LTEPRACH配置参数分析.docx
- 文档编号:9430156
- 上传时间:2023-02-04
- 格式:DOCX
- 页数:49
- 大小:2.60MB
LTEPRACH配置参数分析.docx
《LTEPRACH配置参数分析.docx》由会员分享,可在线阅读,更多相关《LTEPRACH配置参数分析.docx(49页珍藏版)》请在冰豆网上搜索。
LTEPRACH配置参数分析
LTEPRACH参数配置分析
目录
目录3
1引言4
1.1编写目的4
1.2文档组织4
1.3预期读者和阅读建议4
1.4参考资料4
1.5缩写术语和常用符号4
2PRACH信道的配置分析6
2.1PRACH信道的配置参数6
2.1.1PRACH配置索引(prach-ConfigurationIndex)6
2.1.2零相关配置(zeroCorrelationZoneConfig)14
2.1.3根序列索引(rootSequenceIndex)18
2.1.4是否为高速状态(highSpeedFlag)21
2.1.5频率偏移(prach-FrequencyOffset)22
2.2PRACH信道的参数的配置方法23
2.2.1PRACH信道参数的配置步骤23
2.2.2邻小区的PRACH信道的配置23
3LTE典型PRACH配置24
3.1Format0时PRACH信道的参数的配置24
3.1.1密度为1情况下PRACH相关参数配置24
3.1.2密度为2情况下PRACH相关参数配置26
3.2Format4时PRACH信道的参数的配置27
4高速模式下配置原则29
5附录32
5.1南京规模实验网站址分布图32
1引言
1.1编写目的
本文档的编写目的是分析PRACH信道的各参数的配置方法及各邻区间如何进行配置。
1.2文档组织
本文首先对LTE3.0版本需要配置的PRACH信道的各参数进行了说明和描述,根据网络规划如何确定各参数的取值,并给出相邻小区各参数的配置原则。
本文在第2章的后半部分给出了PRACH各参数的配置方法和步骤。
第3章给出了高速模式下的零相关和根序列的配置有一定的关联关系。
1.3预期读者和阅读建议
本文档的预期读者为LTE网络建设人员和LTE网络优化人员、测试人员等。
1.4参考资料
1.《LTE无线配置参数分析.doc》V1.1
2.《LTEPRACH密度需求分析.doc》V1.0
3.《LTE——UMTS长期演进理论与实践》马霓、邬钢等译
4.3GPPTS36.211PhysicalChannelsandModulation
1.5缩写术语和常用符号
英文缩写
英文全称
中文全称
CM
CubicMetric
立方量度
PAPR
Peak-to-AveragePowerRatio
峰均值功率比
PRACH
PhysicalRandomAccessChannel
物理随机接入信道
RACH
RandomAccessChannel
随机接入信道
2PRACH信道的配置分析
2.1PRACH信道的配置参数
LTE中PRACH信道的配置参数主要有五个,都是小区级参数分别是:
✧PRACH配置索引(prach-ConfigurationIndex)
✧零相关配置(zeroCorrelationZoneConfig)
✧根序列索引(rootSequenceIndex)
✧是否为高速状态(highSpeedFlag)
✧频率偏移(prach-FrequencyOffset)
2.1.1PRACH配置索引(prach-ConfigurationIndex)
2.1.1.1参数基本信息
参数编号
取值范围
物理单位
调整步长
0..63
默认值:
51
无
无
参数名称
传送途径
作用范围
参数出处
prach-ConfigurationIndex
eNodeB->UE
Cell
36.211
所属网元及设置途径
小区逻辑无线资源参数->物理随机接入信道->PRACH配置索引
不同场景下的差异化配置说明
无
用于指示小区的PRACH配置索引。
该参数指示了PRACH的频域资源索引、时域的无线帧、半帧、子帧的资源占用情况。
该参数确定后,小区PRACH的时、频资源即可确定,同时也确定了采用的前导格式(0~47为前导格式0~3,47~57为前导格式4),其定义见下表(36.211Table5.7.1-4)。
PRACH
configurationIndex
(SeeTable5.7.1-3)
UL/DLconfiguration(SeeTable4.2-2)
0
1
2
3
4
5
6
0
(0,1,0,2)
(0,1,0,1)
(0,1,0,0)
(0,1,0,2)
(0,1,0,1)
(0,1,0,0)
(0,1,0,2)
1
(0,2,0,2)
(0,2,0,1)
(0,2,0,0)
(0,2,0,2)
(0,2,0,1)
(0,2,0,0)
(0,2,0,2)
2
(0,1,1,2)
(0,1,1,1)
(0,1,1,0)
(0,1,0,1)
(0,1,0,0)
N/A
(0,1,1,1)
3
(0,0,0,2)
(0,0,0,1)
(0,0,0,0)
(0,0,0,2)
(0,0,0,1)
(0,0,0,0)
(0,0,0,2)
4
(0,0,1,2)
(0,0,1,1)
(0,0,1,0)
(0,0,0,1)
(0,0,0,0)
N/A
(0,0,1,1)
5
(0,0,0,1)
(0,0,0,0)
N/A
(0,0,0,0)
N/A
N/A
(0,0,0,1)
6
(0,0,0,2)
(0,0,1,2)
(0,0,0,1)
(0,0,1,1)
(0,0,0,0)
(0,0,1,0)
(0,0,0,1)
(0,0,0,2)
(0,0,0,0)
(0,0,0,1)
(0,0,0,0)
(1,0,0,0)
(0,0,0,2)
(0,0,1,1)
7
(0,0,0,1)
(0,0,1,1)
(0,0,0,0)
(0,0,1,0)
N/A
(0,0,0,0)
(0,0,0,2)
N/A
N/A
(0,0,0,1)
(0,0,1,0)
8
(0,0,0,0)
(0,0,1,0)
N/A
N/A
(0,0,0,0)
(0,0,0,1)
N/A
N/A
(0,0,0,0)
(0,0,1,1)
9
(0,0,0,1)
(0,0,0,2)
(0,0,1,2)
(0,0,0,0)
(0,0,0,1)
(0,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,0,0)
(0,0,0,1)
(1,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,1)
10
(0,0,0,0)
(0,0,1,0)
(0,0,1,1)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,1,0)
N/A
(0,0,0,0)
(0,0,0,1)
(1,0,0,0)
N/A
(0,0,0,0)
(0,0,0,2)
(0,0,1,0)
11
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
