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Base station, terminal, band allocation method, and downlink data communication method
US8971260B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8971260-B2 |
| Application number | US-200913056615-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 3, 2009 |
| Priority date | Aug 4, 2008 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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Provided are a base station, a terminal, a band allocation method, and a downlink data communication method in which a mapping method for synchronization signals and report signals is implemented with high resource usage efficiency when a first system in which an independent single communication is allocated to a unit band co-exists with a second system in which a plurality of unit bands can be allocated to a single communication. In a base station (200), an OFDM signal generation unit (225) maps primary synchronization channel (P-SCH), secondary synchronization channel (S-SCH), primary broadcast channel (P-BCH), and dynamic broadcast channel (D-BCH), which can be decoded by both an LTE terminal and an LTE+ terminal, to some of a plurality of unit bands available to the station itself. The OFDM signal generation unit (225) also maps D-BCH+, which can be decoded only by an LTE+ terminal, to all of the plurality of unit bands to produce a multiplexed transmission signal. When the terminal which has transmitted terminal capability information is an LTE+ terminal, a control unit (265) transmits a band movement indication which indicates changes in the reception band to that terminal.
First claim
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The invention claimed is: 1. A user equipment that can communicate on a plurality of component carriers in a first system, the first system being different from a second system where another user equipment can communicate on a single component carrier of the plurality of component carriers, the user equipment comprising: a synchronizer configured to perform synchronization in a first component carrier out of the plurality of component carriers; and a receiver configured to, afte…
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Frequently asked questions
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- What does patent US8971260B2 cover?
- Provided are a base station, a terminal, a band allocation method, and a downlink data communication method in which a mapping method for synchronization signals and report signals is implemented with high resource usage efficiency when a first system in which an independent single communication is allocated to a unit band co-exists with a second system in which a plurality of unit bands can be…
- Who is the assignee on this patent?
- Nakao Seigo, Suzuki Hidetoshi, Nishio Akihiko, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification H04W72/53. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).