CN109309926A - A kind of listem-before-talk method for parameter configuration based on disturbance level - Google Patents
A kind of listem-before-talk method for parameter configuration based on disturbance level Download PDFInfo
- Publication number
- CN109309926A CN109309926A CN201811150528.1A CN201811150528A CN109309926A CN 109309926 A CN109309926 A CN 109309926A CN 201811150528 A CN201811150528 A CN 201811150528A CN 109309926 A CN109309926 A CN 109309926A
- Authority
- CN
- China
- Prior art keywords
- subband
- disturbance level
- disturbance
- lbt
- parameter
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of listem-before-talk method for parameter configuration based on disturbance level comprising: step S1, base station send disturbance level configuration order to terminal device, wherein include the threshold information corresponding to disturbance grade in the disturbance level configuration order；Step S2, the terminal device correspond to the threshold information of disturbance grade according to included in the disturbance level configuration order, are arranged or update first mapping table；Before the terminal device carries out data transmission on a subband, the disturbance level of the subband is assessed according to first mapping table by step S3；Step S4, the terminal device select corresponding LBT parameter according to the disturbance level of the subband in second mapping table, and using the LBT parameter in the subband transmitting data.The present invention improves the data transmission efficiency of the whole network, reduces the interference with different systems.
Description
Technical field
The present invention relates to wireless communication technique more particularly to a kind of listem-before-talk parameter configuration sides based on disturbance level
Method.
Background technique
With the rapid development of wireless mobile telecommunication technology, demand of all trades and professions to wireless communication is increasing.But by
It is extremely limited in available radio spectrum resources, it causes in identical frequency range, multiple communication system, multiplex communication system are long
The case where phase coexists.For example, there are many frequency points that can aperiodically be occupied by multiple departments in 223-235MHz band limits, wrap
Include: power department is for disposing electric power wireless communication system, to push the construction of smart grid；Ministry of Geology and Mineral Resources is used for telemetering water
Position instrument；Ministry of Water Resources is used for hydrological telemetering；Ministry of Light Industry is used for electronic crane scale；State Seismological Bureau transmits for data；The Ministry of Construction uses
It is transmitted in data；National Meteorological Bureau is for data transmission etc..There is uncertainty in the frequency point holding time of above section purposes, lead to
It is often occupied for burst, this makes the wireless communications environment of the frequency range that can continually change.The case where this condition of multi-system coexistence
It inevitably will cause the interference in some area of space, frequency range, time interval, coding section, seriously affect wireless
The communication quality and data traffic of communication system.
Interfering with each other between multiple wireless communication systems in order to avoid using similar frequency bands, wireless communication system should be adopted
With listem-before-talk (listen-before-talk, LBT) technology.Letter must first be monitored before sending data using the equipment of LBT
Whether road is occupied, if channel idle within a certain period of time (such as out of randomly selected in competition window back off time),
Then equipment busy channel and can start to transmit.By using LBT technology, wireless communication system be can effectively avoid and other systems
Interfering with each other between system realizes the different coexistence of systems under complicated dynamic interference environment.
A variety of LBT types and a variety of LBT parameters are defined in 36.889 standard of 3GPP TR, and (including competition window is long
Degree, competition window maximum value, contention window minimum, CCA energy measuring thresholding, maximum transmitted duration etc.), wherein above-mentioned LBT
Parameter is determined based on the channel access priority of equipment transmission.And use different LBT type and LBT parameter can be to being
System handling capacity, propagation delay time coexist the performances such as fairness and cause significant impact.In view of answering for wireless channel and disturbance regime
Polygamy and dynamic changeability should adjust in time its LBT parameter, according to the disturbed condition of subband using the equipment of LBT technology with excellent
Change service quality, reduces the interference of different systems.For example, shorter contention window should be arranged when the interference level of subband is lower
Mouth length and longer maximum transmitted duration with improve data transfer efficiency, reduce propagation delay time；When subband interference level compared with
Longer competition window length and shorter maximum transmitted duration should be arranged in Gao Shi, to reduce collision probability, reduce to different system
Interference.
