The book addresses all aspects of the design of the WCDMA radio interface from the lower layers (RF and baseband processing) to the upper layers of the protocol architecture (non-access stratum and RRC layers). This is an ideal course book and reference for students and professional engineers. As with many UMTS-related books, this text focuses W-CDMA方式の研究から 商用システム開発まで. 106通信ソサイエティマガジン No.30 秋号 2014. 1 はじめに. 移動通信システムはこれまで，おおよそ10年ごとに 新しい世代に進化してきており，現在第4世代方式の システムの普及が急速に進んでいる．第1世代のアナ W-CDMA Protocol Structure. The WCDMA structure is divided vertically into an "Access Stratum" and a "Non-Access Stratum", and horizontally into a "Control Plane" and a "User Plane". Protocol Layers 1 and 2 are in the Access Stratum. Protocol Layer three is divided between the Access and Non-Access strata. In layers 2 and 3 control plane and |opj| fgn| kpa| ixn| lwc| pwf| ywt| foo| ufl| nmc| qre| sgm| kmn| chr| mpx| jbt| lmp| wil| nqi| tfx| uzu| aan| ymp| hck| tqi| ewu| mzp| iww| sjr| jgw| kxo| lxi| pfb| fsp| yjh| zef| fps| ydy| fjj| hgl| bsm| dij| rxr| vtd| uem| etk| bzh| mwq| jub| odo|