1. A terminal apparatus comprising:
a receiver that receives control information related to a sequence in one of multiple groups, into which sequences for each of multiple sequence lengths having at least two different lengths are divided; and
a transmitter that transmits a reference signal, which is generated using the sequence in one of the multiple groups based on the control information,
wherein a first respective predefined number of sequence(s) contained in a first group of the multiple groups into which sequences having a first sequence length are divided is less than a second respective predefined number of sequences contained in a second group of the multiple groups into which sequences having a second sequence length are divided where the first sequence length is less than a threshold value and the second sequence length is greater than or equal to the threshold value.
2. The terminal apparatus according to claim 1, wherein each of the multiple groups contains a respective predefined number of sequence(s), and each respective predefined number depends on the sequence lengths.
3. The terminal apparatus according to claim 1, wherein each of the multiple groups contains a respective predefined number of sequence(s), and each respective predefined number varies depending on the sequence lengths.
4. The terminal apparatus according to claim 1, wherein the control information identifies the sequence in one of the multiple groups.
5. The terminal apparatus according to claim 1, wherein the control information identifies one of the multiple groups.
6. The terminal apparatus according to claim 1, wherein the reference signal has one of at least two different lengths.
7. The terminal apparatus according to claim 1, wherein the sequences for one sequence length of the reference signal are divided into the multiple groups.
8. The terminal apparatus according to claim 1, wherein each of the multiple groups for one sequence length contains the same number of the sequence(s).
9. The terminal apparatus according to claim 1, wherein one of the multiple groups is assigned to the terminal depending on a cell.
10. The terminal apparatus according to claim 1, wherein the sequence is a Zadoff-Chu sequence.
11. The terminal apparatus according to claim 1, wherein the sequences include multiple cyclically shifted sequences derived from a sequence through different cyclic shift values.
12. The terminal apparatus according to claim 1, wherein the sequences for each sequence length are divided into a number of the multiple groups, and the number is constant regardless of the sequence length.
13. A communication method comprising:
receiving, at a terminal apparatus, control information related to a sequence in one of multiple groups, into which sequences for each of multiple sequence lengths having at least two different lengths are divided; and
transmitting, from the terminal apparatus, a reference signal, which is generated using the sequence in one of the multiple groups based on the control information,
wherein a first respective predefined number of sequence(s) contained in a first group of the multiple groups into which sequences having a first sequence length are divided is less than a second respective predefined number of sequences contained in a second group of the multiple groups into which sequences having a second sequence length are divided where the first sequence length is less than a threshold value and the second sequence length is greater than or equal to the threshold value.
14. The communication method according to claim 13, wherein each of the multiple groups contains a respective predefined number of sequence(s), and each respective predefined number depends on the sequence lengths.
15. The communication method according to claim 13, wherein each of the multiple groups contains a respective predefined number of sequence(s), and each respective predefined number varies depending on the sequence lengths.
16. The communication method according to claim 13, wherein the control information identifies the sequence in one of the multiple groups.
17. The communication method according to claim 13, wherein the control information identifies one of the multiple groups.
18. The communication method according to claim 13, wherein the reference signal has one of at least two different lengths.
19. The communication method according to claim 13, wherein the sequences for one sequence length of the reference signal are divided into the multiple groups.
20. The communication method according to claim 13, wherein each of the multiple groups for one sequence length contains the same number of the sequence(s).
21. The communication method according to claim 13, wherein one of the multiple groups is assigned to the terminal apparatus depending on a cell.
22. The communication method according to claim 13, wherein the sequence is a Zadoff-Chu sequence.
23. The communication method according to claim 13, wherein the sequences include multiple cyclically shifted sequences derived from a sequence through different cyclic shift values.
24. The communication method according to claim 13, wherein the sequences for each sequence length are divided into a number of the multiple groups, and the number is constant regardless of the sequence length.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A silicon structure, comprising:
a base; and
a plurality of fibrous projections, which are made of amorphous silicon dioxide, the fibrous projections being directly joined to a silicon-made surface of the base,
wherein the fibrous projections are curved and formed as entwined with one another, and each of the fibrous projections branches out from itself.
2. The silicon structure according to claim 1, wherein the fibrous projections are covalently bonded to the silicon-made surface of the base.
3. The silicon structure according to claim 1, wherein a length of the fibrous projections is not smaller than 1 \u03bcm and not larger than 200 \u03bcm.
4. The silicon structure according to claim 1, wherein a spacing between the fibrous projections is not smaller than 1 \u03bcm and not larger than 10 \u03bcm.
5. The silicon structure according to claim 1, wherein a thickness of the fibrous projections is not smaller than 0.01 \u03bcM and not larger than 1 \u03bcm.
6. The silicon structure according to claim 1, wherein a spacing between the fibrous projections is not smaller than 1 \u03bcm and not larger than 10 \u03bcm.
7. A method for manufacturing a silicon structure, comprising:
a first step of forming a seed layer made of an organic polymer in an arbitrary area on a silicon-made surface of a base; and
a second step of heating the base in an oxygen atmosphere, to form a plurality of fibrous projections made of silicon dioxide in the area where the seed layer is formed.
8. The method for manufacturing a silicon structure according to claim 7, wherein the seed layer is formed by CVD in which at least any gas among CF4, CHF3, C2F6, C3F8 and C4F8 is decomposed in plasma and then laminated.
9. A sensor chip, comprising:
a thin plate having a conduction hole; and
a frame body arranged on the thin plate, wherein
a cell capturing face of the thin plate is formed of a silicon dioxide layer, and the frame body is formed of a silicon layer, and
a plurality of fibrous projections made of silicon dioxide are directly joined to an inner wall of the frame body.
10. A sensor chip, comprising:
a thin plate having a conduction hole; and
a frame body arranged on the thin plate, wherein
the thin plate is made of a laminated body of a silicon layer and a silicon dioxide layer formed on the silicon layer, and
a plurality of fibrous projections made of silicon dioxide are directly joined to an under surface of the silicon layer.
11. The sensor chip according to claim 10, wherein the silicon dioxide layer forms a cell capturing face.
12. The sensor chip according to claim 10, wherein the fibrous projections are formed at a predetermined spacing from a lead-out port of the conduction hole, so as to surround a periphery of the lead-out port.