Methods and apparatus for allocating spectrum in wireless networks

1. A method of allocating frequency spectrum resources in a wireless network, the method including:

receiving, by a frequency spectrum management device, a first channel message, from a first wireless base station;

determining for a first time period, by the frequency spectrum management device, a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

selecting, by the frequency spectrum management device in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assigning, by the frequency spectrum management device, the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices;

communicating, by the frequency spectrum management device, information identifying the assigned first frequency spectrum channel to the first wireless base station;

prior to receiving said first channel message,

receiving a registration request from the first wireless base station by the frequency spectrum management device;

registering the first wireless base station at the frequency spectrum management device; and

in response to the registration of the first wireless base station,

selecting, by the frequency spectrum management device, an initial frequency spectrum channel for the first wireless base station from the plurality of available frequency spectrum channels based on a location of the first wireless base station and co-channel interference;

assigning, by the frequency spectrum management device, the selected initial frequency spectrum channel to the first wireless base station; and

communicating, by the frequency spectrum management device, information identifying the assigned initial frequency spectrum channel to the first wireless base station.

2. The method of claim 1 ,

wherein the type of traffic the first wireless base station is carrying is one of the following traffic types: downlink dominated traffic type, uplink dominated traffic type, and balanced downlink and uplink traffic type.

3. The method of claim 2 further comprising:

when the determined type of traffic being carried by the first wireless base station for the first time period is said uplink dominated traffic basing said first frequency spectrum channel selection on adjacent channel interference.

4. The method of claim 3 further comprising:

determining, by the frequency spectrum management device, a frequency spectrum channel with the least amount of adjacent channel interference from the plurality of available frequency spectrum channels; and

wherein said basing said first frequency spectrum channel selection on adjacent channel interference includes selecting the frequency spectrum channel determined to have the least amount of adjacent channel interference as the first frequency spectrum channel.

5. The method of claim 3 further comprising:

when the determined type of traffic being carried by the first wireless base station for the first time period is said downlink dominated traffic basing said first frequency spectrum channel selection on co-channel interference; and

determining, by the frequency spectrum management device, a frequency spectrum channel with the least amount of co-channel interference from the plurality of available frequency spectrum channels; and

wherein said basing said first frequency spectrum channel selection on co-channel interference includes selecting the frequency spectrum channel determined to have the least amount of co-channel interference as the first frequency spectrum channel.

6. The method of claim 2 , wherein said first channel message is a request for an assignment of a different frequency spectrum channel to replace the frequency spectrum channel currently assigned to the first wireless base station.

7. The method of claim 6 , wherein said first channel message includes one or more of the following: information identifying the type of traffic being carried by the first wireless base station, an average uplink bit error rate, and an average user equipment (UE) power headroom value.

8. A method of allocating frequency spectrum resources in a wireless network, the method including:

receiving, by a frequency spectrum management device, a first channel message, from a first wireless base station;

determining for a first time period, by the frequency spectrum management device, a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

selecting, by the frequency spectrum management device in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assigning, by the frequency spectrum management device, the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices; and

communicating, by the frequency spectrum management device, information identifying the assigned first frequency spectrum channel to the first wireless base station;

wherein the type of traffic the first wireless base station is carrying is one of the following traffic types: downlink dominated traffic type, uplink dominated traffic type, and balanced downlink and uplink traffic type;

when the determined type of traffic being carried by the first wireless base station for the first time period is said uplink dominated traffic basing said first frequency spectrum channel selection on adjacent channel interference;

when the determined type of traffic being carried by the first wireless base station for the first time period is said downlink dominated traffic: (i) basing said first frequency spectrum channel selection on co-channel interference, and (ii) determining, by the frequency spectrum management device, a frequency spectrum channel with the least amount of co-channel interference from the plurality of available frequency spectrum channels;

wherein said basing said first frequency spectrum channel selection on co-channel interference includes selecting the frequency spectrum channel determined to have the least amount of co-channel interference as the first frequency spectrum channel; and

when the determined type of traffic being carried by the first wireless base station during said first time period is said balanced downlink and uplink traffic: (i) basing said first frequency spectrum channel selection on co-channel interference and adjacent channel interference, and (ii) determining, by the frequency spectrum management device, frequency spectrum channels with a moderate amount of co-channel interference and a moderate amount of adjacent channel interference from the plurality of available frequency spectrum channels; and

wherein said basing said first frequency spectrum channel selection on co-channel interference and adjacent channel interference includes selecting one of the frequency spectrum channels determined to have a moderate amount of co-channel interference and a moderate amount of adjacent channel interference as the first frequency spectrum channel.

