Abstract
A method in a wireless terminal transceiver includes receiving a sequence of frames from a first base station wherein each frame in the sequence contains a first set of time-frequency resources which may be used for scheduling data and a second set of time-frequency resources not used for scheduling data. The transceiver also receives a message from the first base station identifying a third set of time-frequency resources that is a subset of the first set of time-frequency resources and estimates the channel state based on the transmission received in the third set of time-frequency resources.
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| 4G | 16/04/2012 | ISLD-201203-012 | MOTOROLA INC |
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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Interference Mitigation Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method in a wireless terminal transceiver, the method comprising:', 'receiving, at the wireless terminal transceiver, a sequence of frames from a first base station,', 'each frame in the sequence containing a first set of time-frequency resources which may be used for scheduling data and a second set of time-frequency resources not used for scheduling data;', 'receiving, at the wireless terminal transceiver, a message from the first base station identifying a third set of time-frequency resources that is a subset of the first set of time-frequency resources;', 'estimating the channel state based on the transmission received in the third set of time-frequency resources.
2. The method of claim 1, wherein estimating the channel state comprises estimating a reference signal received power (RSRP) of the first base station.
3. The method of claim 1 further comprising,', 'estimating interference based on the signal received in the third set of time-frequency resources;', 'determining a signal to interference ratio (SIR) metric based on the estimate of the channel state and the interference.
4. The method of Claim 3, wherein the SIR metric is selected from a group comprising: a reference signal received quality (RSRQ); a reference signal - signal to interference and noise ratio (RS-SINR); a channel quality indication (CQI); and a hypothetical physical control channel (PDCCH) block error rate. Atty. Docket No. CS37352
5. The method of claim 1 further comprising:', 'receiving, at the wireless terminal transceiver, a sequence of frames from a second base station that coincide with the third set of time-frequency resources;', 'estimating a channel state based on measuring the sequence of frames from the second base station.
6. The method of claim 5, wherein estimating the channel state comprises estimating a reference signal received power (RSRP) of the second base station.
7. The method of claim 5 further comprising,', 'measuring interference based on the received signal in the third set of time-frequency resources;', 'determining a signal to interference ratio (SIR) metric based on the estimate of the channel state and the interference.
8. The method of Claim 7 wherein the SIR metric is selected from a group comprising: a reference signal received quality (RSRQ); a reference signal - signal to interference and noise ratio (RS-SINR); a channel quality indication (CQI); and a hypothetical physical control channel (PDCCH) block error rate.
9. The method of Claim 1 further comprising sending a message to a serving base station including at least one of a RSRP or a SIR metric
10. The method of Claim 3 further comprising reselecting to a cell on another carrier frequency or on a radio access technology different from that of a serving base station if the SIR metric is below a threshold. Atty. Docket No. CS3735211. The method according to claim 1, wherein the time-frequency resources are symbol durations, time-slots, subframes or frames
12. The method according to claim 1, wherein receiving the message from the first base station identifying a third set of time-frequency resources includes receiving the message in response to transmitting a measurement report indicating the presence of a second base station
13. A method in a wireless communication entity, the method comprising:', 'receiving, at the entity, an identifier of a first base station; determining a set of time frequency resources based on the identifier of the first base station; and', 'transmitting or receiving on time frequency resources that do not overlap the time frequency resources determined based on the identifier of first the base station
14. The method according to Claim 13, wherein determining the set of time frequency resources based on the identifier of the first base station includes applying a function mapping one or more parameters to a set of time frequency resources, one of the one or more parameters being the identifier of the first base station, and', 'determining, as a result of applying the function, a set of time frequency resources corresponding to the identifier of the first base station
15. The method according to Claim 13, wherein transmitting and receiving on the time frequency resources that do not overlap the time frequency resources determined based on the identifier of the first base station includes Atty. Docket No. CS37352 determining the time frequency resources corresponding to a serving base station that overlap at least in part with the time frequency resources determined based on the identifier of the first base station,', 'transmitting information to or receiving information on time frequency resources that do not include the time frequency resources corresponding to the serving base station that overlap at least in part with the time frequency resources determined based on the identifier of the first base station.']
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.