Abstract:
The present invention relate to a packet processing method, an access device, and a communication system. The method includes: receiving, by an access device, a multicast packet from a network side via a first network port of the access device; identifying, by the access device, a protocol type of the multicast packet; if identifying that the multicast packet is a virtual router redundancy protocol packet, sending the virtual router redundancy protocol packet via a second network port of the access device to the network side according to a snooping port list used for forwarding the virtual router redundancy protocol packet; and if identifying that the multicast packet is a non-virtual router redundancy protocol packet, sending the non-virtual router redundancy protocol packet via a user port of the access device to a user side.
Abstract:
The present invention relate to a packet processing method, an access device, and a communication system. The method includes: receiving, by an access device, a multicast packet from a network side via a first network port of the access device; identifying, by the access device, a protocol type of the multicast packet; if identifying that the multicast packet is a virtual router redundancy protocol packet, sending the virtual router redundancy protocol packet via a second network port of the access device to the network side according to a snooping port list used for forwarding the virtual router redundancy protocol packet; and if identifying that the multicast packet is a non-virtual router redundancy protocol packet, sending the non-virtual router redundancy protocol packet via a user port of the access device to a user side.
Abstract:
In receiving a radio block comprising a plurality of bursts, burst data is saved prior to demodulating each burst using an independent preliminary modulation technique decision. When a global modulation technique decision over the radio burst is formulated, if the preliminary modulation technique decision for one or more bursts disagrees, data associated with that burst may be retrieved and demodulated using the global modulation technique decision. In one embodiment, the mismatching burst is erased and decoding over the block is attempted, with the second demodulation being performed only if a decoding metric indicates decode errors. In another embodiment, each mismatching block is re-demodulated as soon as a global modulation technique decision is formulated and a mismatch to the preliminary modulation technique decision is detected. In both embodiments, an increase in the number of soft bits improves decoder performance.
Abstract:
A method for making correspondence between an MPID (Maintenance Point Identifier) and a MAC (Media Access Control) address, including: each MP (Maintenance Point) on the network is allocated a unique MPID at first; to obtain the MAC address of a destination MP, a MEP (Maintenance End Point) sends a broadcast query message to all the MPs on the network with the MPID of the destination MP; after receiving the broadcast query message, each MP determines whether the MPID in the message is the same as its MPID; if they are same, returns a unicast response message which includes the MPID and the MAC address; otherwise, no operation is performed; the MEP obtains the MAC address of the destination MP from the received unicast response message. The invention overcomes the problem of the prior art that an MEP cannot know the MAC address of a destination MP. By the present invention, various functions of the OAM can be accomplished and the uniqueness of the MPID and the MAC address of an MP on the network may also be ensured.
Abstract:
A method for making correspondence between an MPID and a MAC address, including: each MP on the network is allocated a unique MPID at first; to obtain the MAC address of a destination MP, a MEP sends a broadcast query message to all the MPs on the network with the MPID of the destination MP; after receiving the broadcast query message, each MP determines whether the MPID in the message is the same as its MPID; if they are same, returns a unicast response message which includes the MPID and the MAC address; otherwise, no operation is performed; the MEP obtains the MAC address of the destination MP from the received unicast response message. The invention overcomes the problem of the prior art that an MEP cannot know the MAC address of a destination MP. By the present invention, various functions of the OAM can be accomplished and the uniqueness of the MPID and the MAC address of an MP on the network may also be ensured.
Abstract:
According to one aspect, the subject matter described herein includes a method for dynamically controlling a Turbo decoding process in a long term evolution (LTE) multi-user equipment (UE) traffic simulator. The method includes steps occurring in an LTE traffic simulator configured to simulate plural UE devices. The steps include receiving, from an evolved NodeB under test, a plurality of transport blocks. The steps also include dynamically determining a maximum number of Turbo decoding iterations for each of the transport blocks. The steps further include Turbo decoding each of the transport blocks for no more than its determined maximum number of Turbo decoding iterations.
Abstract:
According to one aspect, the subject matter described herein includes a method for dynamically controlling a Turbo decoding process in a long term evolution (LTE) multi-user equipment (UE) traffic simulator. The method includes steps occurring in an LTE traffic simulator configured to simulate plural UE devices. The steps include receiving, from an evolved NodeB under test, a plurality of transport blocks. The steps also include dynamically determining a maximum number of Turbo decoding iterations for each of the transport blocks. The steps further include Turbo decoding each of the transport blocks for no more than its determined maximum number of Turbo decoding iterations.
Abstract:
In receiving a radio block comprising a plurality of bursts, burst data is saved prior to demodulating each burst using an independent preliminary modulation technique decision. When a global modulation technique decision over the radio burst is formulated, if the preliminary modulation technique decision for one or more bursts disagrees, data associated with that burst may be retrieved and demodulated using the global modulation technique decision. In one embodiment, the mismatching burst is erased and decoding over the block is attempted, with the second demodulation being performed only if a decoding metric indicates decode errors. In another embodiment, each mismatching block is re-demodulated as soon as a global modulation technique decision is formulated and a mismatch to the preliminary modulation technique decision is detected. In both embodiments, an increase in the number of soft bits improves decoder performance.