CN104811944B - A kind of network assistance disturbance restraining method - Google Patents
A kind of network assistance disturbance restraining method Download PDFInfo
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- CN104811944B CN104811944B CN201410032810.5A CN201410032810A CN104811944B CN 104811944 B CN104811944 B CN 104811944B CN 201410032810 A CN201410032810 A CN 201410032810A CN 104811944 B CN104811944 B CN 104811944B
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- user equipment
- interference
- base station
- message
- interfered
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0059—Out-of-cell user aspects
Abstract
A method of reducing interference on the user equipment being interfered in a wireless communication system, wherein the user equipment being interfered is interfered by least one user equipment for being generated interference from other cells, the method includes：The user equipment being interfered receives the first message sent from the serving BS of the user equipment for generating interference, wherein the first message includes content related with the scheduling information for the user equipment for generating interference described in blind decoding；The user equipment being interfered generates the scheduling information of the user equipment of interference according to the first message on the Physical Downlink Control Channel of the serving BS of the user equipment for generating interference described in blind decoding.
Description
Technical field
The present invention relates to field of communication technology more particularly to wireless communication technology fields.
Background technology
In wireless communication field, problem of inter-cell interference is the hot spot direction of Recent study always.Especially with different
Structure network structure is applied increasingly extensive, and the minizone caused by Microcell of the powerful macrocell to low-power how is solved
Interference has become real problems that need to be solved urgently.Industry also proposed many targetedly solutions.For example, being advised in 3GPP
Fan Zhong just uses such as coordinating district interference (Inter-Cell Interference Coordination abbreviation ICIC) skill
The modes such as art reduce influence of the inter-cell interference to wireless communication.
However, with the further growth of wireless traffic especially wireless data service, to the capacity of wireless communication system
It is required that also improving therewith.Higher cell density and higher spectrum efficiency at necessary realization target.The thing followed, together
Channel disturbance (Co-channel Interference) is increasingly becoming the main unfavorable factor of decision systems performance, this point, nothing
By be for inter-cell interference, or altogether scheduling (Co-scheduled) intra-cell users be all identical.In order to solve
The problem of cochannel interferes, industry conducts extensive research, the results showed that, carry out AF panel/elimination in receiving terminal
(Interference suppression/cancellation) can provide considerable performance gain.Thus 3GPP incited somebody to action
Network assistance interference elimination inhibition (Network-Assisted Interference Cancellation Suppression,
Abbreviation NAICS) research direction as LTE system evolution.
In a typical NAICS application scenarios, (victim user equipment are referred to as victim user equipment
Victim UE) identical Physical Resource Block (physical used due to certain user's equipment with neighbouring neighboring community
Resource block abbreviation PRB), thus receive the cochannel interference from neighboring community.Obviously, in order in victim
NAICS is realized on UE, which must know the downlink transfer parameter of neighboring community to carry out elimination/suppression accordingly
System operation.And existing 3GPP specifications to the step for solution be to pass wherein semi-static parameter by top signaling
It is defeated by victim UE；And remaining dynamic parameter typically generates the scheduling of those of interference user equipment in neighboring community
The parameters such as information, then by Physical Downlink Control Channel (the physical downlink of the victim UE blind decodings neighboring community
Control channel abbreviation PDCCH) information obtain, i.e., the victim UE need the PDCCH of blind decoding neighboring community
Downlink control instruction the part (downlink control indicator abbreviation DCI) information.Obviously, it is contemplated that may production
The quantity of the UE of raw interference and the dynamic change of scheduling information, it can be frightened to need the number for allowing victim UE to carry out blind decoding
People's, this seems simple step can become extremely difficult in realization, correspondingly, will increase to the design of UE a large amount of
Complexity, so that it cannot practical application, it is necessary to be improved.
So the target of the present invention is exactly to find a kind of novel NAICS methods；This method be required to so that
Victim UE can obtain corresponding scheduling information in the case where reducing the number of blind decoding PDCCH operations, so as to
In a manner of relatively simple NAIC functions are realized in the sides UE；It to be also compatible with existing specification as far as possible, avoids to existing protocol
Change it is excessive.
Invention content
To solve the above problem in the prior art, the present invention proposes a kind of novel NAICS methods.By being searched public
The special DCI format of design is used to transmit to victim UE auxiliary in rope space (common searching space abbreviation CSS)
The information for helping blind decoding to operate needs the blind decoding number carried out to be effectively reduced victim UE.
Specifically, according to the first aspect of the invention, it is proposed that a kind of user being interfered in a wireless communication system
The method that interference is reduced in equipment, wherein the user equipment being interfered is produced by least one from other cells
The interference of the user equipment of raw interference, the method includes：The user equipment being interfered is received to be interfered from the generation
User equipment the first message that sends of serving BS, wherein the first message include with generated described in blind decoding it is dry
The related content of scheduling information for the user equipment disturbed；The user equipment being interfered is according to the first message, in institute
It states and generates the user of interference on the Physical Downlink Control Channel of the serving BS for the user equipment for generating interference described in blind decoding and set
Standby scheduling information.
Preferably, the first message is Downlink Control Information.
It is highly preferred that the first message is sent by public search space.
It is highly preferred that the content related with the scheduling information for the user equipment for generating interference described in blind decoding includes：
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of the user equipment for generating interference；The suggestion polymerization of the user equipment for generating interference
Rank, wherein described to suggest that aggregation level represents the poly- of the serving BS override configuration of the user equipment for generating interference
Close rank.
It is highly preferred that the user equipment being interfered and the user equipment for generating interference use same physics
Resource set of blocks.
It is highly preferred that the same physical resource set of blocks by the user equipment being interfered serving BS and
The serving BS cooperation of the user equipment for generating interference determines.
It is highly preferred that the same physical resource set of blocks by the user equipment being interfered serving BS and
The serving BS of the user equipment for generating interference is determined by X2 interface Message Cooperation.
According to the second aspect of the invention, it is proposed that auxiliary reduces the side of interference on a kind of base station in a wireless communication system
Method, wherein at least one user equipment of the base station service produces interference at least one user equipment of other cells,
The method includes：The base station sends first message, wherein the first message includes being serviced with base station described in blind decoding
At least one user equipment the related content of scheduling information.
Preferably, the first message is Downlink Control Information.
It is highly preferred that the first message is sent by public search space.
It is highly preferred that the scheduling information of at least one user equipment serviced with base station described in blind decoding is related
Content include：The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of at least one user equipment of the base station service；The base station
The suggestion aggregation level of at least one user equipment of service, wherein the suggestion aggregation level represents the base station most
The aggregation level preferentially configured.
It is highly preferred that at least one use of at least one user equipment and other cells of the base station service
Family equipment uses same physical resource set of blocks.
It is highly preferred that at least one use of the same physical resource set of blocks by the base station and other cells
The serving BS cooperation of family equipment determines.
It is highly preferred that at least one use of the same physical resource set of blocks by the base station and other cells
The serving BS of family equipment is determined by X2 interface Message Cooperation.
According to the third aspect of the invention we, it is proposed that subtract on a kind of user equipment being interfered in a wireless communication system
The equipment interfered less, wherein the user equipment being interfered is generated interference by least one from other cells
The interference of user equipment, the equipment include：Receiving module is received for the user equipment being interfered from the generation
The first message that the serving BS of the user equipment of interference is sent, wherein the first message includes being produced with described in blind decoding
The related content of scheduling information of the user equipment of raw interference；Blind decoding module, for the user equipment root being interfered
According to the first message, the blind decoding institute on the Physical Downlink Control Channel of the serving BS of the user equipment for generating interference
State the scheduling information for the user equipment for generating interference.
According to the fourth aspect of the invention, it is proposed that auxiliary reduces setting for interference on a kind of base station in a wireless communication system
It is standby, wherein at least one user equipment of the base station service produces interference at least one user equipment of other cells,
The equipment includes：Sending module sends first message, wherein the first message includes and blind solution for the base station
The related content of scheduling information of at least one user equipment of the code base station service.
