CA2917774C - Downlink procedures for lte/lte-a communication systems with unlicensed spectrum - Google Patents
Downlink procedures for lte/lte-a communication systems with unlicensed spectrum Download PDFInfo
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- CA2917774C CA2917774C CA2917774A CA2917774A CA2917774C CA 2917774 C CA2917774 C CA 2917774C CA 2917774 A CA2917774 A CA 2917774A CA 2917774 A CA2917774 A CA 2917774A CA 2917774 C CA2917774 C CA 2917774C
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- cca
- lte
- unlicensed spectrum
- base station
- subframe
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- 238000001228 spectrum Methods 0.000 title claims abstract description 200
- 238000004891 communication Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 111
- 125000004122 cyclic group Chemical group 0.000 claims description 31
- 230000002776 aggregation Effects 0.000 claims description 23
- 238000004220 aggregation Methods 0.000 claims description 23
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- 230000004044 response Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 14
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 49
- 230000002457 bidirectional effect Effects 0.000 description 24
- 238000005259 measurement Methods 0.000 description 10
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Classifications
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
- H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
- H04J2211/005—Long term evolution [LTE]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361866905P | 2013-08-16 | 2013-08-16 | |
| US61/866,905 | 2013-08-16 | ||
| US14/459,651 | 2014-08-14 | ||
| US14/459,651 US9591644B2 (en) | 2013-08-16 | 2014-08-14 | Downlink procedures for LTE/LTE-A communication systems with unlicensed spectrum |
| PCT/US2014/051184 WO2015023910A2 (en) | 2013-08-16 | 2014-08-15 | Downlink procedures for lte/lte-a communication systems with unlicensed spectrum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2917774A1 CA2917774A1 (en) | 2015-02-19 |
| CA2917774C true CA2917774C (en) | 2023-05-23 |
Family
ID=52466807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2917774A Active CA2917774C (en) | 2013-08-16 | 2014-08-15 | Downlink procedures for lte/lte-a communication systems with unlicensed spectrum |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9591644B2 (enExample) |
| EP (2) | EP3033910B1 (enExample) |
| JP (3) | JP6449883B2 (enExample) |
| KR (2) | KR102238673B1 (enExample) |
| CN (2) | CN109561483B (enExample) |
| CA (1) | CA2917774C (enExample) |
| WO (1) | WO2015023910A2 (enExample) |
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2014
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- 2014-08-15 WO PCT/US2014/051184 patent/WO2015023910A2/en not_active Ceased
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- 2014-08-15 KR KR1020167006301A patent/KR102238673B1/ko active Active
- 2014-08-15 CN CN201811397305.5A patent/CN109561483B/zh active Active
- 2014-08-15 CN CN201480045152.1A patent/CN105453654B/zh active Active
- 2014-08-15 EP EP21187597.6A patent/EP3965475A1/en active Pending
- 2014-08-15 KR KR1020217009904A patent/KR102355378B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3965475A1 (en) | 2022-03-09 |
| JP2016530815A (ja) | 2016-09-29 |
| EP3033910B1 (en) | 2021-07-28 |
| CN105453654A (zh) | 2016-03-30 |
| CN109561483A (zh) | 2019-04-02 |
| WO2015023910A2 (en) | 2015-02-19 |
| JP7072620B2 (ja) | 2022-05-20 |
| WO2015023910A3 (en) | 2015-04-09 |
| CN105453654B (zh) | 2018-12-04 |
| CN109561483B (zh) | 2021-10-29 |
| EP3033910A2 (en) | 2016-06-22 |
| KR20160042995A (ko) | 2016-04-20 |
| US20170181003A1 (en) | 2017-06-22 |
| JP6449883B2 (ja) | 2019-01-09 |
| US9591644B2 (en) | 2017-03-07 |
| JP6824946B2 (ja) | 2021-02-03 |
| KR102355378B1 (ko) | 2022-01-24 |
| CA2917774A1 (en) | 2015-02-19 |
| US20150049741A1 (en) | 2015-02-19 |
| JP2019068449A (ja) | 2019-04-25 |
| JP2021002870A (ja) | 2021-01-07 |
| KR102238673B1 (ko) | 2021-04-08 |
| KR20210038732A (ko) | 2021-04-07 |
| US10362487B2 (en) | 2019-07-23 |
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