The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 2022
Filed:
Dec. 16, 2019
Huawei Technologies Co., Ltd., Guangdong, CN;
Chaobin Yang, Shanghai, CN;
Yong Wang, Shanghai, CN;
Quanzhong Gao, Shanghai, CN;
Wei Chen, Shanghai, CN;
Liwen Zhang, Shanghai, CN;
Xiaojun Zheng, Shanghai, CN;
Bin Xiong, Shanghai, CN;
Shuai Chen, Shanghai, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by a terminal, a system message via a downlink carrier, where the system message includes information used to indicate a frequency channel number of a second uplink carrier; and initiating, by the terminal, random access via the second uplink carrier, where a frequency channel number of the downlink carrier belongs to a first frequency band, and a frequency channel number of the second uplink carrier belongs to a second frequency band.