In the present invention, by designing new DCI in CSS so that interference base station can will interfere the relevant parameter of UE to pass
Victim UE are passed, so that victim UE can operate the scheduling parameter for obtaining interference UE by less blind decoding,
And then realize NAICS functions；In preferred scheme, it can also be determined by simple cooperation between base stations and generate cochannel interference
UE further simplifies the workflow of system；And it has been compatible with existing specification to the greatest extent, avoid the mistake to agreement
Big change, to reach the purpose of the present invention.
Description of the drawings
The following detailed description to non-limiting embodiment, other spies of the invention are read by referring to accompanying drawing
Sign, purpose and advantage will will become more apparent.
Fig. 1, which is shown, reduces interference on a kind of user equipment being interfered in a wireless communication system according to the present invention
Method flow chart；
Fig. 2 shows the streams that auxiliary on a kind of base station in a wireless communication system according to the present invention reduces the method for interference
Cheng Tu；
Fig. 3, which is shown, reduces interference on a kind of user equipment being interfered in a wireless communication system according to the present invention
Equipment block diagram；
Fig. 4 shows the frame of the equipment of auxiliary reduction interference on a kind of base station in a wireless communication system according to the present invention
Figure.
Wherein, same or analogous reference numeral indicates same or analogous steps characteristic or device/module.
Specific implementation mode
It, will be with reference to the appended attached drawing for constituting a present invention part in the specific descriptions of following preferred embodiment.Institute
Attached attached drawing, which has been illustrated by way of example, can realize specific embodiment.Exemplary embodiment is not intended to
Limit all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, other can be utilized
Embodiment can also carry out structural or logicality modification.Therefore, it is below specific descriptions and it is unrestricted, and this
The range of invention is defined by the claims appended hereto.
First, application according to the present invention scene, there are a victim UE, the victim UE due to the use of PRB
It is identical with certain UE (referred to as interfering UE) of neighboring community, therefore can be interfered by the Co-channel of these interference UE.Cause
This, which needs to carry out blind solution on the PDCCH channels of the serving BS (being referred to as interference base station) of these interference UE
Code operation, the corresponding scheduling information to obtain interference UE are subsequently used for NAICS functions.
On this basis, according to one embodiment of present invention, it is proposed that a kind of side reducing interference on victim UE
Method.Specifically, the victim UE receive the first message sent from interference base station first, being contained in the first message can be with
The victim UE are assisted to carry out the information of blind decoding operation；Then it is carried out according to the auxiliary information received targetedly blind
Decoding operate by less blind decoding number so that obtain corresponding scheduling information.
Preferably, which can be a kind of new DCI in the CSS of the PDCCH channels of interference base station.It should
The DCI not instead of specific scheduling informations of some UE, one group of UE, i.e., the blind decoding auxiliary information of all interference UE.
Further, including auxiliary information may include：
Interfere Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell-radio network temporary indicator of UE
Abbreviation C-RNTI)；And
UE is interfered to suggest aggregation level (Aggressive level abbreviation AL), wherein the suggestion AL represents interference
Base station is the AL for interfering the configuration of UE overrides.Obviously, it means that interference base station is sent out on PDccH channels using suggestion AL
Send the possibility of the scheduling information of interference UE maximum.
Therefore, for the victim UE, in the case where having known the C-RNTI of interference UE and having suggested AL, so that it may
To select above-mentioned known C-RNTI in the PDCCH channels of blind decoding interference base station and preferentially attempt suggestion AL, to carry out
Blind decoding operates.Obviously, it means that victim UE need the number of the blind decoding carried out operation to be greatly reduced.
In order to further simplify, victim UE can also be limited and interference UE is gathered using identical PRB.In this way, right
It, should if belonging to the set to the PRB dispatched of some UE in cell for the serving BS of cell where victim UE
UE just becomes victim UE, it may be necessary to use NAICS functions；And it is corresponding, for interference base station, if given
The PRB of some UE scheduling belongs to the set in cell, then the UE just becomes interference UE, and needing will be about blind decoding interference UE
The auxiliary information of scheduling information is sent by first message.The scheduling of resource of two such base station just becomes comparatively simple,
To reduce unnecessary overhead.
