GSM无线参数的研究

veryrd

简介:
GSM无线参数的研究
前言············ 4
GSM无线系统简介········ 5
一．无线接口 5
二．信道及帧结构························ 6
三．无线信道组合及映射·········· 7
无线参数调整················ 9
一. 网络识别参数······ 10
1．小区全球识别····················· 10
2．基站识别码（BSIC）······· 12
二. 系统控制参数······ 15
1．IMSI结合分离允许（Attach-Detach allowed，ATT）·························· 15
2．公共控制信道配置（CCCH-CONF）·························· 16
3．接入准许保留模块（BS_AG_BLKS_RES）········ 17
4．寻呼信道复帧数(BS_PA_MFRMS)······················ 18
5．寻呼模式设置（PM）······ 19
6．周期性位置更新定时器（T3212）····· 20
7．小区信道描述(Cell Channal Description)··· 22
8．无线链路超时（Radio_Link_Timeout）········· 23
9．邻小区描述（Neighbour Cells Description） 24
10．允许的网络色码(NCC Permitted)······· 26
11．最大重发次数(MAX retrans)·························· 27
12．发送分布时隙数（Tx_integer）·························· 28
13．小区禁止接入（CELL_BAR_ACCESS）········ 29
14．接入的等级控制（AC）· 30
15．等待指示（Wait Indication）··· 31
16．多频段指示（Multiband_Reporting）········ 32
17．BCCH 频率分配范围（Ranger NR_LOWER,Ranger NR_HIGHER）·························· 33
三. 小区选择及重选参数·············· 35
1．小区选择：·························· 35
▲. C1算法···· 35
1.1 控制信道最大功率电平（MS_TXPWR_MAX_CCH） 37
1.2 移动台允许接入的最小接收电平（RXLEV_ACCESS_MIN）··· 38
1.3 功率偏置（POWER OFFSET）······ 39
2. 小区重选：·························· 40
▲. C2算法···· 40
2.1 小区重选偏置（CELL_RESELECT_OFFSET）·························· 41
2.2 临时偏置（TEMPORARY_OFFSET）··· 41
2.3 惩罚时间（PENALTY_TIME）··············· 42
2.4 小区重选滞后（Cell Selection Hysteresisz） 43
2.5 附加重选参数指示（ACS）：·························· 44
2.6 小区重选参数指示（PI） 44
2.7 小区禁止限制（Cell Bar Qualify，CBQ）·························· 45
四. 网络功能参数······ 46
1. 功率控制指示（PWRC） 46
2. 非连续发送（DTX）：······ 47
3. 新建原因指示（NECI）： 48
4. 呼叫重建允许（RE）······· 49
5. 紧急呼叫允许（EC）······· 49
6. 跳频参数1-跳频应用(H)·· 50
7. 跳频参数2-移动分配索引偏置(MAIO)··· 51
8. 跳频参数3-跳频序列号（HSN）········ 52
9. 加密设置（SC）··········· 52
10. 加密算法设置（algorithm identifier）···· 53
五. 小区切换参数······ 55
1. Hreqave和Hreqt················ 55
2. 门限参数：·························· 56
2.1 接收电平门限（L_RXLEV_xx_H）················ 56
2.2 接收质量门限（L_RXQUAL_xx_H）·············· 56
2.3 接收质量门限（小区内）（L_RXQUAL_xx_IH）············· 57
2.4 MAX_MS_RANGE····················· 57
2.4 HO_MARGIN 57
六. 系统定时器和计数器·············· 59
1. 无线资源管理的定时器和计数器············ 59
1.1 MS侧的定时器················· 59
1.2 网络侧的定时器················· 61
2. 移动性管理的定时器······· 64
2.1 MS侧的定时器················· 64
2.2 网络侧的定时器················· 65
小  结······ 66

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sensenspy

<P>这么贵！！！</P>

chinaleon

好东东，就是有点贵啊