1. A total organic carbon measurement apparatus comprising:
a total organic carbon measurement unit including an organic matter oxidative decomposition unit that oxidizes organic matter in supplied sample water into carbon dioxide by ultraviolet irradiation, a carbon dioxide separation unit that moves the carbon dioxide in the sample water, which has gone through the organic matter oxidative decomposition unit, into measurement water composed of deionized water through a gas permeable membrane, and a detection unit that measures conductivity of the measurement water having gone through the carbon dioxide separation unit to obtain a carbon dioxide concentration, a flow line through which sample water flows in at least the carbon dioxide separation unit being a minute flow line formed in a chip;
a sample introducing unit including a flow line switching valve that can switch and connect a common port to each of a plurality of ports, a syringe connected to the common port of the flow line switching valve, a sample water collecting flow line that is connected to each of the plurality of ports and supplies the sample water, an acid adding flow line that supplies inorganic acid containing no carbon, a cleaning water flow line that supplies cleaning water, a TOC measurement flow line connecting to the organic matter oxidative decomposition unit, and a drain flow line opened to a drain, the syringe including a cylinder and a piston that slides inside the cylinder, the cylinder having a distal end connected to the common port, and a base end connected to a gas pipe that supplies a carrier gas containing no carbon component into the cylinder with the piston being retracted toward the base end of the cylinder; and
a control device including a measurement unit controller that controls a conductivity measuring operation of the total organic carbon measurement unit, a valve controller that controls an operation of the flow line switching valve, a syringe controller that controls an operation of the syringe, a sample introducing controller that controls an operation of the sample introducing unit via the valve controller and the syringe controller, a storage cleaning button for activating a storage cleaning means for instructing cleaning for storage with the acid adding flow line and the sample water collecting flow line being each set to suck pure water each from a pure water source and each of the flow lines is connected to a pure water source, and the storage cleaning means for performing cleaning and drying steps (A), (B) and (C) below via the valve controller and the syringe controller when storage cleaning is instructed from the storage cleaning button:
(A) an operation of sucking pure water from the acid adding flow line into the syringe and discharging the pure water from the drain flow line to clean the acid adding flow line, and then supplying the carrier gas from the gas pipe to the acid adding flow line by the syringe to dry the acid adding flow line;
(B) an operation of sucking pure water from the sample water collecting flow line into the syringe and discharging the pure water from the drain flow line to clean the sample water collecting flow line, and then supplying the carrier gas from the gas pipe to the sample water collecting flow line by the syringe to dry the sample water collecting flow line; and
(C) an operation of sucking cleaning water from the cleaning water flow line into the syringe and supplying the cleaning water from the TOC measurement flow line to the flow line through which the sample water flows in the organic matter oxidative decomposition unit to clean the flow line through which the sample water flows in the organic matter oxidative decomposition unit, and then supplying the carrier gas from the gas pipe to the flow line through which the sample water flows in the organic matter oxidative decomposition unit by the syringe to dry the flow line through which the sample water flows in the organic matter oxidative decomposition unit.
2. The total organic carbon measurement apparatus according to claim 1, wherein the acid adding flow line supplies phosphoric acid.
3. The total organic carbon measurement apparatus according to claim 2, wherein the storage cleaning means, the valve controller and syringe controller are programmed to perform the cleaning in the sequence, the step (A) is first performed, then one of the steps (B) and (C) is performed, and the other of the steps (B) and (C) is finally performed.
4. The total organic carbon measurement apparatus according to claim 1, an ultraviolet light provided in the oxidative decomposition unit.
5. The total organic carbon measurement apparatus according to claim 1, the storage means, the valve controller and the syringe controller are programmed to perform the cleaning in the sequence wherein in the step (C), after the flow line through which the sample water flows in the organic matter oxidative decomposition unit is cleaned, a distal end of the cleaning water flow line on a side of a cleaning water container is opened so that the flow line through which the sample water flows in the organic matter oxidative decomposition unit is dried and also the cleaning water flow line is cleaned.
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 method that facilitates controlling transmission in response to feedback in a wireless communication system, comprising:
using a set of unitary matrices, each of the unitary matrices being based upon a diagonal matrix and a Discrete Fourier Transform (DFT) matrix, wherein the set of unitary matrices includes a first cluster of unitary matrices, the first cluster of unitary matrices including a subset of the set of unitary matrices;
identifying a selected unitary matrix from the set of unitary matrices based upon a received index, wherein the selected unitary matrix corresponds to a channel unitary matrix derived by a mobile device from forward link channel estimations;
determining whether the selected unitary matrix is included in the first cluster of unitary matrices; and
modifying transmission over the forward link channel based upon the selected unitary matrix being included in the first cluster of unitary matrices;
wherein the modifying transmission over the forward link channel further comprises utilizing substantially equal transmission power for each transmit antenna based upon the selected unitary matrix.
2. The method of claim 1, wherein the modifying transmission over the forward link channel includes multiplying the selected unitary matrix by a transmit vector to yield a signal to transmit via the forward link channel.
3. The method of claim 1, wherein the method includes constructing each of the unitary matrices by multiplying the diagonal matrix by the DFT matrix.
4. The method of claim 3, wherein the diagonal matrix is associated with a random phase.
5. The method of claim 4, wherein the random phase is selected from a uniform random variable between 0 and 2\u03c0.
6. The method of claim 4, wherein the DFT matrix is a MT by L matrix, MT is a number of transmit antennas and L is a rank of space-time codes.
7. The method of claim 6, wherein the wireless communications system is a multiple-input multiple-output (MIMO) system.
8. The method of claim 1, wherein the set of unitary matrices is substantially similar to a set of unitary matrices employed by the mobile device from which the index is received.
9. The method of claim 8, wherein the index corresponds to a unitary matrix selected from the set of unitary matrices employed by the mobile device.
10. The method of claim 1, wherein the wireless communications system is at least one of a time division duplex (TDD) system and a frequency division duplex (FDD) system.
11. The method of claim 1, wherein the method includes effectuating beamforming based upon the selected unitary matrix.
12. The method of claim 1, wherein the set of unitary matrices includes a second cluster of unitary matrices, and wherein the method includes scheduling transmissions to other mobile devices based on the second cluster of matrices in response to a determination that the selected unitary matrix is included in the first cluster of unitary matrices, wherein the second cluster of unitary matrices is distinct from the first cluster of unitary matrices.
13. The method of claim 12, wherein the determination of whether the selected unitary matrix is included in the first cluster of unitary matrices is based on a value of the received index, wherein, when the value of the received index corresponds to a first index value, the selected unitary matrix corresponds to a randomly selected unitary matrix, and wherein, when the value of the received index corresponds to a second index value, the selected unitary matrix identifies one or more transmission beams associated with the first cluster of unitary matrices.
14. A wireless communications apparatus, comprising:
a memory that retains instructions for:
using a set of unitary matrices, each of the unitary matrices being based upon a diagonal matrix and a Discrete Fourier Transform (DFT) matrix, wherein the set of unitary matrices includes a first cluster of unitary matrices, the first cluster of unitary matrices including a subset of the set of unitary matrices;
identifying a selected unitary matrix from the set of unitary matrices based upon a received index, wherein the selected unitary matrix corresponds to a channel unitary matrix derived by a mobile device from forward link channel estimations;
determining whether the selected unitary matrix is included in the first cluster of unitary matrices; and
modifying transmission over the forward link channel based upon the selected unitary matrix being included in the first cluster of unitary matrices, wherein the controlling transmission includes utilizing substantially equal transmission power for each transmit antenna based upon the selected unitary matrix; and
a processor, coupled to the memory, configured to execute the instructions retained in memory.
15. The wireless communications apparatus of claim 14, wherein the memory includes instructions for multiplying the diagonal matrix by the DFT matrix to yield the unitary matrices, wherein the diagonal matrix is associated with a random phase, and wherein the DFT matrix is a MT by L matrix, MT is a number of transmit antennas and L is a rank of space-time codes.
16. The wireless communications apparatus of claim 14, wherein the set of unitary matrices includes a second cluster of unitary matrices, and wherein the method includes scheduling transmissions to other mobile devices based on the second cluster of matrices in response to a determination that the selected unitary matrix is included in the first cluster of unitary matrices, wherein the second cluster of unitary matrices is distinct from the first cluster of unitary matrices.
17. The wireless communications apparatus of claim 16, wherein the determination of whether the selected unitary matrix is included in the first cluster of unitary matrices is based on a value of the received index, wherein, when the value of the received index corresponds to a first index value, the selected unitary matrix corresponds to a randomly selected unitary matrix, and wherein, when the value of the received index corresponds to a second index value, the selected unitary matrix identifies one or more transmission beams associated with the first cluster of unitary matrices.
18. A wireless communications apparatus that constructs unitary matrices and controls transmission over a channel, comprising:
means for using a set of unitary matrices, each of the unitary matrices being based upon a diagonal matrix and a Discrete Fourier Transform (DFT) matrix, wherein the set of unitary matrices includes a first cluster of unitary matrices, the first cluster of unitary matrices including a subset of the set of unitary matrices;
means for identifying a selected unitary matrix from the set of unitary matrices based upon a received index, wherein the selected unitary matrix corresponds to a channel unitary matrix derived by a mobile device from forward link channel estimations;
determining whether the selected unitary matrix is included in the first cluster of unitary matrices; and
means for modifying transmission over the forward link channel based upon the selected unitary matrix being included in the first cluster of unitary matrices;
wherein the means for modifying transmission over the forward link channel utilizes substantially equal transmission power for each transmit antenna based upon the selected unitary matrix.
