1. A wireless communication system comprising:
a location determining node comprising:
a network interface configured to transmit a request, to an evolved Node B (eNB), to order a user equipment (UE) to transmit sounding reference signals (SRS);
the eNB comprising:
a network interface configured to receive the request from the location determining node;
a processor configured to generate an up link (UL) SRS resource allocation for the UE; and
a transmitter configured to transmit an indication of the UL SRS resource allocation to the UE;
at least three location measurement units (LMUs), each LMU comprising:
a receiver configured to receive, from the UE, an UL SRS;
a processor configured to generate locating information based on the received UL SRS; and
a network interface configured to transmit the locating information to the location determining node,
wherein the location determining node further comprises a processor configured to determine a position of the UE based at least on the locating information generated by each of the at least three LMUs.
2. The wireless communication system of claim 1, wherein one of the at least three LMUs is located with the eNB.
3. The wireless communication system of claim 1, wherein the network interface of the eNB is further configured to transmit information associated with the UL SRS resource allocation to the location determining node.
4. The wireless communication system of claim 3, wherein the network interface of the location determining node is further configured to transmit the information associated with the UL SRS resource allocation to the at least three LMUs.
5. The wireless communication system of claim 4, wherein the processor of the location determining node is further configured to select the at least three LMUs based on a location associated with the at least three LMUs.
6. The wireless communication system of claim 3, wherein the information associated with the UL SRS resource allocation includes at least one of time resource information, frequency resource information, cyclic shift information, cell identity information, hopping information, or sequence-shift information.
7. The wireless communication system of claim 1, wherein the UL SRS resource allocation is an allocation for periodic transmission of UL SRS.
8. The wireless communication system of claim 1, wherein the processor of at least one of the three LMUs is configured to generate the locating information using uplink time difference of arrival (ULTDOA) based on the received UL SRS from the UE.
9. The wireless communication system of claim 1, wherein the network interface of each LMU is further configured to transmit information associated with a location of a respective LMU, and wherein the processor of the location determining node is further configured to determine a position of the UE based on the location of the respective LMU.
10. A method for use in a wireless communication system, the method comprising:
a location determining node transmitting a request, to an evolved Node B (eNB), to order a user equipment (UE) to transmit sounding reference signals (SRS);
the eNB receiving the request from the location determining node;
the eNB generating an up link (UL) SRS resource allocation for the UE; and
the eNB transmitting an indication of the UL SRS resource allocation to the UE;
each of at least three location measurement units (LMUs) receiving, from the UE, an UL SRS;
each of the at least three LMUs generating locating information based on the received UL SRS;
each of the at least three LMUs transmitting the locating information to the location determining node; and
the location determining node determining a position of the UE based at least on the locating information generated by each of the at least three LMUs.
11. The method of claim 10, wherein one of the at least three LMUs is located with the eNB.
12. The method of claim 10, further comprising:
the eNB transmitting information associated with the UL SRS resource allocation to the location determining node.
13. The method of claim 12, further comprising:
the location determining node transmitting the information associated with the UL SRS resource allocation to the at least three LMUs.
14. The method of claim 13, further comprising:
the location determining node selecting the at least three LMUs based on a location associated with the at least three LMUs.
15. The method of claim 12, wherein the information associated with the UL SRS resource allocation includes at least one of time resource information, frequency resource information, cyclic shift information, cell identity information, hopping information, or sequence-shift information.
16. The method of claim 10, wherein the UL SRS resource allocation is an allocation for periodic transmission of UL SRS.
17. The method of claim 10, further comprising:
at least one of the three LMUs is generating the locating information using uplink time difference of arrival (ULTDOA) based on the received UL SRS from the UE.
18. The method of claim 10, wherein the network interface of each LMU is further configured to transmit information associated with a location of a respective LMU, and wherein the processor of the location determining node is further configured to determine a position of the UE based on the location of the respective LMU.
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. An information handling system comprising:
a chassis having walls defining an interior cavity within the chassis and a bottom wall defining a backplane on which one or more processors are physically connected;
at least one first storage device connected to the chassis and communicatively coupled to the processor from another location within the chassis;
a supplemental storage tray having perimeter plates defining a bay within the supplemental storage tray for receiving a supplemental storage device that is communicatively coupled to the processor and provides additional storage capacity to the information handling system, the supplemental storage tray being physically located above the processor and in a different location from the first storage device.
2. The information handling system of claim 1, wherein the chassis further comprises:
a first side wall and a second side wall connected to the bottom wall, the bottom wall, the first side wall and the second side wall defining the interior cavity; and
a cover mounted to the first and second side walls.
