CN1178422C

3G,2G

Title

Method and apparatus for time efficient retransmission using symbol accumulation

Application Number:

CN1998811076

Publication Date:

01-12-2004

Current Assignee:

NOT AVAILABLE

Family ID:

25515421

Application Date:

12-11-1998

Declaring Company:

QUALCOMM INC

Publication Country:

US

Priority Date:

13-11-1997

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Title

Method and apparatus for time efficient retransmission using symbol accumulation

Application Number:

CN1998811076

Family ID:

25515421

Publication Country:

US

Publication Date:

01-12-2004

Application Date:

12-11-1998

Priority Date:

13-11-1997

Current Assignee:

NOT AVAILABLE

Declaring Company:

QUALCOMM INC

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Abstract  Abstract

A method for effectively transmitting data using symbol accumulation and device here with relatively low energy per bit level in the same frame with the new data packet and retransmits the reception error of the packet. the destination device receives the data transmission and transmit the signal as demodulating and converting the received data into new and retransmits the packet and then retransmits the packet of the destination device accumulates energy and the accumulated energy to a reception error of the packet to decode the accumulation. re-transmitting the accumulated improving additional energy provided by the probability of correct decoding by the following. Because retransmits the reception error of the packet and transmitting the new data packet at the same time it can improve rate. Because the reception error of the packet retransmits the energy level below the new energy level of the data packet can make the capacity reaches the maximum.

An efficient retransmission of data using symbol accumulation wherein the packet received in error is retransmitted at a lower energy-per-bit level concurrently in the same frame with the new packet. The destination device receives the data transmission and retransmission demodulate the signal and separates the received data into the new and retransmitted packet. The destination device then accumulates the energy of the retransmitted packet with the energy already accumulated for the packet received in error and decodes the accumulated packet. The accumulation of the additional energy provided by the subsequent retransmissions improves the probability of a correct decoding. The throughput rate can be improved since the packet received in error is retransmitted concurrently with the transmission of the new data packet. The capacity is maximized since the retransmission of the packet received in error is at a lower energy level than that of the new packet.

An efficient retransmission of data using symbol accumulation wherein the packet received in error is retransmitted at a lower energy-per-bit level concurrently in the same frame with the new packet. The destination device receives the data transmission and retransmission demodulate the signal and separates the received data into the new and retransmitted packet. The destination device then accumulates the energy of the retransmitted packet with the energy already accumulated for the packet received in error and decodes the accumulated packet. The accumulation of the additional energy provided by the subsequent retransmissions improves the probability of a correct decoding. The throughput rate can be improved since the packet received in error is retransmitted concurrently with the transmission of the new data packet. The capacity is maximized since the retransmission of the packet received in error is at a lower energy level than that of the new packet.

Note:

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Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.

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