Dynamic multiple input and multiple output cell cluster

1. A method of grouping a first plurality of cells contained in a subset of cells of a wireless telecommunication network to a first cluster for receiving uplink data from a mobile telecommunication device, and grouping a second plurality of cells contained in the subset of cells to a second cluster for transmitting downlink data to the mobile telecommunication device, wherein the method comprises:

performing a measurement of signal power and/or signal quality of signals received by the mobile telecommunication device from at least one cell of the wireless telecommunication network;

generating a measurement report by the mobile telecommunication device, the measurement report comprising measurement results of the measurement;

comparing the measurement results with a first criterion,

selecting candidate cells for the first and the second cluster, wherein the received signals of the candidate cells fulfil the first criterion, wherein selecting is performed individually for the mobile telecommunication device, and wherein the candidate cells constitute the subset of cells;

selecting the first and the second plurality of cells from the subset of cells, wherein the first plurality of cells fulfils at least one second criterion and the second plurality of cells fulfils at least one third criterion;

grouping the first plurality of cells to the first cluster and grouping the second plurality of cells to the second cluster;

selecting a master cell, wherein the master cell fulfils a fourth criterion, wherein the fourth criterion is a minimum connection quality for receiving uplink data from the mobile telecommunication device; and

coordinating data transmission and reception in the first and the second cluster by the master cell.

2. Method according to claim 1 , wherein the master cell is a candidate cell.

3. Method according to claim 1 , wherein the measurement report comprises desired channel information and a preselection of the mobile telecommunication device for the first and the second plurality of cells, and wherein the desired channel information is taken into account for selecting the first and the second plurality of cells.

4. Method according to claim 1 , wherein the measurement report is transmitted to a base station, and wherein the selecting and/or the grouping is performed by the base station.

5. Method according to claim 1 , wherein the first criterion comprises a minimum signal power level and/or a minimum signal quality level, and wherein the minimum signal power level and/or the minimum signal quality level are adjusted dynamically.

6. Method according to claim 1 , wherein the second and the third criterion are criteria considering scheduling decisions in the candidate cells.

7. Method according to claim 1 , wherein the first criterion comprises an amount of traffic exchanged between the candidate cells.

8. Method according to claim 1 , wherein a cell of the first or the second plurality of cells receives a first signal from the master cell and at least one second signal from a further master cell, the further master cell coordinating a third cluster, wherein the third cluster comprises said cell, the first signal being indicative of a first priority value for a resource, the second signal being indicative of a second priority value for the resource, and wherein said cell takes into account the first and the second priority value for resource allocation.

9. Method according to claim 8 , wherein receiving of the first and the second signal and the taking into account of the first and the second priority value is performed iteratively.

10. A base station for grouping a first plurality of cells contained in a subset of cells of a wireless telecommunication network to a first cluster for receiving uplink data from a mobile telecommunication device, and grouping a second plurality of cells contained in the subset of cells to a second cluster for transmitting downlink data to the mobile telecommunication device, wherein the base station is configured to:

receive a measurement report from a mobile telecommunication device;

compare measurement results of the measurement report with a first criterion,

select candidate cells for the first and the second cluster using the measurement report, wherein the candidate cells fulfil the first criterion, wherein selecting is performed individually for the mobile telecommunication device, and wherein the candidate cells constitute the subset of cells;

select the first and the second plurality of cells from the subset of cells, wherein the first plurality of cells fulfils at least one second criterion and the second plurality of cells fulfils at least one third criterion;

group the first plurality of cells to the first cluster and grouping the second plurality of cells to the second cluster;

select a master cell, wherein the master cell fulfils a fourth criterion, wherein the fourth criterion is a minimum connection quality for receiving uplink data from the mobile telecommunication device; and

coordinate the first and the second cluster.

11. A non-transitory computer-readable storage medium comprising instructions that when executed by a base station cause the base station to perform a method of grouping a first plurality of cells contained in a subset of cells of a wireless telecommunication network to a first cluster for receiving uplink data from a mobile telecommunication device, and grouping a second plurality of cells contained in the subset of ceils to a second cluster for transmitting downlink data to the mobile telecommunication device, wherein the method comprises the following steps:

receiving a measurement report from a mobile telecommunication device;

comparing measurement results of the measurement report with a first criterion,

selecting candidate cells for the first and the second cluster using the measurement report, wherein the candidate cells fulfil the first criterion, wherein selecting is performed individually for the mobile telecommunication device, and wherein the candidate cells constitute the subset of cells;

selecting the first and the second plurality of cells from the subset of cells, wherein the first plurality of cells fulfils at least one second criterion and the second plurality of cells fulfil at least one third criterion;

grouping the first plurality of cells to the first cluster and grouping the second plurality of cells to the second cluster;

selecting a master cell, wherein the master cell fulfils a fourth criterion, wherein the fourth criterion is a minimum connection quality for receiving uplink data from the mobile telecommunication device; and

coordinating the first and the second cluster.

12. Mobile telecommunication system comprising a plurality of base stations according to claim 10 .