2024年1月21日发(作者：卓宏达)
手机作主叫的信令流程：
MS BTS BSC MSC
[RACH] 信道请求（8 information bits:a random number(5bits) and an establish cause (3 bits)）
channel request 信道请求（8 information bits）channel required
SDCCH信道激活Channel activation
[AGCH] 立即分配(频点、时隙号)
Immediate assignment
SDCCH信道激活认证Channel activation ACK.
[SDCCH] 鉴权请求(RAND) Authentication Request
[SDCCH] 鉴权响应(SRES) Authentication Response
[SDCCH] 加密请求(Kc) TMSI Reallocation Command
[SDCCH] 加密响应(SRES) TMSI Reallocation Complete
[SDCCH] 设置呼叫类型
[SDCCH] 呼叫类型证实
TCH信道分配请求Assignment Request
TCH信道激活命令
Channel Activation
[SDCCH] TCH分配命令(时隙号)
Assignment Command
[FACCH] TCH分配完成Assignment Complete
SDCCH信道释放命令Channel Release
SDCCH信道释放完成Channel Release Ack.
[FACCH] 回铃Alerting
[FACCH] 连接 connect
[FACCH] 连接确认connect ACK.
通话
[FACCH] 断开disconnect
[FACCH] 释放Release
[FACCH] 释放完成Release complete
[FACCH] 释放信道 Channel release
释放指示Release Indication
无线信道释放RF Channel Release
无线信道释放完成RF Channel Release Ack.
手机作被叫的信令流程：
MS BTS BSC MSC
寻呼(LAIIMSI或TMSI) Paging
寻呼命令(时隙号IMSI或TMSI)
Paging Command
[PCH]寻呼请求(IMSI或TMSI)
Paging Request
[RACH] 信道请求（8 information bits）
channel request 信道请求（8 information bits）
channel required
SDCCH信道激活Channel activation
[AGCH] 立即分配(频点、时隙号)
Immediate assignment
SDCCH信道激活认证Channel activation ACK.
[SDCCH] 寻呼响应(IMSI或TMSI)
[SDCCH] 鉴权请求(RAND) Authentication Request
[SDCCH] 鉴权响应(SRES) Authentication Response
[SDCCH] 加密请求(Kc) TMSI Reallocation Command
[SDCCH] 加密响应(SRES) TMSI Reallocation Complete
[SDCCH] 设置呼叫类型
[SDCCH] 呼叫类型证实
TCH信道分配请求Assignment Request
TCH信道激活命令
Channel Activation
[SDCCH] TCH分配命令(时隙号)
Assignment Command
[FACCH] TCH分配完成Assignment Complete
SDCCH信道释放命令Channel Release
SDCCH信道释放完成Channel Release Ack.
[FACCH] 回铃Alerting
[FACCH] 连接 connect
[FACCH] 连接确认connect ACK.
通话
[FACCH] 断开disconnect
[FACCH] 释放Release
[FACCH] 释放完成Release complete
[FACCH] 释放信道 Channel release
释放指示Release Indication
无线信道释放RF Channel Release
无线信道释放完成RF Channel Release Ack.
MOC第3层信令过程：
Uplink Channel Request---------------RACH
Downlink Immediate Assignment-------AGCH
Uplink CM Service Request-----------SDCCH
Downlink Authentication Request--------SDCCH
Uplink Authentication Request--------SDCCH
Downlink Ciphering Mode Command----SDCCH
Uplink Ciphering Mode Complete-----SDCCH
Uplink Setup----------------------------SDCCH
Downlink Assignment Command--------SDCCH
Uplink Assignment complete-----------FACCH(TCH)
Downlink Alerting-------------------------FACCH
Downlink Connect-------------------------FACCH
Uplink Connect Acknowledge--------FACCH
--------------------通话------------------------------
Uplink Disconnect---------------------FACCH
Downlink Release--------------------------FACCH
Uplink Release Complete--------------FACCH
Downlink Channel Release----------------FACCH
MTC第3层信令过程：
Downlink Paging request type 1--------PCH
Uplink Channel Request---------------RACH
Downlink Immediate Assignment-------AGCH
Uplink Paging response----------------SDCCH
Downlink Authentication Request--------SDCCH
Uplink Authentication Request--------SDCCH
Downlink Ciphering Mode Command----SDCCH
Uplink Ciphering Mode Complete-----SDCCH
Uplink Setup----------------------------SDCCH
Downlink Assignment Command--------SDCCH
Uplink Assignment complete-----------FACCH(TCH)
Uplink Alerting-------------------------FACCH
Uplink Connect-------------------------FACCH
Downlink Connect Acknowledge--------FACCH
--------------------通话------------------------------
Uplink Disconnect---------------------FACCH
Downlink Release--------------------------FACCH
Uplink Release Complete--------------FACCH
Downlink Channel Release----------------FACCH
请详细说一下位置更新的流程及每一步所传送的消息
当手机发现当前小区的位置区识别码LAC与SIM卡中存储的LAC值不一致时就发起一次位置更新请求。
手机在上行信道RACH上发送一个channel request,这里面包含了reason of the channel
request,即location update及Random reference.
