PL3139642T3 - Urządzenie, układ i sposób jednoczesnej komunikacji z grupą bezprzewodowych urządzeń komunikacyjnych - Google Patents
Urządzenie, układ i sposób jednoczesnej komunikacji z grupą bezprzewodowych urządzeń komunikacyjnychInfo
- Publication number
- PL3139642T3 PL3139642T3 PL16191629T PL16191629T PL3139642T3 PL 3139642 T3 PL3139642 T3 PL 3139642T3 PL 16191629 T PL16191629 T PL 16191629T PL 16191629 T PL16191629 T PL 16191629T PL 3139642 T3 PL3139642 T3 PL 3139642T3
- Authority
- PL
- Poland
- Prior art keywords
- group
- wireless communication
- communication devices
- simultaneously communicating
- communicating
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
- H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
- H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/642,818 US9173191B2 (en) | 2009-12-20 | 2009-12-20 | Device, system and method of simultaneously communicating with a group of wireless communication devices |
EP10838091.6A EP2514222B1 (en) | 2009-12-20 | 2010-11-18 | Device, system and method of simultaneously communicating with a group of wireless communication devices |
EP16191629.1A EP3139642B1 (en) | 2009-12-20 | 2010-11-18 | Device, system and method of simultaneously communicating with a group of wireless communication devices |
PCT/US2010/057288 WO2011075271A2 (en) | 2009-12-20 | 2010-11-18 | Device, system and method of simultaneously communicating with a group of wireless communication devices |
Publications (1)
Publication Number | Publication Date |
---|---|
PL3139642T3 true PL3139642T3 (pl) | 2021-02-08 |
Family
ID=44150971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL16191629T PL3139642T3 (pl) | 2009-12-20 | 2010-11-18 | Urządzenie, układ i sposób jednoczesnej komunikacji z grupą bezprzewodowych urządzeń komunikacyjnych |
Country Status (6)
Country | Link |
---|---|
US (6) | US9173191B2 (pl) |
EP (4) | EP3923603B1 (pl) |
JP (4) | JP5607173B2 (pl) |
CN (2) | CN102104408B (pl) |
PL (1) | PL3139642T3 (pl) |
WO (1) | WO2011075271A2 (pl) |
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