Packet data transmission using dynamic channel assignment
US5790551A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 28, 1995 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Nov 28, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/23
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for transmitting packetized data in a cellular communication system uses a dynamic channel assignment scheme. In this aspect of the invention a data control channel is used in addition to the data traffic channel. The mobile end system uses the data control channel to send a request for assignment of a channel for transmission of data--such as a particular frequency/time-slot in a TDMA system. The network responds with the identification of a particular channel that may be used for a particular time period to transmit data. In this aspect of the invention there is no dedicated channel that is used for data transmission. Rather, the network determines a channel that will be free for the specified time period and assigns it for data transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.