CN102523584B - Indoor coverage system with adjustable resources - Google Patents
Indoor coverage system with adjustable resources Download PDFInfo
- Publication number
- CN102523584B CN102523584B CN201110433688.9A CN201110433688A CN102523584B CN 102523584 B CN102523584 B CN 102523584B CN 201110433688 A CN201110433688 A CN 201110433688A CN 102523584 B CN102523584 B CN 102523584B
- Authority
- CN
- China
- Prior art keywords
- end unit
- far
- signal
- resource
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000003750 conditioning effect Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000013468 resource allocation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides an indoor coverage system with adjustable resources. The coverage system comprises: a near-end unit and at least two far-end units. The near-end unit is used for gathering uplink signals reported by the far-end units, calculating emission resources needed by all the far-end units for receiving the uplink signals and configuring emission resources of the system according to a calculated result as well as receiving downlink signals issued by a base station, calculating frequency band resources needed by all the far-end units for emitting the downlink signals, and configuring reception resources of the system according to a calculated result. The far-end units are used for receiving the uplink signals according to the configured reception resources and outputting the uplink signals to the near-end unit as well as receiving downlink signals distributed by the near-end unit and carrying out emission according to the configured emission resources. According to the invention, on the basis of the technology employed in the invention, dynamic adjustment of system resource selection distribution and capacity can be realized; multiple standard signals are used for covering in a same network, so that a sudden service demand in a designated subdivided zone can be met and thus download rate experience of users can be effectively improved.
Description
Technical field
The present invention relates to a kind of indoor covering system, the indoor covering system that particularly a kind of resource is adjustable.
Background technology
At present, conventional indoor covering system is BBU+RRU(and radio frequency stretch system), this system is made up of BBU, RRU, transmission medium unit, conjunction road system and antenna-feedback system.In addition, industry it is also proposed the baseband extension system of multi-modulation scheme, and this system, primarily of multimode BBU, multimode RRU, return network and antenna-feedback system composition, can realize multi-modulation scheme and cover.
Large Copacity macrocell base stations is concentrated and is placed in obtainable central machine room by BBU+RRU, baseband portion focuses on, optical fiber is adopted to move the radio-frequency module in base station to remote radio unit (RRU), on the determined website of the network planning that is placed in, thus save a large amount of machine rooms required for conventional solution; Fiber optic stretch simultaneously by adopting the support of Large Copacity macro base station a large amount of, also can realize the conversion between capacity and covering.
A BBU can support multiple RRU, and adopt BBU+RRU Multi channel, at down direction, the baseband digital signal transmitted between BBU and RRU, the signal that base station controls certain user is gone out from the RRU channel emission of specifying.At up direction, subscriber signal, by nearest RRU channel reception, then uploads to base station from this passage.BBU+RRU scheme, can demand by measure for flexible configuration capacity, under the prerequisite not changing RRU and indoor distributed system, is supported the dilatation of passage by configuration BBU.
Although BBU+RRU multichannel technology scheme solves a lot of actual problem, but also there is obvious defect, such as, each cover antenna due to RRU is all that equalization utilizes system resource, in actual use, when carrying out multi-modulation scheme and covering, because the covering demand of different systems is different, sometimes the covering (as WIFI) selectively carrying out indivedual standard in the RRU coverage of multimode is needed, and be merely able to carry out multi-modulation scheme covering in the region of the covering of this RRU passage simultaneously, the demand of the covering selectively carrying out indivedual standard cannot be met, the function of resource selection can not be realized, and between antenna, also there is the problem of interference, in addition, as shown in Figure 1, in a BBU+RRU system, for RRU(1) passage, due to all impartial distributing system resource of antenna, when antenna 1, antenna 2, when covering number of users between antenna 3 is different, then antenna 1 due to user many, so resource cannot meet business demand, antenna 2 user is few, resource must not obtain and utilized fully, antenna 3 does not have user, then resource is wasted completely, so such scheme also cannot carry out resource coordination between antenna to meet the bursts of traffic demand of divided area, dynamic conditioning cannot be carried out to system resource, cause the utilance of system resource low.
Summary of the invention
The object of the invention is to, provide the indoor covering system that a kind of resource is adjustable, what achieve system resource is dynamically adjustable, solves and cannot carry out dynamic conditioning to system resource, cause the problem that the utilance of system resource is low.