However, not comprising the definition to disturbance level and disturbance level configuration order and based on dry in 3GPP standard
Disturb the LBT parameter selection method of grade.Meanwhile existing LBT parameter optimization scheme be mainly based upon service quality priority into
The adjustment of row LBT parameter, and is not directed to the LBT parameter optimization method based on disturbance level, and to base station and terminal device it
Between disturbance level configuration order design.For example, patent application " listem-before-talk parameter processing method, contention window method of adjustment
And device " (application number: a kind of method of interaction LBT parameter between website is proposed in 201510715706.0), for solving phase
The problem of being interfered when seizing carrier wave between neighbors；According to the corresponding LBT of service quality priority involved in the patent application
Grade to the method that unauthorized carrier wave executes LBT, but is not related to the LBT parameter selection method based on disturbance level.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the present invention is intended to provide after a kind of first listening based on disturbance level
It says method for parameter configuration, to optimize the LBT parameter selection of terminal device, improves the data transmission efficiency of the whole network, reduce and different system
Interference between system.
A kind of listem-before-talk method for parameter configuration based on disturbance level of the present invention comprising following steps:
Step S1, base station send disturbance level configuration order to terminal device, wherein in the disturbance level configuration order
Threshold information comprising corresponding to disturbance grade, the maintaining terminal equipment include disturbance level and corresponding threshold information
First mapping table and the second mapping table comprising disturbance level with corresponding LBT parameter；
Step S2, the terminal device correspond to disturbance etc. according to included in the disturbance level configuration order
The threshold information of grade, is arranged or updates first mapping table；
Step S3 before the terminal device carries out data transmission on a subband, is assessed according to first mapping table
The disturbance level of the subband；
Step S4, the terminal device select in second mapping table corresponding according to the disturbance level of the subband
LBT parameter, and using the LBT parameter in the subband transmitting data.
In the above-mentioned listem-before-talk method for parameter configuration based on disturbance level, step S1 includes: to be occupied according to subband
The busy rate of the LBT of the interference strength or subband of rate or subband divides disturbance level.
In the above-mentioned listem-before-talk method for parameter configuration based on disturbance level, divided when according to the subband occupancy
When disturbance level, the threshold information corresponding to disturbance grade includes: the upper limit and/or lower limit of subband occupancy.
In the above-mentioned listem-before-talk method for parameter configuration based on disturbance level, when the interference strength according to the subband
Divide disturbance level when, the threshold information corresponding to disturbance grade include: the interference strength of subband the upper limit and/or
Lower limit.
In the above-mentioned listem-before-talk method for parameter configuration based on disturbance level, when according to the busy rate of the LBT of the subband
When dividing disturbance level, the threshold information corresponding to disturbance grade include: the busy rate of LBT of subband the upper limit and/or
Lower limit.
In the above-mentioned listem-before-talk method for parameter configuration based on disturbance level, step S3 includes: that detection subband occupies
The busy rate of the LBT of the interference strength or subband of rate or subband, and institute is judged with first mapping table according to testing result
State the disturbance level of subband.
In the above-mentioned listem-before-talk method for parameter configuration based on disturbance level, the LBT parameter includes at least following
One: LBT type, competition window maximum value in parameter, contention window minimum, random back value, CCA energy measuring door
Limit, maximum transmission power, maximum transmitted duration.
Due to using above-mentioned technical solution, the present invention is by being that terminal device reasonably configures interference by base station
Grade threshold, specifically, base station is according to the data of throughput of system, QoS of customer, disturbance state and terminal device
The factors such as propagation delay time, data rate correspond to the threshold value of disturbance grade for each terminal equipment configuration, being capable of optimization system
The LBT parameter selection of interior each terminal device improves the data transmission efficiency of the whole network, reduces the interference with different systems.The present invention
Independently optimize LBT parameter compared to each terminal device, can be realized global performance optimization, to realize that the harmony of different system is total
It deposits.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the listem-before-talk method for parameter configuration based on disturbance level of the present invention；
Fig. 2 is the structural schematic diagram of wireless communication system in specific embodiments of the present invention.
Specific embodiment
With reference to the accompanying drawing, presently preferred embodiments of the present invention is provided, and is described in detail.
