RU2016106398A - Способ и аппарат для многопользовательской восходящей линии связи - Google Patents

Способ и аппарат для многопользовательской восходящей линии связи Download PDF

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RU2016106398A
RU2016106398A RU2016106398A RU2016106398A RU2016106398A RU 2016106398 A RU2016106398 A RU 2016106398A RU 2016106398 A RU2016106398 A RU 2016106398A RU 2016106398 A RU2016106398 A RU 2016106398A RU 2016106398 A RU2016106398 A RU 2016106398A
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Симоне МЕРЛИН
Гвендолин Дэнис БАРРИАК
Хемантх САМПАТХ
Самир ВЕРМАНИ
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Квэлкомм Инкорпорейтед
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  • Engineering & Computer Science (AREA)
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  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
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Claims (39)

1. Аппарат для беспроводной связи, содержащий:
передатчик, выполненный с возможностью передачи CTX-сообщения (сообщения разрешения передачи) двум или более станциям, при этом CTX-сообщение указывает возможность передачи по восходящей линии связи, причем CTX-сообщение дополнительно содержит запрос для упомянутых двух или более станций на одновременную передачу данных восходящей линии связи в конкретное время; и
приемник, выполненный с возможностью приема множества передач данных восходящей линии связи в конкретное время от по меньшей мере двух станций из упомянутых двух или более станций.
2. Аппарат по п.1, в котором возможность передачи по восходящей линии связи имеет общую продолжительность для каждой из множества передач данных восходящей линии связи.
3. Аппарат по п.1, в котором конкретное время сообщается на основе SIFS (короткого межкадрового промежутка) или времени PIFS (межкадрового интервала точки) после окончания передачи сообщения.
4. Аппарат по п.1, в котором приемник дополнительно выполнен с возможностью приема множества CTS-сообщений (сообщений готовности к отправке) с наличием общей псевдослучайной последовательности сразу после окончания передачи CTX-сообщения и перед приемом множества данных восходящей линии связи.
5. Аппарат по п.1, в котором CTX-сообщение содержит поле продолжительности PPDU (блока данных физического уровня), указывающее продолжительность для передачи данных восходящей линии связи.
6. Аппарат по п.1, в котором CTX-сообщение содержит одно или более полей информации для STA (станции) для конкретной станции.
7. Аппарат по п.6, в котором поле информации для STA (станции) содержит указание разрешенных режимов передачи.
8. Аппарат по п.7, в котором указание разрешенных режимов передачи содержит один или более из режима короткого/длинного GI (защитного интервала) или циклического префикса, режима BCC (двоичного сверточного кода)/LDPC (малой плотности проверок на четность) и режима STBC (пространственно-временного блочного кодирования).
9. Аппарат по п.6, в котором поле информации для STA (станции) содержит поле назначения тона, указывающее тон и/или частоты для передачи данных восходящей линии связи с использованием FDMA-системы (системы множественного доступа с частотным разделением) и/или ортогональной FDMA-системы.
10. Аппарат по п.6, в котором поле информации для STA (станции) содержит поле времени начала передачи, указывающее время начала для передачи данных восходящей линии связи.
11. Аппарат по п.6, в котором поле информации для STA (станции) содержит одно или более из поля идентификатора адреса, количества и номера пространственных потоков, поля регулировки времени, поля регулировки мощности, поля разрешенного идентификатора трафика и поля схемы модуляции и кодирования.
12. Аппарат по п.1, в котором CTX-сообщение содержит поле GID (идентификатора группы), указывающее упомянутые две или более станций в качестве группы станций для одновременной передачи данных восходящей линии связи в конкретное время.
13. Аппарат по п.1, в котором CTX-сообщение содержит поле RA (адреса приемника), указывающее адрес одноадресной или многоадресной передачи, который идентифицирует упомянутые две или более станций в качестве группы станций для одновременной передачи данных восходящей линии связи в конкретное время.
14. Аппарат по п.1, в котором CTX-сообщение содержит поле, указывающее информацию о скорости передачи данных для упомянутых двух или более станций в качестве группы станций для одновременной передачи данных восходящей линии связи в конкретное время.
15. Аппарат по п.1, в котором CTX-сообщение содержит одно или более из поля управления кадром, поля адреса передатчика, поля продолжительности и поля BSSID (идентификатора базового набора служб).
16. Аппарат по п.1, в котором CTX-сообщение содержит кадр администрирования или кадр управления.
