Method for measuring receive sensitivity of base station having multiple frequency allocations

• US 20030179730A1
• Filed: 03/06/2003
• Published: 09/25/2003
• Est. Priority Date: 03/25/2002
• Status: Active Grant

• Current Assignee: KT Corporation
• Original Assignee: KT Corporation
• Inventors: Lee, Sang Keun, Kim, Sang Kyun
• Granted Patent: US 7,599,322 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04W 24/00 Supervisory, monitoring or testing arrangements
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support

Abstract

Disclosed is a method for measuring receive sensitivity of a base station in order to test a plurality of FAs with only one test terminal. The method includes the steps of: performing synchronization of a primary FA and detecting a channel list at the test terminal; and sensing at least one FA from the base station according to the channel list at a controller, and controlling the test terminal to perform synchronization of each FA from a first FA of a first sector to the last FA of the last sector, one by one. Therefore, it has an advantage in that the receive sensitivity of all FAs (frequency allocations) can be measured by using only one test terminal, while testing receive sensitivity of a base station providing multiple FAs.

Claims

1. A method for measuring receive sensitivity of a base station having multiple frequency allocation by measuring output of a test terminal, wherein the test terminal is set in an electromagnetic wave blocking case, the output of the test terminal being connected to an RF coupler of the base station through an attenuator by cables, the method comprising the steps of:

storing mobile identification numbers (MINs) corresponding to frequency allocations (FAs) of the base station in the test terminal; and

testing each FA of the base station by setting up originating-calls to each MIN stored in the test terminal.

2. The method as claimed in claim 1, further comprising a step of:

analyzing continuously code range of a forward link and testing a receive sensitivity when no traffic channel is assigned, so as to minimize a measurement drift of the receive sensitivity, which varies dynamically according to traffic quantity.

3. The method as claimed in claim 1, wherein the step of storing includes storing at least two MINs on the test terminal.

4. The method as claimed in claim 3, wherein the step of testing includes originating calls to MIN corresponding to an FA in accordance with a designation by a controller.

5. A method for measuring receive sensitivity of a base station having multiple frequency allocation by measuring output of a test terminal, wherein the test terminal is set in an electromagnetic wave blocking case, the output of the test terminal being connected to an RF coupler of the base station through an attenuator by cables, the method comprising the steps of:

performing synchronization of a primary FA and detecting a channel list at the test terminal; and

sensing at least one FA from the base station according to the channel list at a controller, and controlling the test terminal to perform synchronization of each FA from a first FA of a first sector to the last FA of the last sector, one by one by ignoring hash functions.

6. The method as claimed in claim 5, wherein the base station is a simplex or duplex mode base station which supports a second generation wireless system (2G) and a CDMA 1X system (1X), and the test terminal generates all FA signals for the 2G and 1X one by one by ignoring hash functions, according to the control signal of the controller, so as to measure receive sensitivity of all of the FAs.

7. The method as claimed in claim 5, further comprising a step of:

analyzing continuously a forward link Ec/Io test terminal and testing a receive sensitivity when traffic channels are assigned, so as to minimize a measurement drift of the receive sensitivity, which varies dynamically according to a number of traffic channels.

8. The method as claimed in claim 5, further comprising the step of generating a control signal by the controller for FA frequency synchronization to forcibly perform a test by controlling originating-calls from the test terminal.