Creating a Test Plan - CE 5G
The CE 5G option is used for EU CE (RED) certification testing of RLAN products in the 5 GHz band per EN 301 893, including tests such as Adaptivity (channel access mechanism). When creating a test plan, select the Type (technology) first: RLAN / Proprietary. Each type is described separately below.
RLAN
Title: Test plan name, entered by the user, e.g., RLAN / WiFi-5G.
Type: Technical category, select RLAN here.
Num of Chains: Number of transmit chains (antennas) the product has.
Band: Operating bands supported by the product, multi-select: 1 / 2 / 3 / 4 and the cross-band combinations 1+2 / 3+4. Band 1+2 refers to the entire 5150 ~ 5350 MHz range: if the product supports 160MHz bandwidth, the channel at 5250MHz spans both Band 1 and 2, which is the Band 1+2 referred to here; if the product does not support 160MHz bandwidth, Band 1+2 does not need to be selected.
Mode: Modes supported by the product (required): 802.11a / n / ac / ax / be. After checking a mode, select the corresponding Bandwidth (20 / 40 / 80 / 160 MHz) and TX Type (SISO / MIMO).
RU Config: RU (Resource Unit) configurations supported by 802.11ax / be devices. The Full RU of each bandwidth is required; select the other RU configurations according to the product's actual support. Displayed after 802.11ax / be is checked.
Carrier Wave: Whether the product supports carrier wave transmission. If Yes is selected, the frequency error will be measured in carrier wave mode; the test setup differs considerably from the modulated signal test.
Frame Type: Frame structure of the transmitted signal:
FBE (Frame Based Equipment): Products based on a fixed frame structure. The transmission/reception of such products is periodic, and the period equals the fixed frame period. FBE devices can change their fixed frame period, but the time interval cannot be less than 200ms.
LBE (Load Based Equipment): Products whose frame structure varies with the load, i.e., products whose transmitted signal changes dynamically according to the amount of data to be transmitted and the number of connected users. RLAN products usually belong to LBE. This option affects the Adaptivity test settings; in addition, only the LBE category requires the CAM (Channel Access Mechanism) test, which is mainly the Idle Period probability test.
CAM Option: How compliance with the CAM (Channel Access Mechanism) is confirmed. There are two ways in the regulation: Test — measure the probability of idle periods to verify that the CAM meets the requirements; Declaration — declare that the CAM complies with the regulation by describing the technical characteristics of the product. Choose between actual testing and declaration according to the actual situation.
Priority Class: Priority class (1 ~ 4), default 2. If CAM testing is selected, a priority class needs to be selected. Generally speaking, a product may support multiple priority classes at the same time. According to EN 301 893 V2.1.1 (2017-05) Page 77: if the priority classes supported by the product include 2, the CAM is evaluated at priority class 2; otherwise, if they include 1, it is evaluated at priority class 1; otherwise, if they include 3, it is evaluated at priority class 3; otherwise, it is evaluated at priority class 4. Different priority evaluation classes affect the idle period probability evaluation results.
Initiating Type: Confirm whether the product is an Initiating or Responding device:
The two main tasks of an initiating device: 1. Initialize the communication link and perform channel availability checks; 2. Coordinate and control the communication requests of responding devices (grant communication permission).
Responding device: may transmit signals only after receiving permission from the initiating device.
Supervise Type: Confirm whether the product is a Supervising or Supervised device. This concept is introduced in the LBE Adaptivity test. The differences between the two are mainly reflected in two aspects: first, the differences in the operating parameters of EN 301 893 V2.1.1 (2017-05) Page 30 Table 7 and Table 8; second, the differences in the calculation of the idle period probability results.
Supervising device: a device that (during communication) can control the (non-DFS-related) operating parameters (EN 301 893 V2.1.1 Page 30 Table 7).
Supervised device: any device that is not a supervising device is a supervised device.
TPC Support: Confirm whether the product supports TPC (Transmit Power Control, a mechanism that can automatically adjust the product's transmit power). This option affects the Power and PSD Limits. Displayed after Band 2 / 3 (5250 ~ 5350 / 5470 ~ 5725 MHz) is selected.
DFS Type: DFS type of the product: Master (actively listening device) / Slave without Radar Detection / Slave with Radar Detection. Displayed after Band 2 / 3 is selected.
Test Process: Select the test process:
Full Test: The software iterates through all previously checked modes, bandwidths and items for testing (a very large amount of testing).
Per Section 5.3.2: Selects the corresponding modes and bandwidths for testing per EN 301 893 V2.1.1 (2017-05) Section 5.3.2 (the amount of testing is about one third of the Full Test).
