File:Lte-ue-rrc-states.png - Revision history

Buherman at 10:01, 29 August 2013

2013-08-29T10:01:07Z

← Older revision		Revision as of 10:01, 29 August 2013
Line 1:		Line 1:
	The changes of UE RRC state model for LTE module in relation to the GSoC 2013 project.The first figure is the state model before the project begins, while the second figure is the state model after the "standard" cut point.One of the reviews received by the project is to expand the states related to cell selection. The expansion aims to distinguish the status of each System Information message (i.e. MIB, SIB1, and SIB2) and the network attachment method used (i.e. manual or automatic). This expansion may provide better debugging capability compared to the previous state machine. The expanded state model is depicted in the third figure.The last figure is another expansion ~~proposed for the later part of the state model~~. ~~The expansion~~ is the objective of the development of realistic handover, which is one of the future deliverables of the project. It includes Random Access failure, handover failure, RRC Connection Re-establishment (RRD CONN RE-EST in the figure) and Radio Link Failure (RLF).		The changes of UE RRC state model for LTE module in relation to the GSoC 2013 project.

			The first figure is the state model before the project begins, while the second figure is the state model after the "standard" cut point.

			One of the reviews received by the project is to expand the states related to cell selection. The expansion aims to distinguish the status of each System Information message (i.e. MIB, SIB1, and SIB2) and the network attachment method used (i.e. manual or automatic). This expansion may provide better debugging capability compared to the previous state machine. The expanded state model is depicted in the third figure.

			The last figure is another proposed expansion. It is the objective of the development of realistic handover, which is one of the future deliverables of the project. It includes Random Access failure, handover failure, RRC Connection Re-establishment (RRD CONN RE-EST in the figure) and Radio Link Failure (RLF).

Buherman: Updated description

2013-08-29T09:59:31Z

Updated description

← Older revision		Revision as of 09:59, 29 August 2013
Line 1:		Line 1:
	~~A proposed update to~~ UE RRC state ~~machine~~ for LTE module ~~during~~ GSoC 2013.		The changes of UE RRC state model for LTE module in relation to the GSoC 2013 project.The first figure is the state model before the project begins, while the second figure is the state model after the "standard" cut point.One of the reviews received by the project is to expand the states related to cell selection. The expansion aims to distinguish the status of each System Information message (i.e. MIB, SIB1, and SIB2) and the network attachment method used (i.e. manual or automatic). This expansion may provide better debugging capability compared to the previous state machine. The expanded state model is depicted in the third figure.The last figure is another expansion proposed for the later part of the state model. The expansion is the objective of the development of realistic handover, which is one of the future deliverables of the project. It includes Random Access failure, handover failure, RRC Connection Re-establishment (RRD CONN RE-EST in the figure) and Radio Link Failure (RLF).

	~~In comparison with~~ the ~~previous~~ state ~~machine~~, the ~~new one has a clear separation between manual attachment and automatic attachment (i~~.~~e. Idle mode initial~~ cell selection).

	~~Moreover,~~ the ~~previous IDLE_WAIT_SYSTEM_INFO state is expanded to more than one states,~~ each ~~associated with the actual~~ System Information ~~that the UE is waiting for~~ (e.g. MIB, SIB1, and SIB2). This expansion may provide better debugging capability compared to the previous state machine.

Buherman: Buherman uploaded a new version of "File:Lte-ue-rrc-states.png": These 4 figures illustrate the changes of UE RRC state model for LTE module in relation to the GSoC 2013 project. The first figure is the state model before the project begins

2013-08-29T09:56:39Z

Buherman uploaded a new version of "File:Lte-ue-rrc-states.png": These 4 figures illustrate the changes of UE RRC state model for LTE module in relation to the GSoC 2013 project. The first figure is the state model before the project begins

← Older revision	Revision as of 09:56, 29 August 2013
(No difference)

Buherman: Added description of the motivation behind the new state machine

2013-08-09T12:41:19Z

Added description of the motivation behind the new state machine

← Older revision		Revision as of 12:41, 9 August 2013
Line 1:		Line 1:
	A proposed update to UE RRC state machine for LTE module during GSoC 2013.		A proposed update to UE RRC state machine for LTE module during GSoC 2013.

			In comparison with the previous state machine, the new one has a clear separation between manual attachment and automatic attachment (i.e. Idle mode initial cell selection).

			Moreover, the previous IDLE_WAIT_SYSTEM_INFO state is expanded to more than one states, each associated with the actual System Information that the UE is waiting for (e.g. MIB, SIB1, and SIB2). This expansion may provide better debugging capability compared to the previous state machine.

Buherman: A proposed update to UE RRC state machine for LTE module during GSoC 2013.

2013-08-09T12:35:28Z

A proposed update to UE RRC state machine for LTE module during GSoC 2013.

New page

A proposed update to UE RRC state machine for LTE module during GSoC 2013.