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40832

Federal Register / Vol. 86, No. 143 / Thursday, July 29, 2021 / Notices Field
Data type
Example
Description/notes
cell_connection

Enumerated

1

network_
generation

Enumerated

4G

network_subtype

Enumerated

LTE

rssi

Decimal 3,1

57.2

rsrp

Decimal 3,1

92.1

rsrq

Decimal 3,1

12.5

sinr

Decimal 3,1

21.3

ec_io

Decimal 3,1

8.3

rscp

Decimal 3,1

87.2

cqi

Integer

11

spectrum_bandwidth

Numeric

15

arfcn

Integer

66786

Connection status of the cell.
Value must be one of the following codes:
0Not Serving.
1Primary Serving.
2Secondary Serving.
Note: this value may be null if connection status returns unknown.
String representing the network generation of the cell.
Value must be one of the following:
2G/3G/4G/5G/Other String representing the network subtype of the cell.
Value must be one of the following:
1X/EVDO/WCDMA/GSM/HSPA/HSPA+/
LTE/NR
Measured Received Signal Strength Indication RSSI in dBm of the cell.
Note: this value is required for all network generations and subtypes.
Measured Reference Signal Received Power RSRP in dBm of the cell.
Note: this value is only required for LTE and NR subtypes, and may be null for all other network subtypes.
Measured Reference Signal Received Quality RSRQ in dB of the cell.
Note: this value is only required for LTE and NR subtypes, and may be null for all other network subtypes.
Measured Signal to Interference and Noise Ratio SINR in dB of the cell.
Note: this value is only required for 2G, LTE, and 5G network generations, and may be null for 3G.
Measured Energy per Chip to Interference Power Ratio in dB of the cell.
Note: this value is only required for CDMA
1X, EVDO, WCDMA, HSPA, and HSPA+
network subtypes, and may be null for all other network subtypes.
Measured Received Signal Code Power in dBm of the cell.
Note: this value is only required for WCDMA, HSPA, and HSPA+ network subtypes, and may be null for all other network subtypes.
Measured Channel Quality Indicator CQI of the cell.
Note: this field is only required for WCDMA, HSPA, HSPA+, LTE, and NR network subtypes, and may be null for all other network subtypes.
Total amount of spectral bandwidth used by the cell in MHz.
Absolute radio-frequency channel number, measured absolute physical RF channel number of the cell.

III. Appendix B: Drive Test ProceduresTechnical Appendix
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A. Introduction This technical appendix provides information about the proposed mobile certification process for Alaska Plan providers subject to drive testing. The Alaska Plan requires such testing to include a statistically significant number of tests in the vicinity of residences being covered to
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demonstrate that plan participants have met the commitments in the performance plans approved by the Wireless Telecommunications Bureau Bureau.
Remote Alaska is extraordinarily sparsely populated; virtually all its county-level geographies have population densities of three or fewer people per square mile. Accordingly, testing every location for a providers coverage would be unduly burdensome,
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and testing a sample of locations is required.
For the sampling required to implement the testing procedures under the Alaska Plan, staff proposes to use stratified random sampling. When properly implemented, this sampling methodology can achieve an optimal balance between the statistical significance required by the Alaska Plan and the burden on providers to conduct
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