1. A method for receiving data, comprising:
(a) receiving a first data packet and a second data packet, the first data packet and the second data packet both corresponding to a portion of the data;
(b) combining the first data packet and the second data packet into a third data packet; and
(c) decoding the third data packet to obtain the portion of the data.
2. The method of claim 1, wherein the first data packet and the second data packet are encoded by a first puncturing matrix.
3. The method of claim 2, if decoding the third data packet failed, said method further comprising:
encoding the first data packet and the second data packet by a second puncturing matrix, wherein the code rate of the second puncturing matrix is lower than that of the first puncturing matrix.
4. The method of claim 2, if decoding the third data packet failed, said method further comprising:
transmitting a negative acknowledgement (NACK) packet;
counting a number of NACK packets received during a predetermined period; and
encoding the data by a second puncturing matrix if the number of the NACK packets is greater than a first predetermined number, wherein the code rate of the second puncturing matrix is lower than that of the first puncturing matrix.
5. The method of claim 4, if decoding the third data packet succeeded, said method further comprising:
transmitting an acknowledgement (ACK) packet;
counting a number of ACK packets received during a predetermined period; and
encoding the data by the first puncturing matrix if the number of the ACK packets is greater than a second predetermined number.
6. The method of claim 1, further comprising:
decoding the first data packet and the second data packet to obtain the portion of the data; and
transmitting an ACK packet if decoding the first data packet succeeded or decoding the second data packet succeeded.
7. The method of claim 1, further comprising:
decoding the first data packet and the second data packet to obtain the portion of the data; and
transmitting a NACK packet if decoding of the first data packet and the second data packet.
8. The method of claim 1, further comprising:
providing a first receiver and a second receiver; and
receiving the first data packet by the first receiver and receiving the second data packet by the second receiver during a predetermined period.
9. The method of claim 1, wherein the combining of the first data packet with the second data packet is achieved by implementing an algorithm of average diversity combining (ADC).
10. The method of claim 1, wherein the combining of the first data packet with the second data packet is achieved by implementing an algorithm of interleaving.
11. The method of claim 1, wherein the combining of the first data packet with the second data packet is achieved by combining a first block of the first data packet and a second block of the second data packet.
12. A wireless communication system, comprising:
a first communication device for transmitting a first data packet; and
a second communication device, comprising:
a receiving unit for receiving a second data packet and a third data packet, the second data packet and the third data packet being both identical to the first data packet;
a combiner for combining the second data packet and the third data packet into a fourth data packet; and
a decoder for decoding the fourth data packet.
13. The wireless communication system of claim 12, wherein the first communication device comprises:
an encoder for encoding a portion of a data into the first data packet by a first puncturing matrix.
14. The wireless communication system of claim 13, wherein the second communication device further comprises:
a transmitting unit for transmitting a negative acknowledgement (NACK) packet to the first communication device if decoding the fourth data packet failed.
15. The wireless communication system of claim 14, wherein the first communication device further comprises:
a counter for counting a number of NACK packets;
wherein if the number of NACK packets is greater than a first predetermined number, the encoder of the first communication device encodes the data by a second puncturing matrix, the code rate of the second puncturing matrix is lower than the code rate of the first puncturing matrix.
16. The wireless communication system of claim 15, wherein if the decoder of the second communication device successfully decodes the fourth data packet, the transmitting unit of the second communication device transmits an acknowledgement (ACK) packet to the first communication device.
17. The wireless communication system of claim 16, wherein if a number of the ACK packets counted by the counter is greater than a second predetermined number, the encoder of the first communication device encodes the data by the first puncturing matrix.
18. The wireless communication system of claim 12, wherein the decoder of the second communication device decodes the second data packet and the third data packet, respectively, to obtain the data before the combiner combines the second data packet and the third data packet into the fourth data packet.
19. The wireless communication system of claim 18, wherein if the decoder of the second communication device successfully decodes the second data packet or the third data packet, the transmitting unit transmits an ACK packet to the first communication device.
20. The wireless communication system of claim 18, wherein if the decoder of the second communication device decodes the second data packet and the third data packet failed, the transmitting unit transmits a NACK packet to the first communication device.
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 light tunnel of a Digital Light Processing (DLP) projection system comprising:
a plurality of reflection panels provided with a light transmitting space;
a holder having an insertion hole where the reflection panels are placed; and
a plate spring supporting a body of the reflection panels,
wherein the plate spring comprises:
a holder fixing portion connected with an upper end of a side of the insertion hole,
a side plate supporting portion formed at an end of the holder fixing portion, and the side plate supporting portion configured to be fixed to an upper side of the holder to pressurize a side of one of the reflection panels with respect to the holder; and
an upper plate supporting portion formed to be perpendicular to the side plate supporting portion, and the upper plate supporting portion configured to press an upper one of the reflection panels.
2. The light tunnel of a Digital Light Processing (DLP) projection system of claim 1, wherein a contact portion between the reflection panels are bonded to form a bonding portion.
3. The light tunnel of a Digital Light Processing (DLP) projection system of claim 1, wherein a contact portion with the reflection panels is connected with the ends of the reflection panels so that a light is not let out through openings formed at ends of the light tunnel.
4. The light tunnel of a Digital Light Processing (DLP) projection system of claim 1, further comprising a first supporting member formed on an incidence portion of the reflection panels.
5. The light tunnel of a Digital Light Processing (DLP) projection system of claim 1, further comprising a second supporting member which is the plate spring supporting the plurality of reflection panels.
6. The light tunnel of a Digital Light Processing (DLP) projection system of claim 5, wherein the plate spring supports an upper direction and a side of the reflection panels.
7. The light tunnel of a Digital Light Processing (IDLP) projection system of claim 5, wherein the plate spring is fixed to the holder.
8. The light tunnel of a Digital Light Processing (DLP) projection system of claim 1, further comprising a hole drilling portion for preventing a stress from being transmitted, the hole drilling portion formed between the side plate supporting portion and the upper plate supporting portion.
9. A light tunnel of a Digital Light Processing (DLP) projection system comprising:
a plurality of reflection panels connected with each other;
a holder having an insertion hole where the reflection panels are provided;
an incidence portion to receive a light inside of the reflection panels;
an emitting portion to emit the light after being reflected by the reflection panels; and
a plate spring elastically supporting some of the plurality of reflection panels,
wherein the plate spring comprises:
a holder fixing portion connected with an upper end of a side of the insertion hole,
a side plate supporting portion formed at an end of the holder fixing portion, and the side plate supporting portion configured to be fixed to an upper side of the holder to pressurize a side of one of the reflection panels with respect to the holder, and
an upper plate supporting portion formed to be perpendicular to the side plate supporting portion, and the upper plate supporting portion configured to press an upper one of the reflection panels.
10. The light tunnel of claim 9, further comprising a hole drilling portion for preventing a stress from being transmitted, the hole drilling portion formed between the side plate supporting portion and the upper plate supporting portion.
11. The light tunnel of claim 9, wherein at least one of the reflection panels is applied to an inner surface of the holder.