System information notification method, system and device

A system information and system information block technology, applied in the fields of systems and devices, and system information notification methods, can solve the problems of whether the system information changes, UE power consumption waste, inability to distinguish LTE systems, etc., to achieve the effect of reducing power consumption

Active Publication Date: 2010-10-27
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0011] The purpose of the present invention is to at least solve one of the above-mentioned technical defects, especially to solve the defect that UE power consumption is wasted due to repeated re-reading of system information due to LTE UE being unable to distinguish whether the system information of the LTE system has changed

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  • System information notification method, system and device
  • System information notification method, system and device
  • System information notification method, system and device

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Embodiment Construction

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0022] The present invention mainly lies in setting two system information change flags, a first system information change flag and a second system information change flag, which are respectively related to the system information change situation in the LTE system and the newly introduced system information change situation in the LTE-A system. Correspondingly, the newly introduced system information described here includes but not limited to relevant parameters of enhanced technologies in the LTE-A system, or other newly introduced syste...

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Abstract

The invention discloses a system information notification method, a system and a device. The method comprises the following steps: UE receiving system information broadcasted by a base station, wherein the system information at least comprises two system information change marks, i.e. a first system information change mark and a second system information change mark, the first system information change mark is used for indicating system information change situation in a first system and the second system information change mark is used for indicating newly introduced system information change situation in a second system; and the UE updating the system information according to the capacity of the UE and the first system information change mark and / or the second system information change mark. Through extending the system information change marks, the LTE UE (the UE of the first system) and the LTE-A UE (the UE of the second system) are ensured to correctly judge whether the system information is required to be re-read or not and thereby the power consumption of the UE can be reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a system information notification method, system and device. Background technique [0002] In the long-term evolution broadband mobile communication system, such as LTE-Advanced or IMT-Advanced system, a series of enhanced technologies are introduced, such as relay node (RN, Relay Node), coordinated multiple point transmission (COMP, Coordinated Multiple Point transmission and reception) and carrier aggregation (CA, Carrier Aggregation), etc. Therefore, the system information of evolved systems such as LTE-A should also include the information of these enhanced technologies introduced. However, the system information content of the current LTE (Long Term Evolution) system is not enough to support these new features of evolved systems such as LTE-A, such as For the carrier aggregation feature in LTE-A, multiple carriers form an LTE-A cell. However, the current LTE...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/10H04W48/16H04W52/02
CPCY02B60/50Y02D30/70
Inventor 鲍炜房家奕高卓
Owner DATANG MOBILE COMM EQUIP CO LTD
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