The indoor covering system that resource is adjustable, comprising: near-end unit and at least two far-end units;
Described near-end unit, for converging the upward signal that described far-end unit is sent out, calculating each far-end unit and receiving reception resource needed for upward signal, and the reception resource of result configuration-system according to described calculating; Receive the downstream signal that issues of base station, calculate each far-end unit and launch band resource needed for downstream signal, and the transmission resources of result configuration-system according to described calculating;
Described far-end unit, receives upward signal for the reception resource according to described configuration and exports near-end unit to; Receive the downstream signal of near-end unit distribution and launched according to the transmission resources of described configuration.
Compared with prior art, technical scheme of the present invention realizes the distribution/aggregation feature of signal by near-end unit, calculate the system resource needed for each far-end unit and adjust dynamically it, the resource of configuration far-end unit, far-end unit covers according to configured system resource.Achieve the dynamic conditioning that system resource selects distribution and capacity, multiple standard signal covers at consolidated network, the Resourse Distribute that can become more meticulous to appointed area and resource optimization, meet the bursts of traffic demand of specifying divided area, and the downloading rate effectively promoting user is experienced.
Accompanying drawing explanation
Fig. 1 is a BBU+RRU system application example figure;
Fig. 2 is the structural representation of the adjustable indoor covering system of resource of the present invention;
Fig. 3 is the structural representation of an embodiment of the adjustable indoor covering system of resource.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
As shown in Figure 2, the indoor covering system that resource of the present invention is adjustable, comprising: near-end unit and at least two far-end units.
Wherein, near-end unit, for converging the upward signal that described far-end unit is sent out, calculates each far-end unit and receives reception resource needed for upward signal, and the reception resource of result configuration-system according to described calculating; Receive the downstream signal that issues of base station, calculate each far-end unit and launch band resource needed for downstream signal, and the transmission resources of result configuration-system according to described calculating;
Far-end unit is used for receiving upward signal according to the reception resource of described configuration and exporting near-end unit to; Receive the downstream signal of near-end unit distribution and launched according to the transmission resources of described configuration.
In concrete enforcement, near-end unit can be connected by optical fiber or netting twine with between far-end unit, preferably, adopts the connected mode of optical fiber; Data Transport Protocol between near-end unit and far-end unit can adopt CPRI, Ir agreement, also can use other standards agreement and self-defining agreement.
In order to more clear technical scheme of the present invention, be described in further detail below in conjunction with drawings and Examples.
Shown in Figure 3, Fig. 3 is the structural representation of an embodiment of the adjustable indoor covering system of resource, and wherein, near-end unit comprises further: baseband processing module, resource adjusting module and convergence/distribution module; Far-end unit comprises further: base band/radiofrequency signal modular converter, radio frequency processing module and antenna.
In the downstream direction:
Baseband processing module supports the unified process of multiple types signal, for receiving downstream signal that base station issues and carrying out base band signal process to it; Such as, complete the Base-Band Processing function (being applicable to the chnnel coding of air transmission, multiplexing, modulation, spread spectrum etc.) of Uu interface, obtain downgoing baseband signal.
Resource adjusting module, for launching the band resource needed for described downgoing baseband signal according to each far-end unit of downgoing baseband calculated signals, configures the transmission resources of each far-end unit according to the result of above-mentioned calculating; Particularly, the customer service situation in the scope that this module can cover according to the far-end unit of different passage, calculates the Resource Allocation Formula of optimization, controls the real-time adjustment that far-end unit carries out frequency.
Further, resource adjusting module also calculates the transmitting power needed for each far-end unit transmitting downgoing baseband signal, the transmitting power of each far-end unit is configured according to the result optimizing of above-mentioned calculating, the coverage of far-end unit can be adjusted to very little region, now, far-end unit only sends signal with the power in self coverage, makes far-end unit have obvious low power characteristic.
By carrying out the adjustment of power, frequency to far-end unit, each far-end unit is made only to launch resource in self coverage needed for user, the interference between far-end unit can be significantly reduced, the meticulous distribution of system resource, dynamic conditioning and efficiency utilization can be ensured again.
Convergence/distribution module is used for, according to configured transmission resources, downgoing baseband signal is distributed to far-end unit; The modulation of optical transport is carried out when adopting Optical Fiber Transmission.