9. A method of allocating frequency spectrum resources in a wireless network, the method including:

receiving, by a frequency spectrum management device, a first channel message, from a first wireless base station;

determining for a first time period, by the frequency spectrum management device, a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

selecting, by the frequency spectrum management device in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assigning, by the frequency spectrum management device, the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices; and

communicating, by the frequency spectrum management device, information identifying the assigned first frequency spectrum channel to the first wireless base station;

wherein the type of traffic the first wireless base station is carrying is one of the following traffic types: downlink dominated traffic type, uplink dominated traffic type, and balanced downlink and uplink traffic type;

wherein the first channel message includes a frequency spectrum channel allocation update request, information indicating the type of traffic being carried by the first wireless base station, a user equipment (UE) average power headroom value, an average uplink bit error rate, and a time period over which the information indicating: (i) the type of traffic being carried by the first wireless base station, (ii) the UE average power headroom value, and (iii) the average uplink bit error rate were determined; and

wherein the first wireless base station uses the same frequency spectrum channel for both uplink and downlink communications.

10. The method of claim 9 further comprising:

prior to selecting the first frequency spectrum channel determining the type of traffic the first wireless base station is carrying based on information provided by the first wireless base station to the frequency spectrum management device; and

when the determined type of traffic being carried by the first wireless base station is said uplink dominated traffic basing said first frequency spectrum channel selection on adjacent channel interference.

11. A communications system comprising:

a frequency spectrum management device located in a wireless network that allocates frequency spectrum resources to wireless base stations operating in the wireless network, the frequency spectrum management device including:

one or more processors that control the operation of the frequency spectrum management device to perform the following operations:

receive a first channel message from a first wireless base station of the wireless network;

determine for a first time period a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

select in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assign the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices; and

communicate information identifying the assigned first frequency spectrum channel to the first wireless base station; and

wherein prior to receiving said first channel message, said one or more processors included in the frequency spectrum management device control the frequency spectrum management device to perform the following operations:

receive a registration request from the first wireless base station by the frequency spectrum management device;

register the first wireless base station at the frequency spectrum management device; and

in response to the registration of the first wireless base station,

select an initial frequency spectrum channel assignment for the first wireless base station from the plurality of available frequency spectrum channels based on a location of the first wireless base station and co-channel interference;

assign the selected initial frequency spectrum channel to the first wireless base station; and

communicate information identifying the assigned initial frequency spectrum channel to the first wireless base station.

12. The communications system of claim 11 ,

wherein the type of traffic the first wireless base station is carrying is one of the following traffic types: downlink dominated traffic type, uplink dominated traffic type, and balanced downlink and uplink traffic type.

13. The communications system of claim 12 , wherein said one or more processors included in the frequency spectrum management device further control the frequency spectrum management device to perform the following operations:

when the determined type of traffic being carried by the first wireless base station for the first time period is said uplink dominated traffic basing said first frequency spectrum channel selection on adjacent channel interference.

14. The communications system of claim 13 , wherein said one or more processors included in the frequency spectrum management device further control the frequency spectrum management device to perform the following operations:

determine a frequency spectrum channel with the least amount of adjacent channel interference from the plurality of available frequency spectrum channels; and

wherein said basing said first frequency spectrum channel selection on adjacent channel interference includes selecting the frequency spectrum channel determined to have the least amount of adjacent channel interference as the first frequency spectrum channel.

15. The communications system of claim 13 , wherein the one or more processors included in the frequency spectrum management device further control the frequency spectrum management device to perform the following operations:

when the determined type of traffic being carried by the first wireless base station is said downlink dominated traffic basing said first frequency spectrum channel selection on co-channel interference; and

determine a frequency spectrum channel with the least amount of co-channel interference from the plurality of available frequency spectrum channels; and

wherein said basing said first frequency spectrum channel selection on co-channel interference includes selecting the frequency spectrum channel determined to have the least amount of co-channel interference as the first frequency spectrum channel.

16. The communications system of claim 12 , wherein said first channel message is a request for the assignment of a different frequency spectrum channel to replace the frequency spectrum channel currently assigned to the first wireless base station.

