【資料名稱】：HSDPA dimemsion.pdf

【資料作者】：Ericsson

【資料日期】：2004-12-21

【資料語言】：中文

【資料格式】：DOC

【資料目錄和簡介】：

1 Introduction .......................................................................5
1.1 Background ...........................................................................................5
1.2 Abbreviations ........................................................................................5
1.3 Limitations .............................................................................................6
2 Assumptions and definitions ...........................................6
2.1 Cell average throughput........................................................................6
2.2 Cell border throughput ..........................................................................6
2.3 Cell capacity..........................................................................................6
2.4 System capacity ....................................................................................6
2.5 Dedicated channel traffic ......................................................................7
2.6 RBS load ...............................................................................................7
2.7 Power margin ........................................................................................7
2.8 User distribution ....................................................................................7
2.9 Channel models ....................................................................................7
2.10 Wave propagation .................................................................................7
3 HSDPA overview................................................................8
3.1 Basic principles .....................................................................................8
3.2 UE categories........................................................................................9
3.3 Channel structure................................................................................11
3.4 HSDPA power .....................................................................................13
4 Method and output ..........................................................14
4.1 Overview .............................................................................................14
4.2 Uplink link budget................................................................................15
4.3 CPICH link budget...............................................................................17
4.4 Downlink link budget ...........................................................................19
5 HSDPA throughput..........................................................21
5.1 Overview .............................................................................................21
5.2 HS-DSCH power.................................................................................22
5.3 HS-SCCH power .................................................................................22
5.4 A-DCH power ......................................................................................23
5.5 Axcel....................................................................................................23
5.6 Proportional Fair scheduling gain .......................................................25
5.7 Cell border throughput ........................................................................26
5.8 Cell average throughput......................................................................27
6 Dimensioning example ...................................................29
6.1 Aim and assumptions..........................................................................29
6.2 Uplink link budget for DCH CS 64.......................................................30