Method for improving the reception of a CDMA receiver, and a...

Details Method for improving the reception of a CDMA receiver, and a... Method for improving the reception of a CDMA receiver, and a...

2007-10-09

2007-10-09

Pham, Brenda (Department: 2616)

Multiplex communications

Communication over free space

Repeater

C370S241000

Reexamination Certificate

active

10134843

ABSTRACT:
The invention relates in general to systems for digital transmission, for example digital mobile radio systems such as the UMTS (Universal Mobile Telecommunications System) and in particular to the receiving-end estimation of parameters which are required for retrieving the data.An object of the invention resides, in particular, in indicating an efficient way which, particularly in the case of CDMA systems with power control, ensures estimates of higher quality than with methods of the prior art, and simultaneously largely avoids a substantial increase in the complexity of system implementation.For this purpose, the invention proposes a method for improving the reception of a CDMA receiver based on a parameter estimation method, as well as a correspondingly adapted CDMA receiver, in which the estimates are produced by processing received values (yi[k]) provided with correction factors (s), the correction factors (s) serving to equalize different power levels of the received signal.

REFERENCES:
patent: 5799011 (1998-08-01), La Rosa
patent: 6104747 (2000-08-01), Jalloul et al.
patent: 6208632 (2001-03-01), Kowalski et al.
patent: 0 893 888 (1999-01-01), None
patent: 1 158 696 (2001-11-01), None
patent: WO 00/33472 (2000-06-01), None
XP 000636095 Correlation Statistics Distribution Convolution (CSDC) Modeling for Studying CDMA Indoor Wireless Systems with RAKE Receiver, Power Control & Multipath Fading by Xioa Hua Chen IEICE Oct. 1996.

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