Described base band/radiofrequency signal modular converter, for converting described downgoing baseband signal to downlink radio-frequency signal; Particularly, adopt the demodulation carrying out intermediate frequency/base band optical transport during Optical Fiber Transmission, to downgoing baseband signal digital up-conversion, D/A conversion etc.
Radio frequency processing module is used for carrying out radio-frequency transmissions process according to the transmission resources of described configuration to described downlink radio-frequency signal; Such as, up-conversion, power amplifier and filtering process etc. are carried out to downlink radio-frequency signal.
Antenna is the built-in aerial of far-end unit, for being launched by downlink radio-frequency signal.
In the upstream direction:
Built-in antenna is for receiving the upstream radio-frequency signal that user sends out;
Radio frequency processing module is used for carrying out radio frequency reception process according to the reception resource of described configuration to described upstream radio-frequency signal; Such as, filtering process, low noise amplification and down-conversion etc. are carried out to upstream radio-frequency signal.
Base band/radiofrequency signal modular converter is used for converting described upstream radio-frequency signal to uplink baseband signal; Particularly, A/D conversion is carried out to upstream radio-frequency signal, Digital Down Convert converts intermediate frequency/base band etc. to, adopt the modulation carrying out optical transport during Optical Fiber Transmission.
Convergence/distribution module is used for the uplink baseband signal converging each far-end unit according to the reception resource of configuration; The demodulation of optical transport is carried out when adopting Optical Fiber Transmission.
Resource adjusting module, for receiving the band resource needed for described uplink baseband signal according to described each far-end unit of uplink baseband calculated signals, configures the reception resource of each far-end unit according to the result of described calculating; Particularly, the customer service situation in the scope that this module can cover according to the far-end unit of different passage, calculates the Resource Allocation Formula of optimization, controls the real-time adjustment that far-end unit carries out frequency.
Further, resource adjusting module also calculates each far-end unit and receives received power needed for described uplink baseband signal, configure the received power of each far-end unit according to the result optimizing of above-mentioned calculating, the coverage of far-end unit can be adjusted to very little region; When user initiates business, multiple far-end unit only has one (or a few) to receive Optimal Signals from this user, and far-end unit only receives the signal of the user in self coverage, makes far-end unit have obvious low power characteristic.
By carrying out the adjustment of power, frequency to far-end unit, each far-end unit is made only to receive subscriber signal in self coverage, the interference between far-end unit can be significantly reduced, the meticulous distribution of system resource, dynamic conditioning and efficiency utilization can be ensured again.
Baseband processing module supports the unified process of multiple types signal, for the uplink baseband signal of described convergence, it carries out base band signal process; Such as, complete the Iub interface function of RNC, signaling process etc., obtain upward signal sends to base station.
The indoor covering system that resource of the present invention is adjustable, can select the resource of channel, such as, under the control of near-end unit, can select to send and the signal receiving selected standard, in the overlay area of far-end unit self, realize any one standard to cover or multi-modulation scheme covering, the user resources only in coverage, significantly reduce interference, to the meticulous distribution of system resource, achieve the function of the resource selection of system.
