Carrier selecting method and device and access point

A carrier selection, access point technology, applied in access restriction, transmission path separation device, transmission path sub-channel allocation, etc., can solve the problem of unable to provide the existence of adjacent access points, unable to explain user equipment, unable to identify LAA Access points and other issues to achieve the effect of expanding the scope of use, improving access capacity, and high reliability

Active Publication Date: 2016-06-01
ZTE CORP
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] At present, for carrier selection (also called channel selection) on unlicensed spectrum, LAA access points have no other means except energy detection and carrier sensing, and LAA access points cannot identify other LAA access points
Therefore, the existing technology cannot provide the existence of adjacent access points, including the existence of adjacent LAA access points and WiFi access points, and cannot explain whether it is applicable to user equipment (UE, UserEquipment)

Method used

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  • Carrier selecting method and device and access point
  • Carrier selecting method and device and access point
  • Carrier selecting method and device and access point

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Embodiment Construction

[0072] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail by citing the following embodiments and referring to the accompanying drawings.

[0073] In the embodiment of the present invention, the LAA access point performs long-term energy detection and carrier sensing on the unlicensed carriers in the set SetA. Wherein, the set SetA is all unlicensed carriers supported by the LAA access point capability level.

[0074] According to the energy detection and carrier sensing results, the LAA access point selects several cleanest unlicensed carriers from SetA as set SetB. In the embodiment of the present invention, the so-called clean carrier refers to that the unlicensed carrier is not occupied, or the occupied sub-carriers in the carrier are lower than the set threshold. Alternatively, it refers to an unlicensed carrier whose carrier load is below a set threshold. That is, tr...

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PUM

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Abstract

The embodiment of the present invention discloses a carrier selecting method and device and an access point. The method comprises the steps of using the access point to select the unauthorized carriers according with a first condition from the unauthorized carriers as a first carrier set; sending a discovery signal on the all unauthorized carriers in the first carrier set; using the access point to receive the measurement results of user equipment to the all unauthorized carriers in the first carrier set, and based on the measurement results, selecting the unauthorized carriers according with a second condition from the unauthorized carriers as the carrier resources of the access point.

Description

technical field [0001] The present invention relates to an unlicensed carrier selection technology, in particular to a carrier selection method and device, and an access point. Background technique [0002] LTE uses unlicensed carriers (LTE-U, LongTermEvolution–Unlicensed) refers to the deployment of LTE in unlicensed carriers to meet the growing capacity requirements of the LTE system and improve the efficiency of unlicensed spectrum use. It is an important aspect of LTE and future wireless communications A possible important direction of evolution. When designing LTE-U, it is necessary to consider how to conduct data transmission with different systems such as WiFi, Wireless Fidelity, radar, and LTE-U with a fair and friendly competitive unlicensed carrier. Influence and preserve LTE technical characteristics. The LTE-U system may also be called an LTE Licensed Carrier Assisted Access (LAA, LTE Licensed Assisted Access) system. [0003] For multiple unlicensed carrier s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/001H04L5/0048H04L27/0006H04W72/54H04W48/16H04W48/18H04W72/0453H04W74/0808
Inventor 徐汉青赵亚军莫林梅
Owner ZTE CORP
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