| In most fast-growing cities in China, more and more tall buildings in new communities in such a high density have caused many difficulties on deploying radio coverage by utilizing outdoor BTS sources. Furthermore, the fact that BTS equipment can not be deployed inside the communities or limited coverage area makes it necessary to have a total solution for community coverage. Depth coverage of the new district has become the industry's focus and difficult problems, is still not a complete, very good solution.In this paper, the PHS technology area covered in-depth study on the area coverage and attention to the need to resolve key technical issues for analysis, study, creatively put forward new area for PHS system depth coverage of the complete solution to the depth of coverage in the area of focus And difficulties in the solution to the problem.Based on the research of key technologies, the first comprehensive, systematic way to the PHS area covered by the relevant theories and solutions through the typical case of the test of practice and the common will of the problem of combining theory with practice. The depth of coverage area is workable solution, a good solution to the new district covers the depth of the problem, greatly enhance the communication of the PHS network quality and coverage levels, improve the business PHS's comprehensive competitiveness, with good economic returns And social benefits.PHS technology in the system does not belong to cellular mobile communication system, difficult transition to cellular mobile communications. PHS is an economical and practical at this stage of the optional access technology, is a transitional type of network technology, is an extension of fixed telephone and added. Will be a long time with the existing cellular mobile communication system and the future coexistence of 3 G, to provide users with differentiated services. |
