Abstract
The embodiments of the present invention discloses a method for generating training sequence in channel estimation including dynamically determining the length of the channel impulse response of each subscriber respectively according to a real number of subscribers at a specific time burst and/or a channel estimation state of each subscriber prior to a specific time burst; generating a training sequence for each subscriber respectively from a basic code according to the length of the channel impulse response of each subscriber; and allocating the training sequence to each subscriber at the specific time burst. The embodiments of the invention can obtain better effect of channel estimation thereby decreasing code error rate enhancing quality of receiving signal in the system and improving communication performance.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
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| CN1146156C | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | Yes | Basis Patent | ||||
| CN1146156C | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | Yes | Basis Patent | ||||
| CN1327312A | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | Yes | Basis Patent | ||||
| CN1327312A | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | Yes | Basis Patent | ||||
| AU8949801A | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| AU8949801A | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| EP1300969A1 | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| EP1300969A1 | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| EP1300969A4 | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
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| JP2004503985A | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| JP2004503985A | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| US2004032849A1 | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| US2004032849A1 | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| WO0197419A1 | 3G | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| WO0197419A1 | Not Available | 28/08/2005 | ISLD-200509-005 | HUAWEI | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Power Control
Product
Use Cases
Wireless communication
Services
Claim
1. A method for generating training sequence in channel estimation, comprising:
dynamically determining offsets of training sequences from a basic code for each of a plurality of subscribers respectively, according to at least one of (1) a number of subscribers at a specific time burst or (2) a real-time channel estimation state of each subscriber;
generating training sequences for each of the plurality of subscribers respectively from a basic code according to the determined offset of each subscriber; and
allocating the training sequences to each subscriber at the specific time burst or directly allocating the offsets to each subscriber at the specific time burst.', 'dynamically determining offsets of training sequences from a basic code for each of a plurality of subscribers respectively, according to at least one of (1) a number of subscribers at a specific time burst or (2) a real-time channel estimation state of each subscriber;', 'generating training sequences for each of the plurality of subscribers respectively from a basic code according to the determined offset of each subscriber; and', 'allocating the training sequences to each subscriber at the specific time burst or directly allocating the offsets to each subscriber at the specific time burst.
2. The method according to claim 1, further comprising:
making the minimum difference between the offsets of two generated training sequences as big as possible.', 'making the minimum difference between the offsets of two generated training sequences as big as possible.
3. The method according to claim 1, wherein the basic code is non-cyclic basic code or cyclic basic code.
4. The method according to claim 1, further comprising:
if the number of simultaneously working subscribers M is equal or less than the maximum number of simultaneously working subscribers K, taking âx94x94P/Mâx94x98 as the offset of each subscriber, where P represents the length of the basic code; and
accordingly changing the offset along with the changing of the number of subscribers.', 'if the number of simultaneously working subscribers M is equal or less than the maximum number of simultaneously working subscribers K, taking âx94x94P/Mâx94x98 as the offset of each subscriber, where P represents the length of the basic code; and', 'accordingly changing the offset along with the changing of the number of subscribers.
5. The method according to claim 1, further comprising:
setting several subscribers number levels, wherein each level corresponds to a kind of subscribers number situation, and
allocating each subscribers number level with a fixed offset, which is longer for levels with less numbers of subscribers.', 'setting several subscribers number levels, wherein each level corresponds to a kind of subscribers number situation, and', 'allocating each subscribers number level with a fixed offset, which is longer for levels with less numbers of subscribers.
6. The method according to claim 1, further comprising:
during working, according to the different channel delay spread of each subscriber, re-adjusting each subscriber offset by a network, to make a subscriber with a smaller channel delay spread occupy a smaller offset and a subscriber with a larger channel delay spread occupy a larger offset; and
taking the position of a withdrawn subscriber by a newly added subscriber if a subscriber withdraws.', 'during working, according to the different channel delay spread of each subscriber, re-adjusting each subscriber offset by a network, to make a subscriber with a smaller channel delay spread occupy a smaller offset and a subscriber with a larger channel delay spread occupy a larger offset; and', 'taking the position of a withdrawn subscriber by a newly added subscriber if a subscriber withdraws.
7. The method according to claim 1, wherein the process of generating training sequences for subscribers respectively from a basic code according to the determined offset of each subscriber comprises:
generating training sequences according to a maximum number of subscribers from a basic code; and
selecting the training sequences for subscribers respectively from the generated training sequences according to the offsets of the subscribers.', 'generating training sequences according to a maximum number of subscribers from a basic code; and', 'selecting the training sequences for subscribers respectively from the generated training sequences according to the offsets of the subscribers.']
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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.