Meanwhile, can also carry out dynamic adaptation to the resource of channel, under the prerequisite that disposal ability is not limited, the channel resource that near-end unit can be allocated between multiple far-end unit is shared.Such as, when occurring the concentrated capacity requirement among a small circle, near-end unit all to one or several far-end unit being distributed in this region, thus can meet the bursts of traffic demand of divided area by Resourse Distribute, and the capacity achieving system is dynamically adjustable.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (4)
1. the indoor covering system that resource is adjustable, is characterized in that, comprising: near-end unit and at least two far-end units;
Described near-end unit, for converging the upward signal that described far-end unit is sent out, calculating each far-end unit and receiving reception resource needed for upward signal, and the reception resource of result configuration-system according to described calculating; Receive the downstream signal that issues of base station, calculate each far-end unit and launch band resource needed for downstream signal, and the transmission resources of result configuration-system according to described calculating;
Described far-end unit, receives upward signal for the reception resource according to described configuration and exports near-end unit to; Receive the downstream signal of near-end unit distribution and launched according to the transmission resources of described configuration;
Near-end unit comprises: baseband processing module, resource adjusting module and convergence/distribution module; Described far-end unit comprises: base band/radiofrequency signal modular converter, radio frequency processing module and antenna;
In the downstream direction:
Described baseband processing module, obtains downgoing baseband signal for receiving downstream signal that base station issues and carrying out base band signal process to it; Described resource adjusting module, for launching the band resource needed for described downgoing baseband signal according to described each far-end unit of downgoing baseband calculated signals, configures the transmission resources of each far-end unit according to the result of described calculating; Described convergence/distribution module, for being distributed to far-end unit by downgoing baseband signal; Described base band/radiofrequency signal modular converter, for converting described downgoing baseband signal to downlink radio-frequency signal; Described radio frequency processing module, carries out radio-frequency transmissions process for the transmission resources according to described configuration to described downlink radio-frequency signal; Described antenna, for launching described downlink radio-frequency signal after radio frequency processing;
In the upstream direction:
Described antenna, for receiving the upstream radio-frequency signal that user sends out; Described radio frequency processing module, carries out radio frequency reception process for the reception resource according to described configuration to described upstream radio-frequency signal; Described base band/radiofrequency signal modular converter, for converting described upstream radio-frequency signal to uplink baseband signal; Described convergence/distribution module, for converging the uplink baseband signal of each far-end unit; Described resource adjusting module, for receiving the band resource needed for described uplink baseband signal according to described each far-end unit of uplink baseband calculated signals, configures the reception resource of each far-end unit according to the result of described calculating; Described baseband processing module, for the uplink baseband signal of described convergence, it carries out base band signal process and obtains upward signal sends to base station.
2. the indoor covering system that resource according to claim 1 is adjustable, is characterized in that;
In the downstream direction:
Described resource adjusting module, also for launching the transmitting power needed for described downgoing baseband signal according to described each far-end unit of downgoing baseband calculated signals, configures the transmitting power of each far-end unit according to the result of described calculating;
In the upstream direction:
Described resource adjusting module, for receiving the received power needed for described uplink baseband signal according to described each far-end unit of uplink baseband calculated signals, configures the received power of each far-end unit according to the result of described calculating.
3. the indoor covering system that resource according to claim 1 and 2 is adjustable, is characterized in that, described near-end unit is connected by optical fiber or netting twine with described far-end unit.
4. the indoor covering system that resource according to claim 3 is adjustable, is characterized in that, the Data Transport Protocol between described near-end unit and described far-end unit comprises CPRI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433688.9A CN102523584B (en) | 2011-12-21 | 2011-12-21 | Indoor coverage system with adjustable resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433688.9A CN102523584B (en) | 2011-12-21 | 2011-12-21 | Indoor coverage system with adjustable resources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102523584A CN102523584A (en) | 2012-06-27 |
| CN102523584B true CN102523584B (en) | 2015-02-11 |
Family
ID=46294352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110433688.9A Expired - Fee Related CN102523584B (en) | 2011-12-21 | 2011-12-21 | Indoor coverage system with adjustable resources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102523584B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117959A (en) * | 2013-01-17 | 2013-05-22 | 中国联合网络通信集团有限公司 | Resource redistribution method and information collection device and resource management device |
