Page 45 - Market Analysis Report of Optical Communications Field in China & Global market 2020
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Table 2: The performance of typical G.657.A1          fields with a plan of creating a comprehensive information
                                                                 ecosystem based on clients' demands, and will finally
                                                                 achieve the noble goal "Get information whenever you
                                                                 want, and all things on earth are at your fingertips," it is
                                                                 developed for clients' demand, and will serve the clients
                                                                 forever. Fiberhome has always been focusing on the field
                                                                 of optical network transmission, taking the lead in the
                                                                 development of G.654.E, bending insensitive thin optical
                                                                 fiber, and other novel products. Those products have
                                                                 been successfully applied to projects in many countries
                                                                 and regions to escort the construction of 5G networks.
         Compared to the standard diameter optical fiber, the G.657.  Fiberhome is willing to cooperate with other industries and
         A1 fiber with an outer diameter of 180μm-200μm shows    professionals to make progress of 5G with accelerating
         a reduction of the cross-sectional area of more than 40%.   speed and create a splendid future together.
         This design, with higher density and lightweight based on
         its advantages of the effectively improved utilization rate   References
         of pipelines and supreme efficiency of carrier network   [1]  Tomoaki Gonohe, Shusaku Matsumoto, Hidenobu Takaishi,
         construction, will be able to provide the optimum solution          Ryuichi Sugizaki and Shigehiro Takasaka, "Transmission
         for the development of 5G optical fiber network base           Performance of 600- Gbps per Wavelength Signals over
         stations program.                                              Installed Slotted-core Cable using G.654.E Optical Fibers"
                                                                        IWCS 2019 9-1
         In the future, 5G technology will be applied in various


          continuing from page 47

           Fig 3                                                 only take one reel to the site for air blowing every day.
                                                                 Meanwhile, the pipelines managed by the two air blowing
                                                                 teams under XX Telecom Bureau are of better quality. They
                                                                 took two reels to the site for air blowing in the past few
                                                                 days. The attached figure shows the relationship between
                                                                 the air blowing speed and length at the site.


                                                                  Fig4. Analysis of Jetting Performance












         (assigned by the local company as arranged by Beijing
         Chenggong Communication Engineering Supervision Co.,    4. Conclusions
         Ltd.), 2 air blowing technicians, and 5 or 6 constructors   For air blowing construction of Fujian primary trunk G654.
         (1 director + 4 or 5 local employees). After cable reels are   E by China Telecom, the Design Institute, considering the
         installed to position, the air blowing work for one real of   tremendous cores and heavy weight of cables used this
         3 km cables can be done within 2 hours if pipes holding   time, decides to use the nylon shield to reduce the friction
         air blowing cables are in normal conditions. However, the   coefficient when contacting the pipeline. In addition, the
         local Highway Administration requires the construction   construction lasts from July to September when the local
         team to apply for the construction route one day earlier. For   climate features a high temperature and humidity. We
         safety concerns, the Highway Administration arranges their   suggest the onsite construction teams properly choose the
         own construction team to place the 4 km long isolation   construction time. Also, condensers shall be added to air
         strip and marking cones.                                blowing devices to cool them down and ensure that they
                                                                 can work continuously without degrading in effect due to
         After  air  blowing  for  nearly  one  month,  the  three   the extra-high temperature at the nose. Currently, through
         construction teams of XX Bureau have got familiar with   the air blowing work in the past few months, all our cables
         the pipeline conditions along the expressway. These     provided to the Fujian section have successfully gone
         pipelines are of poor quality and blow out frequently, thus   through air blowing and are undergoing the follow-up
         delaying the construction progress. Our construction teams   welding tests.

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