RU2003107679A - METHOD AND DEVICE FOR OSH MEASUREMENT - Google Patents

METHOD AND DEVICE FOR OSH MEASUREMENT

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Publication number
RU2003107679A
RU2003107679A RU2003107679/09A RU2003107679A RU2003107679A RU 2003107679 A RU2003107679 A RU 2003107679A RU 2003107679/09 A RU2003107679/09 A RU 2003107679/09A RU 2003107679 A RU2003107679 A RU 2003107679A RU 2003107679 A RU2003107679 A RU 2003107679A
Authority
RU
Russia
Prior art keywords
signal
channel
adder
interference power
diversification
Prior art date
Application number
RU2003107679/09A
Other languages
Russian (ru)
Other versions
RU2271610C2 (en
Inventor
Фэнг РЭН
Чжибин ЧЖЭНГ
Уэхуа ЧЭН
Original Assignee
Хуавей Текнолоджиз Ко., Лтд.
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 CN00123831A external-priority patent/CN1132357C/en
Application filed by Хуавей Текнолоджиз Ко., Лтд. filed Critical Хуавей Текнолоджиз Ко., Лтд.
Publication of RU2003107679A publication Critical patent/RU2003107679A/en
Application granted granted Critical
Publication of RU2271610C2 publication Critical patent/RU2271610C2/en

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Claims (8)

1. Способ измерения отношения сигнал - шум (ОСШ) для системы мобильной связи CDMA включающий измерение мощности помех одноканального сигнала после прохождения полученным сигналом одноканального демодулирования в многоканальном приемном устройстве на стороне приема, проведение эквипартиционного суммирования измеренной мощности помех одноканальных сигналов для получения общей мощности помех, измерение мощности сигнала после диверсификационного суммирования одноканальных сигналов, получение измеренной величины ОСШ делением мощности сигнала на общую мощность помех.1. A method for measuring the signal-to-noise ratio (SNR) for a CDMA mobile communication system, comprising measuring the interference power of a single-channel signal after passing the received single-channel demodulation signal in the multi-channel receiving device on the receiving side, performing equipartition summation of the measured interference power of the single-channel signals to obtain the total interference power, signal power measurement after diversification summation of single-channel signals, obtaining the measured SNR value by dividing the power Igna a total interference power. 2. Способ по п.1, отличающийся тем, что дополнительно включает в себя сглаживание общей мощности шума, полученной после эквипартиционного суммирования.2. The method according to claim 1, characterized in that it further includes smoothing the total noise power obtained after equipartition summation. 3. Способ по п.1 или 2, отличающийся тем, что мощность шума одноканального сигнала измеряется в каждом канале соответственно.3. The method according to claim 1 or 2, characterized in that the noise power of a single-channel signal is measured in each channel, respectively. 4. Способ по п.1 или 2, отличающийся тем, что диверсификационная комбинация является максимальной комбинацией отношений или комбинацией эквивалентных усилений.4. The method according to claim 1 or 2, characterized in that the diversification combination is the maximum combination of relations or a combination of equivalent amplifications. 5. Устройство измерения ОСШ, включающее в себя, по меньшей мере, RAKE сумматор, устройство измерения мощности сигнала, устройство измерения мощности помех и делитель, в котором RAKE сумматор включает в себя множество одноканальных демодуляторов и диверсификационный сумматор, отличающееся тем, что одноканальные сигналы с выходов множества одноканальных демодуляторов передаются на диверсификационный сумматор для диверсификационного суммирования многоканального сигнала, единый сигнал, получаемый на выходе диверсификационного сумматора, отправляется на устройство измерения мощности сигнала для измерения мощности сигнала, устройства измерения мощности помех представляют собой множество элементов, расположенных в RAKE сумматоре, вход каждого устройства измерения мощности помех соединен с выходом одноканального демодулятора, результаты измерения мощности помех, полученные с помощью каждого устройства измерения мощности помех, посылаются на эквипартиционный сумматор для эквипартиционного суммирования, выходной сигнал эквипартиционного сумматора и выходной сигнал устройства измерения мощности сигнала посылаются на делитель для получения отношения сигнал - шум.5. The SNR measuring device, including at least a RAKE adder, a signal power measuring device, an interference power measuring device, and a divider, in which the RAKE adder includes a plurality of single-channel demodulators and a diversification adder, characterized in that the single-channel signals with the outputs of many single-channel demodulators are transmitted to the diversification adder for diversification summation of the multi-channel signal, a single signal received at the output of the diversification adder from sent to a signal power measuring device for measuring signal power, interference power measuring devices are a plurality of elements located in a RAKE adder, the input of each interference power measuring device is connected to the output of a single-channel demodulator, the interference power measurement results obtained using each interference power measuring device are sent to the equipartition adder for equipartition summation, the output signal of the equipartition adder and the output signal of Signal power measurements are sent to the divider to obtain a signal-to-noise ratio. 6. Устройство по п.5, отличающееся тем, что эквипартиционный сумматор соединен со сглаживающим фильтром, выходной сигнал эквипартиционного сумматора посылается на сглаживающий фильтр для обработки, выходной сигнал сглаживающего фильтра и выходной сигнал устройства измерения мощности сигнала посылаются на делитель для операции деления и получения значения ОСШ.6. The device according to claim 5, characterized in that the equipartition adder is connected to the smoothing filter, the output signal of the equipartion adder is sent to the smoothing filter for processing, the output signal of the smoothing filter and the output signal of the signal power measuring device are sent to the divider for the division operation and obtaining the value SNR. 7. Устройство по п.5 или 6, отличающееся тем, что множество устройств измерения мощности помех и сложный одноканальный демодулятор расположены один за другим, т.е. выход одноканального демодулятора соединен со входом устройства измерения мощности помех.7. The device according to claim 5 or 6, characterized in that the plurality of interference power measuring devices and a complex single-channel demodulator are located one after the other, i.e. the output of a single-channel demodulator is connected to the input of the interference power measuring device. 8. Устройство по п.5, отличающееся тем, что диверсификационный сумматор выполняет максимальную комбинацию отношений или комбинацию эквивалентных усилений.8. The device according to claim 5, characterized in that the diversification adder performs the maximum combination of relations or a combination of equivalent amplifications.
RU2003107679/09A 2000-08-21 2001-05-18 Method and device for measuring signal-to-noise ratio RU2271610C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN00123831A CN1132357C (en) 2000-08-21 2000-08-21 Method and device for measuring S/N ratio
CN00123831.0 2000-08-21

Publications (2)

Publication Number Publication Date
RU2003107679A true RU2003107679A (en) 2004-07-10
RU2271610C2 RU2271610C2 (en) 2006-03-10

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Family Applications (1)

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RU2003107679/09A RU2271610C2 (en) 2000-08-21 2001-05-18 Method and device for measuring signal-to-noise ratio

Country Status (7)

Country Link
US (1) US7298802B2 (en)
EP (1) EP1313243A4 (en)
CN (1) CN1132357C (en)
AU (1) AU2001273805A1 (en)
CA (1) CA2420254C (en)
RU (1) RU2271610C2 (en)
WO (1) WO2002017531A1 (en)

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US7711033B2 (en) 2005-04-14 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) SIR prediction method and apparatus
CN101119131B (en) * 2007-09-19 2010-06-02 中兴通讯股份有限公司 Method for estimating uplink load of user facility
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US5068628A (en) * 1990-11-13 1991-11-26 Level One Communications, Inc. Digitally controlled timing recovery loop
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