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RU2000109598A - METHOD AND DEVICE FOR DATA TRANSMISSION IN A SYSTEM WITH MULTIPLE CARRIER FREQUENCIES - Google Patents

METHOD AND DEVICE FOR DATA TRANSMISSION IN A SYSTEM WITH MULTIPLE CARRIER FREQUENCIES

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Publication number
RU2000109598A
RU2000109598A RU2000109598/09A RU2000109598A RU2000109598A RU 2000109598 A RU2000109598 A RU 2000109598A RU 2000109598/09 A RU2000109598/09 A RU 2000109598/09A RU 2000109598 A RU2000109598 A RU 2000109598A RU 2000109598 A RU2000109598 A RU 2000109598A
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channel
data
symbols
receiving
controller
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RU2000109598/09A
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Russian (ru)
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RU2216866C2 (en
Inventor
Ю-Чеун ДЗОУ
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Квэлкомм Инкорпорейтед
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Priority claimed from US08/931,536 external-priority patent/US6389000B1/en
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Publication of RU2000109598A publication Critical patent/RU2000109598A/en
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Claims (39)

1. Передатчик для передачи данных на скорости передачи данных во множестве каналов, каждый из которых имеет пропускную способность меньшую, чем скорость передачи данных, содержащий контроллер для определения пропускной способности каждого из множества каналов и выбора скорости передачи данных для каждого канала в зависимости от определенной пропускной способности; множество подсистем передачи, чувствительных к контроллеру, причем каждая из них связана с соответствующим каналом из множества каналов, для шифрования кодированных данных кодами, уникальными для канала, для передачи в канале; и переменный демультиплексор, чувствительный к контроллеру, для демультиплексирования закодированных данных во множество подсистем передачи на скорости демультиплексирования, полученной из скоростей передачи данных, выбранных для каналов контроллером.1. A transmitter for transmitting data at a data rate in multiple channels, each of which has a bandwidth lower than the data rate, comprising a controller for determining the bandwidth of each of the multiple channels and selecting a data rate for each channel depending on the specific bandwidth abilities; a plurality of transmission subsystems sensitive to the controller, each of which is associated with a corresponding channel from a plurality of channels for encrypting encoded data with codes unique to the channel for transmission in the channel; and a variable controller-sensitive demultiplexer for demultiplexing the encoded data into a plurality of transmission subsystems at a demultiplexing rate obtained from the data rates selected for the channels by the controller. 2. Передатчик по п. 1, дополнительно содержащий шифратор для генерации кодированных данных из кадров данных, вводимых в него. 2. The transmitter of claim 1, further comprising an encoder for generating encoded data from data frames input to it. 3. Передатчик по п. 1 или 2, в котором каждая подсистема передачи содержит блок повторения символов для повторения символов, чтобы выдавать их на скорости передачи, соответствующей скорости передачи, выбранной для канала контроллером. 3. The transmitter according to claim 1 or 2, in which each transmission subsystem comprises a symbol repetition unit for repeating the characters to output them at a transmission speed corresponding to the transmission speed selected for the channel by the controller. 4. Передатчик по п. 3, в котором каждая подсистема передачи содержит блок перемежения для изменения порядка следования повторяемых символов в зависимости от формата перемежения, определенного контроллером. 4. The transmitter of claim 3, wherein each transmission subsystem comprises an interleaver for changing the sequence of repeated characters depending on the interleaving format defined by the controller. 5. Передатчик по п. 4, дополнительно содержащий генератор длинного кода для генерации соответствующего длинного кода для каждого канала; и в каждой подсистеме передачи, шифратор для шифрации символов с измененным порядком следования, используя соответствующий код для канала. 5. The transmitter of claim 4, further comprising a long code generator for generating a corresponding long code for each channel; and in each transmission subsystem, an encryptor for encrypting characters with a changed sequence using the appropriate code for the channel. 6. Передатчик по п. 5, в котором генератор длинного кода содержит для каждого канала блок децимации для децимации генерированного длинного кода на скорости децимации, определенной контроллером так, чтобы получать соответствующие длинные коды для каждого канала. 