Through the identification of different packet-types, packets can be handled based on an assigned packet handling identifier. This identifier can, for example, enable forwarding of latency-sensitive packets without delay and allow error-sensitive packets to be stored for possible retransmission. In
Through the identification of different packet-types, packets can be handled based on an assigned packet handling identifier. This identifier can, for example, enable forwarding of latency-sensitive packets without delay and allow error-sensitive packets to be stored for possible retransmission. In another embodiment, and optionally in conjunction with retransmission protocols including a packet handling identifier, a memory used for retransmission of packets can be shared with other transceiver functionality such as, coding, decoding, interleaving, deinterleaving, error correction, and the like.
대표청구항▼
1. A method of packet retransmission, in a transceiver, comprising: transmitting, by the transceiver, a first type of packet; andtransmitting, by the transceiver, a second type of packet,wherein the first type of packet is stored in a retransmission buffer after transmission and the second type of p
1. A method of packet retransmission, in a transceiver, comprising: transmitting, by the transceiver, a first type of packet; andtransmitting, by the transceiver, a second type of packet,wherein the first type of packet is stored in a retransmission buffer after transmission and the second type of packet is not stored in a retransmission buffer after transmission,wherein the first and second types of packet comprise a header field that indicates whether a transmitted packet is a first type of packet or a second type of packet, andwherein the header field of the first type of packet comprises a sequence identifier (SID) that is incremented after the first type of packet is transmitted and the header field of the second type of packet does not comprise the SID of the first type of packet. 2. The method of claim 1, wherein the transceiver is connected to a second transceiver using a wired or wireless channel and the transceivers are used to transport one or more of video and voice data. 3. The method of claim 1, wherein the method is performed in a linecard that is operable to transport video. 4. The method of claim 1, wherein the method is performed in a customer premises modem that is operable to transport video. 5. The method of claim 1, wherein the transceiver includes at least one digital signal processor. 6. The method of claim 1, wherein the transceiver includes at least one A SIC (Application Specific Integrated Circuit). 7. The method of claim 1, wherein the first type of packet comprises one or more PTM-TC (Packet Transfer Mode-Transmission Convergence) codewords. 8. The method of claim 1, wherein the first type of packet comprises one or more ATM (Asynchronous Transfer Mode) cells. 9. The method of claim 1, wherein the first type of packet comprises one or more Reed Solomon codewords. 10. The method of claim 1, wherein the first type of packet is a low-PER (Packet Error Rate) packet and the second type of packet is a low-latency packet. 11. A transceiver operable to transmit a first type of packet and to transmit a second type of packet, wherein the first type of packet is stored in a retransmission buffer after transmission and the second type of packet is not stored in a retransmission buffer after transmission, and wherein the first and second types of packet comprise a header field that indicates whether a transmitted packet is a first type of packet or a second type of packet, and wherein the header field of the first type of packet comprises a sequence identifier (SID) that is incremented after the first type of packet is transmitted and the header field of the second type of packet does not comprise the SID of the first type of packet. 12. The transceiver of claim 11, wherein the transceiver is connected to a second transceiver using a wired or wireless channel and the transceivers are used to transport one or more of video and voice data. 13. The transceiver of claim 11, wherein the transceiver is located in a linecard that is operable to transport video. 14. The transceiver of claim 11, wherein the transceiver is located in a customer premises modem that is operable to transport video. 15. The transceiver of claim 11, wherein the transceiver includes at least one digital signal processor. 16. The transceiver of claim 11, wherein the transceiver includes at least one ASIC (Application Specific Integrated Circuit). 17. The transceiver of claim 11, wherein the first type of packet comprises one or more PTM-TC (Packet Transfer Mode-Transmission Convergence) codewords. 18. The transceiver of claim 11, wherein the first type of packet comprises one or more ATM (Asynchronous Transfer Mode) cells. 19. The transceiver of claim 11, wherein the first type of packet comprises one or more Reed Solomon codewords. 20. The transceiver of claim 11, wherein the first type of packet is a low-PER (Packet Error Rate) packet and the second type of packet is a low-latency packet.
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