Inter-point parameter signaling in coordinated multi-point (CoMP) networks
A transmission point (TP) comprises a processor configured to generate a transmission parameter related to a transmission property of the TP, wherein the transmission parameter comprises at least one of a transmission rank, a beamforming matrix, a transmission power, and an on/off status, and a transmitter coupled to the processor and configured to transmit the transmission parameter as part of a coordinated multi-point (CoMP) scheme. A transmission point (TP) comprises a processor configured to generate a transmission parameter related to a desired transmission property, wherein the transmission parameter comprises at least one of a transmission rank, a beamforming matrix, a transmission power, and an on/off status, and a transmitter coupled to the processor and configured to transmit the transmission parameter as part of a coordinated multi-point (CoMP) scheme.
1. A transmission point (TP) comprising:
a processor configured to generate transmission parameters indicative of transmission properties used by the TP, wherein the transmission parameters comprise a control region size used by the TP, a multicast-broadcast single-frequency network (MBSFN) pattern, a parameter indicative of an eigenvector, and at least one of a transmission power used by the TP and an on/off status; and
a transmitter coupled to the processor and configured to transmit the transmission parameters as part of a coordinated multi-point (COMP) scheme.
2. The TP of claim 1 , wherein the transmission parameters further comprise a transmission rank, and wherein the transmission rank indicates a number of spatial layers transmitted by the TP.
3. The TP of claim 1 , wherein the transmission parameters further comprise a beamforming matrix, and wherein the beamforming matrix indicates a beamforming/precoding operation of the TP.
4. The TP of claim 1 , wherein the transmission power indicates a power of the transmitter when transmitting data.
5. The TP of claim 4 , wherein the transmission power is indicated as an absolute power.
6. The TP of claim 4 , wherein the transmission power is indicated as a power relative to a reference power.
7. The TP of claim 1 , wherein the transmission parameters further comprise the on/off status, and wherein the on/off status indicates whether or not the TP is actively transmitting.
8. The TP of claim 7 , wherein the on/off status comprises on/off data for each frequency resource in a subframe.
9. A transmission point (TP) comprising:
a processor configured to generate transmission parameters indicative of transmission properties used by the TP, wherein the transmission parameters comprise a control region size used by the TP, a multicast-broadcast single-frequency network (MBSFN) pattern, a parameter indicative of an eigenvector, and at least one of a transmission power used by the TP and an on/off status; and
a transmitter coupled to the processor and configured to transmit the transmission parameters as part of a coordinated multi-point (COMP) scheme.
10. The TP of claim 9 , wherein the transmitter is further configured to transmit the transmission parameters for all frequency resources in a subframe.
11. The TP of claim 9 , wherein the transmitter is further configured to transmit the transmission parameters for less than all frequency resources in a subframe.
12. An apparatus comprising:
a receiver configured to receive transmission parameters as part of a coordinated multi-point (CoMP) scheme;
a processor coupled to the receiver and configured to:
process the transmission parameters, and
generate transmission instructions based on one or more of the transmission parameters; and
a transmitter coupled to the processor and configured to transmit a radio subframe based on the transmission instructions, wherein one or more of the transmission parameters is indicative of a transmission property of the TP, and wherein the transmission parameters include a control region size used by the TP, a multicast-broadcast single-frequency network (MBSFN) pattern, a parameter indicative of an eigenvector, and at least one of a transmission power used by the TP and an on/off status.
13. The apparatus of claim 12 , wherein the processor is configured to generate the transmission instructions to reduce inter-cell interference (ICI).
14. The apparatus of claim 13 , wherein the processor is configured to generate the transmission instructions to comprise instructions to transmit with a first beamforming matrix that is substantially orthogonal to a second beamforming matrix associated with at least one of the transmission parameters.
15. The apparatus of claim 12 , wherein the transmission parameters further include a transmission rank.
16. The apparatus of claim 12 , wherein the transmission parameters further include a beamforming matrix.
17. The apparatus of claim 12 , wherein the transmission parameters include the on/off status.