6. The transmitter of claim 5, wherein the long code generator comprises, for each channel, a decimation unit for decimating the generated long code at the decimation rate determined by the controller so as to obtain corresponding long codes for each channel. 7. Передатчик по п. 6, дополнительно содержащий блоки переменного кодирования в каждой подсистеме передачи для модуляции шифрованных символов от шифратора. 7. The transmitter according to claim 6, further comprising variable coding units in each transmission subsystem for modulating encrypted symbols from the encoder. 8. Передатчик по п. 7, в котором блоки кодирования предназначены модулировать шифрованные символы соответствующим кодом Уолша. 8. The transmitter according to claim 7, in which the coding blocks are designed to modulate the encrypted characters with the corresponding Walsh code. 9. Передатчик по п. 7 или 8, дополнительно содержащий псевдошумовое устройство расширения в каждом канале для расширения модулированных символов. 9. The transmitter of claim 7 or 8, further comprising a pseudo noise expansion device in each channel for expanding the modulated symbols. 10. Передатчик по любому из предшествующих пунктов, дополнительно содержащий; переключатель; и множество модуляторов несущих частот, в котором переключатель является чувствительным к контроллеру, для переключения шифрованных данных от множества подсистем передачи между множеством модуляторов несущих частот, для модуляции сигналов на различные несущие частоты в разное время. 10. The transmitter according to any one of the preceding paragraphs, further comprising; switch; and a plurality of carrier frequency modulators, in which the switch is sensitive to the controller, for switching encrypted data from a plurality of transmission subsystems between the plurality of carrier frequency modulators, for modulating signals to different carrier frequencies at different times. 11. Приемник, содержащий: схему приема для приема сигналов одновременно во множестве каналов, причем каждый из этих сигналов определяет шифрованные закодированные символы, которые вместе представляют собой данные от общего источника; контроллер для определения скорости передачи символов для сигналов в каждом канале; множество подсистем приема, чувствительных к контроллеру, и каждая из которых связана с соответствующим одним из множества каналов для дешифрации закодированных символов кодами, уникальными к каналу, чтобы разрешить извлечение данных из него; и переменный мультиплексор, чувствительный к контроллеру, для мультиплексирования данных от множества подсистем приема на скорости мультиплексирования, полученной из скоростей передачи символов, определенных для каналов контроллером на выходе. 11. A receiver, comprising: a receiving circuit for receiving signals simultaneously in a plurality of channels, each of these signals defining encrypted encoded symbols, which together represent data from a common source; a controller for determining the symbol rate for the signals in each channel; a plurality of receiving subsystems sensitive to the controller, and each of which is associated with one of a plurality of channels for decrypting encoded symbols with codes unique to the channel to permit data extraction from it; and a variable controller-sensitive multiplexer for multiplexing data from a plurality of receiving subsystems at a multiplexing rate obtained from symbol rates determined for the channels by the output controller. 12. Приемник по п. 11, дополнительно содержащий дешифратор для дешифрации закодированных данных, выдаваемых из мультиплексора в кадрах данных. 12. The receiver according to claim 11, further comprising a decoder for decrypting the encoded data output from the multiplexer in the data frames. 13. Приемник по п. 11 или 12, дополнительно содержащий псевдошумовое устройство сжатия в каждом канале для сжатия шифрованных кодированных символов. 13. The receiver of claim 11 or 12, further comprising a pseudo-noise compression device in each channel for compressing encrypted encoded symbols. 14. Приемник по п. 13, дополнительно содержащий переменные блоки дешифрации в каждой подсистеме приема для демодуляции сжатых символов из устройства сжатия. 14. The receiver of claim 13, further comprising variable decryption units in each receiving subsystem for demodulating the compressed symbols from the compression device. 15. Приемник по п. 14, в котором блоки дешифрации предназначены демодулировать сжатые символы соответствующим кодом Уолша. 15. The receiver of claim 14, wherein the decryption units are intended to demodulate the compressed symbols with the corresponding Walsh code. 16. Приемник по п. 15, дополнительно содержащий в каждой подсистеме приема дешифратор для дешифрации сжатых символов, используя соответствующий длинный код для канала. 16. The receiver of claim 15, further comprising, in each receiving subsystem, a decoder for decrypting the compressed symbols using the corresponding long code for the channel. 