| 摘要 |
A cordless telephone communications system utilizes unlicensed spread spectrum frequency hopping operation for private business (18) and residential (16) service and reuse of frequencies licensed for cellular communications for public telepoint base station (20) service. A cordless telephone (10, 11, 19) capable of both private and public operation scans control channels within the cellular frequency band and, upon locating a predetermined signal broadcast by a public telepoint base station (20) of the cordless telephone communications system, decodes frequency information specifying the frequencies for public operation. The telepoint base station (20) can also broadcast spread spectrum information defining a spread spectrum frequency hopping scheme for public operation. |
