1. A system for regenerative satellite payload communications, the system comprising:
an RF demodulator;
a packet aggregation switching device in communication with the RF demodulator and comprising:
a programmable table used to provide a policy-driven mapping of arriving packet flows to an associated packet processing engine; and
a virtual interface to link-layer terminal ID mapping table in communication with a protection switch circuit to IP router line card mapping table; and
at least one packet processing engine in communication with the RF demodulator, wherein the packet aggregation switching device controls communication between the RF demodulator and the packet processing engine.
2. The system of claim 1, further comprising an RF modulator in communication with the packet processing engine along an egress path.
3. The system of claim 2, wherein the packet aggregation switching device outputs traffic into the egress path.
4. The system of claim 1, further comprising an extraction device in communication with the RF demodulator, wherein the extraction device extracts information relative to traffic received through the RF demodulator.
5. The system of claim 4, wherein the extraction device extracts data from the traffic received through the RF demodulator and wherein the data indicates whether the traffic is packet flow or circuit flow.
6. The system of claim 4, wherein the extraction device further comprises a data link layer frame reassembly.
7. The system of claim 1, further comprising a remote interface in communication with the virtual interface to link-layer terminal ID mapping table and the protection switch circuit to IP router line card mapping table.
8. A method for providing regenerative satellite payload communications, the method comprising the steps of:
receiving a plurality of signals, wherein the plurality of signals comprises signal traffic;
segregating the signal traffic into circuit traffic and packet traffic;
converting packet traffic into bidirectional and symmetric digital packet aggregate flows using a programmable table to provide a policy-driven mapping of arriving packet flows to an associated packet processing engine;
merging the circuit traffic and the bidirectional and symmetric digital packet aggregate flows using a virtual interface to link-layer terminal ID mapping table in communication with a protection switch circuit to IP router line card mapping table to create merged traffic; and
providing downlink packet scheduling for the merged traffic.
9. The method of claim 8, further comprising the step of extracting data from the signal traffic to determine which signal traffic is the circuit traffic and which signal traffic is the packet traffic.
10. The method of claim 8, further comprising the step of dynamically reassignable mapping of link-layer terminal IDs to network layer virtual interface IDs.
11. The method of claim 8, wherein the step of segregating the signal traffic further comprises segregating the signal traffic with a packet aggregation switching device.
12. The method of claim 8, further comprising the step of mapping which of a plurality of packet processing engines is responsible for processing a given per-terminal packet flow.
13. The method of claim 8, wherein the step of merging is performed with the virtual interface to link-layer terminal ID mapping table.
14. A system for regenerative satellite payload communications, the system comprising:
an RF demodulator;
a packet aggregation switching device in communication with the RF demodulator and comprising:
a programmable table used to provide a policy-driven mapping of arriving packet flows to an associated packet processing engine; and
a remote interface in communication with a virtual interface to link-layer terminal ID mapping table and a protection switch circuit to IP router line card mapping table; and
at least one packet processing engine in communication with the RF demodulator, wherein the packet aggregation switching device controls communication between the RF demodulator and the packet processing engine.
15. The system of claim 14, further comprising an RF modulator in communication with the packet processing engine along an egress path.
16. The system of claim 15, wherein the packet aggregation switching device outputs traffic into the egress path.
17. The system of claim 14, further comprising an extraction device in communication with the RF demodulator, wherein the extraction device extracts information relative to traffic received through the RF demodulator.
18. The system of claim 17, wherein the extraction device extracts data from the traffic received through the RF demodulator and wherein the data indicates whether the traffic is packet flow or circuit flow.
19. The system of claim 17, wherein the extraction device further comprises a data link layer frame reassembly.
20. The system of claim 14, wherein the packet aggregation switching device further comprises the virtual interface to link-layer terminal ID mapping table in communication with the protection switch circuit to IP router line card mapping table.
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 turbocharger for a gas operated internal combustion engine, comprising:
a compressor with an impeller and a drive shaft, the impeller having an inlet side and an outlet side; and
an air intake connection arranged on the inlet side of the impeller having a plurality of gas passage openings.
2. The turbocharger according to claim 1, wherein the air intake connection has a tapered diameter including a small diameter region and a large diameter region, wherein the gas passage openings are arranged toward the small diameter region of the air intake connection.
3. The turbocharger according to claim 1, further comprising:
a compressor housing arranged about the impeller and the air intake connection, the housing including an annular supporting wall and an annular outflow housing which together define an annular collecting space, the annular collecting space including an inlet connection for allowing gas into the annular collecting space.
4. The turbocharger according to claim 1, wherein the gas passage openings are uniformly distributed over a circumference of the air intake connection.
5. The turbocharger according to claim 1, wherein the gas passage openings are arranged in the air intake connection in a direction of air flow into the connection.
6. The turbocharger according to claim 1, wherein the gas passage openings are inclined at an angle to an axis of the air intake connection.
7. The turbocharger according to claim 1, further comprising:
a compressor housing arranged about the impeller and the air intake connection; and
a silencer directly connected to the compressor housing.
8. The turbocharger according to claim 1, where in the impeller includes a hub at the inlet side, the turbocharger further comprising:
an insert body arranged in front of the hub of the impeller, in an air flow direction, so as to accelerate the air flow.
9. The turbocharger according to claim 8, wherein the gas passage openings are arranged in a region of the air intake connection proximate of the insert body.