发明名称 |
ANGLE OF ARRIVAL ESTIMATION IN A WIRELESS TELECOMMUNICATIONS NETWORK |
摘要 |
<p>The present invention relates to estimating the Angle of Arrival (AoA) of a signal from a user equipment received at a base station of a wireless telecommunications network where the base station has a multi-beam antenna. A signal received from a user equipment is received by the each of the multiple beams of the antenna, and the two adjacent beams receiving the highest amplitude from the end user are selected. A ratio of functions of the amplitudes of the two selected beams, such as a ratio of the difference between the amplitudes of the two beams to the sum of the amplitudes is calculated and compared to a data store of ratios. The data store stores expected ratios corresponding to AoAs and the calculated ratio is compared to the pre-calculated expected ratios to extract an estimate of the AoA of the signal from the user equipment.</p> |
申请公布号 |
WO2004060010(A1) |
申请公布日期 |
2004.07.15 |
申请号 |
WO2003GB05533 |
申请日期 |
2003.12.17 |
申请人 |
NORTEL NETWORKS UK LIMITED;NORTEL NETWORKS LIMITED |
发明人 |
BEVAN, DAVID;ERMOLAYEV, VICTOR;FLAKSMAN, ALEXANDER;MAVRICHEV, EVGENY |
分类号 |
H04W64/00;(IPC1-7):H04Q7/38 |
主分类号 |
H04W64/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|