초록 ▼

A mobile weather band radio and method with dynamic geographic message updating. The radio has a weather band tuner for receiving weather band signals containing a message and a geographic identification code. A position indicative receiver is provided for receiving position indicative signals and d

A mobile weather band radio and method with dynamic geographic message updating. The radio has a weather band tuner for receiving weather band signals containing a message and a geographic identification code. A position indicative receiver is provided for receiving position indicative signals and determining a current position of the radio. Geographic identification codes and electronic map data are stored in memory for defining geographic regions corresponding to the geographic identification codes. A controller determines one of the geographic codes corresponding to the determined current position based on the position indicative signals, and further performs an operation, such as playing the message, when the determined geographic code corresponds to the received geographic code.

대표청구항 ▼

A mobile weather band radio and method with dynamic geographic message updating. The radio has a weather band tuner for receiving weather band signals containing a message and a geographic identification code. A position indicative receiver is provided for receiving position indicative signals and d

A mobile weather band radio and method with dynamic geographic message updating. The radio has a weather band tuner for receiving weather band signals containing a message and a geographic identification code. A position indicative receiver is provided for receiving position indicative signals and determining a current position of the radio. Geographic identification codes and electronic map data are stored in memory for defining geographic regions corresponding to the geographic identification codes. A controller determines one of the geographic codes corresponding to the determined current position based on the position indicative signals, and further performs an operation, such as playing the message, when the determined geographic code corresponds to the received geographic code. m the host PC. The user can also remotely upgrade the modem system firmware by directly programing the memory chip of the modem without the assistance of the host PC. The modem system is portable, obtaining power from a standard 9 volt battery. Therefore, various power saving features are also incorporated into the modem system power control error which is an error between a target received power and an actually received power. 31. A method as claimed in claim 28, wherein a large or small determination of the fading is carried out on the basis of variation in a fading vector. 32. A method as claimed in claim 28, wherein said turning of the forward transmission on and off is carried out every frame. 33. A method as claimed in claim 28, wherein said turning of the forward transmission on and off is carried out every slot. 34. A method of controlling communication in a code division multiple access (CDMA) mobile communication system comprising a plurality of base stations and a mobile station for making possible to communicate with said base stations via respective communication channels by a soft handover, said method comprising the steps of: measuring, in said mobile station, propagation losses in said communication channels to determine at least one specific base station in which forward transmission should be turned on in accordance with a predetermined reference value; measuring, in said mobile station, magnitude of fading in said communication channels to produce a determined result indicative of whether or not the magnitude of the fading has a value which is larger than a predetermined threshold value; transmitting, from said mobile station to said base stations via a reverse link, as a forward transmission power information signal, a combination of a base station information signal indicative of the at least one specific base station, a fading information signal indicative of the determined result, and an error detection information signal for carrying out error detection of the base station information signal and the fading information signal; decoding, in each of said base stations, the forward transmission power information signal to carry out the error detection on the fading information signal and the base station information signal using the error detection information signal; turning, in each of said base stations, a forward transmission off when an error is not detected in the error dete