Preferably, it can also determine that the PRB gathers by the cooperation of two cell base stations, to meet flexible dispatching
It needs, improves the service efficiency of resource.
Further, above-mentioned cooperation can be completed by the X2 interface message between base station, the benefit designed in this way is can
To continue to use existing Signaling to greatest extent without using a completely new signaling system.
Attached drawing 1 gives the flow chart according to the above embodiment, including：
S11. the user equipment being interfered is received sends from the serving BS of the user equipment for generating interference
First message, wherein the first message includes having with the scheduling information for the user equipment for generating interference described in blind decoding
The content of pass；
S12. the user equipment being interfered is according to the first message, in the user equipment for generating interference
The scheduling information of the user equipment of interference is generated on the Physical Downlink Control Channel of serving BS described in blind decoding.
It is corresponding, according to another embodiment of the invention, it is proposed that one kind auxiliary on interference base station reduces interference
Method.Specifically, the interference base station sends first message, being contained in the first message can assist victim UE to carry out
The information of blind decoding operation.
Preferably, which can be a kind of new DCI in the CSS of the PDCCH channels of interference base station.It should
The DCI not instead of specific scheduling informations of some UE, one group of UE, i.e., the blind decoding auxiliary information of all interference UE.
Further, including auxiliary information may include：
Interfere Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell-radio network temporary indicator of UE
Abbreviation C-RNTI)；And
UE is interfered to suggest aggregation level (Aggressive level abbreviation AL), wherein the suggestion AL represents interference
Base station is the AL for interfering the configuration of UE overrides.Obviously, it means that interference base station is sent out on PDCCH channels using suggestion AL
Send the possibility of the scheduling information of interference UE maximum.
Likewise, for victim UE, in the case where having known the C-RNTI of interference UE and having suggested AL, so that it may
Suggest AL to select known C-RNTI in the PDCCH channels of blind decoding interference base station and preferentially attempt, to carry out blind decoding
Operation.Obviously, it means that victim UE need the number of the blind decoding carried out operation to be greatly reduced.
In order to further simplify, victim UE can also be limited and interference UE is gathered using identical PRB.In this way, right
It, should if belonging to the set to the PRB dispatched of some UE in cell for the serving BS of cell where victim UE
UE just becomes victim UE, it may be necessary to use NAICS functions；And it is corresponding, for interference base station, if given
The PRB of some UE scheduling belongs to the set in cell, then the UE just becomes interference UE, and needing will be about blind decoding interference UE
The auxiliary information of scheduling information is sent by first message.The scheduling of resource of two such base station just becomes comparatively simple,
To reduce unnecessary overhead.
Preferably, it can also determine that the PRB gathers by the cooperation of two cell base stations, to meet flexible dispatching
It needs, improves the service efficiency of resource.
Further, above-mentioned cooperation can be completed by the X2 interface message between base station, the benefit designed in this way is can
To continue to use existing Signaling to greatest extent without using a completely new signaling system.
Attached drawing 2 gives the flow chart according to the above embodiment, including：
S21. the base station sends first message, wherein the first message includes being serviced with base station described in blind decoding
At least one user equipment the related content of scheduling information.
Equipment corresponding with the above method provided by the present invention is introduced in conjunction with block diagram again below, in view of therein
Unit/device characteristic has correspondence with the step feature in the above method, will conform to the principle of simplicity.
Attached drawing 3 shows to reduce on a kind of user equipment being interfered in a wireless communication system according to the present invention and do
The equipment 30 disturbed, wherein the user equipment being interfered is generated using for interference by least one from other cells
The interference of family equipment, the equipment 30 include：
Receiving module 3001 is received for the user equipment being interfered from the user equipment for generating interference
The first message that serving BS is sent, wherein the first message includes and user equipment that interference is generated described in blind decoding
The related content of scheduling information；And
Blind decoding module 3002, for the user equipment being interfered according to the first message, in the generation
The tune of the user equipment of interference is generated on the Physical Downlink Control Channel of the serving BS of the user equipment of interference described in blind decoding
Spend information.