17. A communications system comprising:

a frequency spectrum management device located in a wireless network that allocates frequency spectrum resources to wireless base stations operating in the wireless network, the frequency spectrum management device including:

one or more processors that control the operation of the frequency spectrum management device to perform the following operations:

receive a first channel message from a first wireless base station of the wireless network;

determine for a first time period a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

select in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assign the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices; and

communicate information identifying the assigned first frequency spectrum channel to the first wireless base station;

wherein the type of traffic the first wireless base station is carrying is one of the following traffic types: downlink dominated traffic type, uplink dominated traffic type, and balanced downlink and uplink traffic type;

wherein said one or more processors included in the frequency spectrum management device further control the frequency spectrum management device to perform the following operations:

when the determined type of traffic being carried by the first wireless base station for the first time period is said uplink dominated traffic, basing said first frequency spectrum channel selection on adjacent channel interference;

when the determined type of traffic being carried by the first wireless base station is said downlink dominated traffic: (i) basing said first frequency spectrum channel selection on co-channel interference, and (ii) determining a frequency spectrum channel with the least amount of co-channel interference from the plurality of available frequency spectrum channels;

wherein said basing said first frequency spectrum channel selection on co-channel interference includes selecting the frequency spectrum channel determined to have the least amount of co-channel interference as the first frequency spectrum channel;

when the determined type of traffic being carried by the first wireless base station is said balanced downlink and uplink traffic: (i) basing said first frequency spectrum channel selection on co-channel interference and adjacent channel interference, and (ii) determining frequency spectrum channels with a moderate amount of co-channel interference and a moderate amount of adjacent channel interference from the plurality of available frequency spectrum channels; and

wherein said basing said first frequency spectrum channel selection on co-channel interference and adjacent channel interference includes selecting one of the frequency spectrum channels determined to have a moderate amount of co-channel interference and a moderate amount of adjacent channel interference as the first frequency spectrum channel.

18. A communications system comprising:

a frequency spectrum management device located in a wireless network that allocates frequency spectrum resources to wireless base stations operating in the wireless network, the frequency spectrum management device including:

one or more processors that control the operation of the frequency spectrum management device to perform the following operations:

receive a first channel message from a first wireless base station of the wireless network;

determine for a first time period a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

select in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assign the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices; and

communicate information identifying the assigned first frequency spectrum channel to the first wireless base station;

wherein the type of traffic the first wireless base station is carrying is one of the following traffic types: downlink dominated traffic type, uplink dominated traffic type, and balanced downlink and uplink traffic type; and

wherein the first channel message includes a frequency spectrum channel allocation update request, information indicating the type of traffic being carried by the first wireless base station, a user equipment (UE) average power headroom value, an average uplink bit error rate, and a time period over which the information indicating: (i) the type of traffic being carried by the first wireless base station, (ii) the UE average power headroom value, and (iii) the average uplink bit error rate were determined; and

wherein the first wireless base station uses the same frequency spectrum channel for both uplink and downlink communications.

19. The communications system of claim 18 , wherein said one or more processors included in the frequency spectrum management device further controls the frequency spectrum management device to perform the following operations:

prior to selecting the first frequency spectrum channel determining the type of traffic the first wireless base station is carrying based on information provided by the first wireless base station to the frequency spectrum management device; and

when the determined type of traffic being carried by the first wireless base station is said uplink dominated traffic basing said first frequency spectrum channel selection on adjacent channel interference.

20. A non-transitory computer readable medium including a first set of computer executable instructions which when executed by a processor of a frequency spectrum management device causes the frequency spectrum management device to perform the steps of:

receiving a first channel message from a first wireless base station of a wireless network;

determining for a first time period, by the frequency spectrum management device, a type of traffic the first wireless base station carries based on information reported from the first wireless base station for the first time period;

selecting in response to the received first channel message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on the determined type of traffic the first wireless base station is carrying;

assigning the selected first frequency spectrum channel to the first wireless base station for use in wireless communications with user equipment devices; and

communicating information identifying the assigned first frequency spectrum channel to the first wireless base station; and

prior to receiving said first channel message, said first set of computer executable instructions which when executed by the processor of the frequency spectrum management device cause the frequency spectrum management device to perform the steps of:

receiving a registration request from the first wireless base station;

registering the first wireless base station at the frequency spectrum management device; and

in response to the registration of the first wireless base station,

selecting an initial frequency spectrum channel for the first wireless base station from the plurality of available frequency spectrum channels based on a location of the first wireless base station and co-channel interference;

assigning the selected initial frequency spectrum channel to the first wireless base station; and

communicating information identifying the assigned initial frequency spectrum channel to the first wireless base station.