Signal acquisition in a wireless communication system

A technology of a wireless communication system and a wireless communication device, which is applied in the field of signal acquisition in a wireless communication system, and can solve problems such as unknown propagation delays

Active Publication Date: 2009-06-03
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, the terminal does not know the start of each frame for a given base station, the timing at which each frame is transmitted by the base station, or the propagation delay caused by the communication channel

Method used

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  • Signal acquisition in a wireless communication system
  • Signal acquisition in a wireless communication system
  • Signal acquisition in a wireless communication system

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Embodiment Construction

[0036] Various embodiments will now be described with reference to the drawings, in which the same reference numerals are used throughout to indicate similar elements. In the following description, for the purpose of explanation, a large number of specific details are set forth in order to provide a thorough understanding of one or more embodiments. However, it is obvious that such an embodiment can be implemented without such specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate description of one or more embodiments.

[0037] As used in this application, the terms "component", "module", "system", etc. refer to entities related to a computer, whether it is hardware, firmware, a combination of hardware and software, software, or software in execution. For example, a component may be, but is not limited to: a process, a processor, an object, an executable program, a thread of execution, a program, and / or a com...

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Abstract

The present invention describes systems and methodologies that generate pilots for signal acquisition in a wireless communication system based on time domain sequences. The pilots may be generated by a base station and transmitted in a pilot field to one or more access terminals to aid in signal acquisition at each of the access terminals. One of the pilots may be common to all access points in the wireless communication system, thereby allowing an access terminal to obtain a timing estimate for the system while minimizing the effects of interference variations between base stations. Further, one or more generated pilots may be unique to each access point in order to allow each respective access point to be identified by its generated pilots.

Description

[0001] Cross-references to related applications [0002] This application claims the priority of US Provisional Patent Application Serial No. 60 / 802,628 filed on May 22, 2006, entitled "SIGNAL ACQUISITION IN A WIRELESS COMMUNICATION SYSTEM", which is hereby incorporated by reference in its entirety. Technical field [0003] The present disclosure generally relates to wireless communication, and more specifically, to techniques for signal acquisition in wireless communication systems. Background technique [0004] Wireless communication systems are widely used to provide various communication services; for example, voice, video, packet data, broadcast, and messaging services can be provided via such wireless communication systems. Such a system may be a multiple access system capable of supporting communication for multiple terminals by sharing available system resources. Examples of such multiple-access systems include code division multiple access (CDMA) systems, time division mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/707H04L27/26
CPCH04B1/7075H04L27/2613H04B2201/70701H04L27/2655H04L5/0023H04L5/0048H04B1/76
Inventor A·戈罗霍夫A·汉德卡尔R·保兰基
Owner QUALCOMM INC
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