BSS系统收到channel request后在下行信道AGCH发送immediate assignment,里面包含了request reference及SDCCH-Number.
手机在收到immediate assignment后通过SDCCH上行发送一个Location update request,里面包含了TMSIold LAIlocation update type.
BSS系统收到了location update request后通过SDCCH下行发送一个authentication
request,里面包含了RAND.
手机收到了鉴权请求时通过SDCCH上行发送一个authentication response,里面包含了SRES.
BSS系统收到了authentication reponse后通过SDCCH下行发送一个ciphering mode
command,里面包含了Kc.
手机收到了加密请求后通过SDCCH上行发送一个ciphering mode complete.
BSS系统完成了鉴权和加密后通过SDCCH下行发送一个location update accept,里面包含了new TMSInew LAI.
手机收到了location update accept后通过SDCCH上行发送一个TMSI reallocation
complete.
BSS系统通过SDCCH下发一个channel release.
手机通过SDCCH上行发送一个DISC.
请详细说一下手机作主叫的流程及每一步所传送的消息
手机在上行信道RACH上发送一个channel request,里面包含了reason of the request,即3bit的establish cause为MOC及5bit的random reference number.
BSS系统收到channel request后在下行信道AGCH发送immediate assignment,里面包含了request reference及SDCCH-Number.
手机在收到immediate assignment后通过SDCCH上行发送一个CM Service request.
BSS系统收到了CM Service request后通过SDCCH下行发送一个authentication request,里面包含了RAND.
手机收到了鉴权请求时通过SDCCH上行发送一个authentication response,里面包含了SRES.
BSS系统收到了authentication response后通过SDCCH下行发送一个ciphering mode
command.
手机收到了加密请求后通过SDCCH信道上行发送一个ciphering mode complete.
手机通过SDCCH信道上行发送一个set up.
BSS系统通过SDCCH信道下行发送一个assignment command,里面包含了TCH时隙号.
手机通过FACCH信道上行发送一个assignment complete.
BSS系统通过FACCH信道下行发送一个alerting,然后是一个connect.
手机通过FACCH信道上行发送一个connect acknowledge
2024年1月21日发(作者：卓宏达)
手机作主叫的信令流程：
MS BTS BSC MSC
[RACH] 信道请求（8 information bits:a random number(5bits) and an establish cause (3 bits)）
channel request 信道请求（8 information bits）channel required
SDCCH信道激活Channel activation
[AGCH] 立即分配(频点、时隙号)
Immediate assignment
SDCCH信道激活认证Channel activation ACK.
[SDCCH] 鉴权请求(RAND) Authentication Request
[SDCCH] 鉴权响应(SRES) Authentication Response
[SDCCH] 加密请求(Kc) TMSI Reallocation Command
[SDCCH] 加密响应(SRES) TMSI Reallocation Complete
[SDCCH] 设置呼叫类型
[SDCCH] 呼叫类型证实
TCH信道分配请求Assignment Request
TCH信道激活命令
Channel Activation
[SDCCH] TCH分配命令(时隙号)
Assignment Command
[FACCH] TCH分配完成Assignment Complete
SDCCH信道释放命令Channel Release
SDCCH信道释放完成Channel Release Ack.
[FACCH] 回铃Alerting
[FACCH] 连接 connect
[FACCH] 连接确认connect ACK.
通话
[FACCH] 断开disconnect
[FACCH] 释放Release
[FACCH] 释放完成Release complete
[FACCH] 释放信道 Channel release
释放指示Release Indication
无线信道释放RF Channel Release
无线信道释放完成RF Channel Release Ack.
手机作被叫的信令流程：
MS BTS BSC MSC
寻呼(LAIIMSI或TMSI) Paging
寻呼命令(时隙号IMSI或TMSI)
Paging Command
[PCH]寻呼请求(IMSI或TMSI)
Paging Request
[RACH] 信道请求（8 information bits）
channel request 信道请求（8 information bits）
channel required
SDCCH信道激活Channel activation
[AGCH] 立即分配(频点、时隙号)
Immediate assignment
SDCCH信道激活认证Channel activation ACK.
[SDCCH] 寻呼响应(IMSI或TMSI)
[SDCCH] 鉴权请求(RAND) Authentication Request
[SDCCH] 鉴权响应(SRES) Authentication Response
[SDCCH] 加密请求(Kc) TMSI Reallocation Command
[SDCCH] 加密响应(SRES) TMSI Reallocation Complete
[SDCCH] 设置呼叫类型
[SDCCH] 呼叫类型证实
TCH信道分配请求Assignment Request
TCH信道激活命令
Channel Activation
[SDCCH] TCH分配命令(时隙号)
Assignment Command
[FACCH] TCH分配完成Assignment Complete
SDCCH信道释放命令Channel Release
SDCCH信道释放完成Channel Release Ack.
