A method for reporting power headroom and a macro base station

A technology of power headroom and power headroom information, applied in the field of macro base stations, can solve the problem of how to report the details of extended PHRMACCE without discussion

Inactive Publication Date: 2019-03-15
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] At present, dual connectivity uses a PHR MAC CE format to report the PH information of all activated cells, but how to report the details of the extended PHR MAC CE has not been discussed yet.

Method used

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  • A method for reporting power headroom and a macro base station
  • A method for reporting power headroom and a macro base station
  • A method for reporting power headroom and a macro base station

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Embodiment Construction

[0065] The specific embodiments of the invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0066] Figure 5 It shows a schematic diagram of a method for reporting a power headroom provided by this embodiment, as shown in Figure 5 As shown, the method includes the following steps:

[0067] 101. In a dual connectivity network, the UE sends a first message to the macro base station and / or the micro base station, and the macro base station and / or the micro base station receives the first message sent by the UE. When the index value of the cell is used, the first message includes: the maximum transmission power value (P CMAX，C ), the difference between the maximum transmission power value of the UE on each activated serving cell and the physical uplink shared channe...

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Abstract

The invention discloses a power headroom report method and a macro base station. The method comprises that the macro base station and / or a micro base station receives a first message from UE in the dual-connection network, and when the index value of a main cell of the micro base station is not limited, the first message comprises the maximal transmission power value of the UE in each activated service cell, the first power headroom of the UE in each activated service cell and the second power headroom of the UE in the main cells of the macro and micro base stations; and according to the first message, the macro and micro base station adjusts the maximal amount of uplink transmission resources distributed to the UE. According to the method, the power headroom and the maximal transmission power of each activated service cell can be obtained from the first message reported by the same UE, the problem of data reception error is solved, and resource scheduling is effectively ensured.

Description

technical field [0001] The present invention relates to the communication field, in particular to a power headroom reporting method and a macro base station. Background technique [0002] Dual-connection network is a research hotspot in current wireless communication technology. The network architecture is as follows: figure 1 shown. Dual connectivity technology is introduced for scenarios where macro cells and small cells overlap and use the same or different frequencies, or only small cells are covered and the backhaul link between cells is not ideal. Dual connectivity means that the user is provided with wireless resources by multiple network nodes with unsatisfactory backhaul links. That is, the user is connected to the macro base station (MeNB for short) and the micro base station (SeNB for short) through the air interface at the same time, which means that the MeNB and the SeNB can provide services for the user at the same time. Since the user equipment (Unified Equ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/36H04W72/04
Inventor 高兴航陈喆
Owner POTEVIO INFORMATION TECH CO LTD
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