Abstract
A communication system (100) includes a forward link (106) from a base station (102) to multiple mobile units (104) the forward link having multiple shared channels (SHCHs) (109) multiple shared control channels (SHCCHs) (108) and multiple dedicated pointer control channels (DPTRCHs) (107) and utilizes HARQ error control for error detection and error correction. The mobile unit when listening to the DPTRCH uses a SHCCH pointed to by the DPTRCH to demodulate and decode data on the SHCH. Throughput problems may arise when the mobile unit combines and decodes the SHCH data that is intended for a different mobile unit or incorrectly decodes SHCH data that is intended for the mobile unit. In order to improve the data throughput of the system the system employs a flush test (902 904 1004 1008) and an energy detector test (1100 1202) to prevent improperly decoded data blocks from corrupting properly decoded data blocks.
A communication system (100) includes a forward link (106) from a base station (102) to multiple mobile units (104) the forward link having multiple shared channels (SHCHs) (109) multiple shared control channels (SHCCHs) (108) and multiple dedicated pointer control channels (DPTRCHs) (107) and utilizes HARQ error control for error detection and error correction. The mobile unit when listening to the DPTRCH uses a SHCCH pointed to by the DPTRCH to demodulate and decode data on the SHCH. Throughput problems may arise when the mobile unit combines and decodes the SHCH data that is intended for a different mobile unit or incorrectly decodes SHCH data that is intended for the mobile unit. In order to improve the data throughput of the system the system employs a flush test (902 904 1004 1008) and an energy detector test (1100 1202) to prevent improperly decoded data blocks from corrupting properly decoded data blocks.
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| 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| 4G | 04/02/2020 | ISLD-202001-033 | GOOGLE INC |
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Specification Information
Specification Information
Technologies
Family Information
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| US2002145985A1 | 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| US2002145985A1 | 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| US2002145985A1 | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| US2002145985A1 | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| US7158482B2 | 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| US7158482B2 | 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| US7158482B2 | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| US7158482B2 | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| KR100699401B1 | 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| KR100699401B1 | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| KR20030075183A | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| AT483294T | 4G | 16/12/2010 | ISLD-201101-007 | MOTOROLA INC |
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| AU2002250037A1 | 4G | 13/10/2019 | ISLD-201910-013 | GOOGLE INC |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Channel Arrangement/Coding
Product
Use Cases
Wireless communication
Services
Claim
1. A method for receiving data in a wireless communication system comprising steps of: receiving shared channel data over a shared channel; storing the received shared channel data to produce stored shared channel data; receiving shared control channel data over a shared control channel; decoding the received shared control channel data to produce decoded shared control channel data; determining whether the decoded shared control channel data differs from previously received shared control channel data; and when the decoded shared control channel data differs from previously received shared control channel data, dispensing with at least one of the decoded shared control channel data and the stored shared channel data.
2. The method of claim 1 , wherein the step of determining whether the decoded shared control channel data differs from previously received shared control channel data comprises a steps of determining whether a decoding error has occurred with respect to the decoded shared control channel data and, when no decoding error is determined to have occurred with respect to the decoded shared control channel data, determining whether the decoded shared control channel data differs from previously received shared control channel data, and wherein the method further comprises steps of: when a decoding error is determined to have occurred with respect to the received shared control channel data, performing an error detection test on the received shared control channel data; when the error detection test detects an error, ignoring the received shared control channel data.
3. The method of claim 1, wherein the data received over the shared control channel comprises a frame, wherein the step of determining whether the decoded shared control channel data differs from previously received shared control channel data comprises a step of determining whether the decoded shared control channel frame differs from a previously received shared control channel frame, and wherein the step of dispensing comprises a step of, when the decoded shared control channel frame differs from a previously received shared control channel frame, purging the stored shared channel data.
4. The method of claim 1, wherein the data received over the shared control channel comprises a frame, wherein the step of determining whether the decoded shared control channel data differs from previously received shared control channel data comprises a step of determining whether the decoded shared control channel frame differs from one or more frames of a plurality of previously received shared control channel frames, and wherein the step of dispensing comprises a step of, when the decoded shared control channel frame differs from the one or more frames of the plurality of previously received shared control channel frames, ignoring the decoded shared control channel frame.
5. A method for receiving data in a wireless communication system comprising steps of: receiving data over a control channel to produce received data; determining an energy metric for the received data; comparing the determined energy metric to a threshold; and ignoring the received data when the energy metric compares unfavorably with the threshold.
6. A communication device comprising: a receiver that receives shared control channel data over a shared control channel and shared channel data over a shared channel; a memory that stores previously received shared control channel data and further stores previously received shared channel data to produce stored shared channel data; and a processor operably coupled to each of the receiver and the memory that decodes the received shared control channel data to produce decoded shared control channel data, determines whether the decoded shared control channel data differs from previously received shared control channel data, and when the decoded shared control channel data differs from previously received shared control channel data, dispenses with at least one of the decoded shared control channel data and the stored shared channel data.
7. The communication device of claim 6, wherein the data received over the shared control channel comprises a shared control channel frame, wherein the determination, by the processor, of whether the decoded shared control channel data differs from previously received shared control channel data comprises determining whether the decoded shared control channel frame differs from a previously received shared control channel frame, and wherein the processor purges the stored shared channel data when the decoded shared control channel frame differs from a previously received shared control channel frame.
8. The communication device of claim 6, wherein the data received over the shared control channel comprises a shared control channel frame, wherein the determination, by the processor, of whether the decoded shared control channel data differs from previously received shared control channel data comprises determining whether the decoded shared control channel frame differs from one or more frames of a plurality of previously received shared control channel frames, and wherein the processor ignores the decoded shared control channel frame when the decoded shared control channel frame differs from the one or more frames of the plurality of previously received shared control channel frames.
9. The communication device of claim 6, wherein the determination, by the processor, of whether the decoded shared control channel data differs from previously received shared control channel data comprises determining whether a decoding error has occurred with respect to the decoded shared control channel data and, when no decoding error is determined to have occurred with respect to the decoded shared control channel data, determining whether the decoded shared control channel data differs from previously received shared control channel data, and wherein the processor further performs an error detection test on the received shared control channel data when a decoding error is determined to have occurred with respect to the received shared control channel data and, when the error detection test detects an error, ignores the received shared control channel data
10. A communication device comprising: a receiver that receives data over a control channel to produce received data; and a processor operably coupled to the receiver that determines an energy metric for the received data, compares the determined energy metric to a threshold, and ignores the received data when the energy metric compares unfavorably with the threshold.']
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.