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RU95116289A - METHOD (OPTIONS) AND BASIC STATION FOR ALIGNING THE TIME OF THE SIGNALS FOR RECEIVING IN THE RADIO COMMUNICATION SYSTEM WITH MULTI-STATION ACCESS AND CODE DIVISION OF CHANNELS, SUBSCRIBER BLOCK - Google Patents

METHOD (OPTIONS) AND BASIC STATION FOR ALIGNING THE TIME OF THE SIGNALS FOR RECEIVING IN THE RADIO COMMUNICATION SYSTEM WITH MULTI-STATION ACCESS AND CODE DIVISION OF CHANNELS, SUBSCRIBER BLOCK

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Publication number
RU95116289A
RU95116289A RU95116289/09A RU95116289A RU95116289A RU 95116289 A RU95116289 A RU 95116289A RU 95116289/09 A RU95116289/09 A RU 95116289/09A RU 95116289 A RU95116289 A RU 95116289A RU 95116289 A RU95116289 A RU 95116289A
Authority
RU
Russia
Prior art keywords
signal
signals
base station
subscriber units
received
Prior art date
Application number
RU95116289/09A
Other languages
Russian (ru)
Other versions
RU2122290C1 (en
Inventor
Дж.Бракерт Юджин
А.Соннентаг Ричард
Original Assignee
Моторола, Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/159,633 external-priority patent/US5446727A/en
Application filed by Моторола, Инк. filed Critical Моторола, Инк.
Publication of RU95116289A publication Critical patent/RU95116289A/en
Application granted granted Critical
Publication of RU2122290C1 publication Critical patent/RU2122290C1/en

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Claims (10)

