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Electronic device in wireless communication system and wireless communication method

A technology of wireless communication system and electronic equipment, which is applied in the field of wireless communication, can solve the problem that there is no feasible solution for the random access process of unlicensed frequency bands, and achieve the effect of improving efficiency and reducing delay

Inactive Publication Date: 2019-01-15
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current discussion of 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project), no feasible scheme has been proposed for the random access process on the unlicensed frequency band

Method used

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  • Electronic device in wireless communication system and wireless communication method
  • Electronic device in wireless communication system and wireless communication method
  • Electronic device in wireless communication system and wireless communication method

Examples

Experimental program
Comparison scheme
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no. 2 example

[0044] 4. The third embodiment

no. 6 example

[0048] 8. Application examples.

[0049]

[0050]FIG. 1( a ) is a schematic diagram illustrating an application scenario of the present disclosure. As shown in FIG. 1( a ), there are one or more secondary cells within the coverage of the primary cell, and UEs (User Equipment, user equipment) exist within the coverage of the secondary cells. Both the base station of the primary cell and the base station of the secondary cell can provide services for the UE. In this scenario, the UE can use the licensed frequency band to communicate with the base station of the primary cell, and can use the unlicensed frequency band to communicate with the base station of the secondary cell. In such a scenario, the UE may need to randomly access the base station of the secondary cell.

[0051] Fig. 1(b) is a schematic diagram illustrating another application scenario of the present disclosure. As shown in FIG. 1( b ), there are UEs within the coverage of the base station, and the base stati...

no. 3 example

[0143] In this embodiment, an electronic device 1200 according to an embodiment of the present disclosure will be described in detail. The electronic device 1200 here may be a network-side device in a wireless communication system, such as a base station shown in FIG. 1( b ). Further, the wireless communication system where the electronic device 1200 is located may be an NR communication system.

[0144] Figure 12 is a block diagram showing an example of the configuration of the electronic device 1200 according to the embodiment of the present disclosure.

[0145] like Figure 12 As shown, the electronic device 1200 may include a processing circuit 1210 and a transceiver circuit 1220 . It should be noted that the electronic device 1200 may include one processing circuit 1210 or multiple processing circuits 1210 .

[0146] Further, the processing circuit 1210 may include various discrete functional units to perform various functions and / or operations. It should be noted t...

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Abstract

The present disclosure relates to an electronic device in a wireless communication system and a wireless communication method. The electronic device in the wireless communication system according to the present disclosure includes a processing circuit configured to perform a channel detection process in one or more beam directions of an unauthorized spectrum; and a transceiver circuit configured to transmit a random access preamble sequence in one or more idle beam directions of the channel detection. The electronic device and the wireless communication method according to the present disclosure can achieve a random access procedure on the unauthorized frequency band, improve efficiency of channel detection, and reduce the delay caused by the channel detection process.

Description

technical field [0001] Embodiments of the present disclosure generally relate to the field of wireless communication, and specifically relate to an electronic device and a wireless communication method in a wireless communication system. More specifically, the present disclosure relates to an electronic device as a network-side device in a wireless communication system, an electronic device as a terminal device in a wireless communication system, a wireless A communication method and a wireless communication method performed by a terminal device in a wireless communication system. Background technique [0002] With the development and evolution of wireless networks, more and more services are carried by them, so additional spectrum resources are required to support massive data transmission. On the basis of using the existing LTE (Long Term Evolution, Long Term Evolution) network, cellular wireless network operators have begun to explore how to use unlicensed frequency band...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08H04W72/54
CPCH04W74/0808H04W74/0833H04W74/004H04B7/0617H04B7/0408H04B7/0695H04W16/14H04W16/28
Inventor 崔焘
Owner SONY CORP
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