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    • 1. 发明授权
    • Radiocommunication system
    • 无线电通信系统
    • US5661723A
    • 1997-08-26
    • US584282
    • 1996-01-11
    • Motoharu UenoYoshinari KumakiKatsuya NoninEiji KamagataShigeo Matsuzawa
    • Motoharu UenoYoshinari KumakiKatsuya NoninEiji KamagataShigeo Matsuzawa
    • H04J13/10H04J13/16H04L12/70H04Q11/04H04W16/32H04W28/00H04W74/08H04W84/12H04W88/08H04B7/204H04L12/56
    • H04W16/32H04L49/105H04L49/108H04Q11/0478H04J13/10H04J13/16H04L2012/5607H04L2012/563H04L2012/5638H04W88/08
    • An ATM-based radiocommunication system adapted for multimedia communication comprises a repeater for providing communication services over a predetermined service area, first radio terminals for communicating with the repeater by using ATM cells, and a second terminal for communicating with the repeater by using ATM cells and communicating with a backbone network. The repeater comprises spot beam transmission and reception antennas for providing radio channels within a predetermined service area by means of spot beams, a wide-area beam transmission and reception antenna for providing a radio channel within the predetermined service area by means of a wide-area beam, first transmitters/receivers connected to the spot beam transmission and reception antennas for transmitting and receiving ATM cells, a second transmitter/receiver connected to the wide-area beam transmission and reception antenna for transmitting and receiving ATM cells, and an ATM switching device having input terminals connected to receive ATM cells from the first and second receivers and output terminals connected to the first and second transmitters for directing incoming ATM cells to their respective proper output terminals.
    • 适用于多媒体通信的基于ATM的无线电通信系统包括用于在预定服务区域上提供通信服务的中继器,用于通过使用ATM信元与中继器通信的第一无线电终端,以及通过使用ATM信元与中继器进行通信的第二终端,以及 与骨干网进行通信。 中继器包括用于通过点波束在预定服务区内提供无线电信道的点波束发射和接收天线,用于通过广域范围在预定服务区内提供无线电信道的广域波束发射和接收天线 连接到用于发送和接收ATM信元的点波束发射和接收天线的第一发射机/接收机,连接到用于发送和接收ATM信元的广域波束发射和接收天线的第二发射机/接收机,以及ATM交换设备 具有连接以从第一和第二接收器接收ATM信元的输入端子和连接到第一和第二发送器的输出端子,用于将进入的ATM信元引导到它们各自的合适输出端子。
    • 2. 发明授权
    • Radiocommunication system
    • 无线电通信系统
    • US5553069A
    • 1996-09-03
    • US282747
    • 1994-07-29
    • Motoharu UenoYoshinari KumakiKatsuya NoninEiji KamagataShigeo Matsuzawa
    • Motoharu UenoYoshinari KumakiKatsuya NoninEiji KamagataShigeo Matsuzawa
    • H04J13/10H04J13/16H04L12/70H04Q11/04H04W16/32H04W28/00H04W74/08H04W84/12H04W88/08H04B7/204H04L12/56
    • H04W16/32H04L49/105H04L49/108H04Q11/0478H04J13/10H04J13/16H04L2012/5607H04L2012/563H04L2012/5638H04W88/08
    • An ATM-based radiocommunication system adapted for multimedia communication comprises a repeater for providing communication services over a predetermined service area, first radio terminals for communicating with the repeater by using ATM cells, and a second terminal for communicating with the repeater by using ATM cells and communicating with a backbone network. The repeater comprises spot beam transmission and reception antennas for providing radio channels within a predetermined service area by means of spot beams, a wide-area beam transmission and reception antenna for providing a radio channel within the predetermined service area by means of a wide-area beam, first transmitters/receivers connected to the spot beam transmission and reception antennas for transmitting and receiving ATM cells, a second transmitter/receiver connected to the wide-area beam transmission and reception antenna for transmitting and receiving ATM cells, and an ATM switching device having input terminals connected to receive ATM cells from the first and second receivers and output terminals connected to the first and second transmitters for directing incoming ATM cells to their respective proper output terminals.
    • 适用于多媒体通信的基于ATM的无线电通信系统包括用于在预定服务区域上提供通信服务的中继器,用于通过使用ATM信元与中继器通信的第一无线电终端,以及通过使用ATM信元与中继器进行通信的第二终端,以及 与骨干网进行通信。 中继器包括用于通过点波束在预定服务区内提供无线电信道的点波束发射和接收天线,用于通过广域范围在预定服务区内提供无线电信道的广域波束发射和接收天线 连接到用于发送和接收ATM信元的点波束发射和接收天线的第一发射机/接收机,连接到用于发送和接收ATM信元的广域波束发射和接收天线的第二发射机/接收机,以及ATM交换设备 具有连接以从第一和第二接收器接收ATM信元的输入端子和连接到第一和第二发送器的输出端子,用于将进入的ATM信元引导到它们各自的合适输出端子。