19. The wireless communications apparatus of claim 18, wherein the means for modifying transmission over the forward link channel is configured to multiply the selected unitary matrix with a transmit vector to yield a signal for transmission over the forward link channel.
20. The wireless communications apparatus of claim 18, wherein the set of unitary matrices includes a second cluster of unitary matrices, and wherein the method includes scheduling transmissions to other mobile devices based on the second cluster of matrices in response to a determination that the selected unitary matrix is included in the first cluster of unitary matrices, wherein the second cluster of unitary matrices is distinct from the first cluster of unitary matrices.
21. The wireless communications apparatus of claim 20, wherein the determination of whether the selected unitary matrix is included in the first cluster of unitary matrices is based on a value of the received index, wherein, when the value of the received index corresponds to a first index value, the selected unitary matrix corresponds to a randomly selected unitary matrix, and wherein, when the value of the received index corresponds to a second index value, the selected unitary matrix identifies one or more transmission beams associated with the first cluster of unitary matrices.
22. A machine-readable non-transitory medium having stored thereon machine-executable instructions for:
using a set of unitary matrices, each of the unitary matrices being based upon a diagonal matrix and a Discrete Fourier Transform (DFT) matrix, wherein the set of unitary matrices includes a first cluster of unitary matrices, the first cluster of unitary matrices including a subset of the set of unitary matrices;
identifying a selected unitary matrix from the set of unitary matrices based upon a received index, wherein the selected unitary matrix corresponds to a channel unitary matrix derived by a mobile device from forward link channel estimations;
determining whether the selected unitary matrix is included in the first cluster of unitary matrices; and
modifying transmission over the forward link channel based upon the selected unitary matrix being included in the first cluster of unitary matrices, wherein the modifying the transmission includes utilizing substantially equal transmission power for each transmit antenna based upon the selected unitary matrix.
23. The machine-readable medium of claim 22, wherein the set of unitary matrices includes N unitary matrices, where N is an integer.
24. The machine-readable medium of claim 22, wherein the set of unitary matrices includes a second cluster of unitary matrices, and wherein the method includes scheduling transmissions to other mobile devices based on the second cluster of matrices in response to a determination that the selected unitary matrix is included in the first cluster of unitary matrices, wherein the second cluster of unitary matrices is distinct from the first cluster of unitary matrices.
25. The machine-readable medium of claim 24, wherein the determination of whether the selected unitary matrix is included in the first cluster of unitary matrices is based on a value of the received index, wherein, when the value of the received index corresponds to a first index value, the selected unitary matrix corresponds to a randomly selected unitary matrix, and wherein, when the value of the received index corresponds to a second index value, the selected unitary matrix identifies one or more transmission beams associated with the first cluster of unitary matrices.
26. In a wireless communication system, an apparatus comprising:
a processor configured to:
use a codebook that includes a set of unitary matrices, each of the unitary matrices being based upon a diagonal matrix and a Discrete Fourier Transform (DFT) matrix, wherein the codebook includes a first cluster of unitary matrices, the first cluster of unitary matrices including a subset of the set of unitary matrices;
identify a selected unitary matrix from the set of unitary matrices based upon a received index, wherein the selected unitary matrix corresponds to a channel unitary matrix derived by a mobile device from forward link channel estimations;
determine whether the selected unitary matrix is included in the first cluster of unitary matrices; and
modify transmission over the forward link channel based upon the selected unitary matrix being included in the first cluster of unitary matrices;
wherein the processor configured to modify transmission is further configured to utilize substantially equal transmission power for each transmit antenna based upon the selected unitary matrix.
27. The apparatus of claim 26, wherein the set of unitary matrices includes a second cluster of unitary matrices, and wherein the method includes scheduling transmissions to other mobile devices based on the second cluster of matrices in response to a determination that the selected unitary matrix is included in the first cluster of unitary matrices, wherein the second cluster of unitary matrices is distinct from the first cluster of unitary matrices.
28. The apparatus of claim 27, wherein the determination of whether the selected unitary matrix is included in the first cluster of unitary matrices is based on a value of the received index, wherein, when the value of the received index corresponds to a first index value, the selected unitary matrix corresponds to a randomly selected unitary matrix, and wherein, when the value of the received index corresponds to a second index value, the selected unitary matrix identifies one or more transmission beams associated with the first cluster of unitary matrices.