CA2913117C - Methods and apparatus for clear channel assessment (cca) - Google Patents
Methods and apparatus for clear channel assessment (cca) Download PDFInfo
- Publication number
- CA2913117C CA2913117C CA2913117A CA2913117A CA2913117C CA 2913117 C CA2913117 C CA 2913117C CA 2913117 A CA2913117 A CA 2913117A CA 2913117 A CA2913117 A CA 2913117A CA 2913117 C CA2913117 C CA 2913117C
- Authority
- CA
- Canada
- Prior art keywords
- transmission bandwidth
- procedure
- transmission
- threshold
- wireless
- 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
- 238000000034 method Methods 0.000 title claims abstract description 578
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- 238000001514 detection method Methods 0.000 claims description 106
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- 238000004891 communication Methods 0.000 description 81
- 230000000875 corresponding effect Effects 0.000 description 44
- 230000006870 function Effects 0.000 description 42
- 238000001228 spectrum Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 238000005259 measurement Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 11
- 230000035945 sensitivity Effects 0.000 description 8
- 230000001419 dependent effect Effects 0.000 description 7
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- 230000000977 initiatory effect Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
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- 238000012546 transfer Methods 0.000 description 2
- HRANPRDGABOKNQ-ORGXEYTDSA-N (1r,3r,3as,3br,7ar,8as,8bs,8cs,10as)-1-acetyl-5-chloro-3-hydroxy-8b,10a-dimethyl-7-oxo-1,2,3,3a,3b,7,7a,8,8a,8b,8c,9,10,10a-tetradecahydrocyclopenta[a]cyclopropa[g]phenanthren-1-yl acetate Chemical compound C1=C(Cl)C2=CC(=O)[C@@H]3C[C@@H]3[C@]2(C)[C@@H]2[C@@H]1[C@@H]1[C@H](O)C[C@@](C(C)=O)(OC(=O)C)[C@@]1(C)CC2 HRANPRDGABOKNQ-ORGXEYTDSA-N 0.000 description 1
- 208000032370 Secondary transmission Diseases 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361843315P | 2013-07-05 | 2013-07-05 | |
| US61/843,315 | 2013-07-05 | ||
| US14/321,331 | 2014-07-01 | ||
| US14/321,331 US9537688B2 (en) | 2013-07-05 | 2014-07-01 | Methods and apparatus for clear channel assessment |
| PCT/US2014/045241 WO2015003053A1 (en) | 2013-07-05 | 2014-07-02 | Methods and apparatus for clear channel assessment (cca) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2913117A1 CA2913117A1 (en) | 2015-01-08 |
| CA2913117C true CA2913117C (en) | 2018-08-21 |
Family
ID=52132775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2913117A Expired - Fee Related CA2913117C (en) | 2013-07-05 | 2014-07-02 | Methods and apparatus for clear channel assessment (cca) |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9537688B2 (enExample) |
| EP (1) | EP3017647A1 (enExample) |
| JP (1) | JP6215463B2 (enExample) |
| KR (1) | KR101819626B1 (enExample) |
| CN (1) | CN105379399A (enExample) |
| CA (1) | CA2913117C (enExample) |
| TW (1) | TWI589140B (enExample) |
| WO (1) | WO2015003053A1 (enExample) |
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| US9763262B2 (en) | 2013-11-01 | 2017-09-12 | Qualcomm Incorporated | Wireless communications deferral based on transmission opportunity |
| KR101617410B1 (ko) | 2014-05-13 | 2016-05-02 | 주식회사 윌러스표준기술연구소 | 클리어 채널 할당을 위한 무선 통신 방법 및 이를 이용한 무선 통신 단말 |
| US10201019B2 (en) * | 2014-07-10 | 2019-02-05 | Lg Electronics Inc. | Method and apparatus for accessing broadband channel in wireless LAN system |
| CN106797662B (zh) | 2014-08-18 | 2020-11-10 | 韦勒斯标准与技术协会公司 | 用于同时数据通信的无线通信方法及使用该方法的无线通信终端 |
| US11317421B2 (en) * | 2014-11-20 | 2022-04-26 | British Telecommunications Public Limited Company | Cellular communications network |
| KR102442355B1 (ko) | 2014-12-02 | 2022-09-13 | 주식회사 윌러스표준기술연구소 | 클리어 채널 할당을 위한 무선 통신 단말 및 무선 통신 방법 |
| EP3242530B1 (en) * | 2014-12-31 | 2019-02-20 | Huawei Technologies Co., Ltd. | Data transmission method, apparatus and device |
| CN107211457B (zh) * | 2015-01-30 | 2021-05-25 | 瑞典爱立信有限公司 | 第一节点及其中的方法 |
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| KR102618731B1 (ko) | 2016-03-04 | 2023-12-29 | 주식회사 윌러스표준기술연구소 | 다른 베이직 서비스 세트와 중첩된 베이직 서비스 세트에서의 무선 통신 방법 및 무선 통신 단말 |
| CN108702794A (zh) * | 2016-03-08 | 2018-10-23 | 索尼公司 | 无线通信设备和无线通信方法 |
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| CN107770879B (zh) * | 2016-08-23 | 2020-06-16 | 华为技术有限公司 | 数据传输方法、装置及系统 |
| WO2018152985A1 (zh) * | 2017-02-27 | 2018-08-30 | 华为技术有限公司 | 数据发送方法和用户设备 |
| KR102367719B1 (ko) * | 2017-06-12 | 2022-02-24 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | 무선 통신 네트워크에서 통신을 수행하는 기술 |
| US10361835B2 (en) * | 2017-06-19 | 2019-07-23 | Mitsubishi Electric Research Laboratories, Inc. | System for coexistence of Wi-Fi HaLow network and low-rate wireless personal area network (LR-WPAN) |
| CN116916331A (zh) * | 2018-03-08 | 2023-10-20 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的用户设备、基站中的方法和装置 |
| CN112740739B (zh) * | 2018-11-20 | 2022-10-21 | 深圳市欢太科技有限公司 | 干扰处理方法、装置、存储介质及电子设备 |
| US11716757B2 (en) * | 2020-07-24 | 2023-08-01 | Qualcomm Incorporated | Clear channel assessment |
| US12126551B2 (en) * | 2020-08-11 | 2024-10-22 | Qualcomm Incorporated | Dynamic operating channel bandwidths with adjusted thresholds |
| US11792845B2 (en) * | 2020-08-19 | 2023-10-17 | Qualcomm Incorporated | Channel access with conditional variable energy detection thresholds in shared frequency bands |
| US12114353B2 (en) * | 2020-10-05 | 2024-10-08 | Qualcomm Incorporated | Category 4 (CAT4) listen-before-transmit (LBT) operations for wireless communications |
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| US12495367B2 (en) * | 2023-07-12 | 2025-12-09 | Silicon Laboratories Inc. | System, method and apparatus for adaptively controlling transmit power based on energy detection |
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-
2014
- 2014-07-01 US US14/321,331 patent/US9537688B2/en not_active Expired - Fee Related
- 2014-07-02 WO PCT/US2014/045241 patent/WO2015003053A1/en not_active Ceased
- 2014-07-02 CA CA2913117A patent/CA2913117C/en not_active Expired - Fee Related
- 2014-07-02 KR KR1020167003117A patent/KR101819626B1/ko not_active Expired - Fee Related
- 2014-07-02 JP JP2016524345A patent/JP6215463B2/ja not_active Expired - Fee Related
- 2014-07-02 EP EP14742682.9A patent/EP3017647A1/en not_active Withdrawn
- 2014-07-02 CN CN201480038186.8A patent/CN105379399A/zh active Pending
- 2014-07-03 TW TW103123019A patent/TWI589140B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR101819626B1 (ko) | 2018-01-17 |
| US9537688B2 (en) | 2017-01-03 |
| EP3017647A1 (en) | 2016-05-11 |
| CN105379399A (zh) | 2016-03-02 |
| CA2913117A1 (en) | 2015-01-08 |
| TWI589140B (zh) | 2017-06-21 |
| JP2016529774A (ja) | 2016-09-23 |
| TW201513618A (zh) | 2015-04-01 |
| JP6215463B2 (ja) | 2017-10-18 |
| KR20160030967A (ko) | 2016-03-21 |
| WO2015003053A1 (en) | 2015-01-08 |
| US20150009907A1 (en) | 2015-01-08 |
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