RU2020100455A - Многолучевые кодовые книги с дополнительно оптимизированными издержками - Google Patents
Многолучевые кодовые книги с дополнительно оптимизированными издержками Download PDFInfo
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- RU2020100455A RU2020100455A RU2020100455A RU2020100455A RU2020100455A RU 2020100455 A RU2020100455 A RU 2020100455A RU 2020100455 A RU2020100455 A RU 2020100455A RU 2020100455 A RU2020100455 A RU 2020100455A RU 2020100455 A RU2020100455 A RU 2020100455A
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Classifications
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- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
-
- 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
- H04B7/0452—Multi-user MIMO systems
-
- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- 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
- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- 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
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
Claims (7)
- Способ передачи индикатора прекодера в сетевой узел, выполняемый в беспроводном устройстве (16), причем способ содержит этапы, на которых:
- определяют из кодовой книги индикатор прекодера, содержащий фазовый параметр (70) первого луча и фазовый параметр (70) второго луча, соответствующие соответственно первому лучу и второму лучу (S112);
- причем фазовый параметр (70) первого луча принимает одно из первого целого числа значений фазы и соответствует первой частотной гранулярности, а
- фазовый параметр (70) второго луча принимает одно из второго целого числа значений фазы и соответствует второй частотной гранулярности (S112), при этом выполняется по меньшей мере одно из следующих условий:
- второе целое число значений фазы меньше первого числа значений фазы, и
- вторая частотная гранулярность больше первой частотной гранулярности; и
- передают определенный индикатор прекодера в сетевой узел (14) (S114).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201662374564P | 2016-08-12 | 2016-08-12 | |
US62/374,564 | 2016-08-12 |
Related Parent Applications (1)
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RU2019106716A Division RU2713444C1 (ru) | 2016-08-12 | 2017-08-11 | Многолучевые кодовые книги с дополнительно оптимизированными издержками |
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RU2022101561A Division RU2022101561A (ru) | 2022-01-25 | Многолучевые кодовые книги с дополнительно оптимизированными издержками |
Publications (3)
Publication Number | Publication Date |
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RU2020100455A true RU2020100455A (ru) | 2020-03-02 |
RU2020100455A3 RU2020100455A3 (ru) | 2021-11-24 |
RU2765573C2 RU2765573C2 (ru) | 2022-02-01 |
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RU2020100455A RU2765573C2 (ru) | 2016-08-12 | 2017-08-11 | Многолучевые кодовые книги с дополнительно оптимизированными издержками |
RU2019106716A RU2713444C1 (ru) | 2016-08-12 | 2017-08-11 | Многолучевые кодовые книги с дополнительно оптимизированными издержками |
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RU2019106716A RU2713444C1 (ru) | 2016-08-12 | 2017-08-11 | Многолучевые кодовые книги с дополнительно оптимизированными издержками |
Country Status (14)
Country | Link |
---|---|
US (3) | US10484059B2 (ru) |
EP (3) | EP3497808B1 (ru) |
JP (4) | JP6920416B2 (ru) |
KR (2) | KR102376307B1 (ru) |
CN (1) | CN109845126B (ru) |
BR (1) | BR112019002821A2 (ru) |
CO (1) | CO2019001252A2 (ru) |
DK (1) | DK3754863T3 (ru) |
ES (2) | ES2841781T3 (ru) |
FI (1) | FI3754863T3 (ru) |
PL (1) | PL3754863T3 (ru) |
PT (1) | PT3754863T (ru) |
RU (2) | RU2765573C2 (ru) |
WO (1) | WO2018029645A2 (ru) |
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