1. Способ выравнивания по времени сигналов для приема в системе радиосвязи с многостанционным доступом и кодовым разделением каналов, отличающийся тем, что осуществляют прием на базовой станции сигналов, передаваемых множеством абонентских блоков, определяют временное положение каждого принимаемого сигнала на основе оценок мощности множества лучей с задержкой, представляющих каждый сигнал, и передают с базовой станции сигнал выравнивания на основе этапа определения на каждый из множества абонентских блоков с возможностью приема базовой станцией последующих сигналов, передаваемых множеством абонентских блоков по существу с выравниванием по времени.1. A method of time alignment of signals for reception in a radio communication system with multiple access and code division multiplexing, characterized in that the signals transmitted by the plurality of subscriber units are received at the base station, the time position of each received signal is determined based on the estimates of the power of the multiple beams with a delay representing each signal and transmit an equalization signal from the base station based on the determination step to each of the plurality of subscriber units with the possibility of receiving howling station of subsequent signals transmitted by a plurality of subscriber units essentially with time alignment. 2. Способ по п. 1, отличающийся тем, что последующие сигналы, передаваемые множеством абонентских блоков и принимаемые базовой станцией по существу с выравниванием по времени, модулируют кодами расширения, ортогональными друг другу. 2. The method according to p. 1, characterized in that the subsequent signals transmitted by a plurality of subscriber units and received by the base station essentially with time alignment are modulated by extension codes orthogonal to each other. 3. Способ по п. 1 или 2, отличающийся тем, что прием и демодуляция одного из передаваемых последующих сигналов обеспечивает по существу нулевую взаимную корреляцию относительно остальных передаваемых последующих сигналов. 3. The method according to p. 1 or 2, characterized in that the reception and demodulation of one of the transmitted subsequent signals provides essentially zero cross-correlation with respect to the remaining transmitted subsequent signals. 4. Способ по пп. 1 - 3, отличающийся тем, что при определении временного положения каждого принимаемого сигнала на основе оценок мощности множества лучей с задержками, представляющих сигнал, дополнительно определяют временное положение каждого принимаемого сигнала с учетом времени приема максимального по мощности луча, выбранного из множества лучей с задержкой, представляющих сигнал. 4. The method according to PP. 1 to 3, characterized in that when determining the temporary position of each received signal based on the power estimates of the set of rays with delays representing the signal, the temporary position of each received signal is additionally determined taking into account the reception time of the maximum beam power selected from the set of rays with delay, representing the signal. 5. Способ по пп. 1, 2 или 3, отличающийся тем, что при определении временного положения каждого принимаемого сигнала, на основе оценок мощности лучей с задержкой, представляющих сигнал, дополнительно определяют временное положение каждого принимаемого сигнала на базе среднего значения времен принятия множества лучей с задержкой, представляющих сигнал. 5. The method according to PP. 1, 2 or 3, characterized in that when determining the temporal position of each received signal, based on estimates of the power of the delayed rays representing the signal, the temporal position of each received signal is further determined based on the average value of the reception times of the multiple delayed rays representing the signal. 6. Способ выравнивания по времени сигналов для приема в системе радиосвязи с многостанционным доступом и кодовым разделением каналов с микросотовой структурой зоны обслуживания, отличающийся тем, что осуществляют прием на базовых станциях в первой и второй микроячейках сигналов, передаваемых первой и второй группами абонентских блоков, определяют для каждой группы сигналов временное положение сигналов в принимаемой группе относительно друг друга, производят сравнение временного положения для каждой группы и передают с первой или второй базовой станции сигнал выравнивания, на основе этапа сравнения, на соответствующую первую или вторую группу абонентских блоков с возможностью приема базовой станцией последующих сигналов, передаваемых группой абонентских блоков, в первой или второй микроячейке по существу с выравниванием по времени с сигналами, принимаемыми базовый станцией в другой микроячейке. 6. The method of time alignment of signals for reception in a radio communication system with multiple access and code division multiplexing with microcellular structure of the service area, characterized in that the signals transmitted by the first and second groups of subscriber units are received at base stations in the first and second microcells for each group of signals, the temporary position of the signals in the received group relative to each other, compare the temporary position for each group and transmit from the first or second of the base station, the equalization signal, based on the comparison step, to the corresponding first or second group of subscriber units with the possibility for the base station to receive subsequent signals transmitted by the group of subscriber units in the first or second microcell essentially time-aligned with the signals received by the base station in another microcell. 7. Базовая станция (418), предназначенная для выравнивания по времени сигналов с целью приема в системе радиосвязи с многостанционным доступом и кодовым разделением каналов, отличающаяся тем, что содержит приемное устройство (122), выполненное с возможностью приема сигналов, передаваемых множеством абонентских блоков (100, 116), схему (169), подсоединенную к приемному устройству (122), предназначенную для определения временного положения упомянутого принятого сигнала на основе оценок мощности множества лучей с задержкой, представляющих каждый сигнал, и передающее устройство (170), соединенное со схемой (169), предназначенной для определения временных положений сигналов, и выполненное с возможностью передачи сигнала выравнивания (171) на каждый из множества абонентских блоков (100, 116), с последующим приемом базовой станцией сигналов, передаваемых множеством абонентских блоков (100, 116), по существу с выравниванием по времени. 7. The base station (418), designed for time alignment of signals for the purpose of receiving in a radio communication system with multiple access and code division multiplexing, characterized in that it comprises a receiving device (122) configured to receive signals transmitted by a plurality of subscriber units ( 100, 116), a circuit (169) connected to a receiver (122) for determining a temporary position of said received signal based on power estimates of a plurality of delayed beams representing each signal al, and a transmitting device (170) connected to a circuit (169) for determining the temporary positions of the signals and configured to transmit an alignment signal (171) to each of the plurality of subscriber units (100, 116), followed by reception by the base station signals transmitted by multiple subscriber units (100, 116), essentially time aligned. 8. Станция по п. 7, отличающаяся тем, что сигнал выравнивания (171) включает в себя двоичный разряд продолжения-задержки (АR), периодически передаваемый на каждый из множества абонентских блоков (100, 116). 8. The station according to claim 7, characterized in that the equalization signal (171) includes a continuation-delay (AR) binary bit periodically transmitted to each of the plurality of subscriber units (100, 116). 9. Станция по п. 7 или 8, отличающаяся тем, что сигнал выравнивания (171) включает в себя сообщение, содержащее по меньшей мере поле значений тактирования и поле полярностей. 9. The station according to claim 7 or 8, characterized in that the alignment signal (171) includes a message containing at least a field of clock values and a field of polarities. 10. Абонентский блок (100, 116) в системе радиосвязи с многостанционным доступом и кодовым разделением каналов, отличающийся тем, что содержит в себе приемное устройство (178), выполненное с возможностью приема сигнала выравнивания (171) с базовой станции с многостанционным доступом и кодовым разделением каналов (418), схему, предназначенную для регулирования синхронизации на основе принятого сигнала выравнивания, и передающее устройство (116), выполненное с возможностью передачи информации на базовую станцию с многостанционным доступом и кодовым разделением канала (418), с использованием регулируемых тактовых импульсов. 10. A subscriber unit (100, 116) in a radio communication system with multiple access and code division multiplexing, characterized in that it comprises a receiving device (178) configured to receive an alignment signal (171) from a base station with multiple access and code channel separation (418), a circuit for regulating synchronization based on a received equalization signal, and a transmitting device (116), configured to transmit information to a base station with multiple access and code p channel separation (418), using adjustable clock pulses.
RU95116289A 1993-11-30 1994-11-03 Method and base station for time matching of received signals in communication system with multiple-station access and code channel separation, user set RU2122290C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/159,633 US5446727A (en) 1993-11-30 1993-11-30 Method and apparatus for time aligning signals for reception in a code-division multiple access communication system
US08/159,633 1993-11-30

Publications (2)

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RU95116289A true RU95116289A (en) 1998-02-20
RU2122290C1 RU2122290C1 (en) 1998-11-20

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US (1) US5446727A (en)
EP (1) EP0695484B1 (en)
JP (1) JP3565856B2 (en)
KR (1) KR0177268B1 (en)
CN (1) CN1065094C (en)
BR (1) BR9405751A (en)
DE (1) DE4499436B3 (en)
FI (1) FI112746B (en)
GB (1) GB2290200B (en)
RU (1) RU2122290C1 (en)
SE (1) SE521574C2 (en)
SG (1) SG69960A1 (en)
WO (1) WO1995015626A1 (en)

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