Determining random access transmit power based on preamble parameters and transmission attempt number

Abstract

A first communication device (10) and method for calculating a random access transmission power to be used in the first communication device in a Long Term Evolution communications network is disclosed. The method includes the first communication device receiving data from a second communication device on a radio channel indicating a random access reception power level. A desired random access reception power level of the second communication device is determined based on the received data and a parameter of random access configuration that influences a detection performance of the random access at the second communication device which parameter comprises a preamble format and/or a basic cyclic shift value of a preamble. The random access transmission power to be used is calculated based on the desired random access reception power level and a power ramping increasing the random access transmission power based on a transmission attempt number and also taking into account power path loss between the first communication device and the second communication device.

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Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Illustrative part: 5.1.1 , 5.1.3 Release: 9 + -	No	Family Member
5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Illustrative part: ---- Release: 15 + -	No	Family Member

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
WO2009088338A1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	Yes	Basis Patent
WO2009088338A1	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
AU2008345735A1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
AU2008345735A1	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
AU2008345735B2	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
AU2008345735B2	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
CA2711607A1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
CA2711607A1	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
CA2711607C	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
CA2711607C	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
CN101911794A	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
CN101911794A	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
CN101911794B	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
CN101911794B	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
EP2229798A1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 321 v9.1.0 Version No: v9.1.0 Section No: ---- Release : 9 + -	No	Family Member
EP2229798A1	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
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EP2229798B1	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
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MX2010006095A	5G	18/05/2017	ISLD-201704-020	ERICSSON INC	S1 TS Number: TS 138 321 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Resource configuration

Random access

Power Control

Product

User Equipment (UE/Terminal)

Use Cases

Wireless communication

Services

Network access

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