As shown in Figure 1, of the invention, i.e., a kind of listem-before-talk method for parameter configuration based on disturbance level, including following step
It is rapid:
Step S1, base station send disturbance level configuration order to terminal device, wherein include in disturbance level configuration order
Corresponding to the threshold information of disturbance grade, maintaining terminal equipment includes the first mapping of disturbance level with corresponding threshold information
Table and the second mapping table comprising disturbance level with corresponding LBT parameter；
Specifically, disturbance level can be busy according to the LBT of the interference strength or subband of subband occupancy or subband
Rate is in advance divided, in which:
1) subband occupancy refers to: the interfering energy level on the subband is higher than the subframe of pre-determined threshold whithin a period of time
Several ratios with total number of sub frames；
2) interference strength of subband refers to: the interfering energy detected on the subband is horizontal；
3) the busy rate of the LBT of subband refers to: when executing LBT on the subband, the busy timeslot number and the total timeslot number that detect
Ratio；
Threshold information corresponding to disturbance grade includes any of the following:
1) upper limit and/or lower limit of subband occupancy；
2) upper limit and/or lower limit of the interference strength of subband；
3) upper limit and/or lower limit of the busy rate of the LBT of subband；
In the present embodiment, base station can be according to throughput of system, QoS of customer, disturbance state and terminal device
The factors such as data transmission delay, data rate, the threshold information of disturbance grade is corresponded to for each terminal equipment configuration；
Step S2, after terminal device receives disturbance level configuration order from base station, according to disturbance level configuration order
Included in correspond to the threshold information of disturbance grade, setting or update comprising disturbance level and corresponding threshold information
First mapping table；
Step S3 before terminal device carries out data transmission on a certain subband, assesses the subband according to the first mapping table
Disturbance level；
Specifically, terminal device detects the occupancy or interference of the subband before a certain subband transmitting data
Intensity or the busy rate of LBT, and it is based on the first mapping table, judge the disturbance level of the subband；
Step S4, (second reflects terminal device with the second mapping table of corresponding LBT parameter comprising disturbance level according to preset
Firing table can be configured by base station when terminal device accesses for the first time for it, or be can be and carried preset write from memory by terminal device
Recognize the second mapping table), the disturbance level based on the subband assessed in step S3 selects corresponding LBT parameter, and is joined using the LBT
Number is in the subband transmitting data.
Specifically, LBT parameter includes at least: and LBT type (LBT of no random back, or have random back
LBT), competition window maximum value, contention window minimum, random back value, CCA energy measuring thresholding, maximum transmission power, most
One in big transmission duration.
2 pairs of of the invention specific embodiments are described in detail with reference to the accompanying drawing.
As shown in Fig. 2, base station 1 is that three terminal devices 2 provide radio communication service, base station 1 and terminal device 2 are nearby deposited
In different system interference source, therefore, terminal device 2 needs to be implemented LBT operation before transmitting uplink data.
Before this, firstly, base station 1 can be set according to throughput of system, QoS of customer, disturbance state and terminal
The factors such as standby data transmission delay, data rate correspond to the threshold value of disturbance grade for the configuration of each terminal device 2,
Specifically,
1) when dividing disturbance level according to subband occupancy, corresponding threshold information can be as shown in table 1 below:
Table 1
| Disturbance level | Occupancy lower limit | The occupancy upper limit |
| It is high | 20% | / |
| In | 10% | 20% |
| It is low | 0 | 10% |
2) when dividing disturbance level according to the interference strength of subband, corresponding threshold information can be as shown in table 2 below:
Table 2
| Disturbance level | Interference strength lower limit | The interference strength upper limit |
| It is high | -62dBm | / |
| In | -72dBm | -62dBm |
| It is low | 0 | -72dBm |
3) when dividing disturbance level according to the busy rate of the LBT of subband, corresponding threshold information can be as shown in table 3 below:
Table 3
| Disturbance level | LBT hurries rate lower limit | LBT hurries the rate upper limit |
| It is high | 30% | / |
| In | 15% | 30% |
| It is low | 0 | 15% |
Then, terminal device 2 is according to the threshold information corresponding to disturbance grade obtained from base station 1, setting or more
New first mapping table (as shown in table 1-3)；
Then, in terminal device 2 before subband transmitting data, detect the subband occupancy or interference strength or
LBT hurries rate, and is based on the first mapping table, judges the disturbance level of the subband；Such as:
It 1), should when the occupancy of subband less than 10% or when interference strength is less than the busy rate of -72dBm or LBT less than 15%
The disturbance level of subband is low.
