【資料名稱】：Bsspar9

【資料作者】：unknow

【資料日期】：unknow

【資料語言】：英文

【資料格式】：DOC

【資料目錄和簡(jiǎn)介】：

TABLE OF CONTENTS
1INTRODUCTION6
2NOKIA SOFTWARE NUMBERING6
3REFERENCE DATA6
4CHANNEL CONFIGURATIONS7
4.1TIME ALLOCATION, TDMA FRAME STRUCTURE7
4.2SIGNALLING CHANNELS8
4.2.1Logical Channels8
4.2.2Channel Combinations10
4.3TRAFFIC CHANNELS12
4.4CAPACITY (SDCCH, PAGCH)13
4.5DYNAMIC SDCCH ALLOCATION, OPTIONAL15
4.6PARAMETERS RELATED TO CHANNELS16
4.7CCCH IMPROVEMENTS19
5IDLE MODE OPERATION19
5.1IDLE MODE CONTROL19
5.1.1Access/Mobility Management19
5.2PLMN SELECTION20
5.3ID'S AND ID CODES20
5.4CELL SELECTION23
5.5LOCATION UPDATES25
5.6IMSIATTACHDETACH26
6PROTOCOLS27
6.1CALL ASSIGNMENT27
6.1.1Mobile Originating Call27
6.1.2Mobile Terminating Call28
6.2LOCATION UPDATE30
6.3DISCONNECT31
6.3.1Network Initiated31
6.3.2Mobile Station Initiated32
6.4HANDOVERS32
6.4.1Synchronised Handover33
6.4.2Non-Synchronised Handover33
6.4.3Handover Failure34
7RADIO RESOURCE34
7.1TRAFFIC CHANNEL ALLOCATION34
7.1.1Maximum interference level35
7.1.2Active Channel Interference Estimation (S6)37
7.2PRIORITY IN TCH ALLOCATION37
7.3PREFERRED BCCH TRXS, OPTIONAL38
7.4FREQUENCIES AND FREQUENCY HOPPING40
7.4.1Baseband Hopping (BB Hopping)40
7.4.2Radio Frequency Hopping (RF Hopping)41
7.4.3Freeform RF-Hopping (S6)41
7.4.4Flexible MAIO management (S7)42
7.4.5Terminology43
7.5DIRECTED RETRY AND INTELLIGENT DIRECTED RETRY44
7.6QUEUING49
7.7DROP CALL CONTROL50
7.8TRUNK RESERVATION ALGORITHM, OPTIONAL51
8MEASUREMENTS55
8.1THE CODING OF THE MEASUREMENTS55
8.2MOBILE STATION MEASUREMENTS IN IDLE MODE55
8.3MOBILE STATION MEASUREMENTS IN DEDICATED MODE56
9MEASUREMENT PROCESSING57
9.1PRE-PROCESSING IN BTS57
9.2AVERAGING AND SAMPLING IN BSC57
9.2.1Fast Handover Averaging Method (New feature available in S6)58
9.3DTX AND WEIGHTING61
9.4PROCESSING IN BSC61
10POWER CONTROL63
10.1REASONS AND STRATEGY63
10.2PC THRESHOLD COMPARISON AND PC COMMAND63
10.3POWER CONTROL ALGORITHMS64
10.3.1MS/BTS power increase due to signal level65
10.3.2MS/BTS power increase due to signal quality66
10.3.3BTS power decrease due to signal level ( S9 improvement)68
10.3.4BTS power decrease due to quality ( S9 improvement)69
10.3.5MS power decrease due to signal level71
10.3.6MS power decrease due to signal quality72
10.3.7Conclusions74
11HANDOVER PROCESS76
11.1HANDOVER DECISION76
11.2INTERVAL BETWEEN HANDOVERS AND HANDOVER ATTEMPTS76
11.3TARGET CELL EVALUATION77
11.4ALGORITHMS77
11.5RADIO RESOURCE HANDOVERS78
11.5.1Power Budget Handover79
11.5.2Umbrella Handover80
11.5.3Combined umbrella and power budget81
11.5.3.1Fast moving MS handling in macro cell83
11.5.3.2MS Speed Detection and Various Window Size83
11.5.4Handover due to Quality or Signal level86
11.6IMPERATIVE HANDOVERS87
11.6.1MS – BTS Distance88
11.6.2Rapid Field Drop and Enhanced Rapid Field Drop88
11.6.2.1Chained adjacent cells in Rapid Field Drop88
11.6.2.2Turn-Around-Corner MS89
11.7TRAFFIC REASON HANDOVER91