Per Section 5.3.2 with full mode: Covers all modes on top of Section 5.3.2.
Antenna Gain:
Title: Antenna number, named sequentially by default as 1, 2, 3, 4..., or manually input other names according to customer requirements.
Gain: Gain of each antenna in the corresponding band (Band).
Cable Loss: Cable loss of the RF cable from the product's antenna port to the Switch Box (RF port of the switch) or the SA (spectrum analyzer). How to Create Common Cable Loss.
Switch Box Port: Port number of the switch connected to the product's antenna.
Item: Test items for each antenna; the numbers correspond as follows:
(C5000) Duty Cycle
(C5001) Carrier Frequencies
(C5002) Occupied Channel Bandwidth
(C5003) RF Output Power
(C5004) Power Density
(C5005) Transmitter Unwanted Emissions Outside The 5 GHz RLAN Bands
(C5006) Transmitter Unwanted Emissions Within The 5 GHz RLAN Bands
(C5007) Receiver Spurious Emissions
(C5008) Adaptivity (Channel Access Mechanism)
(C5009) Receiver Blocking
(C5010) Adjacent channel selectivity
The software preselects the default test items according to the technical characteristics. Note: In some cases, test parameters are mutually referenced between items; it is recommended to create the test plan with the default items.
Proprietary
Type: Technical category, Proprietary (custom product).
Band / Carrier Wave / Frame Type / CAM Option / Priority Class / Initiating Type / Supervise Type / Test Process: Same as RLAN.
Mode: Custom mode table:
Title: Mode number; other names can be manually input according to customer requirements.
Nominal BW: Sets the nominal bandwidth occupied by the signal on the spectrum.
TX Type: Transmission type, SISO / MIMO.
LCH / MCH / HCH: Low / middle / high channel frequency settings (MHz).
CSP: Channel Spacing.
Action: Used to add / delete mode configuration rows.
Advanced Setting and Special Eut Settings
The following settings can generally be kept at their default values. Adjust them only when the test results are abnormal or there are special test requirements.
Version: Version of EN 301 893 used for testing: V2.1.1 / V2.2.1. The default value can be changed on the Setting page.
Switch Box: Whether to use a Switch Box. This standard includes tests such as Adaptivity, which require a Switch Box.
External Filter: Whether an external filter is used in the RF path during testing.
Env: Environmental conditions to test, multi-select: NTNV / LTNV / HTNV (normal temp normal volt / low temp normal volt / high temp normal volt).
ADA Delay: Delay (ms) for the Adaptivity test. Used to simulate the latency in network communication; by artificially introducing a delay, it tests how the device handles latency in a real network. The default value can be changed on the Setting page.
Password: WiFi password of the CMW500, used for receiver-related tests.
VSG ALC State: Power ALC state of the vector signal generator (ON / OFF). Used for the Adaptivity test.
Only Full RU: The checked items test only the Full RU. Displayed after 802.11ax / be is checked.
Channel Config: Channel configuration, Default or Custom (manually customized channels).
Hide Image Elements: Select the elements to hide in report images (e.g., the Ant antenna marker).
RU POS Show: How the RU position is displayed in the report: POS / POS Number / POS And POS Number.
RU Priority: RU test priority: Full RU First or Sequence (in the order RU26 → RU52 → RU106...).
Usage: Usage scenario: Normal (regular environment) / Trains or Road Vehicles (used on trains or road vehicles). The power Limits of the two scenarios are different.
Skip Partial RU: Whether to skip the Partial RU test. Displayed after 802.11ax / be is checked.
Special Setting: Special settings. Options prefixed with [D] are debug options and do not need to be checked for normal testing:
[D] Virtual Data / [D] Random Data / [D] Ignore Eut Confirm / [D] Random Status: Debug options.
DC One Mode: Only one duty cycle is tested per mode.
Single Ant Data of MIMO: Displays the EIRP and PSD data of each antenna for MIMO (CE 2.4G/5G/6G).
C5008 Threshold (x1,x2): Threshold coefficient settings for the C5008 Adaptivity test.
Min Power: Sets the minimum power (dBm); 0 means automatic.
Min Idle: Minimum idle time (ms). Used for C5003.
Blocking Mode: Receiver blocking test mode: Default (per the regulations, only the lowest-rate mode is tested) / All (all modes are tested).
100% Duty Cycle: Whether the sample's duty cycle is 100% (Unknown / Yes / No); only needs to be selected when the system misjudges the duty cycle.
Referenced regulations (displayed next to the Create button): CE 5G, Version: EN 301 893 V2.1.1/V2.2.1