UA100749C2 - Normal;heading 1;METHOD AND APPARATUS FOR POWER CONTROL OF FIRST DATA TRANSMISSION IN RANDOM ACCESS PROCEDURE OF FDMA COMMUNICATION SYSTEM - Google Patents

Normal;heading 1;METHOD AND APPARATUS FOR POWER CONTROL OF FIRST DATA TRANSMISSION IN RANDOM ACCESS PROCEDURE OF FDMA COMMUNICATION SYSTEM

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Publication number
UA100749C2
UA100749C2 UAA201100710A UAA201100710A UA100749C2 UA 100749 C2 UA100749 C2 UA 100749C2 UA A201100710 A UAA201100710 A UA A201100710A UA A201100710 A UAA201100710 A UA A201100710A UA 100749 C2 UA100749 C2 UA 100749C2
Authority
UA
Ukraine
Prior art keywords
power
random access
preambles
prach
data transmission
Prior art date
Application number
UAA201100710A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Ваньши Чень
Хуан МОНТОХО
Арно МЕЙЛАН
Original Assignee
Квелкомм Инкорпорейтед
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 Квелкомм Инкорпорейтед filed Critical Квелкомм Инкорпорейтед
Priority claimed from PCT/US2009/048320 external-priority patent/WO2010008859A1/en
Publication of UA100749C2 publication Critical patent/UA100749C2/en

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  • Mobile Radio Communication Systems (AREA)

Abstract

Transmit power is controlled for a first uplink data transmission on Physical Uplink Shared Channel (PUSCH) during random access channel (RACH) procedure. Power control adjustment for the first PUSCH transmission is performed relative to the power spectral density used for successful PRACH transmission as adjusted for bandwidth difference, etc. The uplink Physical random access channel carries the RACH information that is transmitted by the user equipment (UE) during registrations or base station originated calls. A PRACH is composed of a number of preambles and a message portion. The preambles are a series of radio frequency power "steps" that increase in power according to the power step setting until the maximum number of preambles is reached or the base station acknowledges. Once the UE receives a positive indication, it transmits the message portion of the PRACH which consists of message data and control data with independent power gain control.
UAA201100710A 2008-06-24 2009-06-23 Normal;heading 1;METHOD AND APPARATUS FOR POWER CONTROL OF FIRST DATA TRANSMISSION IN RANDOM ACCESS PROCEDURE OF FDMA COMMUNICATION SYSTEM UA100749C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7526108P 2008-06-24 2008-06-24
PCT/US2009/048320 WO2010008859A1 (en) 2008-06-24 2009-06-23 Method and apparatus for power control of first data transmission in random access procedure of fdma communication system

Publications (1)

Publication Number Publication Date
UA100749C2 true UA100749C2 (en) 2013-01-25

Family

ID=51584497

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201100710A UA100749C2 (en) 2008-06-24 2009-06-23 Normal;heading 1;METHOD AND APPARATUS FOR POWER CONTROL OF FIRST DATA TRANSMISSION IN RANDOM ACCESS PROCEDURE OF FDMA COMMUNICATION SYSTEM

Country Status (1)

Country Link
UA (1) UA100749C2 (en)

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