【資料名稱】：愛立信跳頻規(guī)劃FHPlanningGuidestudy

【資料作者】：ericsson

【資料日期】：2010112

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

CONTENTS
1. INTRODUCTION ............................................................................................................................... 3
1.1 GENERAL DESCRIPTION OF FREQUENCY HOPPING .............................................................................. 3
1.2 FREQUENCY HOPPING MODES ............................................................................................................ 4
1.3 CELL ALLOCATION ............................................................................................................................. 6
1.4 MOBILE ALLOCATION ......................................................................................................................... 6
1.5 HOPPING SEQUENCE NUMBER ............................................................................................................ 7
1.6 MOBILE ALLOCATION INDEX OFFSET ................................................................................................. 7
1.7 MAIO STEP ....................................................................................................................................... 8
2. THEORETICAL PERFORMANCE OF FREQUENCY HOPPING ............................................ 9
2.1 FREQUENCY DIVERSITY ...................................................................................................................... 9
2.1.1 Coherence Bandwidth ................................................................................................................ 9
2.1.2 Effect of Interleaving ............................................................................................................... 11
2.1.3 Cyclic vs. Random Hopping Sequences ................................................................................... 11
2.1.4 Simulated Frequency Diversity Gains ..................................................................................... 12
2.1.5 Effect in Cell Coverage Area ................................................................................................... 13
2.1.6 Effect of Mobile Speed ............................................................................................................. 13
2.2 INTERFERENCE DIVERSITY ............................................................................................................... 14
2.3 EFFECT OF POWER CONTROL AND DTX ........................................................................................... 15
3. VENDOR’S SUPPORT FOR FREQUENCY HOPPING IN GSM .............................................. 18
3.1 BSS LEVEL IMPLEMENTATION ......................................................................................................... 18
3.2 THE 2ND GENERATION BASE STATION ............................................................................................. 18
3.3 TALK FAMILY BASE STATION ........................................................................................................... 19
3.4 PRIMESITE ....................................................................................................................................... 20
3.5 BASE STATION CONTROLLER............................................................................................................ 21
3.6 NPS/X ............................................................................................................................................. 21
3.7 MAXIMUM CONFIGURATIONS ........................................................................................................... 21
3.8 RADIO NETWORK FAULT MANAGEMENT .......................................................................................... 22
3.8.1 The 2nd Generation Base Station ............................................................................................ 22
3.8.2 Talk Family Base Stations and PrimeSite ............................................................................... 23
3.9 RESTRICTIONS ON THE USAGE OF FH ............................................................................................... 23
3.9.1 DL Power Control with BB FH ............................................................................................... 23
3.9.2 Downlink DTX ......................................................................................................................... 23
3.9.3 Extended Range Cell (DE34/DF34/DG35) ............................................................................. 24
3.9.4 MS Speed Detection ................................................................................................................. 24
3.9.5 Half Rate ................................................................................................................................. 24
3.9.6 Frequency Sharing .................................................................................................................. 24
3.9.7 RTC Combiner ......................................................................................................................... 24
3.9.8 NPS/X ...................................................................................................................................... 24
4. SELECTING THE RIGHT HOPPING STRATEGY ................................................................... 25
5. FREQUENCY PLANNING OF FREQUENCY HOPPING NETWORKS ................................ 27
5.1 NETWORK PLANNING PROCEDURE ................................................................................................... 27
5.2 FREQUENCY PLANNING PROCEDURE WITH NPS/X ........................................................................... 28
5.3 FREQUENCY REUSE ON FREQUENCY HOPPING NETWORK ................................................................ 30
5.3.1 Effective Reuse ......................................................................................................................... 31
Frequency Hopping Network Planning Guide
5.3.2 Frequency Allocation Reuse (RF FH only) ............................................................................. 31
5.4 LOAD ON NETWORKS UTILISING FRACTIONAL LOADING (RF FH ONLY) .......................................... 32
5.4.1 Frequency Load ....................................................................................................................... 32
5.4.2 Hard Blocking Load ................................................................................................................ 33
5.4.3 Fractional Load ....................................................................................................................... 34
5.5 TRUNKING EFFECT AND EFFECTIVE REUSE ...................................................................................... 35
5.6 FREQUENCY ALLOCATION STRATEGIES ............................................................................................ 37
5.6.1 BCCH Allocation ..................................................................................................................... 37
5.6.2 Selecting the Effective Reuse (BB FH) .................................................................................... 39
5.6.3 Selecting the Frequency Allocation Reuse and the Frequency Load (RF FH) ....................... 40
5.6.4 Frequency Sharing by Using MAIO Management (RF FH only) ........................................... 42
5.6.5 Frequency Sharing in the Single MA-list Scheme (RF FH only)............................................. 46
6. RADIO NETWORK PARAMETERS ............................................................................................. 48
6.1 PARAMETERS FOR MA-LIST DEFINITIONS IN BSC ............................................................................ 48
6.2 BTS LEVEL FH RELATED PARAMETERS ........................................................................................... 49
6.3 POWER CONTROL ............................................................................................................................. 52
6.4 HANDOVER ...................................................................................................................................... 54
6.5 DTX ................................................................................................................................................ 55
6.5.1 Uplink DTX .............................................................................................................................. 55
6.5.2 Downlink DTX ......................................................................................................................... 55
7. OPTIMISATION ............................................................................................................................... 56
7.1 TOOLS FOR NETWORK MONITORING ................................................................................................ 56
7.2 KPIS FOR HOPPING NETWORK .......................................................................................................... 56
7.3 RXQUAL IN FH NETWORKS ............................................................................................................ 57
7.4 IDLE CHANNEL INTERFERENCE MEASUREMENT ............................................................................... 61
7.5 CYCLIC AND RANDOM HOPPING SEQUENCES ................................................................................... 62
7.6 INTRACELL HANDOVER .................................................................................................................... 65
7.7 POWER CONTROL ............................................................................................................................. 65
7.7.1 Downlink Power Control with BB Hopping ............................................................................ 65
7.8 HANDOVER CONTROL ....................................................................................................................... 66
7.9 HSN PLANNING WITH RANDOM HOPPING ........................................................................................ 66
8. PLANNING CASES .......................................................................................................................... 67
8.1 PLANNING CASE 1: SINGLE MA-LIST................................................................................................ 67
8.1.1 Frequency Planning ................................................................................................................ 67
8.1.2 MAIO Planning ........................................................................................................................ 68
8.2 PLANNING CASE 2: RF FH WITH FRACTIONAL LOADING (FAR 3 – 5) .............................................. 71
8.2.1 Defining the Frequency Band and the Number of Frequencies Needed in Each Cell ............ 71
8.2.2 Frequency Allocation and Analysis ......................................................................................... 73
8.3 PLANNING CASE 3: RF FH WITH FREQUENCY SHARING ................................................................... 74
8.3.1 Frequency Planning ................................................................................................................ 74
8.3.2 MAIO Planning ........................................................................................................................ 75
8.3.3 Analysis ................................................................................................................................... 76