移动网络总结

  • 概览
    • celluar_network_overview_all
  • 网络演化历史
    • 文字
      • 详细
        • 1G
          • AMPSNMTC-NetzTACS
            • 编码方式:FDMA
        • 2G
          • GSM
            • 编码方式:FDMATDMA
            • 传输方式
              • GPRS
                • =2.5G
              • EDGE
                • 2.75G
          • D-AMPS
          • IS-95=cdmaOne
        • 3G
          • UMTS:来自GSM
            • WCDMA
            • HSPA+
              • 3.5G=HSDPA
            • DC-HSPA+
          • CDMA2000:来自IS-95=cdmaOne
            • EVDO
        • 4G
          • LTE
            • TD-LTE
            • FDD
        • 5G
          • NR
  • 不同代的网络
    • 演化图
      • 1G到5G
        • 4G和5G在语音和数据方面的发展路线
          • 4g_5g_voice_data_path
        • 相关名词和术语
          • 5GC Core
            • gNB, AMF, SMF, NSSF, UDM, AUSF, UPF
          • 4G LTE
            • eNB, MME, SGW, PGW, HSS, EIR, PCRF, OCS & OFCS
          • IMS
            • CSCFs, HSS, MGCF, MGW, AS, OCS & OFCS
          • 3G
            • NB, HNB, HNBGW, RNC, MSC, SGSN, GGSN
          • 2G
            • BTS, BSC, MSC, HLR, EIR, VLR, SMSC, GMSC
          • TDM | PSTN
            • ISDN, ISUP, CAS
              • requires additional PSTN Network setup
          • Supports IPSec, TLS, SRTP, and MSRP
      • 2G到LTE
        • network_evolution_2g_lte
      • CDMA到LTE
        • network_evolution_cdma_lte
    • 架构图
      • 2G和3G
        • High-level network diagram for GSM (2G) and UMTS (3G)
          • network_arch_2g_3g
        • SMS in 2G/3G network architecture
          • network_arch_sms_in_2g_3g
      • 3G和4G
        • High-level network diagram for UMTS (3G) and LTE (4G)
          • network_arch_3g_4g
        • Evolution of 3G Core Network to 4G Core Network
          • network_arch_3g_evolve_4g
      • 2G、3G、4G
        • GL’s SMS Test Suite for LTE, UMTS, and GSM Networks
          • gl_sms_mobile_network
      • 2G、3G、4G、5G
        • Wireless Network Simulation (5G, 4G, 3G, 2G, IP, TDM)
          • gl_wireless_net_simulation

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