Wavelength division multiplexing method and system for 5G forward transmission
A wavelength division multiplexing and 5G technology, applied in the field of 5G communication, can solve problems such as theft of key information, insufficient encryption measures, and user loss, and achieve the effects of flexible wavelength adjustment, avoiding interception and cracking, and ensuring transmission security
Pending Publication Date: 2022-03-08
深圳盘古通信有限公司
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Problems solved by technology
However, the encryption measures of wavelength division multiplexing in 5G fronthaul are often insufficient, resulting in the fronthaul signal being intercepted and easily cracked, thereby stealing key information and causing user losses
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[0070] The present invention discloses a wavelength division multiplexing method and system for 5G fronthaul. Those skilled in the art can learn from the content of this article and appropriately improve the technical details to realize it. In particular, it should be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention. The method and application of the present invention have been described through preferred embodiments, and the relevant personnel can obviously make changes or appropriate changes and combinations to the method and application described herein without departing from the content, spirit and scope of the present invention to realize and Apply the technology of the present invention.
[0071] The applicant's research found that: the existing 5G fronthaul uses wavelength division multiplexing technology that can greatly improve the transmission effic...
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The invention discloses a wavelength division multiplexing method and system for 5G forward transmission, and the method comprises the steps: a coding end receives each original electric signal transmitted by each active antenna unit in a first time period, and converts each original electric signal into an initial optical signal one by one; the coding end performs wavelength conversion on each initial optical signal to which the first time period belongs according to a preset coding rule to obtain a first wavelength conversion group; wherein in different time periods, the wavelengths of the first wavelength conversion signals obtained after the same active antenna unit performs wavelength conversion according to a preset coding rule are not equal; the coding end sends the first wavelength conversion group to a decoding end; and the decoding end decodes each first wavelength conversion signal in the first wavelength conversion group into each corresponding initial optical signal according to a preset decoding rule corresponding to the preset coding rule. According to the invention, the optical signal in 5G forward transmission is encrypted, so that the information cannot be easily cracked, and the information transmission is safer.
Description
technical field [0001] The present invention relates to the field of 5G communication, in particular to a wavelength division multiplexing method and system for 5G fronthaul. Background technique [0002] With the increasing demand for communication and multimedia services, mobile communication technology is developing rapidly. The fifth-generation communication technology (5G) is currently the hottest topic of information and communication technology. It is the driving platform for the future digital world and the infrastructure for the new world of Internet of Everything. The 5G network introduces massive connections with large bandwidth and low latency, improves the RAN (Radio Access Network), and evolves from the BBU (Baseband Unit, baseband unit) and RRU two-level structure of the 4G / LTE network to the CU (Centralized Unit, Centralized unit), DU (Distribute Unit, distributed unit), and AAU (ActiveAntennaUnit, active antenna processing unit) three-level structure. Spec...
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IPC IPC(8): H04J14/02H04B10/516H04B10/60
CPCH04J14/0227H04B10/516H04B10/60
Inventor 林超杰
Owner 深圳盘古通信有限公司