Abstract
Methods systems and apparatus for dispersing a group of user equipment (UEs) concentrated on a single channel is disclosed. After receiving a disperse command the UEs select a channel and then select a cell. The channel selection may be performed using a random or pseudorandom function. The cell selection may be performed prior to camping on the cell. Prior to camping the UEs may test the acceptability of a candidate cell and/or may perform a cell reselection. The result of the dispersion is that the UEs are distributed amongst many channels (a b c and d) where reference are found in FIGS. 1A and 1B.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Not Available | 11/10/2007 | ISLD-200802-002 | QUALCOMM INC | Yes | Basis Patent | ||||
| 3G | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC |
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Specification Information
Specification Information
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| CN105554858B | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Broadcast/Multicast Session Management
Product
Base Station (eNB/gNB)User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Multimedia broadcast/multicast service (MBMS)
Claim
1. A remote station apparatus comprising: a communication circuit configured to:
receive an MBMS point-to-multipoint session on a current channel; and receive a disperse command from a base station at the end of the MBMS point-to-multipoint session, wherein the disperse command is broadcast from the base station to all remote stations congregated on and wirelessly receiving broadcast data on the same channel; a channel selector configured to select a channel from a plurality of channels including the current channel in response to the disperse command, the selection being based at least in part on a hash function for pseudorandomly selecting a channel among the plurality of channels including the current channel so as to evenly distribute the remote stations amongst the plurality of channels; and a cell selector configured to select a cell based at least in part on the selected channel and a characteristic of the cell and a suitability test.
2. The apparatus of claim 1, wherein the hash function provides results that are evenly distributed over a range of output values.
3. The apparatus of claim 1, wherein the cell selector is further configured to select the cell using at least one item selected from a group consisting of monitored cell data, selection parameters.
4. A remote station apparatus comprising:
a communication circuit configured to:
receive an MBMS point-to-multipoint session on a current channel; and receive a disperse command from a base station at the end of the MBMS point-to-multipoint session, wherein the disperse command is broadcast from the base station to all remote stations congregated on the same channel and receiving communication link data;
a channel selector configured to select a channel from a plurality of channels including the current channel in response to the disperse command, the selection being based at least in part on a hash function for pseudorandomly selecting a channel among the plurality of channels including the current channel so as to evenly distribute the remote stations amongst the plurality of channels; and
a cell selector configured to select a first cell based at least in part on the selected channel and a characteristic of the first cell and a suitability test, and to select a camping cell based at least in part on the selected channel and the first cell and the suitability test, wherein the cell selector is further configured to select the camping cell before camping on any cell.
5. The apparatus of claim 4, wherein the hash function provides results that are evenly distributed over a range of output values.
6. The apparatus of claim 4, wherein the cell selector is further configured to camp on the first cell.
7. The apparatus of claim 4, wherein the cell selector is further configured to perform a cell reselection.
8. The apparatus of claim 7, wherein the cell selector is further configured to perform the cell reselection in accordance with a standard cell reselection protocol.
9. The apparatus of claim 8, wherein the standard cell reselection protocol comprises Release '99 reselection rules.
10. The apparatus of claim 4, wherein the cell selector is configured to test the acceptability of the first cell.
11. The apparatus of claim 10, wherein the cell selector is further configured to perform a cell reselection if the first cell is determined to not be acceptable.
12. The apparatus of claim 10, wherein the cell selector is further configured to camp on the first cell if the first cell is determined to be acceptable.
13. A wireless communication system comprising:
a plurality of base stations, each configured to:
broadcast a point-to-multipoint session on a current channel; and broadcast a disperse command at the end of the MBMS point-to-multipoint session to all remote stations congregated on and wirelessly receiving broadcast data on the same channel in order to initiate remote station dispersion, wherein the disperse command instructs a plurality of remote stations to select a channel from a plurality of channels including the current channel and to select a cell, the selection of the channel being based at least in part on a hash function for pseudorandomly selecting a channel among the plurality of channels including the current channel so as to evenly distribute the remote stations amongst the plurality of channels, and the selection of the cell being based at least in part on the selected channel and a characteristic of the cell and a suitability test.
14. The system of claim 13, wherein the hash function provides results that are evenly distributed over a range of output values.
15. The system of claim 13, wherein the disperse command instructs the remote stations to select the cell using at least one selected item from a group consisting of monitored cell data, selection parameters.
16. A wireless communication system comprising:
a plurality of base stations, each configured to:
broadcast a point-to-multipoint session on a current channel; and
broadcast a disperse command at the end of the MBMS point-to-multipoint session to all remote stations congregated on and wirelessly receiving broadcast data on the same channel in order to initiate remote station dispersion, wherein the disperse command instructs a plurality of remote stations to select a channel from a plurality of channels including the current channel based at least in part on a hash function for pseudorandomly selecting a channel among the plurality of channels including the current channel so as to evenly distribute the remote stations amongst the plurality of channels, and further to select a first cell based at least in part on the selected channel and a characteristic of the first cell, and to select a camping cell based at least in part on the channel and the first cell, wherein each of the remote stations is further configured to select the camping cell before camping on any cell.
17. The system of claim 16, wherein the hash function provides results that are evenly distributed over a range of output values.
18. The system of claim 16, wherein the remote stations further perform a cell reselection in response to the disperse command.
19. The system of claim 18, wherein the remote stations perform the cell reselection in accordance with a standard cell reselection protocol.
20. The system of claim 19, wherein the standard cell reselection protocol comprises Release '99 reselection rules.
21. A method of responding to a disperse command, the method comprising:
receiving an MBMS point-to-multipoint session on a current channel; receiving the disperse command from a base station at the end of the MBMS point-to- multipoint session, wherein the disperse command is broadcast from the base station to all remote stations congregated on and wirelessly receiving broadcast data on the same channel;
selecting a channel from a plurality of channels including the current channel in response to the disperse command, the selection being based at least in part on a hash function for pseudorandomly selecting a channel among the plurality of channels including the current channel so as to evenly distribute the remote stations amongst the plurality of channels; and
selecting a cell based at least in part on the selected channel and a characteristic of the cell and a suitability test.
22. The method of claim 21, wherein the hash function provides results that are evenly distributed over a range of output values.
23. A method of responding to a disperse command, the method comprising:
receiving an MBMS point-to-multipoint session on a current channel; receiving the disperse command from a base station at the end of the MBMS point-to- multipoint session, wherein the disperse command is broadcast from the base station to all remote stations congregated on and wirelessly receiving broadcast data on the same channel;
selecting a channel from a plurality of channels including the current channel in response to the disperse command, the selection being based at least in part on a hash function for pseudorandomly selecting a channel among the plurality of channels including the current channel so as to evenly distribute the remote stations amongst the plurality of channels;
selecting a first cell based at least in part on the selected channel and a characteristic of the first cell and a suitability test; and
selecting a camping cell based at least in part on the selected channel and the first cell and the suitability test, wherein the camping cell is selected before camping on any cell.
24. The method of claim 23, further comprising camping on the camping cell.
25. The method of claim 23, further comprising determining whether the first cell is acceptable.
26. The method of claim 23, further comprising performing a cell reselection.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.