| CN103139790B (en) * | 2013-01-28 | 2016-08-03 | 福建星网锐捷网络有限公司 | Being applied to room divides the intelligence of WLAN to divide wireless access device, the network equipment |
| CN103607266A (en) * | 2013-11-28 | 2014-02-26 | 中国联合网络通信集团有限公司 | Method and device for sending signals |
| CN103916872B (en) * | 2014-03-31 | 2017-11-14 | 大唐移动通信设备有限公司 | A kind of Poewr control method and equipment |
| CN105101482B (en) * | 2014-05-14 | 2019-09-13 | 中国移动通信集团公司 | A kind of base station system and its signal processing method |
| CN106921981A (en) * | 2015-12-28 | 2017-07-04 | 中兴通讯股份有限公司 | A kind of method for managing resource, the apparatus and system of indoor distributed antenna system |
| CN106973394B (en) * | 2017-03-21 | 2020-06-12 | 博威通(厦门)科技有限公司 | System and method for simultaneously increasing cell coverage and capacity |
| CN111010731A (en) * | 2019-12-17 | 2020-04-14 | 四川天邑康和通信股份有限公司 | Synchronization device for radio remote unit of central unit of base station |
| CN111148183B (en) * | 2019-12-31 | 2021-11-02 | 京信网络系统股份有限公司 | Multi-system networking method, system, equipment and storage medium |
| CN111818544A (en) * | 2020-06-08 | 2020-10-23 | 中国电信集团工会上海市委员会 | Digital active system for improving coverage |
| CN111770505B (en) * | 2020-07-08 | 2021-09-14 | 展讯通信（上海）有限公司 | Communication control unit, near-end connection module, far-end covering module and indoor distribution system |
| CN113301575B (en) * | 2021-05-08 | 2023-03-24 | 三维通信股份有限公司 | Resource allocation method for multiple base stations and radio remote unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1954075A1 (en) * | 2006-09-22 | 2008-08-06 | Huawei Technologies Co., Ltd. | Method for combining uplink signals in the sector splitting mode and a base station system thereof |
| CN101394658A (en) * | 2007-09-21 | 2009-03-25 | 中兴通讯股份有限公司 | Apparatus realizing distributed wireless cell and communication method |
| CN102256346A (en) * | 2011-07-25 | 2011-11-23 | 中国移动通信集团山西有限公司 | Method, device and system for setting maximum transmitting power based on RRU (Radio Remote Unit) |
-
2011
- 2011-12-21 CN CN201110433688.9A patent/CN102523584B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1954075A1 (en) * | 2006-09-22 | 2008-08-06 | Huawei Technologies Co., Ltd. | Method for combining uplink signals in the sector splitting mode and a base station system thereof |
| CN101394658A (en) * | 2007-09-21 | 2009-03-25 | 中兴通讯股份有限公司 | Apparatus realizing distributed wireless cell and communication method |
| CN102256346A (en) * | 2011-07-25 | 2011-11-23 | 中国移动通信集团山西有限公司 | Method, device and system for setting maximum transmitting power based on RRU (Radio Remote Unit) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102523584A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102523584B (en) | Indoor coverage system with adjustable resources | |
| US11818642B2 (en) | Distributed antenna system | |
| US11013005B2 (en) | Remotely reconfigurable distributed antenna system and methods | |
| KR101610447B1 (en) | Remotely Reconfigurable Distributed Antenna System and Methods | |
| EP3291450B1 (en) | System and method for performance enhancement in heterogeneous wireless access network employing distributed antenna system | |
| US9363761B2 (en) | System and method for performance enhancement in heterogeneous wireless access network employing band selective power management | |
| JP5697622B2 (en) | Mobile communication system and remote radio unit clustering method thereof | |
| US20210050906A1 (en) | Multiple-input multiple-output (mimo) communication system | |
| US20160013855A1 (en) | Multiple-input multiple-output (mimo) communication system | |
| US20080274745A1 (en) | Interference mitigation technique | |
| US9026119B2 (en) | Coordinating distributed radio via remote units | |
| CN1926891A (en) | Distributed wireless system for controlling the resource centrally | |
| CN101155410A (en) | Method and device for implementing information processing based on channel in relay reinforced subdistrict | |
| CN109067441A (en) | A kind of 5G group network system relayed based on millimeter wave and microwave multiple-input and multiple-output | |
| CN106656217A (en) | Full-duplex transmission method for multi-radio frequency unit base station system | |
| CN101667946B (en) | Wireless access network, terminal, frequency spectrum using/multiplexing method and communication implementation method | |
| CN104184556A (en) | High-order modulation compatible link self-adaptation method | |
| CN101384077B (en) | Relay selection and channel allocation method in OFDMA access system | |
| US10779248B2 (en) | Incorporation of mesh base stations in a wireless system | |
| CN101394613B (en) | Method for relay selection and subchannel allocation in OFDM system | |
| CN100514883C (en) | Radio signal zone covering method and radio cut-in network | |
| KR102667404B1 (en) | Systems and methods for mitigating interference within actively used spectrum | |
| CN105072001B (en) | A kind of multipoint service compartment system based on packet microwave | |
| KR20240074905A (en) | Systems and methods for mitigating interference within actively used spectrum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINGXIN COMMUNICATION SYSTEM CO LTD (GUANGZHOU) Free format text: FORMER OWNER: COMBA TELECOM SYSTEMS (CHINA) CO., LTD. Effective date: 20150825 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150825 Address after: 510663 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20200113 Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: COMBA TELECOM SYSTEMS (CHINA) Ltd. Address before: 510663, No. 6, Jin Lu, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |