Presence indication in a wireless communication system
AssigneeFujitsu Limited
InventorsMatthew WEBB, Timothy MOULSLEY, Yiwei FANG
Life of this patent
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Abstract
Embodiments of the present invention provide a new way for a UE to autonomously indicate to the network from which transmission points (TPs) it is able to receive certain broadcast signals. As an example, by receiving in a broadcast signal in the form of a synchronization sequence, the physical identity of a particular TP, a UE infers when it should, if it wishes, send on an UL an indication of its ability to receive the broadcast signal from that TP—i.e., an indication of its presence in the coverage of the TP. The network is then able to take suitable action in response to this, such as adjusting network coverage, enabling or disabling other broadcast channels and controlling paging.
Claims16
A transmission method for use in a wireless communication system comprising at least one terminal and at least one base station controlling at least two transmission points which may each be controlled to broadcast a first signal, wherein:
- one of the transmission points broadcasts the first signal;
- the terminal discovers said transmission point by receiving the first signal broadcast from said transmission point;
- the terminal thereafter transmits a second signal with at least one characteristic which depends on at least one characteristic of the received first signal;
- and
- the base station, upon a transmission point receiving the second signal from the terminal, enables a third signal to be broadcast from at least one transmission point.
(canceled)
A wireless communication system comprising at least one terminal and at least one base station controlling at least two transmission points which may each be controlled to broadcast a first signal, wherein;
- one of the transmission points is configured to broadcast the first signal;
- the terminal is configured to discover said transmission point by receiving the first signal broadcast from said transmission point;
- the terminal is configured thereafter to transmit a second signal with at least one characteristic which depends on a least one characteristic of the received first signal;
- and
- the base station is configured, upon a transmission point receiving the second signal point.
Dependencies are inferred from the claim text.