Method and arrangement for high-speed data transmission in a mobile telecommunications system

Claim 3

The method as claimed in claim 1 , comprising practicing said step of splitting said high-speed data signal into said lower-speed signals at a base station; and said receiving end is at said mobile station.

Claim 4

The method as claimed in claim 1 , further comprising steps of: practicing said splitting of said high-speed data signal into said lower-speed signals somewhere else than at a base station; and said transmitting includes transmitting said high-speed data signal to the base station as said lower-speed signals, for transmission by the base station to the mobile station.

Claim 5

The method according to claim 1 , wherein: said digital mobile communication system is a code division multiple access (CDMA) system, and said traffic channels are CDMA traffic channels.

Claim 6

The method according to claim 4 , wherein: said CDMA traffic channels are distinguished from each other by using different spreading codes.

Claim 7

The method according to claim 4 , wherein: said traffic channels are distinguished from each other by using different Walsh functions.

Claim 8

An arrangement for high-speed data transmission in a mobile telecommunications system over a radio path having a plurality of traffic channels between a mobile station and a base station, comprising: means for splitting a high-speed data signal, whose speed is higher than the maximum data transfer rate of one said traffic channel, into two or more signals of lower speed prior to transmission over the radio path; two or more of said traffic channels being allocated to said mobile station for high-speed data transmission, so that said arrangement is arranged to transmit each of said lower-speed signals over the radio path in a respective said traffic channel; means for performing channel coding, interleaving and modulation operations separately for each one of said lower-speed signals at a respective transmitting end; means for performing demodulation, deinterleaving and channel decoding operations separately for each one of said lower-speed signals at a respective receiving end; and means for combining said lower-speed signals as received over the radio path into said high-speed data signal.

Claim 9

An arrangement for high-speed data transmission in a mobile telecommunications system over a radio path having a plurality of traffic channels between a mobile station and a base station, comprising: means for splitting a high-speed data signal, whose speed is higher than the maximum data transfer rate of one said traffic channel, into two or more signals of lower speed prior to transmission over the radio path; two or more of said traffic channels being allocated to said mobile station for high-speed data transmission, so that said arrangement is arranged to transmit each of said lower-speed signals over the radio path in a respective said traffic channel; means for performing channel coding, interleaving and modulation operations separately for each one of said lower-speed signals at a respective transmitting end; means for performing demodulation, deinterleaving and channel decoding operations separately for each one of said lower-speed signals at a respective receiving end; and means for combining said lower-speed signals as received over the radio path into said high-speed data signal.

Claim 10

The arrangement as claimed in claim 7 , wherein: said means for combining and splitting are placed at said base station and said mobile station.

Claim 11

The arrangement as claimed in claim 7 , wherein: said system further comprises a mobile exchange; and said means for combining and said means for splitting are placed at said mobile exchange and at said mobile station.

Claim 12

The arrangement as claimed in claim 7 , wherein: said base station comprises means for performing channel coding, interleaving and modulation operations separately for each one of said lower-speed signals.

Claim 13

The arrangement as claimed in claim 7 , wherein: said mobile station comprises means common to all said lower-speed signals for performing channel coding, interleaving and modulation operations.

Claim 14

The system according to claim 7 , wherein: said mobile communication system is a code division multiple access (CDMA) system, and said traffic channels are CDMA traffic channels.

Claim 15

The system according to claim 12 , wherein: said CDMA traffic channels are distinguished from each other by being arranged to use different spreading codes.

Claim 16

The system according to claim 12 , wherein: said traffic channels are distinguished from each other by being arranged to use different Walsh functions.

Claim 17

A mobile station for a digital mobile communication system having the capability of allocating to the mobile station two or more parallel traffic channels having mutually different channel numbers during the connection for transmission of a high-speed data signal over a radio path between said mobile station and said mobile communication system, when the transmission rate required by said high-speed data signal is higher than a maximum transmission rate of one said traffic channel, said mobile station: having splitting means arranged to split a high-speed data signal, having a speed which is higher than the maximum data transfer rate of one said traffic channel, into two or more signals of lower speed prior to transmission over said radio path; having channel coding means arranged to perform channel coding, interleaving and modulation operations separately for each one of said lower-speed signals to be transmitted; having transmitting means arranged to transmit each of said lower-speed signals over said radio path in respective ones of said allocated traffic channels; having demodulation, deinterleaving and channel decoding means arranged to perform demodulation, deinterleaving and channel decoding operations separately for each one of said lower-speed signals received; and combining means arranged to combine lower-speed signals received over said radio path through said allocated traffic channels, into a high-speed data signal.

Claim 18

A mobile station for a digital mobile communication system having the capability of allocating to the mobile station two or more parallel traffic channels having mutually different channel numbers during the connection for transmission of a high-speed data signal over a radio path between said mobile station and said mobile communication system, when the transmission rate required by said high-speed data signal is higher than a maximum transmission rate of one said traffic channel, said mobile station: having splitting means arranged to split a high-speed data signal, having a speed which is higher than the maximum data transfer rate of one said traffic channel, into two or more signals of lower speed prior to transmission over said radio path; having channel coding means arranged to perform channel coding, interleaving and modulation operations separately for each one of said lower-speed signals to be transmitted; having transmitting means arranged to transmit each of said lower-speed signals over said radio path in respective ones of said allocated traffic channels; having demodulation, deinterleaving and channel decoding means arranged to perform demodulation, deinterleaving and channel decoding operations separately for each one of said lower-speed signals received; and combining means arranged to combine lower-speed signals received over said radio path through said allocated traffic channels, into a high-speed data signal.

