This a complete technical documents, Huawei think after this, then look at the early helpful

华为技术
........\ATM技术.pdf
........\SDH光传输技术.pdf
........\接入网技术.pdf
........\数据通信技术.pdf
........\无线通信技术.pdf
........\本地电话网的网络规划.pdf
........\电信支撑网.pdf
........\程控交换技术.pdf
........\缩略语手册.pdf
........\通信技术概论.pdf

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