indication register, then trigger the Radio Link process of reconstruction, make the state of Radio Link change synchronous regime into.
11, according to each described a kind of physical-layer feedback method for treating synchronous state of wireless link and wireless frames in the claim 1,6,7,8,9, it is characterized in that, after the power control command of a time slot was taken by the state feedback indication in the described radio frames, the power control command of this time slot was realized by the previous time slot of this time slot.
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| CNB011262311A CN1145291C (en) | 2001-07-18 | 2001-07-18 | Physical-layer feedback method for treating synchronous state of wireless link and wireless frames |
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| CNB011262311A CN1145291C (en) | 2001-07-18 | 2001-07-18 | Physical-layer feedback method for treating synchronous state of wireless link and wireless frames |
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Cited By (12)
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| CN100399312C (en) * | 2004-09-02 | 2008-07-02 | 国际商业机器公司 | Automatic hardware data link initialization method and system |
| CN100455097C (en) * | 2006-11-27 | 2009-01-21 | 华为技术有限公司 | Solution method for call loss and wireless network controller |
| CN101132616B (en) * | 2006-08-25 | 2010-05-12 | 华为技术有限公司 | Method for indicating switch-over successful or not in switching course |
| CN101821968A (en) * | 2007-08-14 | 2010-09-01 | 株式会社Ntt都科摩 | Base station apparatus and transmission control method |
| CN102036284A (en) * | 2009-09-30 | 2011-04-27 | 华为技术有限公司 | Method and device for processing radio link failure under carrier aggregation scene |
| CN101325446B (en) * | 2007-06-14 | 2012-05-09 | 中兴通讯股份有限公司 | Method and device for detecting step-out based on multimedia broadcast multicast service business |
| CN102571304A (en) * | 2010-12-20 | 2012-07-11 | 中兴通讯股份有限公司 | Method and system for sending packet uplink response |
| CN103037461A (en) * | 2011-09-30 | 2013-04-10 | 华为技术有限公司 | Wireless connection reconstruction method, user equipment and base station |
| WO2013182146A3 (en) * | 2013-03-22 | 2014-02-20 | 中兴通讯股份有限公司 | Method and device for processing radio link failure |
| CN103037461B (en) * | 2011-09-30 | 2016-12-14 | 华为技术有限公司 | Wireless connections method for reconstructing, subscriber equipment and base station |
| CN109413690A (en) * | 2017-08-18 | 2019-03-01 | 维沃移动通信有限公司 | A kind of measurement report method, mobile terminal and the network side equipment of multi-beam |
| CN114040492A (en) * | 2021-11-25 | 2022-02-11 | 福建晶一科技有限公司 | Forwarding interface layer synchronization method based on custom Ethernet frame |
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| CN100399312C (en) * | 2004-09-02 | 2008-07-02 | 国际商业机器公司 | Automatic hardware data link initialization method and system |
| CN101132616B (en) * | 2006-08-25 | 2010-05-12 | 华为技术有限公司 | Method for indicating switch-over successful or not in switching course |
| CN100455097C (en) * | 2006-11-27 | 2009-01-21 | 华为技术有限公司 | Solution method for call loss and wireless network controller |
| CN101325446B (en) * | 2007-06-14 | 2012-05-09 | 中兴通讯股份有限公司 | Method and device for detecting step-out based on multimedia broadcast multicast service business |
| CN101821968B (en) * | 2007-08-14 | 2013-05-22 | 株式会社Ntt都科摩 | Base station apparatus and transmission control method |
| CN101821968A (en) * | 2007-08-14 | 2010-09-01 | 株式会社Ntt都科摩 | Base station apparatus and transmission control method |
| CN102036284A (en) * | 2009-09-30 | 2011-04-27 | 华为技术有限公司 | Method and device for processing radio link failure under carrier aggregation scene |
| CN102036284B (en) * | 2009-09-30 | 2013-08-28 | 华为技术有限公司 | Method and device for processing radio link failure under carrier aggregation scene |
| CN102571304A (en) * | 2010-12-20 | 2012-07-11 | 中兴通讯股份有限公司 | Method and system for sending packet uplink response |
| CN102571304B (en) * | 2010-12-20 | 2014-11-19 | 上海中兴软件有限责任公司 | Method and system for sending packet uplink response |
| CN103037461A (en) * | 2011-09-30 | 2013-04-10 | 华为技术有限公司 | Wireless connection reconstruction method, user equipment and base station |
| CN103037461B (en) * | 2011-09-30 | 2016-12-14 | 华为技术有限公司 | Wireless connections method for reconstructing, subscriber equipment and base station |
| US9992811B2 (en) | 2011-09-30 | 2018-06-05 | Huawei Technologies Co., Ltd | Radio connection re-establishment method, user equipment and base station |
| US10314100B2 (en) | 2011-09-30 | 2019-06-04 | Huawei Technologies Co., Ltd. | Radio connection re-establishment method, user equipment and base station |
| WO2013182146A3 (en) * | 2013-03-22 | 2014-02-20 | 中兴通讯股份有限公司 | Method and device for processing radio link failure |
| CN109413690A (en) * | 2017-08-18 | 2019-03-01 | 维沃移动通信有限公司 | A kind of measurement report method, mobile terminal and the network side equipment of multi-beam |
| CN109413690B (en) * | 2017-08-18 | 2020-09-29 | 维沃移动通信有限公司 | Multi-beam measurement reporting method, mobile terminal and network side equipment |
| CN114040492A (en) * | 2021-11-25 | 2022-02-11 | 福建晶一科技有限公司 | Forwarding interface layer synchronization method based on custom Ethernet frame |
| CN114040492B (en) * | 2021-11-25 | 2023-08-18 | 福建晶一科技有限公司 | Forward interface layer synchronization method based on custom Ethernet frame |
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