[FACCH] 回铃Alerting
[FACCH] 连接 connect
[FACCH] 连接确认connect ACK.
通话
[FACCH] 断开disconnect
[FACCH] 释放Release
[FACCH] 释放完成Release complete
[FACCH] 释放信道 Channel release
释放指示Release Indication
无线信道释放RF Channel Release
无线信道释放完成RF Channel Release Ack.
MOC第3层信令过程：
Uplink Channel Request---------------RACH
Downlink Immediate Assignment-------AGCH
Uplink CM Service Request-----------SDCCH
Downlink Authentication Request--------SDCCH
Uplink Authentication Request--------SDCCH
Downlink Ciphering Mode Command----SDCCH
Uplink Ciphering Mode Complete-----SDCCH
Uplink Setup----------------------------SDCCH
Downlink Assignment Command--------SDCCH
Uplink Assignment complete-----------FACCH(TCH)
Downlink Alerting-------------------------FACCH
Downlink Connect-------------------------FACCH
Uplink Connect Acknowledge--------FACCH
--------------------通话------------------------------
Uplink Disconnect---------------------FACCH
Downlink Release--------------------------FACCH
Uplink Release Complete--------------FACCH
Downlink Channel Release----------------FACCH
MTC第3层信令过程：
Downlink Paging request type 1--------PCH
Uplink Channel Request---------------RACH
Downlink Immediate Assignment-------AGCH
Uplink Paging response----------------SDCCH
Downlink Authentication Request--------SDCCH
Uplink Authentication Request--------SDCCH
Downlink Ciphering Mode Command----SDCCH
Uplink Ciphering Mode Complete-----SDCCH
Uplink Setup----------------------------SDCCH
Downlink Assignment Command--------SDCCH
Uplink Assignment complete-----------FACCH(TCH)
Uplink Alerting-------------------------FACCH
Uplink Connect-------------------------FACCH
Downlink Connect Acknowledge--------FACCH
--------------------通话------------------------------
Uplink Disconnect---------------------FACCH
Downlink Release--------------------------FACCH
Uplink Release Complete--------------FACCH
Downlink Channel Release----------------FACCH
请详细说一下位置更新的流程及每一步所传送的消息
当手机发现当前小区的位置区识别码LAC与SIM卡中存储的LAC值不一致时就发起一次位置更新请求。
手机在上行信道RACH上发送一个channel request,这里面包含了reason of the channel
request,即location update及Random reference.
BSS系统收到channel request后在下行信道AGCH发送immediate assignment,里面包含了request reference及SDCCH-Number.
手机在收到immediate assignment后通过SDCCH上行发送一个Location update request,里面包含了TMSIold LAIlocation update type.
BSS系统收到了location update request后通过SDCCH下行发送一个authentication
request,里面包含了RAND.
手机收到了鉴权请求时通过SDCCH上行发送一个authentication response,里面包含了SRES.
BSS系统收到了authentication reponse后通过SDCCH下行发送一个ciphering mode
command,里面包含了Kc.
手机收到了加密请求后通过SDCCH上行发送一个ciphering mode complete.
BSS系统完成了鉴权和加密后通过SDCCH下行发送一个location update accept,里面包含了new TMSInew LAI.
手机收到了location update accept后通过SDCCH上行发送一个TMSI reallocation
complete.
BSS系统通过SDCCH下发一个channel release.
手机通过SDCCH上行发送一个DISC.
请详细说一下手机作主叫的流程及每一步所传送的消息
手机在上行信道RACH上发送一个channel request,里面包含了reason of the request,即3bit的establish cause为MOC及5bit的random reference number.
BSS系统收到channel request后在下行信道AGCH发送immediate assignment,里面包含了request reference及SDCCH-Number.
手机在收到immediate assignment后通过SDCCH上行发送一个CM Service request.
BSS系统收到了CM Service request后通过SDCCH下行发送一个authentication request,里面包含了RAND.
手机收到了鉴权请求时通过SDCCH上行发送一个authentication response,里面包含了SRES.
BSS系统收到了authentication response后通过SDCCH下行发送一个ciphering mode
command.
手机收到了加密请求后通过SDCCH信道上行发送一个ciphering mode complete.
手机通过SDCCH信道上行发送一个set up.
BSS系统通过SDCCH信道下行发送一个assignment command,里面包含了TCH时隙号.
手机通过FACCH信道上行发送一个assignment complete.
BSS系统通过FACCH信道下行发送一个alerting,然后是一个connect.
手机通过FACCH信道上行发送一个connect acknowledge