2) when the occupancy of subband be greater than 10% and less than 20% or interference strength be greater than -72dBm and be less than -62dBm,
Or LBT rate of hurrying is greater than 15% and when less than 30%, during the disturbance level of the subband is.
It 3), should when the occupancy of subband is greater than 20% or interference strength is greater than the busy rate of -62dBm or LBT greater than 30%
The disturbance level of subband is height；
Finally, terminal device 2 based on the disturbance level of subband in the second mapping table (such as shown in the following table 4), selection pair
The LBT parameter answered, and using the LBT parameter in the subband transmitting data.
Table 4
| Disturbance level | LBT type | Contention window minimum | Competition window maximum value |
| It is high | There is the LBT of random back | 7 | 1023 |
| In | There is the LBT of random back | 3 | 63 |
| It is low | LBT without random back | / | / |
In conclusion the present invention optimizes terminal by being that terminal device reasonably configures disturbance level threshold value by base station
The LBT parameter selection of equipment, improves the data transmission efficiency of the whole network, reduces the interference with different systems.
Above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention, of the invention is upper
Stating embodiment can also make a variety of changes.Letter made by all claims applied according to the present invention and description
Single, equivalent changes and modifications, fall within the claims of the invention patent.The not detailed description of the present invention is normal
Advise technology contents.
Claims (7)
1. a kind of listem-before-talk method for parameter configuration based on disturbance level, which is characterized in that the described method comprises the following steps:
Step S1, base station send disturbance level configuration order to terminal device, wherein include in the disturbance level configuration order
Corresponding to the threshold information of disturbance grade, the maintaining terminal equipment includes disturbance level and the first of corresponding threshold information
Mapping table and the second mapping table comprising disturbance level with corresponding LBT parameter；
Step S2, the terminal device is according to included in the disturbance level configuration order corresponding to disturbance grade
Threshold information is arranged or updates first mapping table；
Step S3 before the terminal device carries out data transmission on a subband, assesses the son according to first mapping table
The disturbance level of band；
Step S4, the terminal device select corresponding LBT in second mapping table according to the disturbance level of the subband
Parameter, and using the LBT parameter in the subband transmitting data.
2. the listem-before-talk method for parameter configuration according to claim 1 based on disturbance level, which is characterized in that step S1
It include: the busy rate division disturbance level of LBT of the interference strength or subband according to subband occupancy or subband.
3. the listem-before-talk method for parameter configuration according to claim 2 based on disturbance level, which is characterized in that work as basis
When the subband occupancy divides disturbance level, the threshold information corresponding to disturbance grade includes: subband occupancy
The upper limit and/or lower limit.
4. the listem-before-talk method for parameter configuration according to claim 2 based on disturbance level, which is characterized in that work as basis
When the interference strength of the subband divides disturbance level, the threshold information corresponding to disturbance grade includes: subband
The upper limit and/or lower limit of interference strength.
5. the listem-before-talk method for parameter configuration according to claim 2 based on disturbance level, which is characterized in that work as basis
When the busy rate of the LBT of the subband divides disturbance level, the threshold information corresponding to disturbance grade includes: subband
The upper limit and/or lower limit of the busy rate of LBT.
6. the listem-before-talk method for parameter configuration according to claim 1 based on disturbance level, which is characterized in that step S3
Include: that the LBT of the interference strength or subband for detecting subband occupancy or subband does rate, and according to testing result with it is described
First mapping table judges the disturbance level of the subband.
