1. A method for transmitting a signal in a wireless communication system, the method comprising:
allocating a radio resource for transmitting a signal; and
transmitting the signal to a destination station by using the radio resource,
wherein the radio resource includes a plurality of symbols in a time domain, at least two symbols among the plurality of symbols include a guard time for switching transmission and reception of a signal,
and the radio resource includes a partial symbol which is a radio resource other than the guard time in the symbol including the guard time.
2. The method of claim 1, wherein the destination station is a relay station or a base station.
3. The method of claim 1, wherein the symbol is an orthogonal frequency division multiplexing (OFDM) symbol.
4. The method of claim 1, wherein the symbol including the guard time is a first symbol or a last symbol of a subframe.
5. The method of claim 4, wherein some pieces of data of whole symbol data are allocated to a partial symbol other than the guard time in the first symbol or the last symbol.
6. The method of claim 5, wherein the partial symbol other than the guard time in the first symbol includes a rear part of the whole symbol data, and a partial symbol other than the guard time in the second symbol includes a front part of the whole symbol data.
7. The method of claim 5, wherein if the radio resource is a subframe, a single symbol is configured by combining the partial symbol other than the guard time in the first symbol and the partial symbol other than the guard time in the last symbol, and a last symbol index of the subframe is assigned to the single symbol.
8. The method of claim 7, wherein a symbol index of a second symbol is assigned to 0 in the subframe, and symbol indices are assigned in an ascending order to symbols subsequent to the second symbol.
9. The method of claim 1, wherein a short block is allocated to the partial symbol, when the short block denotes a resource block having a shorter length in a time domain and a wider subcarrier spacing in a frequency domain than those of a resource block allocated to a symbol not including the guard time.
10. The method of claim 9, wherein the short block has a \xbd length in the time domain and a double subcarrier spacing in the frequency domain in comparison with the resource block allocated to the symbol not including the guard time.
11. The method of claim 9, wherein in the short block allocated to the partial symbol, at least one subcarrier located in an edge of the frequency domain of the short block is unused in signal transmission.
12. An apparatus comprising:
a radio frequency (RF) unit transmitting and receiving a radio signal; and
a processor coupled to the RF unit,
wherein the processor is configured for allocating a radio resource for transmitting a signal and transmitting the signal to a destination station by using the radio resource, wherein the radio resource includes a plurality of symbols in a time domain, at least two symbols among the plurality of symbols include a guard time for transmission and reception switching of a signal, and the radio resource includes a partial symbol which is a radio resource other than the guard time in the symbol including the guard time.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
We claim:
1. A method for providing therapy in an implantable medical device, comprising:
detecting a tachycardia event;
determining a characteristic of the detected tachycardia event; and
selecting a hierarchy of therapies to treat the detected tachycardia event in response to the determined characteristic.
2. The method of claim 1, further comprising:
applying a therapy corresponding to the selected hierarchy of therapies;
determining whether the applied therapy terminates the detected tachycardia event;
storing historical effectiveness of the applied therapy; and
updating the selected hierarchy of therapies in response to the stored historical effectiveness.
3. The method of claim 1, wherein the characteristic includes at least one of a cycle length of the tachycardia, a morphology of the tachycardia, a metric of suddenness of onset of the tachycardia, a metric of decline of arterial pressure and a metric of decline of cerebral perfusion.
4. The method of claim 1, wherein determining the characteristic of the tachycardia event comprises:
comparing the characteristic to a corresponding characteristic template;
computing a degree of resemblance between the characteristic and the corresponding characteristic template; and
determining that the characteristic matches the corresponding characteristic template in response to the degree of resemblance exceeding a predetermined threshold, and wherein selecting a hierarchy of therapies comprises selecting a hierarchy associated with the corresponding characteristic template in response to determining that the characteristic matches the corresponding characteristic template.
5. The method of claim 1, wherein determining the characteristic of the tachycardia event comprises:
comparing the characteristic to a corresponding characteristic template;
computing a degree of resemblance between the characteristic and the corresponding characteristic template; and
determining that the characteristic does not match the corresponding characteristic template in response to the degree of resemblance being less than or equal to a predetermined threshold, and wherein selecting a hierarchy of therapies comprises selecting a default hierarchy in response to determining that the characteristic does not match the corresponding characteristic template.
6. The method of claim 1, wherein the therapies in the hierarchy include one of anti-tachycardia pacing therapies and cardioversion therapies.
7. The method of claim 2, further comprising determining whether the applied therapy accelerates the tachycardia event.
8. The method of claim 1, wherein the hierarchy of therapies corresponds to a single therapy.
9. An implantable medical device, comprising:
a plurality of electrodes detecting a tachycardia event;
a processor determining a characteristic of the detected tachycardia event and selecting a hierarchy of therapies to treat the detected tachycardia event in response to the determined characteristic.
10. The implantable medical device of claim 9, further comprising a storage device, wherein the processor applies a therapy, via the plurality of electrodes, corresponding to the selected hierarchy of therapies, determines whether the applied therapy terminates the detected tachycardia event, stores historical effectiveness of the applied therapy in the storage device, and updates the selected hierarchy of therapies in response to the stored historical effectiveness.
11. The implantable medical device of claim 9, wherein the characteristic includes at least one of a cycle length of the tachycardia, a morphology of the tachycardia, a metric of suddenness of onset of the tachycardia, a metric of decline of arterial pressure and a metric of decline of cerebral perfusion.
12. The implantable medical device of claim 9, wherein the processor compares the characteristic to a corresponding characteristic template, computes a degree of resemblance between the characteristic and the corresponding characteristic template, and determines that the characteristic matches the corresponding characteristic template in response to the degree of resemblance exceeding a predetermined threshold, and wherein the processor selects a hierarchy associated with the corresponding characteristic template in response to determining that the characteristic matches the corresponding characteristic template.
13. The implantable medical device of claim 9, wherein the processor compares the characteristic to a corresponding characteristic template, computes a degree of resemblance between the characteristic and the corresponding characteristic template, and determines that the characteristic does not match the corresponding characteristic template in response to the degree of resemblance being less than or equal to a predetermined threshold, and wherein the processor selects a default hierarchy in response to determining that the characteristic does not match the corresponding characteristic template.
14. The implantable medial device of claim 9, wherein the therapies in the hierarchy include one of anti-tachycardia pacing therapies and cardioversion therapies.
15. The implantable medical device of claim 10, wherein the processor determines whether the applied therapy accelerates the tachycardia event.
16. The implantable medical device of claim 9, wherein the hierarchy of therapies corresponds to a single therapy.
17. A computer-readable medium comprising instructions for causing a programmable processor to:
detect a tachycardia event;
determine a characteristic of the detected tachycardia event; and
select a hierarchy of therapies to treat the detected tachycardia event in response to the determined characteristic.
18. An implantable medical device comprising:
means for detecting a tachycardia event;
means for determining a characteristic of the detected tachycardia event; and
means for selecting a hierarchy of therapies to treat the detected tachycardia event in response to the determined characteristic.