N/A
N/A
N/A
N/A
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
12
(0,0,0,1)
(0,0,0,2)
(0,0,1,1)
(0,0,1,2)
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,2)
(0,0,0,0)
(0,0,0,1)
(1,0,0,0)
(1,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
13
(0,0,0,0)
(0,0,0,2)
(0,0,1,0)
(0,0,1,2)
N/A
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,1)
N/A
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,1)
14
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
N/A
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,0)
N/A
N/A
(0,0,0,0)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
15
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,1)
(0,0,1,2)
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(1,0,0,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
(2,0,0,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,1)
(1,0,0,2)
(0,0,0,0)
(0,0,0,1)
(1,0,0,0)
(1,0,0,1)
(2,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
(4,0,0,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
16
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
(0,0,1,2)
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(1,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
(2,0,1,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,0)
(1,0,0,2)
(0,0,0,0)
(0,0,0,1)
(1,0,0,0)
(1,0,0,1)
(2,0,0,0)
N/A
N/A
17
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,2)
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(1,0,0,0)
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,0)
(1,0,0,1)
N/A
N/A
N/A
18
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
(0,0,1,2)
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(1,0,0,1)
(1,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
(2,0,0,0)
(2,0,1,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(1,0,0,0)
(1,0,0,1)
(1,0,0,2)
(0,0,0,0)
(0,0,0,1)
(1,0,0,0)
(1,0,0,1)
(2,0,0,0)
(2,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
(4,0,0,0)
(5,0,0,0)
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
(1,0,0,2)
19
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,1,0)
(0,0,1,1)
(1,0,0,0)
(1,0,1,0)
N/A
N/A
N/A
N/A
(0,0,0,0)
(0,0,0,1)
(0,0,0,2)
(0,0,1,0)
(0,0,1,1)
(1,0,1,1)
20/30
(0,1,0,1)
(0,1,0,0)
N/A
(0,1,0,1)
(0,1,0,0)
N/A
(0,1,0,1)
21/31
(0,2,0,1)
(0,2,0,0)
N/A
(0,2,0,1)
(0,2,0,0)
N/A
(0,2,0,1)
22/32
(0,1,1,1)
(0,1,1,0)
N/A
N/A
N/A
N/A
(0,1,1,0)
23/33
(0,0,0,1)
(0,0,0,0)
N/A
(0,0,0,1)
(0,0,0,0)
N/A
(0,0,0,1)
24/34
(0,0,1,1)
(0,0,1,0)
N/A
N/A
N/A
N/A
(0,0,1,0)
25/35
(0,0,0,1)
(0,0,1,1)
(0,0,0,0)
(0,0,1,0)
N/A
(0,0,0,1)
(1,0,0,1)
(0,0,0,0)
(1,0,0,0)
N/A
(0,0,0,1)
(0,0,1,0)
26/36
(0,0,0,1)
(0,0,1,1)
(1,0,0,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
N/A
(0,0,0,1)
(1,0,0,1)
(2,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
N/A
(0,0,0,1)
(0,0,1,0)
(1,0,0,1)
27/37
(0,0,0,1)
(0,0,1,1)
(1,0,0,1)
(1,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
N/A
(0,0,0,1)
(1,0,0,1)
(2,0,0,1)
(3,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
N/A
(0,0,0,1)
