2 LTE cell search and cell selection procedure .......................... 6
2.1 LTE Initial Access ..............................................................................................6
2.2 Initial synchronization.......................................................................................6
2.2.1 Step I – Primary Synchronization Signal ........................................................7
2.2.2 Step II – Secondary Synchronization Signal (SSS)......................................10
2.3 Broadcast of essential system information in LTE......................................15
2.3.1 PBCH and MIB .................................................................................................15
2.4 Difference between LTE FDD and TD-LTE.....................................................17
2.5 Cell selection and reselection criteria...........................................................19
3 R&S test solutions for LTE, focus cell search and selection 22
3.1 Why test cell search and selection performance?.......................................22
3.2 Downlink signal generation............................................................................23
3.3 Downlink signal analysis................................................................................24
3.4 R&S® CMW500 – UMTS LTE Protocol Tester ...............................................26
3.4.1 Introduction......................................................................................................263.4.2 Operating software for protocol tests ...........................................................29
3.4.3 Verification of cell-search & selection procedure with R&S® CMW500 ....29
3.4.3.1 PHY scenarios – Physical Layer Testing ......................................................29
3.4.3.2 IOT – Interoperability Testing.........................................................................30
3.4.3.3 Cell selection and reselection according to 3GPP TS 36.523 Part 1..........33
3.4.3.4 Cell selection and reselection according to 3GPP TS 36.521 Part 3..........34
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