Apparatus and Method for Direct Device-to-Device Communication in a Mobile Communication System
First Claim
1. A method, comprising:
- receiving at a mobile node at least one synchronization signal from a base station;
determining timing at the mobile node based on the at least one synchronization signal from the base station;
transmitting an uplink radio resource reservation request to the base station from the mobile node;
receiving from the base station an assignment of a radio resource dedicated for radio transmission to a remote node, the radio resource being within a band having a transmission power upper limit; and
transmitting a first data signal to the remote node on the radio resource based on the timing determined.
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Accused Products
Abstract
The invention concerns a method and an apparatus implementing the method. In the method at least one synchronization signal is received from a base station to a mobile node, which determining timing based on the at least one synchronization signal, for example, a group of orthogonal frequency division multiple access resource elements. The mobile node transmits an uplink radio resource reservation request to a base station. The mobile node receives from the base station an assignment of a radio resource dedicated for radio transmission to a remote node, the radio resource being within a band having a transmission power upper limit. The mobile node transmits a signal to the remote mobile node on the radio resource based on the timing determined.
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Citations
27 Claims
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1. A method, comprising:
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receiving at a mobile node at least one synchronization signal from a base station; determining timing at the mobile node based on the at least one synchronization signal from the base station; transmitting an uplink radio resource reservation request to the base station from the mobile node; receiving from the base station an assignment of a radio resource dedicated for radio transmission to a remote node, the radio resource being within a band having a transmission power upper limit; and transmitting a first data signal to the remote node on the radio resource based on the timing determined. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method, comprising:
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transmitting at least one synchronization signal to a mobile node; receiving a communication set-up request from the mobile node, the request comprising an identifier of a remote party, the identifier of the remote party being associated with a remote node; determining that the remote party uses the remote node, the remote node being served by the base station; receiving, at the base station, an uplink radio resource reservation request from the mobile node; and transmitting from the base station an assignment of a radio resource dedicated for radio transmission to the remote node, the radio resource being within a band having a transmission power upper limit. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. An apparatus, comprising:
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at least one radio frequency circuit configured to receive at least one synchronization signal from a base station, to determine timing based on the at least one synchronization signal from the base station, and to transmit a first data signal to a remote node on a radio resource based on the timing determined; and at least one processor configured to transmit an uplink radio resource reservation request to the base station, to receive from the base station an assignment of the radio resource dedicated for radio transmission to the remote node, the radio resource being within a band having a transmission power upper limit.
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23. A base station, comprising:
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at least one radio frequency circuit configured to transmit at least one synchronization signal to a mobile node; and at least one processor configured to receive a communication set-up request from the mobile node, the request comprising an identifier of a remote party, the identifier of the remote party being associated with a remote node, to determine that the remote party uses the remote node, the remote node being served by the base station, to receive an uplink radio resource reservation request from the mobile node, and to transmit an assignment of a radio resource dedicated for radio transmission to the remote node, the radio resource being within a band having a transmission power upper limit.
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24. A computer program comprising code adapted to cause the following when executed on a data-processing system:
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receiving at a mobile node at least one synchronization signal from a base station; determining timing at the mobile node based on the at least one synchronization signal from the base station; transmitting an uplink radio resource reservation request to the base station from the mobile node; receiving from the base station an assignment of a radio resource dedicated for radio transmission to a remote node, the radio resource being within a band having a transmission power upper limit; and transmitting a first data signal to the remote node on the radio resource based on the timing determined. - View Dependent Claims (25)
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26. A computer program comprising code adapted to cause the following when executed on a data-processing system:
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transmitting at least one synchronization signal to a mobile node; receiving a communication set-up request from the mobile node, the request comprising an identifier of a remote party, the identifier of the remote party being associated with a remote node; determining that the remote party uses the remote node, the remote node being served by the base station; receiving, at the base station, an uplink radio resource reservation request from the mobile node; and transmitting from the base station an assignment of a radio resource dedicated for radio transmission to the remote node, the radio resource being within a band having a transmission power upper limit. - View Dependent Claims (27)
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Specification