TW200711360A - Method and apparatus for pilot signal transmission - Google Patents

Method and apparatus for pilot signal transmission

Info

Publication number
TW200711360A
TW200711360A TW095126071A TW95126071A TW200711360A TW 200711360 A TW200711360 A TW 200711360A TW 095126071 A TW095126071 A TW 095126071A TW 95126071 A TW95126071 A TW 95126071A TW 200711360 A TW200711360 A TW 200711360A
Authority
TW
Taiwan
Prior art keywords
antennas
group
pilot
signal transmission
pilot signal
Prior art date
Application number
TW095126071A
Other languages
Chinese (zh)
Other versions
TWI423607B (en
Inventor
Timothy A Thomas
Kevin L Baum
Brian K Classon
Vijay Nangia
Original Assignee
Motorola 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
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of TW200711360A publication Critical patent/TW200711360A/en
Application granted granted Critical
Publication of TWI423607B publication Critical patent/TWI423607B/en

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Landscapes

  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A pilot transmission scheme is presented where during a first OFDM symbol period a first pilot sequence is transmitted over multiple sub-carriers on a first group of antennas. During a second OFDM symbol period, a second pilot sequence is transmitted over the multiple sub-carriers on a second group of antennas. The first group of antennas does not transmit pilot sequences when the second group of antennas is transmitting pilot sequences. Additionally, the second group of antennas does not transmit pilot sequences when the first group of antennas is transmitting pilot sequences.
TW95126071A 2005-08-15 2006-07-17 Method and apparatus for pilot signal transmission TWI423607B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70823405P 2005-08-15 2005-08-15

Publications (2)

Publication Number Publication Date
TW200711360A true TW200711360A (en) 2007-03-16
TWI423607B TWI423607B (en) 2014-01-11

Family

ID=50348568

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95126071A TWI423607B (en) 2005-08-15 2006-07-17 Method and apparatus for pilot signal transmission

Country Status (1)

Country Link
TW (1) TWI423607B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100507519B1 (en) * 2002-12-13 2005-08-17 한국전자통신연구원 Method and Apparatus for Signal Constitution for Downlink of OFDMA Based Cellular Systems

Also Published As

Publication number Publication date
TWI423607B (en) 2014-01-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees