Method for uplink communication in a LTE cellular network

1. Method for data transmission from a wireless device to a base node, wherein (i) the base node is part of a cellular network and is configured to support frequency division multiple access method, (ii) a frequency bandwidth, receivable by the base node, comprises a plurality of subcarriers, and (iii) the wireless device is camping on the base node, the method comprising the steps of:

for the base node, assigning to the wireless device, a subcarrier of the plurality of subcarriers that is in a predetermined frequency range, and

transmitting data, from the wireless device, to the base node, (i) for a period of at least one data service session using only the assigned subcarrier, and (ii) using, for said data transmission, a first modulation scheme on the assigned subcarrier, wherein the first modulation scheme is a single subcarrier narrowband modulation scheme and is different from modulation schemes used, for groups of the subcarriers on said base node, by other wireless devices.

2. Method according to claim 1 , wherein the first wireless device and the second wireless device are assigned to different device domains of the cellular network.

3. Method according to claim 1 ,

comprising the step for the base node of indicating to the wireless device the capability of supporting the indicated first modulation scheme, and subsequently receiving transmissions from the wireless device using the first modulation scheme.

4. Method according to claim 1 ,

comprising the step for the base node of indicating subcarriers reserved for the first modulation scheme out of the plurality of subcarriers to the wireless device.

5. Method according to claim 1 , wherein the single subcarrier narrowband modulation scheme comprises one of:

continuous wave, and

Gaussian Minimum Shift Keying.

6. Method according to claim 1 , wherein the assigned subcarrier is an edge subcarrier and is situated at one end of the frequency band supported by the base node.

7. Method according to claim 1 , wherein

the assigned subcarrier is based on frequencies on the flank of the frequency band supported by the base node, and

said subcarrier is only usable for wireless devices supporting the first modulation scheme.

8. Method according to claim 1 , wherein the plurality of subcarriers correspond to a physical resource block.

9. Wireless device configured to camp on a base node, said base node being part of a cellular network and being configured to (i) support frequency division multiple access method, and (ii) receive a frequency bandwidth comprising a plurality of subcarriers,

wherein the wireless device is configured to

receive, from the base node, a subcarrier from said plurality of subcarriers, said subcarrier being in a predetermined frequency range, and

transmit data, to the base node, (i) for a period of at least one data service session using only the assigned subcarrier, and (ii) using, for said data transmission, a first modulation scheme on the assigned subcarrier, wherein the first modulation scheme is a single subcarrier narrowband modulation scheme and is different from modulation schemes used, for groups of the subcarriers, by other wireless devices camping on said base node.

10. Wireless device according to claim 9 , wherein the wireless device is assigned to a different device domain of the cellular network than the at least one second wireless device.

11. Wireless device according to claim 9 , wherein the single subcarrier narrowband modulation scheme comprises one of:

continuous wave, and

Gaussian Minimum Shift Keying.

12. Base node being part of a cellular network, the base node being configured to (i) support frequency division multiple access method and (ii) receive a frequency bandwidth comprising a plurality of subcarriers from at least one wireless device camping on the base node, wherein the base node is further configured to:

assign, to a wireless device, a subcarrier of the plurality of subcarriers that is in a predetermined frequency range,

receive data transmission, from said wireless device for a period of one data service session using only the assigned subcarrier, wherein the said data transmission is received in a first modulation scheme on the assigned subcarrier, said first modulation scheme being a single subcarrier narrowband modulation scheme and being different from modulation schemes used, for groups of the subcarriers, by other wireless devices camping on said base node.

13. Base node according to claim 12 , wherein the base node is further configured to indicate to the wireless device the capability of supporting the indicated first modulation scheme, and subsequently to receive transmissions from the wireless device using the first modulation scheme.

14. Base node according to claim 12 , wherein the base node is further configured to indicate subcarriers reserved for the first modulation scheme out of the plurality of subcarriers to the wireless device.

15. Base node according to claim 12 , wherein the single subcarrier narrowband modulation scheme comprises one of:

continuous wave, and

Gaussian Minimum Shift Keying.

16. Base node according to claim 12 , wherein the assigned subcarrier is an edge subcarrier and is situated at one end of the frequency band supported by the base node.