초록 ▼

The invention relates to a radio communication system having a random access packet channel for the transmission of data packets (214) from a secondary station to a primary station. Such a channel is intended for use by secondary stations having packets of data (214) to transmit to a primary station

The invention relates to a radio communication system having a random access packet channel for the transmission of data packets (214) from a secondary station to a primary station. Such a channel is intended for use by secondary stations having packets of data (214) to transmit to a primary station while not actually engaged in a call. A secondary station wishing to transmit data packets (214) engages in two contention resolution phases (208, 210) with the primary station. This addresses the problem with prior art systems that there is a significant chance of two secondary stations believing that they have been granted access to the channel, the resultant collisions leading to a significant reduction in system capacity.

대표청구항 ▼

The invention relates to a radio communication system having a random access packet channel for the transmission of data packets (214) from a secondary station to a primary station. Such a channel is intended for use by secondary stations having packets of data (214) to transmit to a primary station

The invention relates to a radio communication system having a random access packet channel for the transmission of data packets (214) from a secondary station to a primary station. Such a channel is intended for use by secondary stations having packets of data (214) to transmit to a primary station while not actually engaged in a call. A secondary station wishing to transmit data packets (214) engages in two contention resolution phases (208, 210) with the primary station. This addresses the problem with prior art systems that there is a significant chance of two secondary stations believing that they have been granted access to the channel, the resultant collisions leading to a significant reduction in system capacity. ormat.22. The method of claim 13, wherein the formatting includes formatting the record in a simple mail transfer protocol.23. A method of providing data related to a scheduled event to a wireless device at a predetermined time prior to the occurrence of that event, comprising: retrieving user defined event related data from a storage device; retrieving time schedule data associated with the event related data, wherein an event is scheduled to occur at a time represented by the time schedule data; and transferring the retrieved event related data to a wireless communication device by way of a short message service at a predetermined time prior to the time indicated by the time schedule data. 24. A method of providing data related to a scheduled event to a wireless device at a predetermined time prior to the occurrence of that event, comprising: retrieving user defined event related data from a storage device at a predetermined time interval, the data including time schedule data including a time at which an event is scheduled to take place; comparing the retrieved event related and time schedule data to previously retrieved event related and time schedule data; formatting the event related and time schedule data; and transferring the retrieved event related data to a wireless communication device by way of a short message service at a predetermined time prior to the time indicated by the time schedule data at which the event is scheduled to take place. 25. A schedule data transfer system, comprising: a storage device containing computer readable data representing a scheduled time of an event; and a processor containing instructions that, when executed by the processor, cause the processor to: retrieve event related schedule data from the storage device;retrieve time schedule data associated with a time when the event is scheduled to occur; andtransfer the event related data and the time schedule data to a wireless communication device at a predetermined time prior to the time indicated by the time schedule data.26. The schedule data transfer system of claim 25, wherein the data includes at least a portion of the retrieved event related schedule data.27. The schedule data transfer system of claim 25, wherein the event related schedule data includes a predetermined time at which the transfer is to take place.28. The schedule data transfer system of claim 25, wherein the processor contains further instructions which, when executed by the processor, cause the processor to: determine whether the retrieved event related schedule data should be transferred to the wireless communication device; and format the retrieved event related schedule data. 29. The schedule data transfer system of claim 25, further comprising a short message server receiving the event related schedule data from the processor and transferring the event related schedule data to the wireless communication device.30. The schedule data transfer system of claim 25, wherein the instructions are executed by the processor as a background process.31. The schedule data transfer system of claim 30, wherein the background process is executed on a general-purpose computer.32. The schedule data transfer system of claim 30, wherein the background process executes instructions at a predetermined time to monitor for new or modified schedule data.33. A schedule data transfer system, comprising: a server; a computer readable medium containing user defined event related schedule data and time schedule data associated with a time when the event is scheduled to occur; a processor communicating with the server and the computer readable medium and containing instructions that, when executed, cause the processor to transfer the event related schedule and time schedule data to the server; and a wireless communication device in communication with the server, whereby the wireless communication device receives the event related schedule data from t he server at a predetermined time that is prior to the time indicated by the time schedule data. 34. The schedule data transfer system of claim 33, wherein a set of instructions are executed between the processor and the server to update existing pending event related schedule data messages residing on the server.35. The schedule data transfer system of claim 33, wherein, upon initiating a communications session between the processor and the server, the processor transfers updated event related schedule data to the server.36. The schedule data transfer system of claim 35, wherein the data is transferred between the processor and the server occurs using a network protocol.37. The schedule data transfer system of claim 36, wherein the network protocol is accepted by a firewall associated with the server.38. The schedule data transfer system of claim 33, wherein the server originates event related schedule data alert messages.39. The schedule data transfer system of claim 38, wherein the event related schedule data alert messages further comprise future notifications.40. The schedule data transfer system of claim 38, wherein the event related schedule data alert messages are queued on the server.41. The schedule data transfer system of claim 38, wherein the event related schedule data alert messages can be modified by a user prior to a predetermined time.42. The schedule data transfer system of claim 38, wherein the event related schedule data alert messages are transferred from the server to the processor at a predetermined time.43. The schedule data transfer system of claim 42, wherein the event related schedule data alert messages are transferred from the processor to the wireless communications device.44. The schedule data transfer system of claim 38, wherein the event related schedule data alert messages are transferred from the server to the wireless communication device.45. The schedule data transfer system of claim 33, wherein the data transferred to the server includes at least a portion of the event related schedule data contained by the computer readable medium.46. The schedule data transfer system of claim 33, wherein the time schedule data includes a time at which an event is scheduled to take place and the data is transferred to the wireless communication device at a predetermined time prior to the time at which the event is scheduled to take place.47. The schedule data transfer system of claim 33, wherein the server is a short message server.48. The schedule data transfer system of claim 33, wherein the server includes an intelligent peripheral and a mobile switching center.49. A computer readable medium having stored thereon instructions which, when executed by a processor, cause the processor to: retrieve user defined event related schedule data from a storage device, the data including a time at which an event is scheduled to take place; retrieve time schedule data associated with a time when the event is scheduled to occur; and transfer at least a portion of the event related schedule data to a wireless communication device at a predetermined time prior to the time indicated by the time schedule data at which the event is scheduled to take place. s receiving a communication from the user refusing the change.6. The method of claim 1, wherein the step of determining comprises receiving a communication from the user accepting the change.7. The method of claim 1, further comprising the step of selecting another user if the user has refused the change.8. The method of claim 1, where the step of selecting comprises determining a priority of the user.9. The method of claim 1, where the step of selecting comprises determining a status of the user.10. The method of claim 1, where the step of modifying comprises modifying an error rate provided to the user.11. The method of claim 1, where the step of modifying comprises modifying a vocoder type provided to the user.12. The method of claim 1, where the step of modifying comprises modifying an encoding provided to the user.13. The method of claim 1, where the step of modifying comprises modifying a bandwidth provided to the user.14. The method of claim 13, where the step of modifying comprises modifying a number of communication channels provided to the user.15. The method of claim 1, where the step of selecting comprises selecting a new user.16. The method of claim 1, where the step of selecting comprises selecting an existing user.17. The method of claim 1, where the step of modifying comprises improving the communication service provided to the user.18. The method of claim 1, where the step of modifying comprises downgrading the communication service provided to the user.19. The method of claim 1, where the step of selecting comprises communicating with a database containing user information.