11.7.111.7.1 MSC controlled traffic reason handover91
11.7.2BSC initiated Traffic reason handover ( Advanced Multilayer Handling, S8)93
11.7.2.1Interactions with other features94
11.8LOAD CONTROL BETWEEN LAYERS : ADVANCED MULTILAYER HANDLING (S8)95
11.8.1IUO Load control95
11.8.2Multilayer (Dual band/micro cellular) network load control96
11.8.311.8.3 Parameters involved96
11.9DIRECT ACCESS TO DESIRED LAYER/BAND (S8)97
11.9.1Interactions with other features98
11.10PARAMETERS99
11.11ADJACENT CELL PARAMETERS102
11.12PRACTICAL EXAMPLES OF HANDOVERS105
12INTELLIGENT UNDERLAY OVERLAY (IUO)107
12.1TERMINOLOGY107
12.2FUNCTIONAL PROPERTIES107
12.2.1Regular and super-reuse frequencies107
12.2.2Downlink C/I ratio of the super-reuse TRX109
12.3TRAFFIC CHANNEL ALLOCATION IN CALL SETUP AND INHANDOVERS109
12.3.1Traffic Channel Allocation in call setup109
12.3.2Traffic Channel Allocation for inter-cell and intra-cell handover to a regular TRX111
12.3.3Traffic channel allocation for inter-cell and intra-cell handover to a super-reuse TRX112
12.4HANDOVER STRATEGY112
12.4.1Underlay-overlay handover113
12.4.2Direct access procedure: C/I evaluation by-passed! Extra capacity!114
12.4.3Handover caused by radio criteria or by other reasons than radio criteria115
12.5PROCESSING RADIO LINK MEASUREMENTS115
12.5.1Bookkeeping and averaging of the RXLEV of the interfering cell115
12.5.2Variable averaging window size116
12.6C/I EVALUATION116
12.6.1RXLEV of the interfering cell117
12.6.2C/I calculation methods118
12.7THRESHOLD COMPARISON119
12.7.1Handover119
12.8HO DECISION ALGORITHM119
12.8.1Underlay-overlay handover to a super-reuse TRX119
12.8.2Underlay-overlay handover from a super-reuse TRX120
12.8.3Direct access to a super-reuse TRX121
12.8.4Interval between handovers and handover attempts124
12.9INTELLIGENT FREQUENCY HOPPING (S7)124
12.10PARAMETERS RELATED TO IUO127
13HANDOVER SUPPORT FOR COVERAGE ENHANCEMENTS ( HSCE-S7)129
14ENHANCED COVERAGE BY FREQUENCY HOPPING OR "REVERSED ICE" (S8, OPTIONAL)131
14.1DESCRIPTION OF THE FEATURE131
14.2PARAMETERS133
15THE EXTENDED CELL134
15.1IMPROVED SOLUTION FOR EXTENDED CELL (S6)134
16DYNAMIC HOTSPOT (S8, OPTIONAL)136
16.1PURPOSE OF FUNCTION CLASS136
16.2DYNAMIC HOTSPOT IN TCH ALLOCATION136
16.3DYNAMIC HOTSPOT ALGORITHM137
16.3.116.3.1 Adjacent cell signal quality calculation139
16.4PARAMETERS140
16.5ADJACENT CELL SIGNAL QUALITY MEASUREMENTS : KNOW-HOW141
17DUAL BAND GSM/DCS NETWORK OPERATION IN S5143
18HALF RATE145
19ENHANCED FULL RATE CODEC (ETSI) (S6)148
20BACKGROUND DATABASE150
20.1BACKGROUND LOADING OF RADIO NETWORK PLAN151
21HIGH SPEED CIRCUIT SWITCHED DATA (HSCSD)152
21.1.1Description of the feature152
21.1.2Radio resource allocation154
21.1.3Power Control and Handover algorithm155
21.1.4Restrictions156
21.1.5Interaction with other features156
21.1.6HSCSD load control158
21.1.714.4/14.5 kbit/s connection power control and automatic link adaptation160
21.1.8Resource Upgrade161
21.1.9Resource downgrade162