Claim 19

The mobile station according to claim 15 , wherein: said digital mobile communication system is a code division multiple access (CDMA) system, and said traffic channels are CDMA traffic channels.

Claim 20

The mobile station according to claim 16 , wherein: said CDMA traffic channels are distinguished from each other by being arranged to use different spreading codes.

Claim 21

The mobile station according to claim 16 , wherein: said traffic channels are distinguished from each other by being arranged to use different Walsh functions.

Claim 24

An arrangement for high-speed data transmission in mobile telecommunications system over a radio path between a mobile station and a base station, said arrangement comprising: means for splitting a high-speed data signal having a speed which is higher than the maximum data transfer rate of one traffic channel of said radio path, into two or more signals of lower speed in a mobile communication network, at a location remote from said base station: means for transmitting said lower-speed signals to said base station: said mobile station being allocated two or more traffic channels of said radio path, for lower-speed data transmission, so that each of said lower-speed signals is arranged to be transmitted over the radio path in a respective said traffic channel; and means for transmitting each data signal of lower speed in different one of said allocated traffic channels over the radio path from said serving base station to said mobile station.

Claim 25

An arrangement for high-speed data transmission in mobile telecommunications system over a radio path between a mobile station and a base station, said arrangement comprising: means for splitting a high-speed data signal having a speed which is higher than the maximum data transfer rate of one traffic channel of said radio path, into two or more signals of lower speed in a mobile communication network, at a location remote from said base station: means for transmitting said lower-speed signals to said base station: said mobile station being allocated two or more traffic channels of said radio path, for lower-speed data transmission, so that each of said lower-speed signals is arranged to be transmitted over the radio path in a respective said traffic channel; and means for transmitting each data signal of lower speed in different one of said allocated traffic channels over the radio path from said serving base station to said mobile station.

Claim 28

An arrangement for high-speed data transmission in a mobile telecommunications system over a radio path between a mobile station and a base station, said arrangement comprising: means for splitting a high-speed data signal having a speed which is higher than the maximum data transfer rate of one traffic channel of said radio path, into two or more signals of lower speed in a mobile communication network, at a location remote from said base station; means for transmitting said lower-speed signals to said base station; said mobile station being allocated two or more traffic channels of said radio path, for lower-speed transmission, so that each of said lower-speed signals is arranged to be transmitted over the radio path in a respective said traffic channel; means for performing channel coding, interleaving and modulation operations separately for each one of said lower-speed signals at the serving base station; means for transmitting each data signal of lower speed in different one of said allocated traffic channels over the radio path from said serving base station to said mobile station; and means for performing demodulation, deinterleaving and channel decoding operations separately for each one of said lower-speed signals at the mobile station.

Claim 29

An arrangement for high-speed data transmission in a mobile telecommunications system over a radio path between a mobile station and a base station, said arrangement comprising: means for splitting a high-speed data signal having a speed which is higher than the maximum data transfer rate of one traffic channel of said radio path, into two or more signals of lower speed in a mobile communication network, at a location remote from said base station; means for transmitting said lower-speed signals to said base station; said mobile station being allocated two or more traffic channels of said radio path, for lower-speed transmission, so that each of said lower-speed signals is arranged to be transmitted over the radio path in a respective said traffic channel; means for performing channel coding, interleaving and modulation operations separately for each one of said lower-speed signals at the serving base station; means for transmitting each data signal of lower speed in different one of said allocated traffic channels over the radio path from said serving base station to said mobile station; and means for performing demodulation, deinterleaving and channel decoding operations separately for each one of said lower-speed signals at the mobile station.

Claim 32

An arrangement for high-speed data transmission in mobile telecommunications system over a radio path between a mobile station and a base station, said arrangement comprising: means for splitting a high-speed data signal having a speed which is higher than the maximum data transfer rate of one traffic channel of said radio path, into two or more signals of lower speed in a mobile communication network, at a location remote from said base station, wherein the location is located at at least one of a base station controller and a mobile services switching center; means for transmitting said lower-speed signals to said base station: said mobile station being allocated two or more traffic channels of said radio path, for lower-speed data transmission, so that each of said lower-speed signals is arranged to be transmitted over the radio path in a respective said traffic channel; and means for transmitting each data signal of lower speed in different one of said allocated traffic channels over the radio path from said serving base station to said mobile station.

Claim 33

An arrangement for high-speed data transmission in mobile telecommunications system over a radio path between a mobile station and a base station, said arrangement comprising: means for splitting a high-speed data signal having a speed which is higher than the maximum data transfer rate of one traffic channel of said radio path, into two or more signals of lower speed in a mobile communication network, at a location remote from said base station, wherein the location is located at at least one of a base station controller and a mobile services switching center; means for transmitting said lower-speed signals to said base station: said mobile station being allocated two or more traffic channels of said radio path, for lower-speed data transmission, so that each of said lower-speed signals is arranged to be transmitted over the radio path in a respective said traffic channel; and means for transmitting each data signal of lower speed in different one of said allocated traffic channels over the radio path from said serving base station to said mobile station.