Invention Grant
- Patent Title: Circuits, devices, and processes for improved positioning satellite reception and other spread spectrum reception
- Patent Title (中): 用于改进定位卫星接收和其他扩频接收的电路,设备和过程
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Application No.: US13481439Application Date: 2012-05-25
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Publication No.: US08934522B2Publication Date: 2015-01-13
- Inventor: Sunil Chomal , Karthik Ramasubramanian , Jawaharlal Tangudu , Hemanth Mullur
- Applicant: Sunil Chomal , Karthik Ramasubramanian , Jawaharlal Tangudu , Hemanth Mullur
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent John R. Pessetto; Frederick J. Telecky, Jr.
- Priority: IN4142/CHE/2011 20111130
- Main IPC: H04B1/00
- IPC: H04B1/00

Abstract:
An integrated circuit for facilitating spread spectrum reception of data having a data bit period includes an hypothesis search circuit (120, 210, 220) operable to correlate a pseudorandom code with a signal input based on a received signal to produce correlation results, and a processor circuit (320) operable to coherently integrate the correlation results over plural sample windows (PreD1, PreD2) staggered relative to each other in the coherent integration interval and to non-coherently combine the coherently integrated results corresponding to the plural sample windows (PreD1, PreD2) to produce a received signal output, whereby enhancing performance. Other circuits, receivers and processes are also disclosed.
Public/Granted literature
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