CTIA Wi-Fi V2.1.2 测试计划：移动融合设备射频性能评估标准

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本资源是关于CTIA-Certification Wi-Fi Alliance发布的《Wi-Fi移动融合设备射频性能评估测试计划》(CTIA Wi-Fi Test-Plan V2_1_2)的详细文档，版本更新至2020年12月。这份文档的核心内容是对Wi-Fi移动终端设备在无线通信方面的性能进行评估的标准化测试流程，旨在确保设备符合Wi-Fi联盟认证的要求。测试计划的重要性和目的： 1. **标准化测试**：这份V2_1_2版测试计划为Wi-Fi移动融合设备（如智能手机、平板电脑、笔记本等）的射频性能提供了一套全面而严谨的评估标准，帮助制造商确保其产品在Wi-Fi连接方面的性能表现符合行业最佳实践。 2. **认证程序**：测试必须在CTIA认证和Wi-Fi联盟授权的实验室进行，确保了测试环境的一致性和公正性。这确保了消费者可以信赖通过认证的设备在实际使用中的无线连接质量。 3. **版权保护**：任何对测试计划的复制、修改、改编或传输都必须获得CTIA认证和Wi-Fi联盟的书面许可，以尊重知识产权和维护测试计划的权威性。 4. **灵活性与限制**：虽然测试计划为认证过程提供了基础，但未经授权的其他用途是被严格禁止的，除非得到CTIA认证和Wi-Fi联盟的书面授权。这强调了其专属性和使用的局限性。 5. **持续更新**：该版本的发布表明了CTIA和Wi-Fi Alliance对于保持测试标准与时俱进的承诺，反映了无线技术的不断演进和变化。 6. **操作指南**：使用测试计划时，实验室人员需要遵循详细的使用说明，以确保正确执行各项测试步骤，获取准确、可靠的设备性能数据。这份CTIA Wi-Fi Test-Plan V2_1_2是无线设备制造商和测试机构之间沟通的关键工具，它定义了如何评估和验证产品的无线性能，以确保用户能够体验到稳定、高效和无缝的Wi-Fi连接。

Test Plan Version 2.1.2

The following EUT settings are required to perform the test:

• Disable scan mode during testing; scanning for AP/client on other channels shall be

disabled

• If applicable, disable Power Save Mode (Note that the WLAN tester will not support WMM

APSD)

• If applicable, disable the Bluetooth radio during tests

• Except for the desense testing, the cellular transmitter in the EUT shall be inactive

Radiated testing shall be performed on an unmodified device using all active antennas. Conducted

tests shall be performed on each antenna port with the other antenna port(s) properly terminated. If

necessary, an equivalent device may be modified to provide conducted access to each antenna port.

For all Wi-Fi RATs, including 802.11n, 20 MHz channels are used. 802.11n should be configured for

a long guard interval.

Test Plan Version 2.1.2

TABLE 3.1-1 TX TEST DATA RATES FOR CONDUCTED TESTING

Band

Mode

Tx Data Rate (Mbps)

2.4GHz

IEEE 802.11b

IEEE 802.11g

IEEE 802.11n

6.5

5GHz

IEEE 802.11a

IEEE 802.11n

6.5

TABLE 3.1-2 RX TEST DATA RATES FOR CONDUCTED TESTING

Band

Mode

Rx Data Rate (Mbps)

2.4GHz

IEEE 802.11b

IEEE 802.11g

6, 54

IEEE 802.11n

6.5, 65

5GHz

IEEE 802.11a

6, 54

IEEE 802.11n

6.5, 65

3.1.4 Test Procedure for Output Power Level

This test procedure defines the basic method for measuring the transmit power of the EUT. A WLAN

tester is used to establish the connection and generate traffic to and from the EUT. A calibrated

WLAN tester or other applicable power measurement device (e.g., signal analyzer) is used to provide

traceable power measurements.

With the PING based packet generation method, the WLAN tester will generate ICMP echo request

packets with configurable transmit interval, payload size and payload type. The ICMP echo request

packets are targeted at the EUT's IP stack. The EUT is expected to answer with a well-defined echo

reply packet whose payload is identical to the payload of the corresponding request.

If the ACK based packet generation method is used, the power is measured across multiple ACK

control frames from the EUT rather than full data packets. The ACK control frames are sent in

response to unicast data packets generated by the WLAN tester. The measurement is taken across

multiple packets and a mean value calculated.

For client devices, the tester is typically configured as an AP, although the tester may alternatively

be configured as a non-AP STA (networking station) operating in ad-hoc mode to perform the

measurement. The tester shall be configured to the channel (frequency) and data rate to be tested

as specified in Section 3.1.3. Additional tester settings may also be needed to ensure that the EUT

responds at the target data rate.

For access points and devices acting as mobile access points, the tester is configured as a client. In

this case, the EUT shall typically be configured for the channel to be tested as specified in Section

3.1.3. The tester shall be configured for the data rate to be tested as specified in Table 3.1-1.

Additional tester settings may also be needed to ensure that the EUT responds at the target data

rate.

The EUT shall be configured to transmit at maximum power.

To generate the traffic for power measurement using the PING based method, the WLAN tester will

generate ICMP echo request packets with configurable transmit interval and payload size and

payload type as specified in Table 3.1-3. The reported result is determined from the power measured

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