日前 ,中兴通讯在WCDMA和PHS网络之间的呼叫切换研究取得了重大进展 ,并就此向国家专利局申请了多项专利。该技术使未来运营商在建设 3G网络时充分利用现有网络资源成为可能。WCDMA作为 3G的主流标准之一 ,预期将在国内得到广泛的市场应用。同时PHS系统也已成为全国性的大网络 Recently, ZTE made great progress in the research of call switching between WCDMA and PHS networks and applied for a number of patents to the State Patent Office. This technology makes it possible for future operators to make full use of existing network resources when building 3G networks. WCDMA as one of the mainstream 3G standards is expected to be widely used in the domestic market. At the same PHS system has also become a national large network