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Method and apparatus for random access in an orthogonal multiple-access communication system

US9306713B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9306713-B2
Application numberUS-201414159853-A
CountryUS
Kind codeB2
Filing dateJan 21, 2014
Priority dateAug 21, 2006
Publication dateApr 5, 2016
Grant dateApr 5, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Techniques for accessing a wireless communication system are described. A user equipment (UE) sends a random access preamble for system access. The random access preamble may include a random identifier (ID), a channel quality indicator (CQI), etc. The UE may randomly select the random ID or may be assigned this random ID. The UE receives a random access response from a base station. The random access response may include control channel resources (e.g., CQI and PC resources), uplink resources, and/or control information (e.g., timing advance and PC correction) for the UE. The random access response may be sent in two parts using two messages. A first message may be sent on a control channel and may include identification information and possibly other information. A second message may be sent on a shared data channel and may include remaining information for the random access response.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for wireless communication, comprising: transmitting, by a user equipment (UE), a random access preamble for system access by the UE on a random access channel (RACH), the RACH being associated with a radio network temporary identity; receiving a first part of a random access response message on a physical downlink control channel, the first part of the random access response message comprising the radio network temporary identity associated with…

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Frequently asked questions

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What does patent US9306713B2 cover?
Techniques for accessing a wireless communication system are described. A user equipment (UE) sends a random access preamble for system access. The random access preamble may include a random identifier (ID), a channel quality indicator (CQI), etc. The UE may randomly select the random ID or may be assigned this random ID. The UE receives a random access response from a base station. The random…
Who is the assignee on this patent?
Qualcomm Inc
What technology area does this patent fall under?
Primary CPC classification H04L1/0029. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Apr 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).