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MY142160A - Method for signaling information by modifying modulation constellations - Google Patents

Method for signaling information by modifying modulation constellations

Info

Publication number
MY142160A
MY142160A MYPI20055395A MYPI20055395A MY142160A MY 142160 A MY142160 A MY 142160A MY PI20055395 A MYPI20055395 A MY PI20055395A MY PI20055395 A MYPI20055395 A MY PI20055395A MY 142160 A MY142160 A MY 142160A
Authority
MY
Malaysia
Prior art keywords
phase
signal field
modulation constellation
signaling information
constellation
Prior art date
Application number
MYPI20055395A
Inventor
Adrian P Stephens
John S Sadowsky
Original Assignee
Apple Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/018,414 external-priority patent/US7474608B2/en
Application filed by Apple Inc filed Critical Apple Inc
Publication of MY142160A publication Critical patent/MY142160A/en

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

METHODS AND SYSTEMS FOR COMMUNICATING IN A WIRELESS NETWORK MAY DISTINGUISH DIFFERENT TYPES OF PACKET STRUCTURES BY MODIFYING THE PHASE OF A MODULATION CONSTELLATION, SUCH AS A BINARY PHASE SHIFT KEYING (BPSK) CONSTELLATION (210), IN A SIGNAL FIELD (114). RECEIVING DEVICES MAY IDENTIFY THE TYPE OF PACKET STRUCTURE ASSOCIATED WITH A TRANSMISSION OR WHETHER THE SIGNAL FIELD IS PRESENT BY THE PHASE OF THE MODULATION CONSTELLATION (210) USED FOR MAPPING FOR THE SIGNAL FIELD (114). IN ONE EMBODIMENT, THE PHASE OF THE MODULATION CONSTELLATION MAY BE DETERMINED BY EXAMINING THE ENERGY OF THE I AND Q COMPONENTS AFTER FAST FOURIER TRANSFORM. VARIOUS SPECIFIC EMBODIMENTS AND VARIATIONS ARE ALSO DISCLOSED. FIGURE 4
MYPI20055395A 2004-12-20 2005-11-17 Method for signaling information by modifying modulation constellations MY142160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/018,414 US7474608B2 (en) 2004-01-12 2004-12-20 Method for signaling information by modifying modulation constellations

Publications (1)

Publication Number Publication Date
MY142160A true MY142160A (en) 2010-10-15

Family

ID=47320717

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20055395A MY142160A (en) 2004-12-20 2005-11-17 Method for signaling information by modifying modulation constellations

Country Status (1)

Country Link
MY (1) MY142160A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9270429B2 (en) 2004-01-12 2016-02-23 Intel Corporation Method for signaling information by modifying modulation constellations

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9270429B2 (en) 2004-01-12 2016-02-23 Intel Corporation Method for signaling information by modifying modulation constellations
US9379863B2 (en) 2004-01-12 2016-06-28 Intel Corporation Method for signaling information by modifying modulation constellations
US9954716B2 (en) 2004-01-12 2018-04-24 Intel Corporation Method for signaling information by modifying modulation constellations
US10177956B2 (en) 2004-01-12 2019-01-08 Intel Corporation Method for signaling information by modifying modulation constellations

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