SIGNALING AND PROCEDURE DESIGN FOR CELLULAR CLUSTER CONTENDING ON LICENSE-EXEMPT BANDS
First Claim
Patent Images
1. A method comprising:
- for a plurality of user equipments in a cluster;
selecting a channel in a license-exempt frequency band;
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; and
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.
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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).
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Citations
20 Claims
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1. A method comprising:
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for a plurality of user equipments in a cluster; selecting a channel in a license-exempt frequency band; 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; and 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An apparatus comprising:
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a processing system comprising at least one processor and a memory storing a set of computer instructions, in which the processing system is arranged to; select a channel in a license-exempt frequency band; 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; and 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. - View Dependent Claims (16, 17, 18, 19)
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20. A computer readable memory encoded with a computer program comprising computer readable instructions recorded thereon which when executed results in actions comprising:
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for a plurality of user equipments in a cluster; selecting a channel in a license-exempt frequency band; 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; and 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.
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Specification