Due to the fact its development, 3GPP2 has produced quite a few standards, including the CDMA2000 series of standards for 3G wireless conversation networks.
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It organizes technologies and small business processes into layers described by things to do going down, and it outlines how an company can build an interface to communicate among these levels.
A frame of bits is handed by way of a convolutional encoder, incorporating forward error correction redundancy, generating a frame of symbols. These symbols are then spread with the Walsh and PN sequences and transmitted.
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It can be proven that WCDMA may be the predominant thirdgeneration (3G) radio network engineering, and as a result, signifies a substantial economic climate of scale and packet data has become the principal sort of traffi c in 3G networks.
Гибкое распределение ресурсов. При кодовом разделении нет строгого ограничения на число каналов. get more info С увеличением числа абонентов постепенно возрастает вероятность ошибок декодирования, что ведёт к снижению качества канала, но не к отказу обслуживания.
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保密通信 ：扩频信号在频域上与噪声无异，增加了信号截获的难度，增强了通信的保密性。
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In case you have an interest in incorporating 3GPP2 products (like text, figures, illustrations, equations) right into a doc to become revealed both in print or electronically, you must full the "Permission to Reproduce 3GPP2 Resources" variety. 3GPP2 Industry Notices