Abstract
A base station including a transmitting and receiving amplifier for amplifying CDMA signals exchanged with a mobile station; a radio stage connected to the transmitting and receiving amplifier for carrying out D/A conversion of a transmitted signal that undergoes baseband spreading followed by quadrature modulation and for carrying out quasi-coherent detection of a received signal followed by A/D conversion; a baseband signal processor connected with the radio stage for carrying out baseband signal processing of the transmitted signal and the received signal; a transmission interface connected with the baseband signal processor for implementing interface with external channels; and a base station controller for carrying out control such as management of radio channels and establishment and release of the radio channels. The base station communicates with the external channels by mapping logical channels into physical channels. The CDMA signals are spread using a short code and a long code.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 03/09/2011 | ISLD-201108-002 | NTT DOCOMO INC |
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No | Family Member | |||
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| 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | Yes | Basis Patent | ||||
Specification Information
Specification Information
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
| All Pending Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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S1
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No | Family Member | |||
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| KR20010006532A | 4G | 10/07/2019 | ISLD-201907-008 | NTT DOCOMO INC | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
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Technologies
Channel Arrangement/Coding
Product
Use Cases
Wireless communication
Services
Claim
1. A communication system having a plurality of sectors, supporting a plurality of radio channels, and transmitting signals through the radio channels, each sector comprising:
a generating unit that is structured to generate a downlink signal;
a spreading unit that is structured to spread the generated downlink signal by using a long code, wherein the spreading unit sets a phase of the long code by using a phase offset different from that of other sectors; and
a downlink transmitting unit that is structured to transmit the spread downlink signal at a frame transmission timing through a distinct radio channel, wherein the downlink transmitting unit sets the frame transmission timing by using a timing offset corresponding to the distinct radio channel and being different than the timing offset for at least one of the other of the plurality of radio channels;
the communication system further having a mobile terminal that comprises an uplink transmitting unit that is structured to transmit an uplink signal to at least one sector of the plurality of sectors;
wherein the uplink transmitting unit is structured to set a frame transmission timing of an uplink signal corresponding to the downlink signal transmitted by the downlink transmitting unit according to the timing offset of the downlink signal.', 'a generating unit that is structured to generate a downlink signal;', 'a spreading unit that is structured to spread the generated downlink signal by using a long code, wherein the spreading unit sets a phase of the long code by using a phase offset different from that of other sectors; and', 'a downlink transmitting unit that is structured to transmit the spread downlink signal at a frame transmission timing through a distinct radio channel, wherein the downlink transmitting unit sets the frame transmission timing by using a timing offset corresponding to the distinct radio channel and being different than the timing offset for at least one of the other of the plurality of radio channels;', 'the communication system further having a mobile terminal that comprises an uplink transmitting unit that is structured to transmit an uplink signal to at least one sector of the plurality of sectors;', 'wherein the uplink transmitting unit is structured to set a frame transmission timing of an uplink signal corresponding to the downlink signal transmitted by the downlink transmitting unit according to the timing offset of the downlink signal.
2. A communication system having a plurality of sectors, supporting a plurality of radio channels, and transmitting signals through the radio channels, each sector comprising:
a generating unit that is structured to generate a downlink signal;
a spreading unit that is structured to spread the generated downlink signal by using a long code, wherein the spreading unit sets a phase of the long code by using a phase offset different from that of other sectors; and
a downlink transmitting unit that is structured to transmit the spread downlink signal at a frame transmission timing through a distinct radio channel, wherein the downlink transmitting unit sets the frame transmission timing by using a timing offset corresponding to the distinct radio channel and being different than the timing offset for at least one of the other of the plurality of radio channels;
wherein the downlink transmitting unit is structured to transmit information about the timing offset of the downlink signal, the communication system further having a mobile terminal that comprises an uplink transmitting unit that is structured to transmit an uplink signal to at least one sector of the plurality of sectors;
wherein the uplink transmitting unit is structured to set the frame transmission timing of the uplink signal by using the information transmitted by the downlink transmitting unit.', 'a generating unit that is structured to generate a downlink signal;', 'a spreading unit that is structured to spread the generated downlink signal by using a long code, wherein the spreading unit sets a phase of the long code by using a phase offset different from that of other sectors; and', 'a downlink transmitting unit that is structured to transmit the spread downlink signal at a frame transmission timing through a distinct radio channel, wherein the downlink transmitting unit sets the frame transmission timing by using a timing offset corresponding to the distinct radio channel and being different than the timing offset for at least one of the other of the plurality of radio channels;', 'wherein the downlink transmitting unit is structured to transmit information about the timing offset of the downlink signal, the communication system further having a mobile terminal that comprises an uplink transmitting unit that is structured to transmit an uplink signal to at least one sector of the plurality of sectors;', 'wherein the uplink transmitting unit is structured to set the frame transmission timing of the uplink signal by using the information transmitted by the downlink transmitting unit.
3. A communication system having a plurality of sectors, supporting a plurality of radio channels, and transmitting signals through the radio channels, each sector comprising:
a generating unit that is structured to generate a downlink signal;
a spreading unit that is structured to spread the generated downlink signal by using a long code, wherein the spreading unit sets a phase of the long code by using a phase offset different from that of other sectors; and
a downlink transmitting unit that is structured to transmit the spread downlink signal at a frame transmission timing through a distinct radio channel, wherein the downlink transmitting unit sets the frame transmission timing by using a timing offset corresponding to the distinct radio channel and being different than the timing offset for at least one of the other of the plurality of radio channels;
the communication system further having a mobile terminal that comprises an uplink transmitting unit that is structured to transmit an uplink signal to at least one sector of the plurality of sectors;
wherein the uplink transmitting unit is structured to set a frame transmission timing of an uplink signal corresponding to the downlink signal transmitted by the downlink transmitting unit according to the timing offset of the downlink signal, the timing offset being measured at the mobile terminal.', 'a generating unit that is structured to generate a downlink signal;', 'a spreading unit that is structured to spread the generated downlink signal by using a long code, wherein the spreading unit sets a phase of the long code by using a phase offset different from that of other sectors; and', 'a downlink transmitting unit that is structured to transmit the spread downlink signal at a frame transmission timing through a distinct radio channel, wherein the downlink transmitting unit sets the frame transmission timing by using a timing offset corresponding to the distinct radio channel and being different than the timing offset for at least one of the other of the plurality of radio channels;', 'the communication system further having a mobile terminal that comprises an uplink transmitting unit that is structured to transmit an uplink signal to at least one sector of the plurality of sectors;', 'wherein the uplink transmitting unit is structured to set a frame transmission timing of an uplink signal corresponding to the downlink signal transmitted by the downlink transmitting unit according to the timing offset of the downlink signal, the timing offset being measured at the mobile terminal.']
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Patent number:US7672357B2
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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.