17. Приемник по п. 16, в котором каждая подсистема приема содержит блок обращенного перемежения для изменения порядка следования повторяемых символов в зависимости от формата перемежения, определенного контроллером. 17. The receiver of claim 16, wherein each receiving subsystem comprises a reverse interleaver for changing the sequence of repeated characters depending on the interleaving format defined by the controller. 18. Приемник по п. 17, в котором каждая подсистема приема содержит устройство объединения символов для объединения символов, чтобы выдать их к демультиплексору на скорости, соответствующей скорости передачи, определенной для канала контроллером. 18. The receiver of claim 17, wherein each receiving subsystem comprises a symbol combiner for combining the symbols to output them to the demultiplexer at a speed corresponding to the transmission rate determined for the channel by the controller. 19. Приемник по любому из пп. 11 - 18, дополнительно содержащий: переключатель; и множество демодуляторов несущих частот, в котором переключатель является чувствительным к контроллеру для переключения принятых сигналов между множеством демодуляторов несущих частот, для демодуляции сигналов в различные подсистемы приема в разное время. 19. The receiver according to any one of paragraphs. 11 to 18, further comprising: a switch; and a plurality of carrier demodulators, in which the switch is sensitive to the controller for switching received signals between the plurality of carrier demodulators, for demodulating the signals to different reception subsystems at different times. 20. Радиопередатчик, содержащий: шифратор для приема набора бит информации и кодирования упомянутых бит информации, чтобы обеспечить набор символов кода; и подсистему передачи для приема упомянутых символов кода и для обеспечения поднабора упомянутых символов кода на первой несущей частоте, а остальных символов на, по меньшей мере, одной дополнительной несущей частоте. 20. A radio transmitter comprising: an encoder for receiving a set of information bits and encoding said information bits to provide a code character set; and a transmission subsystem for receiving said code symbols and for providing a subset of said code symbols at a first carrier frequency, and other symbols at at least one additional carrier frequency. 21. Способ передачи данных со скоростью передачи данных во множестве каналов, каждый из которых имеет пропускную способность меньше, чем скорость передачи данных, заключающийся в том, что определяют пропускную способность каждого из множества каналов и выбирают скорость передачи данных для каждого канала в зависимости от определенной пропускной способности; обеспечивают шифрацию кодированных данных кодами, уникальными для канала для передачи в канале; и демультиплексируют кодированные данные во множество каналов на скорости демультиплексирования, полученной из скоростей передачи данных, выбранных для каналов контроллером. 21. A method of transmitting data with a data rate in multiple channels, each of which has a bandwidth less than the data rate, which consists in determining the bandwidth of each of the multiple channels and select a data rate for each channel depending on the specific bandwidth; provide encryption of encoded data with codes unique to the channel for transmission in the channel; and demultiplexing the encoded data into a plurality of channels at a demultiplexing rate obtained from the data rates selected for the channels by the controller. 22. Способ по п. 21, дополнительно содержащий шифратор для генерации кодированных данных из кадров данных, вводимых в него. 22. The method of claim 21, further comprising an encoder for generating encoded data from data frames input to it. 23. Способ по п. 21 или 22, дополнительно содержащий повторение символов для каждого канала, чтобы выдавать их на скорости передачи, соответствующей скорости передачи, выбранной для канала. 23. The method of claim 21 or 22, further comprising repeating the symbols for each channel to output them at a transmission rate corresponding to the transmission rate selected for the channel. 24. Способ по п. 23, дополнительно содержащий изменение порядка следования повторяемых символов в зависимости от определенного формата перемежения. 24. The method of claim 23, further comprising changing the order of the repeated characters depending on the particular interleaving format. 25. Способ по п. 24, дополнительно содержащий: генерацию соответствующего длинного кода для каждого канала; и шифрацию символов с измененным порядком следования в каждой подсистеме передачи, используя соответствующий код для канала. 25. The method of claim 24, further comprising: generating a corresponding long code for each channel; and character encryption with a changed order in each transmission subsystem using the appropriate code for the channel. 26. Способ по п. 25, в котором длинный код генерируют для каждого канала путем децимирования генерированного длинного кода на определенной скорости децимации для каждого канала. 