Attached drawing 4 shows the equipment that auxiliary reduces interference on a kind of base station in a wireless communication system according to the present invention
40, wherein at least one user equipment of the base station service produces interference at least one user equipment of other cells,
The equipment 40 includes：
Sending module 4001 sends first message for the base station, wherein the first message includes and blind decoding
The related content of scheduling information of at least one user equipment of the base station service.
The embodiment of the present invention is described above, but the invention is not limited in specific system, equipment and
Specific agreement, those skilled in that art can make various deformations or amendments within the scope of the appended claims.
The those skilled in the art of those the art can be by studying specification, disclosure and attached drawing and appended
Claims, understand and implement other changes to the embodiment of disclosure.In the claims, word " comprising " is not arranged
Except other elements and step, and wording "one" be not excluded for plural number.In the present invention, " first ", " second " only indicate name
Claim, does not represent orbution.In the practical application of invention, the possible perform claim of a part multiple skills cited in requiring
The function of art feature.Any reference numeral in claim should not be construed as the limitation to range.
Claims (14)
1. a kind of method for reducing interference on user equipment being interfered in a wireless communication system, wherein described by dry
The user equipment disturbed is interfered by least one user equipment for being generated interference from other cells, the method includes：
A. the user equipment being interfered receives first sent from the serving BS of the user equipment for generating interference
Message, wherein the first message includes in related with the scheduling information for the user equipment for generating interference described in blind decoding
Hold；
B. the user equipment being interfered is according to the first message, in the service base of the user equipment for generating interference
The scheduling information of the user equipment of interference is generated on the Physical Downlink Control Channel stood described in blind decoding,
Wherein, the content related with the scheduling information for the user equipment for generating interference described in blind decoding includes：
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of the user equipment for generating interference；
The suggestion aggregation level of the user equipment for generating interference, wherein the suggestion aggregation level represents described generate and does
The aggregation level of the serving BS override configuration for the user equipment disturbed.
2. according to the method described in claim 1, wherein, the first message is Downlink Control Information.
3. according to the method described in claim 2, wherein, the first message is sent by public search space.
4. according to the method described in claim 1, wherein, the user equipment being interfered and the user for generating interference
Equipment uses same physical resource set of blocks.
5. according to the method described in claim 4, wherein, the same physical resource set of blocks is by the use being interfered
The serving BS cooperation of the serving BS of family equipment and the user equipment for generating interference determines.
6. according to the method described in claim 5, wherein, the same physical resource set of blocks is by the use being interfered
The serving BS of the serving BS of family equipment and the user equipment for generating interference is determined by X2 interface Message Cooperation.
7. a kind of method that auxiliary reduces interference on base station in a wireless communication system, wherein at least the one of the base station service
A user equipment produces interference at least one user equipment of other cells, the method includes：
A. the base station sends first message, wherein the first message include with described in base station service described in blind decoding
The related content of scheduling information of at least one user equipment,
Wherein, the content packet related with the scheduling information of at least one user equipment of base station service described in blind decoding
It includes：
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of at least one user equipment of the base station service；
The suggestion aggregation level of at least one user equipment of the base station service, wherein the suggestion aggregation level generation
The aggregation level that base station override described in table configures.
8. according to the method described in claim 7, wherein, the first message is Downlink Control Information.
9. according to the method described in claim 8, wherein, the first message is sent by public search space.
10. according to the method described in claim 7, wherein, at least one user equipment of the base station service and described
At least one user equipment of other cells uses same physical resource set of blocks.
11. according to the method described in claim 10, wherein, the same physical resource set of blocks is by the base station and described
The serving BS cooperation of at least one user equipment of other cells determines.
12. according to the method for claim 11, wherein the same physical resource set of blocks is by the base station and described
The serving BS of at least one user equipment of other cells is determined by X2 interface Message Cooperation.