(0,0,1,0)
(1,0,0,1)
(1,0,1,0)
28/38
(0,0,0,1)
(0,0,1,1)
(1,0,0,1)
(1,0,1,1)
(2,0,0,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
(2,0,0,0)
N/A
(0,0,0,1)
(1,0,0,1)
(2,0,0,1)
(3,0,0,1)
(4,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
(4,0,0,0)
N/A
(0,0,0,1)
(0,0,1,0)
(1,0,0,1)
(1,0,1,0)
(2,0,0,1)
29/39
(0,0,0,1)
(0,0,1,1)
(1,0,0,1)
(1,0,1,1)
(2,0,0,1)
(2,0,1,1)
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
(2,0,0,0)
(2,0,1,0)
N/A
(0,0,0,1)
(1,0,0,1)
(2,0,0,1)
(3,0,0,1)
(4,0,0,1)
(5,0,0,1)
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
(4,0,0,0)
(5,0,0,0)
N/A
(0,0,0,1)
(0,0,1,0)
(1,0,0,1)
(1,0,1,0)
(2,0,0,1)
(2,0,1,0)
40
(0,1,0,0)
N/A
N/A
(0,1,0,0)
N/A
N/A
(0,1,0,0)
41
(0,2,0,0)
N/A
N/A
(0,2,0,0)
N/A
N/A
(0,2,0,0)
42
(0,1,1,0)
N/A
N/A
N/A
N/A
N/A
N/A
43
(0,0,0,0)
N/A
N/A
(0,0,0,0)
N/A
N/A
(0,0,0,0)
44
(0,0,1,0)
N/A
N/A
N/A
N/A
N/A
N/A
45
(0,0,0,0)
(0,0,1,0)
N/A
N/A
(0,0,0,0)
(1,0,0,0)
N/A
N/A
(0,0,0,0)
(1,0,0,0)
46
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
N/A
N/A
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
N/A
N/A
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
47
(0,0,0,0)
(0,0,1,0)
(1,0,0,0)
(1,0,1,0)
N/A
N/A
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
N/A
N/A
(0,0,0,0)
(1,0,0,0)
(2,0,0,0)
(3,0,0,0)
48
(0,1,0,*)
(0,1,0,*)
(0,1,0,*)
(0,1,0,*)
(0,1,0,*)
(0,1,0,*)
(0,1,0,*)
49
(0,2,0,*)
(0,2,0,*)
(0,2,0,*)
(0,2,0,*)
(0,2,0,*)
(0,2,0,*)
(0,2,0,*)
50
(0,1,1,*)
(0,1,1,*)
(0,1,1,*)
N/A
N/A
N/A
(0,1,1,*)
51
(0,0,0,*)
(0,0,0,*)
(0,0,0,*)
(0,0,0,*)
(0,0,0,*)
(0,0,0,*)
(0,0,0,*)
52
(0,0,1,*)
(0,0,1,*)
(0,0,1,*)
N/A
N/A
N/A
(0,0,1,*)
53
(0,0,0,*)
(0,0,1,*)
(0,0,0,*)
(0,0,1,*)
(0,0,0,*)
(0,0,1,*)
(0,0,0,*)
(1,0,0,*)
(0,0,0,*)
(1,0,0,*)
(0,0,0,*)
(1,0,0,*)
(0,0,0,*)
(0,0,1,*)
54
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
55
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
56
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(4,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(4,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(4,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
57
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(2,0,1,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(2,0,1,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(2,0,1,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(4,0,0,*)
(5,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(4,0,0,*)
(5,0,0,*)
(0,0,0,*)
(1,0,0,*)
(2,0,0,*)
(3,0,0,*)
(4,0,0,*)
(5,0,0,*)
(0,0,0,*)
(0,0,1,*)
(1,0,0,*)
(1,0,1,*)
(2,0,0,*)
(2,0,1,*)
58
N/A
N/A
N/A
N/A
N/A
N/A
N/A
59
N/A
N/A
N/A
N/A
N/A
N/A
N/A
60
N/A
N/A
N/A
N/A
N/A
N/A
N/A
61
N/A
N/A
N/A
N/A
N/A
N/A
N/A
62
N/A
N/A
N/A
N/A
N/A
N/A
N/A
63
N/A
N/A
N/A
N/A
N/A
N/A
N/A
表格中
的含义如下:
:
在prach-FrequencyOffset的基础上指示同一时刻内频分的各个PRACH信道的频率位置;
:
指示PRACH信道的无线帧位置,0为全部无线帧,1为奇数无线帧,2为偶数无线帧;
:
指示PRACH信道在无线帧的前半帧或后半帧,0为前半帧,1为后半帧;
:
指示PRACH信道在“5ms半帧”内的上子帧序号,带*表示在UpPTS上。
2.1.1.2前导码格式与小区半径的关系
随机接入信号是由CP(长度为TCP)
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- LTEPRACH 配置 参数 分析