3. The information handling system of claim 1, wherein the supplemental storage tray further comprises:
a first side plate and a second side plate connected to a bottom plate;
a front plate and a rear plate connected to the bottom plate;
the bottom plate, the first side plate, the second side plate, the front plate and the rear plate defining the bay; and
4. The information handling system of claim 1, wherein the supplemental storage tray further comprises:
at least one rail extending from at least one side plate, the rail extending over a wall of the chassis such that the supplemental storage tray is suspended from the wall.
5. The information handling system of claim 1, wherein the supplemental storage tray further comprises:
at least one retention mechanism connected to the supplemental storage tray, the retention mechanism configured to selectively hold and release the supplemental storage device, wherein the at least one retention mechanism is formed in the bottom plate.
6. The information handling system of claim 5, further comprising:
the supplemental storage device, wherein the supplemental storage device comprises a carrier affixed to the supplemental storage device, the carrier engaged with the retention mechanism such that the carrier is retained to the bottom plate.
7. The information handling system of claim 6, wherein the retention mechanism further comprises:
a bracket affixed to the supplemental storage tray;
a handle connected to the bracket; and
a lock mounted to the handle, the lock retaining the handle in a closed position.
8. The information handling system of claim 1, wherein the supplemental storage tray further comprises:
a printed circuit board connected to a rear plate of the supplemental storage tray;
at least one connector affixed to the printed circuit board; and
a cable connected between the printed circuit board and the backplane.
9. The information handling system of claim 1, further comprising:
at least one airflow movement device coupled to the chassis for moving air across the processor and the at least one first storage device.
10. The information handling system of claim 9, wherein a gap is formed between a bottom surface of the supplemental storage tray and a top of the one or more processors, wherein air generated by the air flow movement device is directed to flow through the gap.
11. A supplemental storage tray for use with an information handling system, the information handling system having at least one first storage device connected to a chassis and communicatively coupled to a processor, the supplemental storage tray comprising:
a plurality of perimeter plates defining a bay within the supplemental storage tray, the supplemental storage tray connected to a chassis of the information handling system in a position that is physically above the processor and separate from the at least one first storage device; and
at least one supplemental storage device disposed in the bay and communicatively coupled to the processor, the at least one supplemental storage device providing additional storage capacity to the information handling system
12. The supplemental storage tray of claim 11, further comprising:
a first and a second side plate connected to a bottom plate;
a front plate and a rear plate connected to the bottom plate;
the bottom plate, the first side plate, the second side plate, the front plate and the rear plate defining the bay; and
at least one retention feature formed in the bottom plate.
13. The supplemental storage tray of claim 11, further comprising:
at least one rail extending from at least one side plate of the supplemental storage tray, the rail extending over the chassis such that the supplemental storage tray is suspended from the chassis.
14. The supplemental storage tray of claim 11, further comprising:
a retention mechanism connected to the supplemental storage tray, the retention mechanism configured to selectively hold and release the supplemental storage device, wherein the retention mechanism further comprises:
a bracket affixed to the supplemental storage tray;
a handle connected to the bracket; and
a lock mounted to the handle, the lock retaining the handle in a closed position.
15. The supplemental storage tray of claim 14, wherein the supplemental storage device further comprises:
a carrier affixed to the supplemental storage device, the carrier engaged with the retention mechanism such that the carrier is retained to the bottom plate.
16. The supplemental storage tray of claim 13, wherein the chassis further comprises:
at least one airflow movement device coupled to the chassis for moving air across the processor and the at least one first storage device; and
a gap formed between a bottom surface of the supplemental storage tray and a top of the processor, wherein air generated by the air flow movement device is directed to flow through the gap.
17. A method for increasing storage within an electronic enclosure having at least one first storage device, the method comprising:
mounting a supplemental storage tray into a non-essential area within a cavity above a processor within an information handling system chassis, such that the supplemental storage tray is suspended above the processor and other functional components affixed to a backplane, the supplemental storage tray having perimeter plates defining a bay; and
securing at least one supplemental storage device in the bay using a retention mechanism attached to the supplemental storage tray, and communicatively coupling the at least one supplemental storage device with the processor to provide additional storage capacity within the electronic enclosure beyond a storage capacity of the at least one first storage device.
18. The method of claim 17, further comprising:
forming the supplemental storage tray with a bottom plate, a first side plate, a second side plate, a front plate and a rear plate; and
attaching the retention mechanism to the supplemental storage tray, the retention mechanism configured to selectively hold and release the supplemental storage device via a carrier affixed to the supplemental storage device that engages with the retention feature.
19. The method of claim 18, further comprising:
forming at least one rail that extends from at least one side plate;
positioning the rails relative to the chassis such that the supplemental storage tray is suspended from the chassis.
20. The method of claim 18, further comprising:
affixing a bracket to the supplemental storage tray;
connecting a handle to the bracket; and
mounting a lock to the handle, the lock retaining the handle in a closed position.