CDMA receiver

US6888877B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Markus Doetsch · Köniz, CH
• Tideya Kella · Birkenfeld, DE
• Peter Schmidt · Ellerstadt, DE
• Peter Jung · Munich, DE
• Joerg Plechinger · Munich, DE
• Michael Schneider · Conroe, US

Key dates

• Filing date: Jan 17, 2001
• Grant date: May 3, 2005
• Expiry date: Aug 18, 2022

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B2201/70701
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

CDMA Receiver. According to one embodiment, a CDMA receiver is provided for receiving a CDMA signal in a multi-subscriber environment. The multi-subscriber environment can include a receiving device for receiving the CDMA signal. Further, the environment can include a Rake receiving circuit for detection of signal components of the CDMA signal which are transmitted via the various signal paths. The environment can also include a channel estimation circuit for estimating channel coefficients of a transmission channel coefficient h of a transmission channel H by means of a predetermined reference data sequence contained in the received CDMA signal. A weighting coefficient calculation device can calculate weighting coefficients for the various signal components of the CDMA signal. Further, the environment can include a weighting circuit for weighting the signal components with the calculaed weighting coefficients. A combiner can combine the weighted signal components to form an estimated received data signal.