Signaling and procedure design for cellular cluster contending on license-exempt bands
First Claim
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1. A method of coordinating use of a shared band by devices in two different wireless networks, the method being performed by one of a plurality of user equipments in a cluster, the method comprising:
- for the plurality of user equipments in the cluster and that communicate on a cellular wireless network;
selecting a channel in a license-exempt frequency band shared by the cluster and devices that communicate on another wireless network that is different from the cellular wireless network;
determining which user equipment is to send a request message on the channel;
determining which user equipment is to reply to the request message with a clear message;
compiling a contend-prepare message comprising an indication of the selected channel and indications of the user equipments to send request and clear messages for transmission of the contend-prepare message on a cellular band of the cellular wireless network; and
sending the contend-prepare message to the plurality of user equipments in the cluster.
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Abstract
The specification and drawings present a new method, apparatus and software related product (e.g., computer readable memory) for implementing a device-to-device communication of cellular, e.g., LTE, wireless devices on a shared band (e.g., ISM 2.4 GHz band), including the signaling and procedure design for contending or coordinating with the already existing radio systems (e.g., WLAN systems).
8 Citations
20 Claims
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1. A method of coordinating use of a shared band by devices in two different wireless networks, the method being performed by one of a plurality of user equipments in a cluster, the method comprising:
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for the plurality of user equipments in the cluster and that communicate on a cellular wireless network; selecting a channel in a license-exempt frequency band shared by the cluster and devices that communicate on another wireless network that is different from the cellular wireless network; determining which user equipment is to send a request message on the channel; determining which user equipment is to reply to the request message with a clear message; compiling a contend-prepare message comprising an indication of the selected channel and indications of the user equipments to send request and clear messages for transmission of the contend-prepare message on a cellular band of the cellular wireless network; and sending the contend-prepare message to the plurality of user equipments in the cluster. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An apparatus that coordinates use of a shared band by devices in two different wireless networks, comprising:
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a processing system comprising at least one processor and a memory that stores processing instructions that, when executed by the at least one processor, cause the at least one processor to; select a channel in a license-exempt frequency band shared by a cluster of user equipments that communicated on a cellular wireless network and devices that communicate on another wireless network that is different from the cellular wireless network, the apparatus being part of the cluster; determine which user equipment is to send a request message on the channel; determine which user equipment is to reply to the request message with a clear message; compile a contend-prepare message comprising an indication of the selected channel and indications of the user equipments to send request and clear messages for transmission of the contend-prepare message on a cellular band of the cellular wireless network; and send the contend-prepare message to the plurality of user equipments in the cluster. - View Dependent Claims (16, 17, 18, 19)
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20. A non-transitory computer readable memory encoded with computer-readable instructions that, when executed by one of a plurality of user equipments in a cluster, cause the one of the plurality of user equipments to perform a method of coordinating use of a shared band by devices in two different wireless networks, the method comprising:
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for the plurality of user equipments in the cluster and that communicate on a cellular wireless network; selecting a channel in a license-exempt frequency band shared by the cluster and devices that communicate on another wireless network that is different from the cellular wireless network; determining which user equipment is to send a request message on the channel; determining which user equipment is to reply to the request message with a clear message; compiling a contend-prepare message comprising an indication of the selected channel and indications of the user equipments to send request and clear messages for transmission of the contend-prepare message on a cellular band of the cellular wireless network; and sending the contend-prepare message to the plurality of user equipments in the cluster.
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Specification