7. the listem-before-talk method for parameter configuration according to claim 1 based on disturbance level, which is characterized in that described
LBT parameter include at least following parameter in one: LBT type, competition window maximum value, contention window minimum, move back at random
Keep away value, CCA energy measuring thresholding, maximum transmission power, maximum transmitted duration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150528.1A CN109309926B (en) | 2018-09-29 | 2018-09-29 | Interference level-based listen before talk parameter configuration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150528.1A CN109309926B (en) | 2018-09-29 | 2018-09-29 | Interference level-based listen before talk parameter configuration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109309926A true CN109309926A (en) | 2019-02-05 |
| CN109309926B CN109309926B (en) | 2021-12-03 |
Family
ID=65224965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811150528.1A Active CN109309926B (en) | 2018-09-29 | 2018-09-29 | Interference level-based listen before talk parameter configuration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309926B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253441A1 (en) * | 2020-06-19 | 2021-12-23 | Oppo广东移动通信有限公司 | Environmental state determination method and apparatus, and device and storage medium |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449615A (en) * | 2006-08-30 | 2009-06-03 | 三菱电机株式会社 | A wireless communication device, a wireless communication method and programs |
| WO2015081169A1 (en) * | 2013-11-27 | 2015-06-04 | Interdigital Patent Holdings, Inc. | Resource allocation in multi-provider wlan networks based on utility metric |
| WO2015199960A1 (en) * | 2014-06-26 | 2015-12-30 | Intel IP Corporation | Spatial reuse of wi-fi channels with interference estimation and control |
| CN105265002A (en) * | 2013-05-02 | 2016-01-20 | Lg电子株式会社 | Method for sensing channel dynamically in wireless LAN system and apparatus therefor |
| WO2016037364A1 (en) * | 2014-09-12 | 2016-03-17 | Intel Corporation | Dynamic cca scheme with interface control for 802.11 hew standard and system |
| WO2016133726A1 (en) * | 2015-02-20 | 2016-08-25 | Qualcomm Incorporated | Superposition coding based preamble designs for co-existing radio access technologies |
| CN106411381A (en) * | 2016-11-07 | 2017-02-15 | 北京佰才邦技术有限公司 | Data transmission method and device |
| CN106559882A (en) * | 2015-09-25 | 2017-04-05 | 中兴通讯股份有限公司 | It is a kind of to authorize the method and device for assisting access device contention access parameter configuration |
| WO2017120741A1 (en) * | 2016-01-11 | 2017-07-20 | 华为技术有限公司 | Wireless communication method, apparatus and system |
| CN107005949A (en) * | 2015-08-28 | 2017-08-01 | 华为技术有限公司 | A kind of data transfer and channel measuring method, equipment |
| CN107241800A (en) * | 2016-03-29 | 2017-10-10 | 北京信威通信技术股份有限公司 | Transmission method and device |
| CN107852749A (en) * | 2015-07-08 | 2018-03-27 | 高通股份有限公司 | For sharing the aerial signaling of increased reuse factor in radio spectrum frequency band |
| CN108541388A (en) * | 2015-04-17 | 2018-09-14 | 高通股份有限公司 | The control that ENB distributes UE idle channels |
-
2018
- 2018-09-29 CN CN201811150528.1A patent/CN109309926B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449615A (en) * | 2006-08-30 | 2009-06-03 | 三菱电机株式会社 | A wireless communication device, a wireless communication method and programs |
| CN105265002A (en) * | 2013-05-02 | 2016-01-20 | Lg电子株式会社 | Method for sensing channel dynamically in wireless LAN system and apparatus therefor |
| WO2015081169A1 (en) * | 2013-11-27 | 2015-06-04 | Interdigital Patent Holdings, Inc. | Resource allocation in multi-provider wlan networks based on utility metric |
| WO2015199960A1 (en) * | 2014-06-26 | 2015-12-30 | Intel IP Corporation | Spatial reuse of wi-fi channels with interference estimation and control |
| WO2016037364A1 (en) * | 2014-09-12 | 2016-03-17 | Intel Corporation | Dynamic cca scheme with interface control for 802.11 hew standard and system |
| WO2016133726A1 (en) * | 2015-02-20 | 2016-08-25 | Qualcomm Incorporated | Superposition coding based preamble designs for co-existing radio access technologies |
| CN108541388A (en) * | 2015-04-17 | 2018-09-14 | 高通股份有限公司 | The control that ENB distributes UE idle channels |
| CN107852749A (en) * | 2015-07-08 | 2018-03-27 | 高通股份有限公司 | For sharing the aerial signaling of increased reuse factor in radio spectrum frequency band |
| CN107005949A (en) * | 2015-08-28 | 2017-08-01 | 华为技术有限公司 | A kind of data transfer and channel measuring method, equipment |
| CN106559882A (en) * | 2015-09-25 | 2017-04-05 | 中兴通讯股份有限公司 | It is a kind of to authorize the method and device for assisting access device contention access parameter configuration |
| WO2017120741A1 (en) * | 2016-01-11 | 2017-07-20 | 华为技术有限公司 | Wireless communication method, apparatus and system |
| CN107241800A (en) * | 2016-03-29 | 2017-10-10 | 北京信威通信技术股份有限公司 | Transmission method and device |
| CN106411381A (en) * | 2016-11-07 | 2017-02-15 | 北京佰才邦技术有限公司 | Data transmission method and device |
Non-Patent Citations (2)
| Title |
|---|
| HUAWEI等: "R1-1808061 "Coexistence and channel access for NR unlicensed band operations"", 《3GPP TSG_RAN\WG1_RL1》 * |
| MEDIATEK INC.: "R1-154648 "Enhanced DRS for LAA"", 《3GPP TSG_RAN\WG1_RL1》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253441A1 (en) * | 2020-06-19 | 2021-12-23 | Oppo广东移动通信有限公司 | Environmental state determination method and apparatus, and device and storage medium |
| CN115516898A (en) * | 2020-06-19 | 2022-12-23 | Oppo广东移动通信有限公司 | Method, device and equipment for determining environment state and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109309926B (en) | 2021-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11502722B1 (en) | Systems and methods for wireless coexistence in an unlicensed spectrum | |
| US11109411B2 (en) | Channel sense method, network side device, and terminal | |
| US8861437B2 (en) | Contention-based communication | |
| CN109302739B (en) | Method and device for sending and receiving synchronization signal | |
| CN107005854B (en) | Partial channel reservation on a shared communication medium | |
| CN105517181B (en) | Carrier resource processing method and device of unauthorized carrier and transmission node | |
| CN102007790A (en) | Wireless communication device and method | |
| US9113478B2 (en) | Methods and apparatus for requesting and allocating resources in multiple transmission opportunities | |
| EP0819364B1 (en) | Stabilized control channel planning using loosely coupled dedicated traffic channels | |
| CN107079463B (en) | Allocating partially overlapping resources to communication devices | |
| EP2104391B1 (en) | A transceiver apparatus and a method for transceiving data packets in a mobile communication network | |
| CN109688626B (en) | Listen before talk parameter configuration method of frame-based equipment | |
| CN106455108B (en) | listen-before-talk method and device | |
| Carhacioglu et al. | Cooperative coexistence of BLE and time slotted channel hopping networks | |
| CN113301573B (en) | Interference processing method and device, terminal equipment and computer readable storage medium | |
| US8295261B2 (en) | Method for detecting hidden nodes in cognitive radio networks | |
| CN109039374B (en) | Method for realizing coexistence of LTE-LAA system and WiFi system on unauthorized frequency band | |
| CN109982432A (en) | A kind of listem-before-talk method for parameter configuration of the equipment based on load | |
| CN109309926A (en) | A kind of listem-before-talk method for parameter configuration based on disturbance level | |
| Soy | An adaptive spreading factor allocation scheme for mobile LoRa networks: Blind ADR with distributed TDMA scheduling | |
| CN111587603A (en) | Network node, wireless communication device and method therein for accessing an unlicensed radio band | |
| CN106921975B (en) | Relay transmission method and device based on 230M wireless communication private network | |
| CN110313191A (en) | It first says and listens reconfiguring for process afterwards | |
| CN110677910B (en) | Method for allocating initial access resource and method for acquiring initial access resource | |
| CN101466104A (en) | Method, system and device for detecting down interference source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |