移动用户和运营商的签约速率

测速是很多终端用户和终端厂商经常要进行的一项测试，移动用户和运营商的签约速率是影响测速结果的一个重要条件，特别是在5G网络下。如何确定移动用户和运营商的签约速率呢？下面通过3GPP协议及log来说明。

LTE签约速率

协议：24.301

在Attach accept及Activate default EPS bearer context request等的apn_ambr中可以查看协商速率

log：
[0xB0EC]                 OTA LOG                  02:18:16.329             LTE NAS EMM Plain OTA Incoming MessageAttach accept Msg        1
          apn_ambr_incl = 1 (0x1) //LTE签约速率
          apn_ambr
            apn_ambr_dl = 254 (0xfe) (8640 kbps)
            apn_ambr_ul = 254 (0xfe) (8640 kbps)
            oct5_incl = 1 (0x1)
            apn_ambr_dl_ext = 102 (0x66) (44 Mbps)
            oct6_incl = 1 (0x1)
            apn_ambr_ul_ext = 133 (0x85) (75 Mbps)
            oct7_incl = 1 (0x1)
            apn_ambr_dl_ext2 = 1 (0x1) (308.640000 Mbps)
            oct8_incl = 1 (0x1)
            apn_ambr_ul_ext2 = 0 (0x0) (Use value in oct 4 and oct 6)

[0xB0E2]                 OTA LOG                  10:03:42.968             LTE NAS ESM Plain OTA Incoming MessageActivate default EPS bearer context request Msg

apn_ambr_incl = 1 (0x1) //LTE签约速率
    apn_ambr
      apn_ambr_dl = 254 (0xfe) (8640 kbps)
      apn_ambr_ul = 254 (0xfe) (8640 kbps)
      oct5_incl = 1 (0x1)
      apn_ambr_dl_ext = 158 (0x9e) (100 Mbps)
      oct6_incl = 1 (0x1)
      apn_ambr_ul_ext = 14 (0xe) (10000 kbps)
      oct7_incl = 0 (0x0)
      oct8_incl = 0 (0x0)2

NR签约速率：

协议：3GPP 24.501

8.3.2 PDU session establishment accept

9.11.4.14 Session-AMBR

log：
[0xB800]                 OTA LOG                  02:22:51.783             PDU session establishment acceptPDU session establishment accept1
    session_ambr   //NR签约速率
      length = 6 (0x6)
      session_ambr_dl_unit = 6 (0x6) (inc in multiple of 1 Mbps)
      session_ambr_dl = 2000 (0x7d0)      session_ambr_ul_unit = 6 (0x6) (inc in multiple of 1 Mbps)
      session_ambr_ul = 1000 (0x3e8)
            apn_ambr  //LTE签约速率
              apn_ambr_dl = 254 (0xfe) (8640 kbps)
              apn_ambr_ul = 254 (0xfe) (8640 kbps)
              oct5_incl = 1 (0x1)
              apn_ambr_dl_ext = 226 (0xe2) (208 Mbps)
              oct6_incl = 1 (0x1)
              apn_ambr_ul_ext = 238 (0xee) (232 Mbps)
              oct7_incl = 1 (0x1)
              apn_ambr_dl_ext2 = 7 (0x7) (2008.640000 Mbps)
              oct8_incl = 1 (0x1)
              apn_ambr_ul_ext2 = 3 (0x3) (1008.640000 Mbps)