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Communication methods and devices used for heterogeneous network

A communication system and reference signal technology, applied in the field of heterogeneous networks, can solve problems such as frequent switching of small cells

Active Publication Date: 2017-05-24
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in dense networks, there are two serious problems
One problem is that terminals (e.g. user equipment) may have to face more severe interference, another problem is that more frequent handovers may occur between small cells

Method used

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  • Communication methods and devices used for heterogeneous network
  • Communication methods and devices used for heterogeneous network
  • Communication methods and devices used for heterogeneous network

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Embodiment Construction

[0045] In the following description, numerous details are set forth for purposes of explanation. However, one of ordinary skill in the art will recognize that embodiments of the disclosure may be practiced without the use of these specific details. Thus, the present disclosure is not intended to be limited to the embodiments shown but is to be accorded the widest scope consistent with the principles and features described herein.

[0046] It should be understood that the terms "first", "second", etc. are only used to distinguish one element from another element. In fact, the first element can also be called the second element, and vice versa. In addition, it should also be understood that "comprising", "comprising" is only used to describe the existence of stated features, elements, functions or components, but does not exclude the existence of one or more other features, elements, functions or components.

[0047] For ease of explanation, embodiments of the present disclosu...

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Abstract

The invention provides communication methods and devices used for a heterogeneous network. The heterogeneous network comprises a first node, transmission points in the coverage range of the first node and devices in the first node; and each transmission point includes a unique physical identifier. The method in the first node comprises that a first group of transmission points is selected from the transmission points for the first device of the multiple devices to form a first virtual cell, and the first virtual cell serves the first device; a common identifier of the first virtual cell is assigned to the group of transmission points; and a main transmission point of the first virtual cell is selected from the group of transmission points, and used to schedule transmission of the first device in the first virtual cell. The identifier of the first virtual cell is associated with the first device, and is especially used for transmission of the first device. The invention also provides methods in the transmission point and the first device as well as corresponding devices.

Description

technical field [0001] Embodiments of the present disclosure relate to mobile communication systems, and more particularly to heterogeneous networks with dense deployments. Background technique [0002] The traffic demands of mobile networks are expected to grow substantially in the following years, both in terms of total traffic demands and bit rate demands of individual users. To meet this requirement, one possible solution is to deploy an extremely dense network, which may be called an ultra-dense network (UDN). [0003] However, in dense networks, there are two serious problems. One problem is that terminals (eg user equipment) may have to face more severe interference, another problem is that more frequent handovers between small cells may occur. [0004] Therefore, for the scenario of ultra-dense network deployment, it is necessary to design an appropriate communication mechanism to reduce interference and / or solve handover problems. Contents of the invention [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02
CPCH04W24/02
Inventor 佘锋郭海友
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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