The State Grid Corporation of Mainland China is accelerating the deployment of smart grid communication networks based on fiber optic construction in order to provide more diverse communication application services, and the next-generation PON network, XGPON, carries a higher office-to-user split ratio and more The long coverage distance is expected to become the main PON specification adopted by the State Grid Corporation, and the market prospect of XGPON is promising.
Christopher Moezzi, Vice President and General Manager of Broadband Telecommunications Access Division of Broadcom ’s Broadband Communications Business Group, said that mainland China is the region with the largest PON deployment in the world and the country with the highest growth rate in the global PON market, followed by Russia and Brazil , Middle East and Africa and Southeast Asia. Therefore, benefiting from the large-scale deployment of optical fiber to the mainland in mainland China, the market share of GPON in the optical fiber broadband access network is expected to continue to expand in the future.
In addition, the split ratio and signal transmission distance of the XGPON solution are greatly improved compared to the previous generation GPON, which can save the power consumption and hardware space of the central office equipment for telecom operators or the State Grid Corporation of China, so it is expected to be favored. It is understood that chipmakers / equipment vendors such as Broadcom, Alcatel-Lucent, ITRI, ZTE, Huawei, Fiberhome, and PMC Sierra have all begun to develop XGPON solutions and are expected to enter mass production by the end of 2013.
Moezzi pointed out that Broadcom's upcoming XGPON chip has the advantages of high efficiency, high density, low power consumption and cost efficiency, and provides telecommunications-grade software and reference solutions, which helps accelerate the correlation between telecommunications providers or the State Grid Corporation of China. Application service launch schedule.
On the other hand, Broadcom ’s new XGPON solution uses more advanced process node technology than older GPON products, and provides higher-integration chips by increasing interface density and chip performance and reducing price, power consumption, and pins. Strengthen the company's competitiveness in the market.
It is worth noting that Julie Kunstler, chief analyst of the Ovum Optical Components Research Group, mentioned that the ultimate goal of the smart grid based on optical fiber construction is to support advanced communication services, which will create market opportunities of 1.5 to 2 billion US dollars per year for the PON-related supply chain; Existing PON communication equipment factories have developed products that meet the needs of smart grid and three-in-one communication services.
PON introduction:
PON (Passive OpTIcal Network: passive optical network). PON (passive optical network) refers to (optical distribution network) does not contain any electronic devices and electronic power supply, ODN is composed of passive devices such as optical splitter (Splitter), does not require expensive active electronic equipment. A passive optical network includes an optical line terminal (OLT) installed at the central control station, and a batch of supporting optical network units (ONUs) installed at the user site. The optical distribution network (ODN) between the OLT and ONU contains optical fibers and passive splitters or couplers.
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