CDMA短信解析.ppt

cdma短信解析,黄明 2011-08-29,cdma短信实例-普通,a0dc0804ff 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,cdma短信解析-普通,cdma普通短信(7f25/6f3c),cdma短信格式解析-普通,0376 +- 00 / sms_msg_type +- 00021002 / teleservice identifier +- 020702c69965046a84 / originating address +- 0863 / bearer data +- 000310dec0 / message_identifier +- 014e213298ba756276. / user_data +- 0306110825183326 / message center time stamp +- 080140 / priority indicator +- 0a0140 / reply option +- 0601dc / bearer reply option,数据项解析,user 数据解析: 014e213298ba756276 0010 0001 0011 0010 1001 1000 1011 1010 0111 0101 0110 0010 04 26 53 17 4e ac - 北京 address 数据解析: 020702c69965046a84 02c69965046a84 - “10659411001” 0000 0010 1100 0110 1001 1001 0110 0101 0000 0100 0b 1a 65 94 11 aa 1,上行短信,下行短信,tpdu类型与结构,cdma sms tpdu,parameter definitions,sms deliver(传达) message,sms submit(提交) message,bearer data 标识,address parameters,地址参数说明,digit_mode set0: dtmf digits, set1: 8-bit characters number_mode ( 参考ansi t1.607) field shall be set to 0. to specify an address using data network address formats, this field shall be set to 1.,地址数据编码,参考:tia-95-b-1999,bearer reply option,reply_seq - reply sequence number. this field shall be set to a value identifying the sms message for which acknowledgment is requested.,user data,msg_encoding,teleservice identifier,00021002 tia/eia-41-d (see table 175 in section6.5.2),cdma短信格式解析,48 cdma_sms_tpdu len len = 1 | + sms_msg_type len = 1 | +- tag_teleservice_identifier 00 | +- tag_originating_address 02 / originating address : tag + len + mode(2bit)+ num_field(8bit) + value | or 04 / destination address : . +- tag_bearer_data 08 + | +- tag_message_identifier 00 | +- tag_message_display_mode 0f / 2bit + 6bit | +- tag_user_data 01 (user data) : tag + len + msg_encoding(5bit) + num_fields(8bit) + value | +- tag= 06 内部数据项长度前不加 0x81,cdma短信实例-上行数据,d066810301130082028183 485b000002100204060246996605a0084c00032000000f01e00142020013800001d868000000058001880000000000000801500009000840b8000000480000000000001410000000047564ab980000100001388000000000071db882709000 - 有效数据内容: 0040 027000003b0d00000000b0003100000000000001002a000120010817000000090000000000000282000000008eac9573000002000027100000000000e3b7104e 地址: 0406 0246996605a0 0000 0010 0100 0110 1001 1001 0110 0110 0000 0101 1010 0000 09 1a 65 98 16 8,cdma短信实例-下行数据,a0c2000063 d161 82028381 c85b 0000021002020300c594060100 084c0003100000 0f01e00142 020013800001d868000000058001880000000000000801500028009c039bab1b1b2b9b9b2b21010101010101010101004880b0222a3d555555555555555555555550 - 有效数据内容: 0040 027000003b0d00000000b0003100000000000001002a000500138073756363657373656420202020202020202020091016044547aaaaaaaaaaaaaaaaaaaaaaaa,message identifier,0003200000,message display mode,uim常用 displaymode,prl,48 cdma_sms_tpdu len len = 1 | + sms_msg_type len = 1 | +- tag_teleservice_identifier 00 | +- tag_originating_address 02 / originating address : | / tag + len + mode(2bit)+ num_field(8bit) + value +- tag_bearer_data 08 + | +- tag_message_identifier 00 | +- tag_message_display_mode 0f / 2bit + 6bit = 0d | +- tag_user_data 01 (user data) : tag + len + msg_encoding(5bit) + num_fields(8bit) + value | +- tag= 06,prl data,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,prl命令数据内容,参见: 中国联通800mhz cdma数字蜂窝移动通信网utk 技.doc 中国联通800mhz cdma数字蜂窝移动通信网uim 技.doc ,prl更新处理,rec_process_prl /更新记录方式处理prl 数据; 00 x/y prl处理中 01 处理成功! (结束) 02 prl更新出错 prl有效数据更新到prl缓存区, 全部收完后,写入ef-prl( 6f30) ; envelope ppdownload 方式的prl更新, 通过 displaytext给出提示.,协议解析,解析各模块功能,ppdown解析,分支短信类型,ppdown解析,数据整理移位,应用分支解析, 区分tar值, 调用应用处理,反向,命令分发与处理,数据编码对照,c网及prl处理注意事项,1) 注意下行c网短信各数据项位置不固定; 0601dc ( bearer reply option ) 可能在 bear data之前或之后; 问题: 影响对prl处理后的数据截取; 2) 纯c网手机在某些操作后可能多次重启; 问题1: 影响 prl处理对接收短信的记录 ; 问题2: 影响 c网短信的发送 (双模情况); 3) 对 prl 处理的有必要严格按照 displaymode 定义来判断处理. 4) 注意移位后的数据填充: 一般可填0 , 注意脚本测试. 5) c网上行不需要短信中心号; 6) esn上报处理的流程设计要合理, 涉及到stk交互; 要进行兼容性或相关脚本测试. 7) 注意相关的md5算法运行、prl