Patent ID: 8358992

Claim:
A method for a wireless terminal receiving sensitivity performance test based on a data mode, comprising: building a human body model, in which an upper limb of the model holds a device under test at a predefined distance in front of head of the model; taking antenna of the device under test as origin to build a spherical coordinate and selecting a testing point in the spherical coordinate; and placing the model under circumstance of a full-anechoic chamber, enabling the device under test to work in a data mode, and collecting receiving power at the testing point in the spherical placement system using a testing antenna, so as to obtain total power receiving sensitivity of the device under test, wherein the testing antenna is a dual-polarized antenna, wherein the receiving power collected at each testing point comprises a horizontal polarization component and a vertical polarization component, and wherein the process of obtaining the power receiving sensitivity of the device under test after collecting the horizontal polarization component and the vertical polarization component comprises: respectively obtaining the total receiving sensitivity at each testing point according to the following formula (1) and then normalizing the total receiving sensitivity at each testing point: TRS = 4 ⁢ π ∮ [ 1 EIS θ ⁡ ( Ω ; f ) + 1 EIS φ ⁡ ( Ω ; f ) ] ⁢ ⅆ Ω , formula ⁢ ⁢ ( 1 ) wherein TRS is the total receiving sensitivity at the current testing point, θ and φ are testing angles, EIS θ and EIS φ are a horizontal polarization component and a vertical polarization component respectively, Ω is the three-dimensional direction angle of the current testing point in the spherical coordinate, and f is the current working frequency of the device under test; and obtaining the total receiving sensitivity of the device under test according to the following formula (2): TRS ≈ 2 ⁢ NM π ⁢ ∑ n = 0 N - 1 ⁢ ⁢ ∑ m = 0 M - 1 ⁢ ⁢ [ 1 EIS θ ⁡ ( θ n , φ m ; f ) + 1 EIS φ ⁡ ( θ n , φ m ; f ) ] ⁢ sin ⁡ ( θ n ) , formula ⁢ ⁢ ( 2 ) wherein TRS is the total receiving sensitivity of the device under test, N and M are multiple sampling intervals for θ and φ respectively, EIS θ (θ n , φ m ) is the horizontal polarization component of the receiving power of the testing point having a testing angle of θ n and φ m , EIS φ (θ n , φ m ) is the vertical polarization component of the receiving power of the testinu point having a testing angle of θ n and φ m , and f is the current working frequency of the device under test.