Method and apparatus for receiving signal in wireless communication system
US-2015372772-A1 · Dec 24, 2015 · US
System and method of an in-band modem for data communications over digital wireless communication networks
US8958441B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8958441-B2 |
| Application number | US-47760809-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 3, 2009 |
| Priority date | Jun 5, 2008 |
| Publication date | Feb 17, 2015 |
| Grant date | Feb 17, 2015 |
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Abstract
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A system is provided for transmitting information through a speech codec (in-band) such as found in a wireless communication network. A modulator transforms the data into a spectrally noise-like signal based on the mapping of a shaped pulse to predetermined positions within a modulation frame, and the signal is efficiently encoded by a speech codec. A synchronization sequence provides modulation frame timing at the receiver and is detected based on analysis of a correlation peak pattern. A request/response protocol provides reliable transfer of data using message redundancy, retransmission, and/or robust modulation modes dependent on the communication channel conditions.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of controlling source terminal transmissions, the method comprising: detecting a request signal at a source terminal in an in-band communication system; transmitting a synchronization signal from the source terminal upon detection of the request signal; repeatedly receiving alternating negative acknowledgment (NACK) signals and synchronization signals at the source terminal, wherein the alternating NACK signals and synchronization signals indica…
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- H04L1/1858Primary
Electricity · mapped topic
Electricity · mapped topic
- H04L1/0003Primary
Electricity · mapped topic
Electricity · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US8958441B2 cover?
- A system is provided for transmitting information through a speech codec (in-band) such as found in a wireless communication network. A modulator transforms the data into a spectrally noise-like signal based on the mapping of a shaped pulse to predetermined positions within a modulation frame, and the signal is efficiently encoded by a speech codec. A synchronization sequence provides modulatio…
- Who is the assignee on this patent?
- Werner Marc W, Pietsch Christian, Sgraja Christian, and 5 more
- What technology area does this patent fall under?
- Primary CPC classification H04L1/1858. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 17 2015 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).