26. The method of claim 25, wherein a long code is generated for each channel by decimating the generated long code at a specific decimation rate for each channel. 27. Способ по п. 26, дополнительно содержащий модуляцию шифрованных символов кодом. 27. The method of claim 26, further comprising modulating the encrypted characters with a code. 28. Способ по п. 27, в котором шифрованные символы модулируют соответствующим кодом Уолша. 28. The method of claim 27, wherein the encrypted characters are modulated with the corresponding Walsh code. 29. Способ по п. 27 или 28, дополнительно содержащий расширение модулированных символов псевдо-шумом. 29. The method of claim 27 or 28, further comprising expanding the modulated symbols with pseudo noise. 30. Способ по любому из пп. 21 - 29, дополнительно содержащий модуляцию шифрованных данных на разные несущие частоты в разное время. 30. The method according to any one of paragraphs. 21 to 29, further comprising modulating the encrypted data at different carrier frequencies at different times. 31. Способ приема данных, заключающийся в том, что принимают сигналы одновременно во множестве каналов, причем каждый из сигналов определяет шифрованные кодированные символы, которые вместе представляют собой данные от общего источника; определяют скорость передачи символов для сигналов в каждом канале; обеспечивают дешифрацию кодированных символов в каждом канале кодами, уникальными для канала, чтобы разрешить извлечение данных из него; и мультиплексируют дешифрованные данные от множества каналов на скорости мультиплексирования, полученной из скоростей передачи символов, определенных для каналов. 31. The method of receiving data, which consists in receiving signals simultaneously in multiple channels, each of the signals defining encrypted coded symbols, which together represent data from a common source; determining a symbol rate for signals in each channel; provide decryption of coded symbols in each channel with codes unique to the channel to allow data extraction from it; and multiplexing the decrypted data from the plurality of channels at a multiplexing rate obtained from symbol rates determined for the channels. 32. Способ приема данных по п. 31, дополнительно содержащий декодирование мультиплексированных кодированных данных в кадры данных. 32. The method of receiving data according to claim 31, further comprising decoding the multiplexed encoded data into data frames. 33. Способ приема данных по п. 31 или 32, дополнительно содержащий сжатие шифрованных кодированных символов, используя псевдошумовой код. 33. The method of receiving data according to p. 31 or 32, further comprising compressing encrypted encoded characters using a pseudo-noise code. 34. Способ приема данных по п. 33, дополнительно содержащий демодуляцию сжатых символов путем переменного декодирования. 34. The method of receiving data according to claim 33, further comprising demodulating the compressed symbols by variable decoding. 35. Способ приема данных по п. 34, в котором сжатые символы демодулируют соответствующим кодом Уолша. 35. The method of receiving data according to claim 34, wherein the compressed symbols are demodulated with the corresponding Walsh code. 36. Способ приема данных по п. 35, дополнительно содержащий дешифрацию сжатых символов в каждом канале, используя соответствующий длинный код для канала. 36. The method of receiving data according to claim 35, further comprising decrypting the compressed symbols in each channel using the corresponding long code for the channel. 37. Способ приема данных по п. 36, дополнительно содержащий изменение порядка следования повторяемых символов в зависимости от определенного формата перемежения. 37. The method of receiving data according to claim 36, further comprising changing the order of the repeated characters depending on the particular interleaving format. 38. Способ приема данных по п. 37, дополнительно содержащий объединение символов в канале до демультиплексирования их на скорости, соответствующей скорости передачи, определенной для канала. 38. The method of receiving data according to claim 37, further comprising combining the symbols in the channel before demultiplexing them at a speed corresponding to the transmission rate determined for the channel. 39. Способ приема данных по любому из пп. 31 - 38, дополнительно содержащий: демодуляцию сигналов в разных каналах в разное время. 39. The method of receiving data according to any one of paragraphs. 31 - 38, further comprising: demodulating signals in different channels at different times.
RU2000109598/09A 1997-09-16 1998-09-16 Method and device for data transmission in multiple-carrier system RU2216866C2 (en)

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US08/931,536 US6389000B1 (en) 1997-09-16 1997-09-16 Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers

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