Difference between revisions of "ARFCN"

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In [[GSM]] cellular networks, an '''absolute radio-frequency channel number''' ('''ARFCN''') is a code that specifies a pair of physical radio carriers and channels used for transmission and reception on the [[Um interface]], one for the uplink signal and one for the downlink signal. ARFCNs are defined in GSM Specification 05.05 Section 2.
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Dalam jaringan selular [[GSM]], sebuah [[absolute radio-frequency channel number]] ([[ARFCN]]) adalah kode yang menentukan sepasang carrier radio dan channel yang digunakan untuk pemancar dan penerima di [[Um interface]], satu untuk sinyal uplink dan satu untuk sinyal downlink. ARFCN di definisikan di GSM Specification 05.05 Section 2.
  
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Each ARFCN has a bandwidth of 270.833 kHz. ARFCNs use a channel spacing of 200 kHz in any given GSM band. Uplink-downlink spacing is typically 45 or 50 MHz.
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Setiap ARFCN mempunyai bandwidth 270.833 kHz. ARFCN menggunakan spasi kanal 200 kHz di band [[GSM]]. Spasi Uplink-downlink biasanya 45 atau 50 MHz.
  
 
Different frequencies (ARFCNs) are used for the frequency-based component of GSMs multiple access scheme (FDMA — [[frequency-division multiple access]]). Together with the time-based component (TDMA — [[time division multiple access]]) the physical channel is defined by selecting a certain ARFCN and a certain time slot. Note not to confuse this physical channel with the logical channels (e.g. BCH — [[Broadcast Control Channel]]) that are time-multiplexed onto it under the rules of GSM Specification 05.03.
 
Different frequencies (ARFCNs) are used for the frequency-based component of GSMs multiple access scheme (FDMA — [[frequency-division multiple access]]). Together with the time-based component (TDMA — [[time division multiple access]]) the physical channel is defined by selecting a certain ARFCN and a certain time slot. Note not to confuse this physical channel with the logical channels (e.g. BCH — [[Broadcast Control Channel]]) that are time-multiplexed onto it under the rules of GSM Specification 05.03.

Revision as of 05:31, 17 January 2012

Dalam jaringan selular GSM, sebuah absolute radio-frequency channel number (ARFCN) adalah kode yang menentukan sepasang carrier radio dan channel yang digunakan untuk pemancar dan penerima di Um interface, satu untuk sinyal uplink dan satu untuk sinyal downlink. ARFCN di definisikan di GSM Specification 05.05 Section 2.

Setiap ARFCN mempunyai bandwidth 270.833 kHz. ARFCN menggunakan spasi kanal 200 kHz di band GSM. Spasi Uplink-downlink biasanya 45 atau 50 MHz.

Different frequencies (ARFCNs) are used for the frequency-based component of GSMs multiple access scheme (FDMA — frequency-division multiple access). Together with the time-based component (TDMA — time division multiple access) the physical channel is defined by selecting a certain ARFCN and a certain time slot. Note not to confuse this physical channel with the logical channels (e.g. BCH — Broadcast Control Channel) that are time-multiplexed onto it under the rules of GSM Specification 05.03.

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Referensi

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