13. the equipment for reducing interference on a kind of user equipment being interfered in a wireless communication system, wherein described by dry
The user equipment disturbed is interfered by least one user equipment for being generated interference from other cells, and the equipment includes：
Receiving module receives the serving BS from the user equipment for generating interference for the user equipment being interfered
The first message of transmission, wherein the first message includes believing with the scheduling for the user equipment for generating interference described in blind decoding
Cease related content；
Blind decoding module, for the user equipment being interfered according to the first message, in the use for generating interference
The scheduling information of the user equipment of interference is generated on the Physical Downlink Control Channel of the serving BS of family equipment described in blind decoding,
Wherein, the content related with the scheduling information for the user equipment for generating interference described in blind decoding includes：
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of the user equipment for generating interference；
The suggestion aggregation level of the user equipment for generating interference, wherein the suggestion aggregation level represents described generate and does
The aggregation level of the serving BS override configuration for the user equipment disturbed.
14. the equipment that auxiliary reduces interference on a kind of base station in a wireless communication system, wherein at least the one of the base station service
A user equipment produces interference at least one user equipment of other cells, and the equipment includes：
Sending module sends first message, wherein the first message includes and base station described in blind decoding for the base station
The related content of scheduling information of at least one user equipment of service,
Wherein, the content packet related with the scheduling information of at least one user equipment of base station service described in blind decoding
It includes：
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of at least one user equipment of the base station service；
The suggestion aggregation level of at least one user equipment of the base station service, wherein the suggestion aggregation level generation
The aggregation level that base station override described in table configures.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032810.5A CN104811944B (en) | 2014-01-23 | 2014-01-23 | A kind of network assistance disturbance restraining method |
| TW104100403A TW201601477A (en) | 2014-01-23 | 2015-01-07 | Network auxiliary interference inhibition method |
| PCT/IB2015/000150 WO2015110911A1 (en) | 2014-01-23 | 2015-01-08 | Method for network-assisted interference suppression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032810.5A CN104811944B (en) | 2014-01-23 | 2014-01-23 | A kind of network assistance disturbance restraining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104811944A CN104811944A (en) | 2015-07-29 |
| CN104811944B true CN104811944B (en) | 2018-08-21 |
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ID=52875723
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410032810.5A Active CN104811944B (en) | 2014-01-23 | 2014-01-23 | A kind of network assistance disturbance restraining method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104811944B (en) |
| TW (1) | TW201601477A (en) |
| WO (1) | WO2015110911A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487488A (en) | 2015-08-25 | 2017-03-08 | 电信科学技术研究院 | The sending, receiving method of control signaling, the network equipment and receiving device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804888A (en) * | 2009-06-10 | 2012-11-28 | 高通股份有限公司 | Systems, apparatus and methods for communicating downlink information |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101819739B1 (en) * | 2009-10-28 | 2018-01-19 | 엘지전자 주식회사 | Method and apparatus for mitigating intercell interference in wireless communication system |
| US8989121B2 (en) * | 2011-11-02 | 2015-03-24 | Qualcomm Incorporated | Blindly decoding interfering cell PDCCH to acquire interfering cell PDSCH transmission information |
-
2014
- 2014-01-23 CN CN201410032810.5A patent/CN104811944B/en active Active
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- 2015-01-07 TW TW104100403A patent/TW201601477A/en unknown
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804888A (en) * | 2009-06-10 | 2012-11-28 | 高通股份有限公司 | Systems, apparatus and methods for communicating downlink information |
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| Publication number | Publication date |
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| CN104811944A (en) | 2015-07-29 |
| TW201601477A (en) | 2016-01-01 |
| WO2015110911A1 (en) | 2015-07-30 |
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Address after: Pudong New Area, Pudong Jinqiao Ning Bridge Road, No. 388, No. Applicant after: Shanghai NOKIA Baer Limited by Share Ltd Applicant after: Alcatel Optical Networks Israe Address before: 201206 Shanghai, Pudong Jinqiao Ning Bridge Road, No. 388, No. Applicant before: Shanghai Alcatel-Lucent Co., Ltd. Applicant before: Alcatel Optical Networks Israe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |