US20170265225A1 - User terminal, radio base station and radio communication method - Google Patents
User terminal, radio base station and radio communication method Download PDFInfo
- Publication number
- US20170265225A1 US20170265225A1 US15/500,216 US201515500216A US2017265225A1 US 20170265225 A1 US20170265225 A1 US 20170265225A1 US 201515500216 A US201515500216 A US 201515500216A US 2017265225 A1 US2017265225 A1 US 2017265225A1
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- United States
- Prior art keywords
- user terminal
- lbt
- period
- transmission
- sensing
- Prior art date
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Images
Classifications
-
- 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]
-
- 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]
- H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
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- H04W72/1284—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
Definitions
- LTE When run in an unlicensed band, LTE may be carried out without even synchronization, coordination and/or cooperation between different operators and/or non-operators. In this case, a plurality of operators and/or systems share and use the same frequency in the unlicensed band, and therefore there is a threat of producing cross-interference.
- UE 1 judges that the channel is free in the LBT period, and transmits information representing a selected CB grant (UL grant 1 ) by using the first OFDM symbol of the report period. Meanwhile, UE 2 suffers the impact of interference from the signal transmitted from UE 1 , and judges that the channel is busy, in the LBT period. UE 1 transmits the PUSCH based on the above CB grant, and, if a failure of reception of the PUSCH is reported from the eNB a predetermined number of subframes later, executes retransmission control.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014156210 | 2014-07-31 | ||
| JP2014-156210 | 2014-07-31 | ||
| PCT/JP2015/068210 WO2016017327A1 (ja) | 2014-07-31 | 2015-06-24 | ユーザ端末、無線基地局及び無線通信方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/068210 A-371-Of-International WO2016017327A1 (ja) | 2014-07-31 | 2015-06-24 | ユーザ端末、無線基地局及び無線通信方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US16/776,019 Continuation US11490421B2 (en) | 2014-07-31 | 2020-01-29 | User terminal and radio communication method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20170265225A1 true US20170265225A1 (en) | 2017-09-14 |
Family
ID=55217232
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US15/500,216 Abandoned US20170265225A1 (en) | 2014-07-31 | 2015-06-24 | User terminal, radio base station and radio communication method |
| US16/776,019 Active US11490421B2 (en) | 2014-07-31 | 2020-01-29 | User terminal and radio communication method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US16/776,019 Active US11490421B2 (en) | 2014-07-31 | 2020-01-29 | User terminal and radio communication method |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20170265225A1 (ja) |
| JP (2) | JP6609252B2 (ja) |
| CN (1) | CN106664568B (ja) |
| WO (1) | WO2016017327A1 (ja) |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20170230838A1 (en) * | 2016-02-05 | 2017-08-10 | Qualcomm Incorporated | Autonomous uplink transmission in unlicensed spectrum |
| US20170230945A1 (en) * | 2016-02-04 | 2017-08-10 | Ofinno Technologies, Llc | Multi-Carrier Detection in a Wireless Network |
| US20170244536A1 (en) * | 2014-11-26 | 2017-08-24 | Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd. | Data Transmission Method, Data Transmission System, Control Method, Control System, and Device |
| US20170347271A1 (en) * | 2015-11-10 | 2017-11-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink and/or downlink signaling related to different radio access technologies |
| US20180185360A1 (en) * | 2015-06-29 | 2018-07-05 | Galderma Research & Development | Cgrp receptor antagonist compounds for topical treatment of skin disorders |
| US20180255579A1 (en) * | 2015-11-12 | 2018-09-06 | Fujitsu Limited | Terminal device, base station device, wireless communication system, and wireless communication method |
| US20180270034A1 (en) * | 2015-11-27 | 2018-09-20 | Huawei Technologies Co., Ltd. | Data Transmission Method, And Apparatus |
| US10172124B2 (en) | 2015-09-22 | 2019-01-01 | Comcast Cable Communications, Llc | Carrier selection in a multi-carrier wireless network |
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| US20190098523A1 (en) * | 2017-01-09 | 2019-03-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Systems and Methods for Reliable Dynamic Indication for Semi-Persistent CSI-RS |
| US20190110310A1 (en) * | 2016-04-22 | 2019-04-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for performing unscheduled uplink transmissions on an unlicensed band |
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| US10548121B2 (en) | 2016-02-03 | 2020-01-28 | Comcast Cable Communications, Llc | Downlink and uplink channel transmission and monitoring in a wireless network |
| US10805954B2 (en) * | 2016-06-22 | 2020-10-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-grant for listen-before-talk based uplink transmission attempts |
| US10848977B2 (en) | 2016-11-02 | 2020-11-24 | Comcast Cable Communications, Llc | Dual connectivity with licensed assisted access |
| US20210058976A1 (en) * | 2019-02-15 | 2021-02-25 | Qualcomm Incorporated | Random access channel access and validity procedures |
| US10965510B2 (en) | 2017-07-12 | 2021-03-30 | Lg Electronics Inc. | Method for receiving NRS and NB-IoT device thereof |
| US11076357B2 (en) * | 2016-04-08 | 2021-07-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink power control on unlicensed carriers |
| US11147062B2 (en) | 2016-10-14 | 2021-10-12 | Comcast Cable Communications, Llc | Dual connectivity power control for wireless network and wireless device |
| US11330626B2 (en) | 2016-10-29 | 2022-05-10 | Comcast Cable Communications, Llc | Cell configuration parameters based on base station listen-before-talk procedures |
| US11464044B2 (en) | 2020-12-10 | 2022-10-04 | Charter Communications Operating, Llc | Wireless channel monitoring, acquisition, and alignment |
| US11678369B2 (en) | 2020-12-10 | 2023-06-13 | Charter Communications Operating, Llc | Wireless channel monitoring, acquisition, and usage |
| US11758583B2 (en) * | 2020-12-10 | 2023-09-12 | Charter Communications Operating, Llc | Wireless channel monitor system and channel use |
| US12022466B2 (en) | 2018-09-27 | 2024-06-25 | Panasonic Intellectual Property Corporation Of America | Terminal and communication method for allocating uplink resources |
| US12150146B2 (en) | 2023-03-31 | 2024-11-19 | Interdigital Patent Holdings, Inc. | Radio PDCCH to facilitate numerology operations |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017142452A1 (en) | 2016-02-18 | 2017-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | A method for determining parameters for transmitting on an uplink control channel |
| US20190141702A1 (en) * | 2016-05-23 | 2019-05-09 | Huawei Technologies Co., Ltd. | Data Transmission Method, Network Device, And Terminal Device |
| US10624125B2 (en) * | 2016-10-26 | 2020-04-14 | Qualcomm Incorporated | Techniques for semi-autonomously scheduling an uplink transmission in a shared radio frequency spectrum band |
| CN108541074B (zh) | 2017-03-06 | 2023-10-31 | 中兴通讯股份有限公司 | 随机接入发送方法、接收方法及装置、发射端及接收端 |
| CN111108729B (zh) * | 2017-05-12 | 2022-07-19 | 株式会社Ntt都科摩 | 用户终端以及无线通信方法 |
| WO2018207371A1 (ja) * | 2017-05-12 | 2018-11-15 | 株式会社Ｎｔｔドコモ | ユーザ端末及び無線通信方法 |
| BR112020002718A2 (pt) * | 2017-08-09 | 2020-07-28 | Ntt Docomo, Inc. | terminal e método de radiocomunicação |
| US11184776B2 (en) * | 2018-07-16 | 2021-11-23 | Kt Corporation | Method and apparatus for performing wireless communication in unlicensed band |
| EP3858023A1 (en) * | 2018-09-27 | 2021-08-04 | Convida Wireless, Llc | Sub-band operations in unlicensed spectrums of new radio |
| US11895698B2 (en) | 2019-01-09 | 2024-02-06 | Wilus Institute Of Standards And Technology Inc. | Channel access method for carrying out transmission in unlicensed band, and device using same |
| US11631018B2 (en) | 2020-06-01 | 2023-04-18 | Bank Of America Corporation | Performing enhanced exception processing using cognitive automation tools |
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-
2015
- 2015-06-24 US US15/500,216 patent/US20170265225A1/en not_active Abandoned
- 2015-06-24 WO PCT/JP2015/068210 patent/WO2016017327A1/ja active Application Filing
- 2015-06-24 JP JP2016538220A patent/JP6609252B2/ja active Active
- 2015-06-24 CN CN201580041199.5A patent/CN106664568B/zh active Active
-
2019
- 2019-10-25 JP JP2019193917A patent/JP6865504B2/ja active Active
-
2020
- 2020-01-29 US US16/776,019 patent/US11490421B2/en active Active
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Cited By (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10271344B2 (en) * | 2014-11-06 | 2019-04-23 | China Academy Of Telecommunications Technology | Data channel scheduling method, device and system |
| US20170244536A1 (en) * | 2014-11-26 | 2017-08-24 | Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd. | Data Transmission Method, Data Transmission System, Control Method, Control System, and Device |
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| US20180185360A1 (en) * | 2015-06-29 | 2018-07-05 | Galderma Research & Development | Cgrp receptor antagonist compounds for topical treatment of skin disorders |
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| US11516792B2 (en) | 2015-09-22 | 2022-11-29 | Comcast Cable Communications, Llc | Cell activation and deactivation in a wireless network |
| US11095403B2 (en) | 2015-09-22 | 2021-08-17 | Comcast Cable Communications, Llc | Carrier activation in a multi-carrier wireless network |
| US11671215B2 (en) | 2015-09-22 | 2023-06-06 | Comcast Cable Communications, Llc | Carrier activation in a multi-carrier wireless network |
| US10708901B2 (en) | 2015-09-22 | 2020-07-07 | Comcast Cable Communications, Llc | Carrier selection in a multi-carrier wireless network |
| US10673584B2 (en) | 2015-09-22 | 2020-06-02 | Comcast Cable Communications, Llc | Carrier activation in a multi-carrier wireless network |
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| US11943787B2 (en) | 2015-10-17 | 2024-03-26 | Comcast Cable Communications, Llc | Control channel configuration |
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| US10548121B2 (en) | 2016-02-03 | 2020-01-28 | Comcast Cable Communications, Llc | Downlink and uplink channel transmission and monitoring in a wireless network |
| US11272495B2 (en) | 2016-02-03 | 2022-03-08 | Comcast Cable Communications, Llc | Downlink and uplink channel transmission and monitoring in a wireless network |
| US11737116B2 (en) | 2016-02-03 | 2023-08-22 | Comcast Cable Communications, Llc | Downlink and uplink channel transmission and monitoring in a wireless network |
| US11330627B2 (en) * | 2016-02-04 | 2022-05-10 | Comcast Cable Communications, Llc | Multi-carrier detection in a wireless network |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106664568A (zh) | 2017-05-10 |
| JP2020025318A (ja) | 2020-02-13 |
| US11490421B2 (en) | 2022-11-01 |
| CN106664568B (zh) | 2021-06-29 |
| US20200170041A1 (en) | 2020-05-28 |
| WO2016017327A1 (ja) | 2016-02-04 |
| JP6865504B2 (ja) | 2021-04-28 |
| JP6609252B2 (ja) | 2019-11-20 |
| JPWO2016017327A1 (ja) | 2017-05-25 |
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