17. Аппарат по п.1, в котором приемник дополнительно выполнен с возможностью приема запроса на передачу данных восходящей линии связи от упомянутых двух или более станций.
18. Аппарат по п.17, в котором запрос на передачу данных восходящей линии связи содержит RTS-сообщение (сообщение запроса на отправку), RTX-сообщение (сообщение запроса на передачу), сообщение опроса при PS (экономии мощности) или сообщение нулевого QoS (качества обслуживания).
19. Аппарат по п.17, в котором передатчик дополнительно выполнен с возможностью передачи второго CTX-сообщения в ответ на запрос на передачу данных восходящей линии связи, причем второе CTX-сообщение указывает, что был принят запрос на передачу данных восходящей линии связи, но с исключением указания возможности передачи по восходящей линии связи.
20. Аппарат по п.1, в котором передатчик дополнительно выполнен с возможностью передачи CTX-сообщения, объединенного со вторым сообщением.
21. Способ для беспроводной связи, содержащий этапы, на которых:
передают сообщение разрешения передачи (CTX-сообщение) двум или более станциям, при этом CTX-сообщение указывает возможность передачи по восходящей линии связи, причем CTX-сообщение дополнительно содержит запрос для упомянутых двух или более станций в качестве группы станций на одновременную передачу данных восходящей линии связи в конкретное время; и
принимают множество передач данных восходящей линии связи в конкретное время от по меньшей мере двух станций из упомянутых двух или более станций.
22. Способ по п.21, в котором CTX-сообщение содержит поле RA (адреса приемника), указывающее адрес одноадресной или многоадресной передачи, который идентифицирует упомянутые две или более станций в качестве группы станций для одновременной передачи данных восходящей линии связи в конкретное время, при этом CTX-сообщение дополнительно содержит поле информации для STA (станции).
23. Способ по п.21, в котором поле информации для STA (станции) содержит одно или более из поля идентификатора адреса, поля количества пространственных потоков, поля регулировки времени, поля регулировки мощности, поля разрешенного идентификатора трафика и поля схемы модуляции и кодирования.
24. Способ по п.21, дополнительно содержащий этап, на котором передают CTX-сообщение, объединенное со вторым сообщением.
25. Аппарат для беспроводной связи, содержащий:
средство для передачи сообщения разрешения отправки (CTX-сообщения) двум или более станциям, при этом CTX-сообщение указывает возможность передачи по восходящей линии связи, причем CTX-сообщение дополнительно содержит запрос для упомянутых двух или более станций в качестве группы станций на одновременную передачу данных восходящей линии связи в конкретное время; и
средство для приема множества передач данных восходящей линии связи в конкретное время от по меньшей мере двух станций из упомянутых двух или более станций.
26. Аппарат по п.25, в котором CTX-сообщение содержит поле продолжительности PPDU (блока данных физического уровня), указывающее продолжительность данных восходящей линии связи, и при этом CTX-сообщение дополнительно содержит поле RA (адреса приемника), указывающее адрес одноадресной или многоадресной передачи, который идентифицирует упомянутые две или более станций в качестве группы станций для одновременной передачи данных восходящей линии связи в конкретное время.
27. Аппарат по п.25, в котором CTX-сообщение содержит поле информации для STA (станции), содержащее одно или более из поля идентификатора адреса, поля количества пространственных потоков, поля регулировки времени, поля регулировки мощности, поля разрешенного идентификатора трафика, поля схемы модуляции и кодирования, указания разрешенных режимов передачи и поля назначения тона.
28. Считываемый компьютером носитель, содержащий команды, которые при исполнении предписывают процессору выполнять способ:
передачи сообщения разрешения передачи (CTX-сообщения) двум или более станциям, при этом CTX-сообщение указывает возможность передачи по восходящей линии связи, причем CTX-сообщение дополнительно содержит запрос для упомянутых двух или более станций в качестве группы станций на одновременную передачу данных восходящей линии связи в конкретное время; и
приема множества передач данных восходящей линии связи в конкретное время от по меньшей мере двух станций из упомянутых двух или более станций.
29. Носитель по п.28, в котором способ дополнительно содержит прием множества CTS-сообщений (сообщений готовности к отправке) с наличием общей псевдослучайной последовательности сразу после окончания передачи CTX-сообщения и перед приемом множества данных восходящей линии связи.
30. Носитель по п.28, в котором передача CTX-сообщения содержит передачу CTX-сообщения в ответ на передачу запроса данных восходящей линии связи.
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